Description
Sierra 18-1211 Rear Main Seal Replaces 26-814622 is a direct marine-grade replacement for MerCruiser part number 26-814622, designed specifically for GM-based (Chevrolet) marine engines manufactured between 1968 and 1989 that utilize a 2-piece crankshaft design.
Product Identification
This precision-molded seal restores a leak-free interface on the crankshaft journal to protect your engine against vital oil loss in harsh marine environments.
An industry-standard 2-piece rear crankshaft oil seal built to meet or exceed OEM specifications.
- Engine Compatibility: Fits standard left-hand (LH) rotation GM 2.5L, 3.0L, 4.3L V6, 5.0L, and 5.7L V8 blocks.
- Major Cross References: MerCruiser 26-814622, 26-58203, 26-49947; OMC 473424; Mallory 9-61620.
Detailed Application Guide
To ensure proper fitment, cross-reference your engine size and serial number range:
- In-Line 4 Cylinder (IL4): Fits 120 / 2.5L (Serial Number 2786857 & up) and 140 / 3.0L & LX (Serial Number 6229718 & up).
- In-Line 6 Cylinder (IL6): Fits 150, 160, 165, and 200 models (Serial Number 2770032 & up).
- V6 Engines: Fits 175, 185, 205, 262, and 4.3L blocks (Serial Number 6330183 & up).
- V8 Engines: Fits 200, 225, 228, 230, 250, 255, 260, 270, 280, 300, 320, 5.0L, 5.7L, and 898 models (Serial Number 2453769 & up).
Specifications
- California Residents:
- WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
