DNJ
DNJ 1978 Pontiac Grand Prix 5.0L Crankshaft Seal
DNJ 1978 Pontiac Grand Prix 5.0L Crankshaft Seal
Part number: RM3101_741
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Listed for: Pontiac Grand PrixFitment notes & questions
DNJ 1978 Pontiac Grand Prix 5.0L Crankshaft Seal, listed for 1978 Pontiac Grand Prix with the 5.0L engine. A worn seal lets oil seep out or get burned. Replacing it is cheap; getting to it is usually the work.
Quick facts
- Brand: DNJ
- Part type: Seal
- Listed for: 1978 Pontiac Grand Prix
- Engine: 5.0L
- Engine code: 16V OHV
- Part number: RM3101_741
Listed fitment
- [1962-1991] AVANTI, GM / V8 / 4.6L, 4.9L, 5.0L, 5.3L, 5.7L / 283, 302, 305, 307, 327, 350 OHV 16V [(CHEVROLET)]
Good to know
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Lightly oil the seal lip before installation and press it in square so it does not cock or fold.

About this seal for the Pontiac Grand Prix
Rubber seals age and harden over time, so older engines often need them when other work is done nearby.
Fitment notes
- Listed for: Pontiac Grand Prix.
- Engine: the same car can take different parts for each engine option, so check yours.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Timing parts. Front crank and cam seals sit behind the timing belt or chain, so they are often done together.
More for your car: Pontiac Crankshaft Seals · Pontiac Parts · All Crankshaft Seals · Engine
Questions about Pontiac Grand Prix seal
Will this fit my Pontiac Grand Prix?
How do I know a seal is leaking?
Where do specs and warranty details come from?
Questions & answers
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