---
product_id: 192750185
title: "GM Genuine Parts 12591866 Crankshaft Rear Oil Seal"
brand: "gm genuine parts"
price: "185.14 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Gm Genuine Parts"
url: https://www.desertcart.tn/products/192750185-gm-genuine-parts-12591866-crankshaft-rear-oil-seal
store_origin: TN
region: Tunisia
---

# Heat & pressure resistant seal OE engineered for GM vehicles Precision machined for perfect fit GM Genuine Parts 12591866 Crankshaft Rear Oil Seal

**Brand:** gm genuine parts
**Price:** 185.14 DT
**Availability:** ✅ In Stock

## Summary

> ⚙️ Seal the deal with GM Genuine Parts – because your engine deserves the best!

## Quick Answers

- **What is this?** GM Genuine Parts 12591866 Crankshaft Rear Oil Seal by gm genuine parts
- **How much does it cost?** 185.14 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/192750185-gm-genuine-parts-12591866-crankshaft-rear-oil-seal)

## Best For

- gm genuine parts enthusiasts

## Why This Product

- Trusted gm genuine parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Constant Innovation:** Regularly updated with the latest materials and tech to keep your engine running flawlessly.
- • **Safety-First Design:** Maintains compatibility with your vehicle’s safety systems—no compromises like aftermarket parts.
- • **Unmatched Durability:** Withstands extreme heat and pressure to prevent oil leaks and protect your engine’s integrity.
- • **Precision Fit Guaranteed:** Machined exterior ensures a seamless, tight seal that fits like the original part.
- • **Engineered for Peak Performance:** Designed by GM engineers to meet exact OE standards for Chevrolet, Buick, GMC, and Cadillac.

## Overview

The GM Genuine Parts 12591866 Crankshaft Rear Oil Seal is a precision-engineered, OE-certified component designed to provide a reliable, heat-resistant seal for GM vehicles. Crafted to prevent oil leaks and maintain engine safety, this part integrates the latest materials and technology updates, ensuring optimal performance and durability for Chevrolet, Buick, GMC, and Cadillac models.

## Description

Buy GM Genuine Parts 12591866 Crankshaft Rear Oil Seal: Crankshaft - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Excellent replacment part - This is a great replacement for the original seal
Review: Good part - Good

## Features

- Seals the openings on either end of the crankshaft for a tight seal
- Withstands heat and pressure to help prevent the engine from leaking oil
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
- GM regularly updates production and service part designs to integrate new materials and technologies

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GURGF1A |
| Best Sellers Rank | #624,566 in Automotive ( See Top 100 in Automotive ) #623 in Automotive Replacement Crankshaft Seals |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.6 4.6 out of 5 stars (28) |
| Date First Available | November 23, 2013 |
| Exterior | Machined |
| Item Weight | 0.64 ounces |
| Item model number | 12591866 |
| Manufacturer | GM Genuine Parts |
| Manufacturer Part Number | 12591866 |
| Model | GM Original Equipment |
| OEM Part Number | 12591866 |
| Product Dimensions | 4.4 x 4.2 x 0.9 inches |

## Images

![GM Genuine Parts 12591866 Crankshaft Rear Oil Seal - Image 1](https://m.media-amazon.com/images/I/51OmAlnkLGL.jpg)

## Questions & Answers

**Q: Este junta sirve para Cruze 2013**
A: No it does not.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent replacment part
*by B***W on November 19, 2025*

This is a great replacement for the original seal

### ⭐⭐⭐⭐⭐ Good part
*by J***E on August 29, 2025*

Good

### ⭐⭐⭐⭐⭐ Fits perfect and no leaks
*by J***R on September 30, 2024*

Fits just like OEM and stopped the oil leak. Great price and quick shipping!

## Frequently Bought Together

- GM Genuine Parts 12591866 Crankshaft Rear Oil Seal, Black
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- FEL-PRO VS 50778 R Engine Valve Cover Gasket Set for Chevrolet Equinox

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**Shop now:** [https://www.desertcart.tn/products/192750185-gm-genuine-parts-12591866-crankshaft-rear-oil-seal](https://www.desertcart.tn/products/192750185-gm-genuine-parts-12591866-crankshaft-rear-oil-seal)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-03-14*