Product Description
Cummins 3941759 — Timing Gear Cover / Front Timing Housing (5.9L)
MPN: 3941759 | Also Known As: timing gear cover, timing housing front cover, gear cover | Cross-Refs (ID only): 3941824; assembly references 3941532, 3976697
Why This Part
- ✓ OE casting restores proper seal surface and accessory alignment.
- ✓ Direct-fit for 1998.5–2002 Ram 5.9L ISB 24-valve (VP44).
- ✓ Designed for ISB/QSB 5.9 Stage-2 applications.
- ✓ Built to Cummins dimensional and material specs.
Quick Specs
| Type | Front timing gear cover / timing housing cover |
|---|---|
| OE Part # | 3941759 |
| Qty Required | 1 per engine (sold individually) |
| Gaskets & Seals | Front cover gasket (e.g., Cummins 3918673); front crank seal kit (e.g., MAHLE 48383) — sold separately |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1998.5–2002 | Ram 5.9L ISB (24V VP44) | Ram 2500/3500 |
Industrial/Off-Highway: Used primarily on Stage-2 ISB/QSB 5.9 variants — always verify by ESN.
Often Paired With
- Front cover gasket: Cummins 3918673 (or equivalent)
- Front crank seal kit: MAHLE 48383 (or equivalent)
- Gear case housing gasket: Cummins 3938156 (when resealing the case)
What’s In The Box
- (1) Genuine Cummins Timing Gear Cover (3941759)
- Gaskets/seals sold separately (see “Often Paired With”).
Install Tips
- Clean mating surfaces; use new gasket/seal; follow factory torque/sequence.
- Verify accessory alignment and crank seal seating before start-up.
- Inspect gear housing and dowels; reseal housing if disturbed.
FAQ
WILL THIS FIT MY 1998.5–2002 5.9L 24-VALVE RAM?Yes—3941759 is the OE timing gear cover for 1998.5–2002 Ram 5.9L ISB 24V (VP44). Always confirm by VIN/ESN.
WHAT GASKETS/SEALS DO I NEED?Typically a front cover gasket (e.g., Cummins 3918673) and a front crank seal kit (e.g., MAHLE 48383). Replace any disturbed housing gaskets.
IS THIS A GENUINE CUMMINS PART?Yes—this is an OEM Cummins casting, part number 3941759.
DOES THIS FIT COMMON-RAIL 5.9 OR 6.7?No—this listing targets 1998.5–2002 24-valve VP44 trucks. Common-rail applications use different covers.
WHAT ARE THE RELATED NUMBERS?Common identifiers include 3941824; assembly references 3941532 and 3976697 (used in some kit/assembly listings).
