DNJ
DNJ 1990 Mercury Grand Marquis 5.0L Crankshaft Seal
DNJ 1990 Mercury Grand Marquis 5.0L Crankshaft Seal
Part number: RM411_149
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- Free fitment check before you order
DNJ 1990 Mercury Grand Marquis 5.0L Crankshaft Seal, listed for 1990 Mercury Grand Marquis with the 5.0L 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: 1990 Mercury Grand Marquis
- Engine: 5.0L
- Engine code: VIN F 16V OHV
- Part number: RM411_149
Listed fitment
- [1968-2016] AVANTI, FORD, JAGUAR, MAZDA, PANOZ, QVALE / L4, V10, V6, V8 / 2.3L, 2.5L, 3.0L, 3.4L, 3.8L, 3.9L, 4.2L, 4.6L, 5.0L, 5.4L, 5.8L, 6.8L / 140, 152, 153, 155, 181, 183, 207, 232, 238, 256, 281, 302, 330, 355, 415 DOHC, OHV, SOHC 12V, 16V, 20V, 24V, 30V, 32
Good to know
- Notes: From 12/01/82
- 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
Rubber seals age and harden over time, so older engines often need them when other work is done nearby.
Fitment notes
- 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? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
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: Mercury Parts · All Crankshaft Seals · Engine
Questions about seal
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