Product Description
Cummins 5473238 — Genuine Water Pump Kit for 5.9L & 6.7L ISB
MPN: 5473238 | Also Known As: engine water pump, water pump kit | Supersedes / Cross-Refs (ID): 2881804, 2881805, 3286278, 68003402AA, 4955359
Restore OE cooling performance on B-Series trucks. This genuine Cummins water pump kit is a direct-fit replacement for 1989–2012 Ram 5.9L/6.7L applications and includes the mounting O-ring. Built to Cummins specifications for flow, bearing life, and seal integrity.
Features & Benefits
- OE flow & pressure to stabilize engine temperature under load.
- Direct-fit install with OE pulley offset and housing geometry.
- Premium bearing & mechanical seal for long service life.
- Includes mounting O-ring for leak-free reassembly.
- Genuine Cummins quality and durability.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1993 | 5.9L 12V (VE) | Ram 2500/3500 |
| 1994–1998 | 5.9L 12V (P7100) | Ram 2500/3500 |
| 1998.5–2002 | 5.9L 24V (VP44) | Ram 2500/3500 |
| 2003–2007 | 5.9L ISB (Common-Rail) | Ram 2500/3500 |
| 2007.5–2012 | 6.7L ISB | Ram 2500/3500 |
Industrial/Off-Highway: Used on many B/QSB engines; Cummins notes 5473238 is used primarily on non-certified 5.9L B engines — verify by ESN for non-automotive equipment.
Compatibility Notes:
- 2013–2018 6.7L: typically uses Cummins water pump 5521882 (post-recall design). Confirm by VIN/ESN.
- This kit includes the pump and mounting O-ring. Replace any brittle coolant hoses, belts, or inlet O-rings during service.
Specifications
- Type: Engine water pump kit (pump + mounting O-ring)
- OE Part Number: 5473238
- Supersedes / Cross-Refs (ID): 2881804, 2881805, 3286278, 68003402AA, 4955359
- Quantity Required: 1 per engine
Often Paired With
- Water inlet connection O-ring: 3906697 (replace as needed)
- Spare water pump O-ring: 3906698 (kit includes one; keep a spare if desired)
- Thermostat: 5292738 (’89–’93), 3934373/3928499 (’94–’98)
- Serpentine belt & coolant: replace/refresh during pump service
What’s In The Box
- (1) Genuine Cummins Water Pump
- (1) Mounting O-ring
Installation Tips
- Drain coolant below pump level and disconnect the belt; clean mating surfaces thoroughly.
- Lubricate the new O-ring lightly, seat the pump squarely, and torque fasteners to spec.
- Refill with the correct coolant mix, bleed air, and verify for leaks after warm-up.
FAQ
WILL THIS FIT MY 1989–2012 5.9L/6.7L CUMMINS RAM?
Yes—5473238 is listed for ’89–’12 5.9L & 6.7L Ram applications and includes the mounting O-ring. Always confirm by VIN/ESN.
WHAT DOES THE KIT INCLUDE?
The water pump and its mounting O-ring. Replace the inlet connection O-ring (3906697) if it’s flattened or brittle.
WHAT ABOUT 2013+ 6.7L TRUCKS?
Most 2013–2018 6.7L applications use Cummins 5521882. 2019–2024 use a different Mopar pump. Verify by VIN/ESN.
WHAT ARE COMMON CROSS-REFERENCES?
Common IDs include 2881804/2881805 (Cummins) and Mopar 68003402AA; earlier coverage also maps to 3286278. Use ESN to confirm interchange.
IS THIS A GENUINE CUMMINS PART?
Yes—OE Cummins 5473238.
