Gear Housing Oil Seal – Fits Mercury Marine 105-250 HP Outboards & MerCruiser Alpha One/Gen 2 Stern Drives (Replaces 26-14077)

Vendor: JLM Marine
Availability: In Stock
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Gear Housing Oil Seal – Fits Mercury Marine 105-250 HP Outboards & MerCruiser Alpha One/Gen 2 Stern Drives (Replaces 26-14077)

Gear Housing Oil Seal – Fits Mercury Marine 105-250 HP Outboards & MerCruiser Alpha One/Gen 2 Stern Drives (Replaces 26-14077)

$22.00 $18.50

Gear Housing Oil Seal – Fits Mercury Marine 105-250 HP Outboards & MerCruiser Alpha One/Gen 2 Stern Drives (Replaces 26-14077)

$22.00 $18.50

Gear Housing Oil Seal – Fits Mercury Marine 105-250 HP Outboards & MerCruiser Alpha One/Gen 2 Stern Drives (Replaces 26-14077)

This gear housing oil seal is designed to fit Mercury Marine outboards ranging from 105 to 250 HP and MerCruiser Alpha One (1983–1990) and Alpha One Gen 2 (1991–present) stern drives. It is also compatible with Force/Chrysler 90-150 HP outboards (1989–1994) and some OMC Cobra and Stringer stern drives.

The seal functions to prevent oil leaks and ensure proper lubrication within the gear housing and propeller shaft areas, providing reliable protection under standard marine oil seal operating conditions.

  • Includes 2 oil seals (26-14077)
  • Installation via press-fit
  • Compatible with multiple marine brands and models

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number
Mercury 26-14077
Mercury 26-F697555
Force F697555
Sierra 18-2077
GLM 85130
Mallory 9-76119
OMC Johnson/Evinrude 320862

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here9s a guide to help you identify your engine9s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For MerCruiser owners, here9s a guide to help you identify your engine9s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For Force/Chrysler owners, here9s a guide to help you identify your engine9s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For OMC owners, here9s a guide to help you identify your engine9s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury 105 JET 105 2-Stroke 0G3030460G760299 26-14077
Mercury 110 JET 110 2-Stroke 1B6905421B974227 26-14077
Mercury V-115 DFI 115 2-Stroke 0G9605000T178499 26-14077
Mercury V-135 135 2-Stroke 0G3030460T178499 26-14077
Mercury V-135 DFI 135 2-Stroke 0G5900001B417702+ 26-14077
Mercury V-140 JET 140 2-Stroke 0G3030460T178499 26-14077
Mercury V-150 150 2-Stroke 0G3030461B226999 26-14077
Mercury V-150 EFI 150 2-Stroke 0G3030461B227000+ 26-14077
Mercury V-150 DFI 150 2-Stroke 0G5900001B417702+ 26-14077
Mercury 150 Pro XS 150 2-Stroke 1B6905422B535572 26-14077
Mercury 150 EFI PRO MAX/SUPER MAG 150 2-Stroke 0D9350000G856999 26-14077
Mercury V-175 175 2-Stroke 0G3030460G960499 26-14077
Mercury V-175 EFI 175 2-Stroke 0G3030460T800999+ 26-14077
Mercury V-175 DFI 175 2-Stroke 0T1785001B417702+ 26-14077
Mercury 175 Pro XS 175 2-Stroke 1B5163392B535624 26-14077
Mercury V-200 200 2-Stroke 0G3030461B226999 26-14077
Mercury V-200 EFI 200 2-Stroke 0G3030461B227000+ 26-14077
Mercury 200 DFI 200 3.0L 0G3864961B504988 26-14077
Mercury 200 EFI 200 3.0L 0T7501641B504988 26-14077
Mercury 200 DTS DFI 200 3.0L 0T9800001B504988 26-14077
Mercury 200 EFI PRO MAX/SUPER MAG 200 2-Stroke 0D9350000G856999 26-14077
Mercury 225 CARB 225 3.0L 0D2808130T408999 26-14077
Mercury 225 EFI 225 3.0L 0G1292221B504988 26-14077
Mercury 225 DFI 225 3.0L 0G5900001B504988 26-14077
Mercury 225 DTS DFI 225 3.0L 0T5990001B504988 26-14077
Mercury 225 MARATHON/SEAPRO 225 3.0L 0G2456051B417701 26-14077
Mercury 250 EFI 250 3.0L 0G1292221B504988 26-14077
Mercury 250 XS 250 3.0L 0T6519451E000796 26-14077
Mercury Racing 250XS DFI 250 3.0L 0T6519451E000796 26-14077
Mercury Racing 300 ProMax/SuperMag 300 3.0L 0G6102210T105297 26-14077
Mercury Racing 300X ProMax 300 3.0L 0T2350840T999587 26-14077
Mercury Racing JP 3.0L DFI - 3.0L 0T9979741E003045 26-14077
MerCruiser R/MR/ALPHA ONE Sterndrive 1983-1990 26-14077 S/N 6225577-0F386995
MerCruiser R/MR/ALPHA ONE Transom Assembly 1983-1990 26-14077 S/N 6216687-0F386995
MerCruiser ALPHA ONE GEN II Sterndrive 1991-1995 26-14077 S/N 0D469859-0F679999
MerCruiser ALPHA ONE GEN II Sterndrive 1996-1997 26-14077 S/N 0F680000-0K999999
MerCruiser ALPHA ONE GEN II Sterndrive 1998+ 26-14077 S/N 0L100040+
MerCruiser ALPHA ONE SS Sterndrive 1986-1989 26-14077
MerCruiser SSM II/III/IV/V Sterndrive 1982-1995 26-14077
MerCruiser VAZER Sterndrive 26-14077 S/N 0W995000+
MerCruiser VAZER Transom 26-14077 S/N 0W755000+
Force - 90 1989-1994 26-F697555
Force - 120 1990-1994 26-F697555
Force - 150 1989-1994 26-F697555
OMC Cobra Sterndrive 320862
OMC Stringer Sterndrive 320862

