My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Cometic C5391 Ford Windsor Rear Main Seal - 351W V8

(Ford F-150 1977-96, Mustang 1969-73, 1995, F-250 1977-96, Bronco 1978-96, Thunderbird 1977-79, F-350 1977-97, Galaxie 500 1969-74 + 40 more models)

Part of: Cometic Rear Main Seal for Chevrolet Small Block

Other options in this family: Cometic C5681 Cometic C5683 Cometic C5682 Cometic C5689 Cometic C5385

Manufacturer

Picture for manufacturer Cometic

Part Number

C5391
11 reviews
Sale Price

$83.32

3 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C5391 is a precision-engineered rear main seal designed specifically for Ford 351W Windsor V8 engines. This critical seal prevents oil leakage between the crankshaft and the engine block, ensuring proper lubrication system integrity and preventing oil loss.

Key Features:

  • Direct fit replacement for Ford 351W Windsor small block V8 engines
  • High-quality construction for reliable sealing performance
  • Prevents oil leakage at the rear of the crankshaft
  • Essential component for engine rebuilds and maintenance
  • Manufactured to OEM specifications for proper fitment

This rear main seal is a critical wear item that should be replaced during engine rebuilds, rear main bearing service, or transmission removal. Cometic Gaskets is known for their precision manufacturing and quality materials, making this seal an excellent choice for both professional mechanics and DIY enthusiasts working on Ford Windsor engines.

Products specifications

Fits

Ford F-150 1977-96, Mustang 1969-73, 1995, F-250 1977-96, Bronco 1978-96, Thunderbird 1977-79, F-350 1977-97, Galaxie 500 1969-74, F-100 1977-79, Fairlane 1969-70, Ranchero 1969-79, Torino 1969-76, Bronco II 1984-90, Falcon 1969-70 + 34 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Price was excellent for this product(Hypertech Econ) and delivery was right on time! I will look for parts from this vendor in the future!

The price as well as the turn time for receiving my product was great. I placed an order late Sunday evening and I have received my order by Wednesday of that week. I still can't get over how great the price was for the bike rack I ordered compared to all of the other sites out there.

Awsome A+ I got my order really quick.

EASY TO NAVIGATE THE PAGE, FAST SHIPPING, OVERALL WONDERFULL TO DEAL WITH!!!! WILL SHOP THERE AGAIN!!!! THANK YOU!!!

Great website, very simple and easy to use. Customer service was great and could not beat a better price on product. Was given an e-mail every step of the way. Would recommend!8

Great site has alot of items in stock. Shipped promptly! Can't wait to do buisiness again.

Wow shipped quick easy to order thanks

Item was very good quality and arrived in 4 days great service.

Best price I could find! Shipped through UPS, great service.

Great website to maneuver around and great prices! I used amazon.com to check out with them. Great service so far! Thanks!!!! Recommended on my website!

The magnaflow kit that I ordered was about $100 cheaper than any other site I could find. Shipping was fast, and relatively cheap too.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy