{"title":"Engine Parts","description":null,"products":[{"product_id":"pai-631265-dd15-head-gasket-a4720161820","title":"PAI 631265 DD15 Head Gasket | Replaces OEM A4720161820","description":"\u003ch2\u003ePAI 631265 Cylinder Head Gasket for Detroit Diesel DD15 | Replaces OEM A4720161820\u003c\/h2\u003e\n\u003cp\u003eThe PAI Industries 631265 Cylinder Head Gasket is a premium heavy-duty replacement designed for Detroit Diesel DD15 engines. Manufactured to meet or exceed OEM specifications, this head gasket provides a reliable combustion seal while preventing coolant and engine oil leaks under the extreme temperatures and cylinder pressures found in today's heavy-duty diesel engines.\u003c\/p\u003e\n\u003cp\u003eBuilt with high-quality multi-layer steel (MLS) construction, the PAI 631265 is engineered for long-lasting durability and dependable sealing performance in both stock and rebuilt engines. Whether you're performing an in-frame overhaul or replacing a failed head gasket, this premium aftermarket gasket delivers the reliability professional diesel technicians demand.\u003c\/p\u003e\n\u003cp\u003eTrusted by fleets, owner-operators, engine rebuilders, and diesel repair facilities throughout North America, PAI Industries is recognized for producing premium heavy-duty replacement parts backed by exceptional quality and fitment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium aftermarket cylinder head gasket\u003c\/li\u003e\n\u003cli\u003ePrecision engineered for Detroit Diesel DD15 engines\u003c\/li\u003e\n\u003cli\u003eHeavy-duty multi-layer steel (MLS) construction\u003c\/li\u003e\n\u003cli\u003eExcellent combustion sealing performance\u003c\/li\u003e\n\u003cli\u003eHelps prevent coolant, oil, and compression leaks\u003c\/li\u003e\n\u003cli\u003eManufactured to meet or exceed OEM specifications\u003c\/li\u003e\n\u003cli\u003eIdeal for in-frame and complete engine rebuilds\u003c\/li\u003e\n\u003cli\u003eOEM-quality fit and sealing performance\u003c\/li\u003e\n\u003cli\u003eBacked by PAI Industries quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PAI Industries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 631265\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Reference:\u003c\/strong\u003e A4720161820\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Cylinder Head Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Multi-Layer Steel (MLS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Detroit Diesel DD15 Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New Premium Aftermarket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDetroit Diesel DD15 Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eWestern Star 4700\u003c\/li\u003e\n\u003cli\u003eWestern Star 4900\u003c\/li\u003e\n\u003cli\u003eWestern Star 5700XE\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty On-Highway Trucks\u003c\/li\u003e\n\u003cli\u003eCommercial Fleet Vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDetroit Diesel A4720161820\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4720161520\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4720162220\u003c\/li\u003e\n\u003cli\u003ePAI 631265E\u003c\/li\u003e\n\u003cli\u003ePAI 631375 (Head Gasket Set)\u003c\/li\u003e\n\u003cli\u003eInterstate-McBee A-A4720161820\u003c\/li\u003e\n\u003cli\u003eInterstate-McBee A-A4720161520\u003c\/li\u003e\n\u003cli\u003eInterstate-McBee A-A4720162220\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Replace Your Head Gasket?\u003c\/h3\u003e\n\u003cp\u003eA damaged cylinder head gasket can lead to compression loss, coolant contamination, overheating, excessive exhaust pressure, coolant consumption, and catastrophic engine damage if left unrepaired. Replacing the head gasket with a premium-quality component helps restore proper engine sealing and reliability while protecting your investment.\u003c\/p\u003e\n\u003cp\u003eWhenever replacing a DD15 head gasket, inspect the cylinder head for flatness, check the engine block deck surface, replace torque-to-yield head bolts if required, and follow Detroit Diesel torque specifications and tightening procedures for proper installation.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #f8f8f8; padding: 25px; border-left: 4px solid #ff6a00; margin: 25px 0;\"\u003e\n\u003ch3\u003e🔥Complete Your DD15 Engine Rebuild\u003c\/h3\u003e\n\u003cp\u003eReplacing a head gasket is the perfect time to inspect or replace related engine components. Completing the repair with new seals, head bolts, thermostats, water pump, filters, and coolant can reduce future downtime and improve long-term reliability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Premium MLS Construction\u003c\/li\u003e\n\u003cli\u003e✔ OEM Fit \u0026amp; Performance\u003c\/li\u003e\n\u003cli\u003e✔ Designed for Detroit DD15 Engines\u003c\/li\u003e\n\u003cli\u003e✔ Ideal for In-Frame