Overview – RETAINER, INJ FUL SUP CNR 5264181 Series
5264181 is the CUMMINS part number for this RETAINER, INJ FUL SUP CNR, fitted in CUMMINS unit injector fuel supply lines. We keep the series in our catalogue and can quote it with or without related parts.
Parts Characteristics
5264181 is the retainer that secures the fuel supply connector to the unit injector, with the clamping shape and bore matched to the original CUMMINS connector. The material holds the connector under fuel pressure and vibration without distortion, and the part locates on the original mounting without modification. The retainer is machined to the original profile so the connector is held without over-stressing the fuel line.
Applicable Models & Applications
This retainer is used on CUMMINS unit injector fuel supply lines where the original 5264181 applies, including the related C5664258 and G5264181 configurations. Confirm the connector style against the retainer removed from your engine before ordering. The related C5664258 and G5264181 numbers cover the other connector styles in the same fuel line family.
Maintenance & Replacement
Check the retainer whenever the fuel supply line is disturbed and at the first sign of fuel seepage at the injector connector. Replace a cracked or distorted retainer with a new one, fit the connector squarely and torque the fixing to the original specification. Replace the retainer with a new fixing and check the connector for cracks while the line is off the injector.
Price Reference (USD)
The reference price for this RETAINER, INJ FUL SUP CNR (5264181) is approximately USD 8 – 30 per unit depending on grade, quantity and shipping destination. This is a planning estimate only – confirm current pricing and availability with our sales team before ordering.
Value & Service
We verify 5264181 against the original CUMMINS connector profile before dispatch and stock the related C5664258 and G5264181 numbers, so a fuel line service set can ship in one order. Send us a photo of your connector and we will confirm the correct retainer. We include the retainer with the fuel line service set, and confirm the connector style from a photo before dispatch.
The same-series numbers in the RETAINER, INJ FUL SUP CNR Series range: C5664258, G5264181.
Racer Machinery, an established supplier of engine parts, can ship RETAINER, INJ FUL SUP CNR (5264181) for CUMMINS machines to any country. Enquire with your part number and machine model for a confirmed quote.







