New Genuine PAI Seal P/N 631337(Quantity of 1x Seal as pictured.  You will need 6x seals for the six injectors). 

Alternative and other replacement reference part numbers: Detroit Diesel 23511870.

Application:  Detroit Diesel Series 50 & Series 60 Injector Seal(Graphite, Early Units).
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*PAI p/n 631337 is #8 in the above diagram(Series 60).  Other parts sold separately, please email for quote.

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

Check out my other items!  We can also combine orders to save on shipping.

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.