This aftermarket vacuum pump seal kit is a cost-effective repair solution for leaking vacuum pumps on 1994–2002 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. Designed to replace Cummins part number 4089742, this kit includes the seals and gaskets needed to reseal the vacuum pump assembly and help restore proper sealing performance.
Vacuum pump oil leaks are common on 2nd Gen Cummins trucks, but in many cases the complete pump does not need to be replaced. This reseal kit allows you to service the existing vacuum pump and address worn or leaking seals, helping reduce repair costs while maintaining factory-style fit and function.
Features
- Aftermarket replacement for Cummins 4089742
- Fits 1994–2002 Dodge Ram 5.9L Cummins diesel
- Compatible with 12-valve and 24-valve applications
- Helps repair oil leaks from the vacuum pump assembly
- Includes seals and gaskets required for vacuum pump resealing
- Cost-effective alternative to replacing the complete vacuum pump
- Direct-fit style replacement for OE-style service
Fitment
1994–2002 Dodge Ram 2500 / 3500
Engine: 5.9L Cummins Diesel
Valve Configuration: 12V and 24V
Replaces / Cross Reference
Cummins 4089742
Important Notes
This is a seal kit only. Vacuum pump is not included. Installation instructions are not included; professional installation is recommended. Vehicle fitment should be verified before purchase.
*No instructions are supplied. Please consult with a qualified mechanic before attempting installation!