Overhauls\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Commercial Applications\u003c\/li\u003e\n\u003cli\u003e✔ Trusted by Professional Diesel Technicians\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #fff7ef; padding: 20px; border: 1px solid #ffb366; border-radius: 8px; margin-top: 20px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✔ DD15 Head Bolt Kit\u003c\/li\u003e\n\u003cli\u003e✔ Complete DD15 Head Gasket Set\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Water Pump\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P551005 Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Coolant \u0026amp; Service Kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your repair with new head bolts, cooling system components, and preventive maintenance parts to maximize engine reliability and reduce repeat labor.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PAI Industries","offers":[{"title":"Default Title","offer_id":67011693609005,"sku":null,"price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/631265_01_LG.jpg?v=1783703597"},{"product_id":"pai-641213-dd15-oil-pump-a4721803101","title":"PAI 641213 DD15 Oil Pump | Replaces OEM A4721803101","description":"\u003ch2\u003ePAI 641213 Oil Pump Assembly for Detroit Diesel DD15 | Replaces OEM A4721803101\u003c\/h2\u003e\n\u003cp\u003eThe PAI Industries 641213 Oil Pump Assembly is a premium heavy-duty replacement designed for Detroit Diesel DD15 engines. Engineered to meet or exceed OEM specifications, this high-quality lube pump delivers consistent oil pressure to protect critical engine components including crankshaft bearings, camshafts, pistons, rocker assemblies, and turbochargers.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength aluminum with precision-machined internal gears, the PAI 641213 is designed to provide dependable oil flow under the demanding conditions of commercial trucking. Whether you're performing an in-frame overhaul, replacing a failed oil pump, or completing a preventive engine rebuild, this premium aftermarket assembly delivers OEM-quality fit, performance, and reliability.\u003c\/p\u003e\n\u003cp\u003eTrusted by diesel repair facilities, owner-operators, fleets, and engine rebuilders across North America, PAI Industries is recognized for producing premium heavy-duty replacement parts that help maximize engine life while reducing downtime.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium heavy-duty oil pump assembly\u003c\/li\u003e\n\u003cli\u003ePrecision engineered for Detroit Diesel DD15 engines\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM A4721803101\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum housing\u003c\/li\u003e\n\u003cli\u003ePrecision-machined 53-tooth gear design\u003c\/li\u003e\n\u003cli\u003eMaintains proper engine oil pressure\u003c\/li\u003e\n\u003cli\u003eOEM-quality fit and performance\u003c\/li\u003e\n\u003cli\u003eDesigned for commercial truck applications\u003c\/li\u003e\n\u003cli\u003eIdeal for engine rebuilds and preventative maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PAI Industries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 641213\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Reference:\u003c\/strong\u003e A4721803101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Oil Pump Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Count:\u003c\/strong\u003e 53 Teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Detroit Diesel DD15 Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New Premium Aftermarket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDetroit Diesel DD15 Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eWestern Star 4700\u003c\/li\u003e\n\u003cli\u003eWestern Star 4900\u003c\/li\u003e\n\u003cli\u003eWestern Star 5700XE\u003c\/li\u003e\n\u003cli\u003eFreightliner 122SD\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Commercial Trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDetroit Diesel A4721803101\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721801301\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721801501\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721801701\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721802501\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721802901\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721803301\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721803901\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721805601\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721806401\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721806601\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel A4721807201\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel EA4721803901\u003c\/li\u003e\n\u003cli\u003eDetroit Diesel RA4721803101\u003c\/li\u003e\n\u003cli\u003eAlliant Power AP63305\u003c\/li\u003e\n\u003cli\u003ePAI 641213\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Replace Your Oil Pump?