---
product_id: 777536060
title: "ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket"
brand: "gm genuine parts"
price: "¥14078"
currency: JPY
in_stock: true
reviews_count: 5
category: "Gm Genuine Parts"
url: https://www.desertcart.jp/products/777536060-acdelco-12620318-gm-original-equipment-engine-coolant-thermostat-housing-gasket
store_origin: JP
region: Japan
---

# Leak-proof seal Durable engine-grade material Precision GM OE fit ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket

**Brand:** gm genuine parts
**Price:** ¥14078
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with GM precision – don’t let leaks slow you down!

## Quick Answers

- **What is this?** ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket by gm genuine parts
- **How much does it cost?** ¥14078 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/777536060-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

- • **Built to Last:** Crafted from durable materials ensuring long-lasting performance under extreme conditions.
- • **Flawless GM OE Fit:** Engineered to GM specifications for perfect compatibility and hassle-free installation.
- • **Trusted GM Quality:** Genuine ACDelco part delivering the reliability and durability you expect from GM.
- • **Leak-Resistant Seal:** Seals the thermostat housing gap to prevent coolant leaks and maintain optimal engine temperature.
- • **Lightweight & Compact:** Minimal weight (4.54g) and compact size for efficient engine integration without added bulk.

## Overview

The ACDelco 12620318 GM Original Equipment Engine Coolant Thermostat Housing Gasket is a genuine GM replacement part designed to perfectly seal the thermostat housing to the engine, preventing coolant leaks. Manufactured to exact GM OE specifications, it guarantees reliable fit, durability, and long service life, ensuring your vehicle’s cooling system performs at its best.

## Description

An ACDelco GM Original Equipment Engine Coolant Thermostat Housing Gasket is a GM-recommended replacement for your vehicle’s original component. It seals the gap between the exterior of the thermostat housing and the exterior of the engine. This original equipment engine coolant thermostat housing gasket has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

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
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B010GJ8GZA |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.7 out of 5 stars 19 Reviews |
| Global Trade Identification Number | 00808709067009 |
| Item Weight | 45 g |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12620318 |
| Model Number | 12620318 |
| UPC | 808709067009 |

## Product Details

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

## Images

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

## Customer Reviews

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

Work great

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

Sealed new thermostat perfectly

### ⭐⭐⭐ I didn't actually use this part.
*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.jp/products/777536060-acdelco-12620318-gm-original-equipment-engine-coolant-thermostat-housing-gasket](https://www.desertcart.jp/products/777536060-acdelco-12620318-gm-original-equipment-engine-coolant-thermostat-housing-gasket)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-01*