1990 Mercury Grand Marquis Rear Main Seal Sets

Your 1990 Mercury Grand Marquis might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Rear Main Seal Sets you desperately need.

We currently carry 2 Rear Main Seal Sets to choose from for your 1990 Mercury Grand Marquis, and our inventory prices range from as little as $42.49 up to $63.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Rear Main Seal Sets for the 1990 Mercury Grand Marquis. We only sell parts from trusted brands like National so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Rear Main Seal Sets stock in-person!

Rear Main Seal Sets for Your 1990 Mercury Grand Marquis

National – Shaft Repair Sleeve (Part No.99363)

Shaft Repair Sleeve

from

$63.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Mr. Gasket – Rear Main Seal Gasket (Part No.30)

Rear Main Seal Gasket

from

$42.49
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It is a direct replacement for a factory one-piece rubber main seal. It’s also injection molded for a precise fit.

Product Features:
  • Repairs that leaky rear main seal
  • Direct replacement for stock one-piece seal
  • Silicone rubber to withstand extreme oil temperatures
  • Injection molded for precise fit
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FAQs for 1990 Mercury Grand Marquis Rear Main Seal Sets

What are the most popular Rear Main Seal Sets for the 1990 Mercury Grand Marquis?

With 2 brands you can trust, our most popular Rear Main Seal Sets for the 1990 Mercury Grand Marquis parts are:
Shaft Repair Sleeve
from $63.99
This product is not rated
Shaft Repair Sleeve
Rear Main Seal Sets
Rear Main Seal Gasket
from $42.49
This product is not rated
Rear Main Seal Gasket
Rear Main Seal Sets