Technical Specifications

Specification Value
Product Type Gear Housing/Propeller Shaft Oil Seal
Installation Press-fit
Housing Material Rubber with metal casing
Dimensions 30mm ID 7 43mm OD 7 6.3mm Thickness
Working Pressure Standard propeller shaft pressure rating
Operating Temperature -206C to 1206C (-46F to 2486F)
Warranty Varies by manufacturer
Other Technical Attributes Prevents oil leaks; ensures proper lubrication

Package Contents

  • 2 x Oil Seal (26-14077)

Installation Guide

Installation of the gear housing oil seal should be performed with care to ensure proper fit and function. The seal is designed for press-fit installation.

  1. Clean the gear housing and propeller shaft area thoroughly to remove debris and old seal residue.
  2. Inspect the housing bore for damage or wear before installing the new seal.
  3. Lubricate the seal lip lightly to prevent damage during installation.
  4. Press-fit the oil seal evenly and squarely into the gear housing bore, avoiding any distortion.
  5. Ensure the seal is fully seated flush with the housing surface.
  6. Reassemble the propeller shaft and gear housing components as per manufacturer instructions.
  7. Check for leaks after installation by running the engine in a controlled setting.

Troubleshooting & FAQ

  • How do I confirm this oil seal fits my engine? Confirm your engine model and year in the compatible engine models table above, and compare the OEM part number with your existing seal.
  • What are the differences compared to the OEM part? This listing is an aftermarket replacement part built to OEM specifications using comparable-grade materials; it is not an OEM component but is inspected for consistent performance.
  • How often should I replace this oil seal? Replacement intervals depend on usage and operating conditions; inspect regularly for leaks or damage, and replace as required to maintain lubrication integrity.
  • What are common signs of seal failure? Look for oil leaks around the gear housing, unusual noises, or decreased performance potentially caused by lubrication loss.
  • OEM vs. Aftermarket? This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
  • How fast do you ship and how much does it cost? We offer fast global shipping9typically 515 days worldwide1and standard shipping is free. Expedited options are available at checkout depending on your location.
  • What is your warranty and return policy? This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies existeven if your model is listeddo not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 515 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.

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