New Genuine PAI O-Ring P/N 621211.

Alternative and other replacement reference part numbers: Detroit Diesel 23505891 Caterpillar 0619458, 061-9458, 7L2178, 619458, 61-9458, Cummins 3058654, 3328464. 

Application:  Detroit Diesel Series 60, also works on Cummins and Caterpillar engines.

Please Contact us with the Engine Serial Number if you have any doubt this is the correct o-ring, or please contact your local OEM dealership for correct part # to ensure correct part. 

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If you need any parts not found on our eBay store let us know, we may have the part in store and we don't mind making an eBay page for it.

We're an authorized dealer of PAI and Excel products, please let us know if there is any other parts you might need, thanks.