Product Description
The Cummins 5264181 OEM Injector Fuel Supply Connector Retainer is the factory-correct connector tube nut used on 2003–2007 5.9L Cummins common-rail engines. This precision-machined retainer ensures proper injector sealing, prevents high-pressure fuel leaks, and maintains long-term reliability. When replacing injector connector tubes or installing new injectors, Cummins requires new retainers to ensure correct torque and sealing integrity. This is a Genuine Cummins OEM component—no aftermarket substitutions.
FITMENT
- 2003 Dodge Ram 2500/3500 5.9L Cummins
- 2004 Dodge Ram 2500/3500 5.9L Cummins
- 2004.5 Dodge Ram 2500/3500 5.9L Cummins
- 2005 Dodge Ram 2500/3500 5.9L Cummins
- 2006 Dodge Ram 2500/3500 5.9L Cummins
- 2007 Dodge Ram 2500/3500 5.9L Cummins
CROSS-REFERENCE / RELATED CUMMINS PARTS
- Cummins 4988806 Injector Fuel Supply Tube (#6)
- Cummins 3957081 OEM Connector Tube – 5.9L
- Cummins 5264181 Connector Tube Retainer (this item)
FAQ
Do I need to replace the connector tube nut when installing new injectors?
Yes. Cummins requires replacement any time the connector tube or injector is removed to ensure proper sealing and torque retention.
Is this a genuine Cummins part?
Yes. This is an OEM Cummins 5264181 part sourced from Cummins’ authorized supply chain.
Does this retainer fit all 5.9L Common Rail engines?
It fits all 2003–2007 5.9L Cummins engines used in Dodge Ram 2500/3500 trucks.
Should connector tubes also be replaced at the same time?
Yes. Cummins specifies that connector tubes must be replaced whenever injectors are replaced to avoid sealing issues and misfire conditions.
| Specifications for Cummins 5264181 | |
|---|---|
| Brand | Cummins OEM |
| Part Number | 5264181 |
| UPC | Not published by Cummins |
| GTIN | Not published by Cummins |
| Cross Reference | 4988806, 3957081 (related injector components) |
| E-Codes | N/A |
| Shipping Info | Ships via USPS or UPS; small parcel |
| Prop 65 | Not Applicable |