\u003c\/h3\u003e\n\u003cp\u003eThe engine oil pump is responsible for supplying pressurized oil to every critical moving component inside your engine. Low oil pressure caused by a worn or damaged pump can quickly lead to bearing failure, turbocharger damage, camshaft wear, overheating, and catastrophic engine failure.\u003c\/p\u003e\n\u003cp\u003eReplacing a worn oil pump during an engine overhaul helps restore proper lubrication, maintain factory oil pressure, and protect your investment for hundreds of thousands of miles.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eRecommended During Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInspect the oil pickup tube and screen\u003c\/li\u003e\n\u003cli\u003eReplace worn or damaged oil pump seals and O-rings\u003c\/li\u003e\n\u003cli\u003ePrime the lubrication system before initial startup\u003c\/li\u003e\n\u003cli\u003eReplace the engine oil and oil filter\u003c\/li\u003e\n\u003cli\u003eVerify oil pressure after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #f8f8f8; padding: 25px; border-left: 4px solid #ff6a00; margin: 25px 0;\"\u003e\n\u003ch3\u003e🔥Protect Your Engine Investment\u003c\/h3\u003e\n\u003cp\u003eA failed oil pump can cause catastrophic engine damage in minutes. Installing a premium PAI oil pump during your rebuild helps ensure proper lubrication, stable oil pressure, and maximum protection for your DD15 engine. Pair your repair with premium filters and fresh engine oil for the best long-term reliability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Direct OEM Replacement\u003c\/li\u003e\n\u003cli\u003e✔ Precision 53-Tooth Gear Design\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Aluminum Housing\u003c\/li\u003e\n\u003cli\u003e✔ OEM Fit \u0026amp; Performance\u003c\/li\u003e\n\u003cli\u003e✔ Built for Commercial Diesel Engines\u003c\/li\u003e\n\u003cli\u003e✔ Trusted by Professional Engine Rebuilders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #fff7ef; padding: 20px; border: 1px solid #ffb366; border-radius: 8px; margin-top: 20px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✔ PAI DD15 Water Pump\u003c\/li\u003e\n\u003cli\u003e✔ PAI DD15 Head Gasket\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Head Bolt Kit\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P551005 Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Premium 15W-40 CK-4 Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ Complete DD15 Overhaul Gasket Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your DD15 engine rebuild with premium lubrication, cooling system, and sealing components to maximize engine reliability and reduce repeat repairs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PAI Industries","offers":[{"title":"Default Title","offer_id":67011770482733,"sku":null,"price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/641213_01_LG.jpg?v=1783705605"},{"product_id":"pai-dd15-engine-rebuild-kit","title":"PAI DD15 Engine Rebuild Kit | Premium Overhaul Kit","description":"\u003ch2\u003ePAI DD15 Engine Rebuild Kit | Complete Premium Overhaul Kit for Detroit Diesel DD15 Engines\u003c\/h2\u003e\n\n\u003cp\u003e\nRestore the performance, reliability, and longevity of your Detroit Diesel DD15 engine with the \u003cstrong\u003ePAI DD15 Engine Rebuild Kit\u003c\/strong\u003e. Designed for professional engine rebuilders, fleets, owner-operators, and diesel repair facilities, this premium overhaul kit contains the essential components needed to perform a complete in-frame or major engine rebuild.\n\u003c\/p\u003e\n\n\u003cp\u003e\nManufactured to meet or exceed OEM specifications, PAI Industries has earned a reputation for producing premium heavy-duty diesel replacement parts trusted throughout North America. Whether you're repairing excessive oil consumption, low compression, coolant leaks, or high-mileage engine wear, this rebuild kit provides dependable performance you can count on.\n\u003c\/p\u003e\n\n\u003cdiv style=\"background:#fff3cd;border:1px solid #f0c36d;padding:18px;border-radius:8px;margin:25px 0;\"\u003e\n\u003ch3\u003e⚠️ VIN or Engine Serial Number Required\u003c\/h3\u003e\n\n\u003cp\u003e\nDetroit Diesel DD15 engines were manufactured with numerous internal design changes throughout production. \u003cstrong\u003ePlease provide your VIN or engine serial number before ordering\u003c\/strong\u003e so our parts specialists can verify the correct rebuild kit for your engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis helps eliminate ordering errors and ensures you receive the correct pistons, liners, bearings, gaskets, and related components for your specific engine configuration.