DNJ
DNJ 1974 GMC C25/C2500 Suburban 7.4L Crankshaft Seal
DNJ 1974 GMC C25/C2500 Suburban 7.4L Crankshaft Seal
Part number: RM3194_271
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- Free fitment check before you order
Listed for: GMC C25/C2500 SuburbanFitment notes & questions
1974 GMC C25/C2500 Suburban 7.4L Crankshaft Seal from DNJ, listed for 1974 GMC C25 with the 7.4L engine. Seals keep oil in where a shaft passes through a housing, such as the crankshaft or camshaft ends.
Quick facts
- Brand: DNJ
- Part type: Seal
- Listed for: 1974 GMC C25
- Engine: 7.4L
- Engine code: 16V OHV
- Part number: RM3194_271
Listed fitment
- [1970-1990] GM / V8 / 7.4L / 454 OHV 16V
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.

Before you order: GMC C25/C2500 Suburban seal fitment
Seals keep oil in where a shaft passes through a housing, such as the crankshaft or camshaft ends.
Fitment notes
- Listed for: GMC C25/C2500 Suburban.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- 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? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentPlan the whole job
- Timing parts. Front crank and cam seals sit behind the timing belt or chain, so they are often done together.
More for your car: GMC Crankshaft Seals · GMC Parts · All Crankshaft Seals · Engine
Questions about GMC C25/C2500 Suburban seal
Will this fit my GMC C25/C2500 Suburban?
How do I know a seal is leaking?
Where do specs and warranty details come from?
Questions & answers
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