{"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\n\u003cp\u003e\nThe 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.\n\u003c\/p\u003e\n\n\u003cp\u003e\nManufactured 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.\n\u003c\/p\u003e\n\n\u003cp\u003e\nTrusted 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.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\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\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\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\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\u003eHeavy-Duty Commercial Trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\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\n\u003chr\u003e\n\n\u003ch3\u003eWhy Replace Your Oil Pump?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe 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.\n\u003c\/p\u003e\n\n\u003cp\u003e\nReplacing 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.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRecommended During Installation\u003c\/h3\u003e\n\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\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔥 High Conversion Add-On: Protect Your Engine Investment\u003c\/h3\u003e\n\n\u003cp\u003e\nA 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.\n\u003c\/p\u003e\n\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\n\u003chr\u003e\n\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\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\n\u003cp\u003e\n\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\n\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","url":"https:\/\/performancedieselgroup.com\/products\/pai-641213-dd15-oil-pump-a4721803101","provider":"Performance Diesel Group","version":"1.0","type":"link"}