DNJ
DNJ 1991 Ford F-350 7.5L Crankshaft Seal
DNJ 1991 Ford F-350 7.5L Crankshaft Seal
Part number: RM4186_190
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- Free fitment check before you order
Listed for: Ford F-350 7.5LFitment notes & questions
1991 Ford F-350 7.5L Crankshaft Seal by DNJ for 1991 Ford F-350 with the 7.5L engine. Rubber seals age and harden over time, so older engines often need them when other work is done nearby.
Quick facts
- Brand: DNJ
- Part type: Seal
- Listed for: 1991 Ford F-350
- Engine: 7.5L
- Engine code: VIN A 16V OHV
- Part number: RM4186_190
Listed fitment
- [1968-1997] FORD / V8 / 7.5L / 460 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.

DNJ seal for the Ford F-350 7.5L: what to know
A worn seal lets oil seep out or get burned. Replacing it is cheap; getting to it is usually the work.
Fitment notes
- Listed for: Ford F-350 7.5L.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- 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 fitmentWhat else to plan for
- Timing parts. Front crank and cam seals sit behind the timing belt or chain, so they are often done together.
More for your car: Ford Crankshaft Seals · Ford Parts · All Crankshaft Seals · Engine
Questions about Ford F-350 7.5L seal
Will this fit my Ford F-350 7.5L?
How do I know a seal is leaking?
Where do specs and warranty details come from?
Questions & answers
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