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTypical Kit Contents\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePremium Cylinder Liners\u003c\/li\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003ePiston Rings\u003c\/li\u003e\n\u003cli\u003ePiston Pins\u003c\/li\u003e\n\u003cli\u003eRod Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bearings\u003c\/li\u003e\n\u003cli\u003eThrust Washers\u003c\/li\u003e\n\u003cli\u003eComplete Upper \u0026amp; Lower Gasket Set\u003c\/li\u003e\n\u003cli\u003eFront \u0026amp; Rear Crankshaft Seals\u003c\/li\u003e\n\u003cli\u003eConnecting Rod Bushings\u003c\/li\u003e\n\u003cli\u003eCylinder Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRequired O-Rings \u0026amp; Seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eKit contents may vary depending on engine serial number and OEM configuration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDetroit Diesel DD15 Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eWestern Star 4700\u003c\/li\u003e\n\u003cli\u003eWestern Star 4900\u003c\/li\u003e\n\u003cli\u003eWestern Star 5700XE\u003c\/li\u003e\n\u003cli\u003eFreightliner 122SD\u003c\/li\u003e\n\u003cli\u003eCommercial Highway Trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose a PAI Rebuild Kit?\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePremium aftermarket quality\u003c\/li\u003e\n\u003cli\u003eEngineered to meet or exceed OEM specifications\u003c\/li\u003e\n\u003cli\u003eTrusted by diesel engine rebuilders\u003c\/li\u003e\n\u003cli\u003ePrecision-machined components\u003c\/li\u003e\n\u003cli\u003eExcellent durability and service life\u003c\/li\u003e\n\u003cli\u003eDesigned for professional heavy-duty engine repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔥 Complete Your Engine Rebuild\u003c\/h3\u003e\n\n\u003cp\u003e\nFor the best long-term reliability, we recommend replacing wear items while your engine is apart. Completing the entire repair now can reduce future labor costs, improve engine performance, and help prevent unexpected downtime.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ New Oil Pump\u003c\/li\u003e\n\u003cli\u003e✔ Water Pump Assembly\u003c\/li\u003e\n\u003cli\u003e✔ Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e✔ Injector Seal Kit\u003c\/li\u003e\n\u003cli\u003e✔ Turbocharger Inspection or Replacement\u003c\/li\u003e\n\u003cli\u003e✔ Oil Cooler \u0026amp; Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Coolant Filter\u003c\/li\u003e\n\u003cli\u003e✔ Premium CK-4 15W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ Coolant \u0026amp; Cooling System Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ PAI DD15 Oil Pump\u003c\/li\u003e\n\u003cli\u003e✔ PAI DD15 Water Pump\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Head Bolt Kit\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P551005 Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Fuel Filter Service Kit\u003c\/li\u003e\n\u003cli\u003e✔ Detroit Diesel Approved Coolant\u003c\/li\u003e\n\u003cli\u003e✔ Premium 15W-40 CK-4 Engine Oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eComplete your overhaul with premium maintenance components to maximize engine life and reduce downtime.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PAI Industries","offers":[{"title":"Default Title","offer_id":67052514639917,"sku":null,"price":3999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/P271350-new-engine-rebuild-kit-detroit-diesel-DD1501145-01.jpg?v=1784354236"},{"product_id":"pdi-dd15-head-gasket-set-a4720162120","title":"PDI DD15 Head Gasket Set | A4720162120","description":"\u003ch2\u003ePDI Detroit DD15 Head Gasket Set | OEM Replacement A4720162120\u003c\/h2\u003e\n\n\u003cp\u003e\nRestore sealing integrity and reliability to your Detroit Diesel DD15 engine with the \u003cstrong\u003ePDI DD15 Head Gasket Set A4720162120\u003c\/strong\u003e. Designed for professional engine repairs, cylinder head replacement, and DD15 overhaul applications, this premium gasket set is engineered to provide proper combustion sealing, coolant containment, and oil passage protection under the extreme pressures and temperatures found in modern heavy-duty diesel engines.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhen servicing a DD15 engine, proper gasket performance is critical. PDI gasket sets are manufactured to meet or exceed OEM specifications, providing accurate fitment, consistent clamp load, and dependable long-term durability for commercial trucking applications. citeturn0search0\n\u003c\/p\u003e\n\n\u003cdiv style=\"background:#fff3cd;border:1px solid #f0c36d;padding:18px;border-radius:8px;margin:25px 0;\"\u003e\n\u003ch3\u003e⚠️ VIN or Engine Serial Number Required\u003c\/h3\u003e\n\n\u003cp\u003e\nDetroit Diesel DD15 engines have multiple production updates and gasket configurations throughout different model years. \u003cstrong\u003ePlease provide your VIN or engine serial number before ordering\u003c\/strong\u003e so our parts specialists can verify the correct application.