DNJ
DNJ 1991 Ford F Super Duty 7.5L Crankshaft Seal
DNJ 1991 Ford F Super Duty 7.5L Crankshaft Seal
Part number: RM4186_188
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Ford F SuperFitment notes & questions
1991 Ford F Super Duty 7.5L Crankshaft Seal from DNJ, listed for 1991 Ford F Super with the 7.5L 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: 1991 Ford F Super
- Engine: 7.5L
- Engine code: VIN A 16V OHV
- Part number: RM4186_188
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.

About this seal for the Ford F Super
Rubber seals age and harden over time, so older engines often need them when other work is done nearby.
Fitment notes
- Listed for: Ford F Super.
- 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: Ford Crankshaft Seals · Ford Parts · All Crankshaft Seals · Engine
Questions about Ford F Super seal
Will this fit my Ford F Super?
How do I know a seal is leaking?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.