PAI Industries
PAI 621207 Oil Pickup Tube O-Ring | OEM A4721870980
PAI 621207 Oil Pickup Tube O-Ring | OEM A4721870980
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PAI 621207 Oil Pickup Tube O-Ring | Replaces Detroit Diesel A4721870980
The PAI 621207 Oil Pickup Tube O-Ring is a premium OEM-quality rectangular sealing ring designed for Detroit Diesel DD13, DD15, DD16, and Mercedes-Benz OM471 engines. Replacing OEM part number A4721870980, this high-temperature Viton® (FKM) seal provides a secure connection between the oil pickup tube and oil pump, helping maintain proper oil pressure while preventing air leaks that can lead to oil pump cavitation and premature engine wear. citeturn0search1turn0search0
This seal is commonly replaced whenever the oil pan is removed, the oil pump is serviced, or a complete engine overhaul is performed. Because of its critical role in the engine lubrication system, replacing worn pickup tube seals during maintenance is inexpensive insurance against costly engine damage. citeturn0search1turn0search6
⚠️ VIN or Engine Serial Number Required
Detroit Diesel DD13, DD15, and DD16 engines were built with multiple production updates throughout the years. Please provide your VIN or engine serial number before ordering so our diesel specialists can verify the correct oil pickup tube seal for your engine.
Verifying your engine information before purchase helps eliminate ordering errors and ensures proper fitment.
Key Features
- Premium PAI Industries replacement seal
- Replaces OEM Detroit Diesel A4721870980
- High-temperature Viton® (FKM) construction
- Rectangular (D-Ring) oil pickup tube seal
- Helps maintain proper engine oil pressure
- Prevents air leaks at the oil pickup tube connection
- OEM-quality fit and sealing performance
- Ideal for oil pump replacement and engine rebuilds
- Made for heavy-duty diesel engine applications
Specifications
- Brand: PAI Industries
- PAI Part Number: 621207
- OEM Part Number: A4721870980
- Product Type: Oil Pickup Tube O-Ring / Rectangular Seal Ring
- Material: Viton® (FKM) 75 Durometer
- Dimensions: 1.500" I.D. × 0.195" Cross Section × 0.245" Thickness
- Quantity Required: 2 Per Engine
- Condition: New
Major Cross Reference Numbers
- Detroit Diesel A4721870980
- Detroit Diesel A4721870580
- Detroit Diesel A4721870280
- Freightliner DDEA4721870980
- PAI 621207
- Interstate-McBee A-A4721870980
- Interstate-McBee A-A4721870580
- Mercedes-Benz A4721870980
Applications
- Detroit Diesel DD13
- Detroit Diesel DD15
- Detroit Diesel DD16
- Mercedes-Benz OM471
- Freightliner Cascadia
- Freightliner Coronado
- Freightliner 114SD
- Freightliner 122SD
- Western Star 4700
- Western Star 4900
- Western Star 5700XE
Common Reasons for Replacement
- Oil pump replacement
- Engine overhaul or in-frame rebuild
- Oil pan removal
- Low engine oil pressure diagnosis
- Oil pickup tube replacement
- Preventive maintenance during engine service
🔧 Complete Your Lower Engine Service
When servicing your oil pump or oil pickup tube, replace all sealing components while the engine is disassembled. Doing so helps maintain proper oil pressure, prevents future leaks, and minimizes repeat labor.
- ✔ PAI DD15 Oil Pump
- ✔ Oil Pickup Tube O-Ring Kit
- ✔ Oil Pickup Tube Gasket
- ✔ Lower Engine Gasket Set
- ✔ Oil Pan Gasket
- ✔ Donaldson Oil Filter
- ✔ Premium CK-4 Diesel Engine Oil
🚛 Frequently Purchased Together
- ✔ PAI DD15 Oil Pump
- ✔ PAI Lower Engine Gasket Kit
- ✔ Donaldson Oil Filter
- ✔ DD15 Engine Rebuild Kit
- ✔ Premium 15W-40 Diesel Engine Oil
- ✔ Engine Assembly Lubricant
Complete your lower engine repair with premium sealing components to maximize lubrication system reliability and reduce future downtime.
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