Prices are melting for cool savings.
Save Now during our BIGGEST Sale of the Year!

Mercruiser Rear Main Crankshaft Seals

Refine Parts List
Model

Model

Serial No.

Rear Main Crankshaft Seal

120/2.5L2786857 & UP18-1211
140/3.0L & LX6229718 & UP18-1211
150 (I/L-6)2770032 & UP18-1211
160 (I/L-6)2770032 & UP18-1211
165 (I/L-6)2770032 & UP18-1211
175 (V-6)6330183 & UP18-1211
185 (V-6)6330183 & UP18-1211
200 (I/L-6)2770032 & UP18-1211
205 (V-6)6330183 & UP18-1211
262 4.3L (V-6)6330183 & UP18-1211
200-320/5.0L/5.7L/898(V-8)2453769 & UP18-1211
2152781153 & UP18-0528
[224] I/L4ALL18-0864
225 FORD3885721 & UP18-0528(1)
5.0L Std. RotationAll one piece seal18-0519
5.7L Std. RotationAll one piece seal18-0519
4.3L Std. RotationAll one piece seal18-0519
3.0L Std. RotationAll one piece seal18-0519
340 (7.4L)4623115 & UP18-0520
370 TRS5889914 & UP18-0520
400 TRS4179554 & UP18-0520
420A398941 & UP18-0520
440 TRS4179554 & UP18-0520
454 MAGNUMA631894 & UP18-0520
460 TRS4179554 & UP18-0520
7.4L Std. RotationAll one piece seal18-1234
8.2L Std. RotationAll one piece seal18-1234
454 Std. RotationAll one piece seal18-1234
502 Std. RotationAll one piece seal18-1234
7.4 BRAVOB771113 & UP18-0520
888 (188)3108723 & UP18-0528

Model

Serial No.

Rear Main Crankshaft Seal

Notes:
(1) : Lrg. Journal Crankshaft GM Engines
Refine Parts List
Model

Blowout
Save 25%-50% Off.
Oil Seal - 18-0519 - Sierra
Meltdown Sale Price: $20.69
Save: $7.30
(26% Off $27.99)
Part # 18-0519 ValueShip™ Eligible
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
Shaft Size - 3.792"
Outer Diameter - 4.536"
Width - 0.482"

Replaces OEM part #
  • MERCURY MARINE 26-14240
  • CRUSADER 7070400
  • OMC 3852657, 912957


  • For: 4.3L, 3.0L, 5.0L, 5.7L
Two Piece Rear Main Crankshaft Seals - 18-0528 - Sierra
Meltdown Sale Price: $13.49
Part # 18-0528 ValueShip™ Eligible
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
Replaces OEM part #
  • MERCURY MARINE 26-56868
  • OMC 913745
  • VOLVO 3852805
Rear Crankshaft Seal - 18-0864 - Sierra
Meltdown Sale Price: $29.69
Save: $10.30
(25% Off $39.99)
Part # 18-0864 ValueShip™ Eligible
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
Replaces OEM part #
  • MERCURY MARINE 26-90925
Two Piece Rear Main Crankshaft Seals - 18-1211 - Sierra
Meltdown Sale Price: $52.19
Save: $17.80
(25% Off $69.99)
Part # 18-1211 ValueShip™ Eligible
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
Replaces OEM part #
  • CRUSADER 7080310
  • MERCURY MARINE 26-58203
  • OMC 473424
Two Piece Rear Main Crankshaft Seals - 18-1234 - Sierra
Meltdown Sale Price: $46.79
Save: $16.19
(25% Off $62.98)
Part # 18-1234 ValueShip™ Eligible
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
Replaces OEM part #
  • CRUSADER 7080030
  • MERCURY MARINE 26-811554
  • OMC 3853528
  • VOLVO 3853528


  • For: 7.4L, GL, GI, GSI: 8.2L, GL
SEAL, REAR MAIN (1PC) - Mallory
Meltdown Sale Price: $23.89
Save: $16.10
(40% Off $39.99)
Part # 9-61623
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
9-61623
Seal, Rear Main (1pc)
Replaces: Mercruiser 26-90925
Fits: Mercruiser 3.7L & Ford 351W
with 1pc seal
Standard rotation only
SEAL, REAR MAIN (2PC) - Mallory
Meltdown Sale Price: $28.49
Save: $28.69
(50% Off $57.18)
Part # 9-61624
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
9-61624
Seal, Rear Main (2pc)
Replaces: Mercruiser 26-14756
Fits: GM 396, 402, 427, 454 with
2pc seal
Sierra
Ask a question for
Question & Answer Guidelines
This product ships in 1 business day.

Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
* Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Save More Now during the Summer Price Meltdown Sale!