---
product_id: 212143788
title: "OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031"
brand: "glm marine"
price: "4047 kr"
currency: ISK
in_stock: false
reviews_count: 2
url: https://www.desertcart.is/products/212143788-oil-seal-glm-part-number-86450-sierra-part-number-18
store_origin: IS
region: Iceland
---

# Compact 0.8 oz lightweight design Precision OEM fit Durable marine-grade build OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031

**Brand:** glm marine
**Price:** 4047 kr
**Availability:** ❌ Out of Stock

## Summary

> ⚓ Lock in reliability with the ultimate marine oil seal!

## Quick Answers

- **What is this?** OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031 by glm marine
- **How much does it cost?** 4047 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/212143788-oil-seal-glm-part-number-86450-sierra-part-number-18)

## Best For

- glm marine enthusiasts

## Why This Product

- Trusted glm marine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Engineering:** Exact dimensions (12x4x10 in) guarantee a leak-proof, long-lasting seal
- • **Marine-Grade Durability:** Crafted by GLM Marine to withstand harsh watercraft environments
- • **Ultra-Lightweight Design:** At just 0.8 ounces, it adds zero bulk while ensuring peak performance
- • **Seamless OEM Compatibility:** Fits GLM No. 12433 Pump Base perfectly for hassle-free installation
- • **Multi-Brand Cross-Reference:** Compatible with Sierra, Mercury, and OMC part numbers for versatile use

## Overview

The GLM 86450 Oil Seal is a precision-engineered, lightweight component designed specifically for the GLM No. 12433 Pump Base. Built to marine-grade standards, it ensures a durable, leak-proof seal compatible across multiple major marine brands including Sierra, Mercury, and OMC, making it an essential upgrade for watercraft engine maintenance.

## Description

for GLM No. 12433 Pump Base

## Features

- GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GLM |
| Brand | GLM MARINE |
| Item Weight | 0.8 ounces |
| Product Dimensions | 12 x 4 x 10 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 86450 |
| OEM Part Number | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031 |

## Images

![OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031 - Image 1](https://m.media-amazon.com/images/I/61J2Y5FBB6L.jpg)
![OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031 - Image 2](https://m.media-amazon.com/images/I/61tCHpyBQIL.jpg)
![OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031 - Image 3](https://m.media-amazon.com/images/I/51mWyqlgiRL.jpg)
![OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031 - Image 4](https://m.media-amazon.com/images/I/51EJy8I5+LL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exactly as described
*by T***4 on July 24, 2025*

Perfect fit for my 1950s outboard motor.

### ⭐⭐⭐⭐⭐ good replacement
*by A***R on April 10, 2017*

Worked fine

## Frequently Bought Together

- OIL SEAL | GLM Part Number: 86450; Sierra Part Number: 18-2035; Mercury Part Number: 26-30900; OMC Part Number: 327031
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**Shop now:** [https://www.desertcart.is/products/212143788-oil-seal-glm-part-number-86450-sierra-part-number-18](https://www.desertcart.is/products/212143788-oil-seal-glm-part-number-86450-sierra-part-number-18)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-24*