---
product_id: 420886073
title: "ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket"
brand: "gm genuine parts"
price: "197 Lei"
currency: RON
in_stock: false
reviews_count: 5
category: "Gm Genuine Parts"
url: https://www.desertcart.ro/products/420886073-acdelco-12620318-gm-original-equipment-engine-coolant-thermostat-housing-gasket
store_origin: RO
region: Romania
---

# GM OE precision fit Leak-proof seal Made in USA quality ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket

**Brand:** gm genuine parts
**Price:** 197 Lei
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Seal the deal with GM precision and never miss a beat under the hood!

## Quick Answers

- **What is this?** ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket by gm genuine parts
- **How much does it cost?** 197 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/420886073-acdelco-12620318-gm-original-equipment-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

- • **Durable & Reliable:** Built to last with premium materials ensuring long-term durability under extreme conditions.
- • **Leak-Resistant Seal:** Seals thermostat housing perfectly to prevent coolant leaks and maintain engine efficiency.
- • **Precision GM OE Fit:** Engineered to GM original equipment specs for flawless compatibility and performance.
- • **Effortless Installation:** No assembly required—get your cooling system back in top shape quickly and hassle-free.
- • **Trusted GM Genuine Part:** Recommended replacement part by GM for maintaining your vehicle’s factory integrity.

## Overview

The ACDelco 12620318 thermostat housing gasket is a GM-recommended, USA-made replacement part designed to provide a perfect seal between the thermostat housing and engine. Manufactured to exact GM OE specifications, it ensures leak-proof performance, durability, and easy installation, making it an essential upgrade for maintaining your GM vehicle’s cooling system integrity.

## Description

THERMOSTAT GASKET

Review: Work great
Review: 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B010GJ8GZA |
| Assembly Required | No |
| Brand | GM GENUINE PARTS |
| Country of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (18) |
| Date First Available | 20 October 2016 |
| Item Weight | 4.54 g |
| Item model number | 12620318 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12620318 |
| Net Quantity | 1.0 Count |
| OEM Part Number | 12620318 |
| Package Dimensions | 7.62 x 7.62 x 0.63 cm; 4.54 g |
| Volume | 9 Cubic Inches |

## Product Details

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

## Images

![ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket - Image 1](https://m.media-amazon.com/images/I/21O-NpmfQeL.jpg)
![ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket - Image 2](https://m.media-amazon.com/images/I/51SZPT8yLbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***R on 19 January 2026*

Work great

### ⭐⭐⭐⭐⭐ Review
*by P***K on 23 December 2025*

Sealed new thermostat perfectly

### ⭐⭐⭐ Review
*by D***S on 18 January 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/420886073-acdelco-12620318-gm-original-equipment-engine-coolant-thermostat-housing-gasket](https://www.desertcart.ro/products/420886073-acdelco-12620318-gm-original-equipment-engine-coolant-thermostat-housing-gasket)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-08*