Product Description
Cummins 3938157 — Genuine Oil Pickup Tube Flange Gasket for 5.9L (6BT/ISB)
MPN: 3938157 | Also Known As: oil pickup tube gasket, flange gasket, oil suction tube gasket | Cross-Refs (ID only): 3900454, 3914383, 3931349, 3905468
Genuine Cummins flange gasket that seals the oil pickup tube to the engine block on 5.9L B-Series engines. Direct-fit OE part for 1989–2002 Ram 2500/3500 5.9L (12V & 24V VP44). Designed for a leak-free seal to protect oil pressure and engine longevity.
Features & Benefits
- OE sealing performance to maintain oil pressure and prevent aeration.
- Direct-fit replacement with correct flange profile and material.
- Durable composite designed for heat and oil exposure.
- Stops nuisance leaks at the pickup tube/block interface.
- Backed by Cummins quality for fit, function, and reliability.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1993 | 5.9L 12V (6BT) | Ram 2500/3500 |
| 1994–1998 | 5.9L 12V (6BT) | Ram 2500/3500 |
| 1998.5–2002 | 5.9L 24V ISB (VP44) | Ram 2500/3500 |
Industrial/Off-Highway: Used widely on BS3 5.9L B-Series and related 4BT/6BT applications—verify by ESN before ordering.
Compatibility Notes:
- Targets 1989–2002 5.9L non-common-rail applications. Later common-rail (2003+) use different gaskets/tubes.
- Best practice: replace this gasket whenever the pickup tube is removed.
Specifications
- Type: Oil pickup tube flange gasket
- OE Part Number: 3938157
- Cross-References (identification): 3900454, 3914383, 3931349, 3905468
- Quantity Required: 1 per engine (sold individually)
Often Paired With
- Oil pickup tube (’94–’02): 3928455
- Engine oil pan (’94–’02): 4089093
- Fresh oil & filter: change after service to flush contaminants
What’s In The Box
- (1) Genuine Cummins Oil Pickup Tube Flange Gasket (3938157)
Installation Tips
- Clean mating surfaces thoroughly; check flange flatness and tube alignment.
- Use correct fastener torque and sequence per service manual.
- Prime oil system on first start; verify oil pressure and check for leaks.
FAQ
WILL THIS FIT MY 1989–2002 5.9L CUMMINS RAM?
Yes—OE gasket for 1989–2002 5.9L (12V & 24V VP44) Ram 2500/3500. Confirm by VIN/ESN.
WHAT DOES THIS GASKET SEAL?
It seals the oil pickup tube to the engine block to prevent air/leaks that can reduce oil pressure.
SHOULD I REPLACE IT WHEN REMOVING THE PICKUP TUBE?
Yes—replace any time the tube is removed to ensure a reliable seal.
IS THIS A GENUINE CUMMINS PART?
Yes—OE Cummins part 3938157.
WHAT RELATED PARTS ARE COMMONLY CHANGED?
Pickup tube (3928455 for ’94–’02) and, when damaged, the oil pan (4089093 for ’94–’02).
