---
product_id: 47698595
title: "GM Genuine Parts 12620318 Engine Coolant Thermostat Housing Gasket"
brand: "gm genuine parts"
price: "695 Lei"
currency: RON
in_stock: false
reviews_count: 6
url: https://www.desertcart.ro/products/47698595-gm-genuine-parts-12620318-engine-coolant-thermostat-housing-gasket
store_origin: RO
region: Romania
---

# Prevents coolant leaks OEM quality & durability Precision-engineered fit GM Genuine Parts 12620318 Engine Coolant Thermostat Housing Gasket

**Brand:** gm genuine parts
**Price:** 695 Lei
**Availability:** ❌ Out of Stock

## Summary

> 🛡️ Lock in peak engine performance with GM Genuine precision!

## Quick Answers

- **What is this?** GM Genuine Parts 12620318 Engine Coolant Thermostat Housing Gasket by gm genuine parts
- **How much does it cost?** 695 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/47698595-gm-genuine-parts-12620318-engine-coolant-thermostat-housing-gasket)

## 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

- • **GM-Approved Reliability:** Backed by General Motors, ensuring factory-grade quality and peace of mind for your GM vehicle.
- • **Lightweight Yet Durable:** At just 0.16 ounces, this gasket offers robust protection without adding bulk.
- • **Trusted by Pros & DIYers:** Highly rated with a 4.6-star average, it’s the go-to choice for reliable engine maintenance.
- • **Seamless Seal, Zero Leaks:** Engineered to perfectly seal the thermostat housing, preventing costly coolant leaks and overheating.
- • **Tailored Fit for Your Ride:** Vehicle-specific design guarantees flawless installation and optimal performance every time.

## Overview

The GM Genuine Parts 12620318 Engine Coolant Thermostat Housing Gasket is a factory-recommended, vehicle-specific seal designed to prevent coolant leaks by perfectly fitting between the thermostat housing and engine. Manufactured to GM OE standards, it offers durable, reliable performance backed by General Motors, ensuring your engine cooling system stays leak-free and efficient.

## Description

GM Genuine Parts Engine Coolant Thermostat Housing Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help seal the gap between the exterior of your vehicle's thermostat housing and engine. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Review: Gasket - Work great
Review: Good product - Sealed new thermostat perfectly

## Features

- Seals the gap between the exterior of the thermostat housing and the exterior of the engine to help prevent leakage
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
- Fit type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B010GJ8GZA |
| Best Sellers Rank | #887,998 in Automotive ( See Top 100 in Automotive ) #147 in Automotive Replacement Engine Thermostat Seals |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.6 4.6 out of 5 stars (18) |
| Date First Available | June 26, 2015 |
| Exterior | Machined |
| Item Weight | 0.16 ounces |
| Item model number | 12620318 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12620318 |
| Model | GASKET KIT |
| OEM Part Number | 12620318 |
| Package Dimensions | 3 x 3 x 0.25 inches |

## Product Details

- **Brand:** GM GENUINE PARTS
- **Global Trade Identification Number:** 00808709067009
- **Manufacturer:** ACDelco
- **UPC:** 808709067009
- **Unit Count:** 1.0 Count

## Images

![GM Genuine Parts 12620318 Engine Coolant Thermostat Housing Gasket - Image 1](https://m.media-amazon.com/images/I/51SZPT8yLbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Gasket
*by R***R on January 19, 2026*

Work great

### ⭐⭐⭐⭐⭐ Good product
*by P***K on December 23, 2025*

Sealed new thermostat perfectly

### ⭐⭐⭐ I didn't actually use this part.
*by D***S on January 18, 2026*

Didn't even use it. The thermostat came with one even though it wasn't listed in the, "what's in the box" it's a seal, I'm sure it does its job. Can say it was the correct part.

## Frequently Bought Together

- GM 12620318 Engine Coolant Thermostat Housing Gasket
- ACDelco GM Genuine Parts 15-11125 Water Pump Outlet Assembly with Thermostat
- ACDelco GM Original Equipment 213-4333 Engine Coolant Temperature Sensor

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**Shop now:** [https://www.desertcart.ro/products/47698595-gm-genuine-parts-12620318-engine-coolant-thermostat-housing-gasket](https://www.desertcart.ro/products/47698595-gm-genuine-parts-12620318-engine-coolant-thermostat-housing-gasket)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-01*