\n\u003c\/p\u003e\n\n\u003cp\u003e\nConfirming fitment before purchase helps prevent incorrect orders and ensures you receive the correct gasket set for your specific DD15 engine configuration.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePremium PDI replacement head gasket set\u003c\/li\u003e\n\u003cli\u003eDesigned for Detroit Diesel DD15 engines\u003c\/li\u003e\n\u003cli\u003eOEM replacement reference: A4720162120\u003c\/li\u003e\n\u003cli\u003eProvides combustion, coolant, and oil sealing\u003c\/li\u003e\n\u003cli\u003ePrecision fit for proper cylinder head installation\u003c\/li\u003e\n\u003cli\u003eDesigned for engine repair and overhaul applications\u003c\/li\u003e\n\u003cli\u003eHelps restore engine reliability after head service\u003c\/li\u003e\n\u003cli\u003eBuilt for demanding Class 8 trucking applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKit Contents\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDD15 Cylinder Head Gasket\u003c\/li\u003e\n\u003cli\u003eInjector Seal Components\u003c\/li\u003e\n\u003cli\u003eCamshaft Housing Gasket\u003c\/li\u003e\n\u003cli\u003eCoolant Tube Seals\u003c\/li\u003e\n\u003cli\u003eRequired Upper Engine Gaskets\u003c\/li\u003e\n\u003cli\u003eAdditional sealing components required for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cem\u003eKit contents may vary depending on engine serial number and production configuration. Verify application before ordering.\u003c\/em\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PDI Diesel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e DD15 Head Gasket Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A4720162120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePDI SKU:\u003c\/strong\u003e 111071462120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Detroit Diesel DD15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Heavy Duty Diesel Engine Repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDetroit Diesel DD15 Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eFreightliner 122SD\u003c\/li\u003e\n\u003cli\u003eWestern Star 4700\u003c\/li\u003e\n\u003cli\u003eWestern Star 4900\u003c\/li\u003e\n\u003cli\u003eWestern Star 5700XE\u003c\/li\u003e\n\u003cli\u003eClass 8 Highway Trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Reasons For Replacement\u003c\/h3\u003e\n\n\u003cp\u003e\nA failed cylinder head gasket can cause coolant loss, combustion pressure entering the cooling system, coolant contamination in engine oil, overheating, and reduced engine performance. Replacing the gasket with a quality engineered set helps restore proper sealing between the cylinder head and engine block.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose PDI?\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eTrusted heavy-duty diesel performance manufacturer\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for commercial diesel applications\u003c\/li\u003e\n\u003cli\u003ePremium aftermarket alternative to OEM components\u003c\/li\u003e\n\u003cli\u003eEngineered for durability and long service life\u003c\/li\u003e\n\u003cli\u003eBacked by PDI technical support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔥 Complete Your DD15 Repair\u003c\/h3\u003e\n\n\u003cp\u003e\nWhen replacing a DD15 head gasket, many technicians choose to inspect and replace related wear components while the engine is already disassembled. Completing these repairs together can reduce future labor costs and help maximize engine reliability.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ DD15 Head Bolt Set\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Oil Pump\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Water Pump\u003c\/li\u003e\n\u003cli\u003e✔ Turbocharger Inspection\u003c\/li\u003e\n\u003cli\u003e✔ Injector Seal Kit\u003c\/li\u003e\n\u003cli\u003e✔ Engine Oil \u0026amp; Filters\u003c\/li\u003e\n\u003cli\u003e✔ Cooling System Service Components\u003c\/li\u003e\n\u003cli\u003e✔ Complete Engine Overhaul Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ PDI DD15 Engine Rebuild Components\u003c\/li\u003e\n\u003cli\u003e✔ PAI DD15 Oil Pump A4721803101\u003c\/li\u003e\n\u003cli\u003e✔ DD15 Turbocharger\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P551005 Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Fuel Filter Service Kit\u003c\/li\u003e\n\u003cli\u003e✔ Premium CK-4 15W-40 Diesel Oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your DD15 repair with premium components designed for long-term durability and reduced downtime.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":67052524797997,"sku":null,"price":985.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/111071462120-DetroitDD15UpperGasketKit.png?v=1784354656"}],"url":"https:\/\/performancedieselgroup.com\/collections\/engine-parts.oembed","provider":"Performance Diesel Group","version":"1.0","type":"link"}