Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededENGINETECHPART NUMBER: 416-S4686
S4686 Rear Main Seal for 1981-2019 Ford, Lincoln, Mercury, Merkur 2.0L, 2.3L, 2.5L, 3.0L
$1099
Ships on 09/14/2026
Lowest Price GuaranteeFord
Rear Main Seal1981-2019 Ford, Lincoln, Mercury, Merkur 2.0L, 2.3L, 2.5L, 3.0L See Fitment Tab for All Applications Standard Size Rear Main Seal Sold Individually
The Enginetech S4686 is a replacement rear main seal for 1981-2019 Ford, Lincoln, Mercury, Merkur +1 more 2.0L, 2.3L, 2.5L, 3.0L +7 more. Offset lip. Viton engines. Proper installation eliminates rear crankshaft oil leakage.
Enginetech S4686 Rear Main Seal Features:
- Fitment: Ford
- Size: Standard
- Engineered to OE specifications for direct replacement
- Note: 1pc. Viton. 1 piece Viton. From 1/2/83. Offset lip. From 09/29/81. From 11/31/82. From 9/29/81. 1 piece From 1/2/83. 1 piece Offset Lip. 1 piece From 11/31/82.
Part TypeTiming Cover Seal
BrandENGINETECH
Package Height1.0
Package Width3.0
Package Length4.0
Weight0.25 PG
Part CategoryReplacement Parts
Seal TypeDouble Lip Rear Main
QuantitySold individually
FitmentFord
MaterialViton
Part FitmentDirect Fit
RemanufacturedNo
Outside Diameter4.250
Vendor Part NumberS4686
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]](https://www.jegs.com/images/mini_200/500/555/555-81044k.jpg)
JEGS
1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]
Part Number : 555-81044K
$23698
![Rotating Engine Stand [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80059.jpg)
![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)
![Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]](https://www.jegs.com/images/mini_200/500/555/555-81565.jpg)
JEGS
Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]
Part Number : 555-81565
$2199$33.99
You Save$12.00
![Plier Set [5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-w1717.jpg)
![Break-In Oil, 10W30 [1 Quart, 32 oz.]](https://www.jegs.com/images/mini_200/500/555/555-28067.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72311.jpg)
JEGS
Engine Storage Bag 48 in. L x 35 in. W x 34 in. H
Part Number : 555-80039
$1199$12.99
You Save$1.00
![Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81156.jpg)
JEGS
Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]
Part Number : 555-81156
$9099$111.99
You Save$21.00
![Heavy-Duty Steel Workbench [59.5 in. x 27.5 in. Bench Top]](https://www.jegs.com/images/mini_200/500/555/555-81440.jpg)
JEGS
Part Number : 555-81044K
$23698
Some parts are not legal for use in California or other states with similar laws / regulations
