---
product_id: 22005634
title: "Genuine GM Fluid 12378255 Cooling System Seal Tablet - 4 Grams, (Pack of 5)"
brand: "general motors"
price: "¥3207"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/22005634-genuine-gm-fluid-12378255-cooling-system-seal-tablet-4-grams
store_origin: JP
region: Japan
---

# 4 grams per tablet Non-toxic formulation Universal vehicle compatibility Genuine GM Fluid 12378255 Cooling System Seal Tablet - 4 Grams, (Pack of 5)

**Brand:** general motors
**Price:** ¥3207
**Availability:** ✅ In Stock

## Summary

> 🚀 Seal the deal with GM's ultimate coolant solution!

## Quick Answers

- **What is this?** Genuine GM Fluid 12378255 Cooling System Seal Tablet - 4 Grams, (Pack of 5) by general motors
- **How much does it cost?** ¥3207 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/22005634-genuine-gm-fluid-12378255-cooling-system-seal-tablet-4-grams)

## Best For

- general motors enthusiasts

## Why This Product

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

## Key Features

- • **Compact Power:** Each tablet packs a punch at just 4 grams.
- • **Seal the Deal:** Non-toxic DEX-COOL compatible for peace of mind.
- • **Universal Fit:** Engineered for all vehicles, ensuring no one is left out.
- • **Lightweight Champion:** Weighs only 0.8 ounces, easy to store and use.
- • **Precision Engineering:** Crafted by GM, a name you can trust.

## Overview

The Genuine GM Fluid 12378255 Cooling System Seal Tablet is a non-toxic, DEX-COOL compatible solution designed for automotive use. Each pack contains five 4-gram tablets, perfect for sealing leaks in any vehicle's cooling system. Manufactured by General Motors, this product ensures reliability and performance, making it a must-have for any car owner.

## Description

Genuine GM Fluid 12378255 Cooling System Seal Tablet - 4 Grams, (Pack of 5)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GM |
| Brand | General Motors |
| Item Weight | 0.8 ounces |
| Product Dimensions | 6 x 4 x 0.75 inches |
| Item model number | 12378255 |
| Manufacturer Part Number | 12378255 |
| Voltage | 12 Volts |

## Images

![Genuine GM Fluid 12378255 Cooling System Seal Tablet - 4 Grams, (Pack of 5) - Image 1](https://m.media-amazon.com/images/I/71jVg3EyMRL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/22005634-genuine-gm-fluid-12378255-cooling-system-seal-tablet-4-grams](https://www.desertcart.jp/products/22005634-genuine-gm-fluid-12378255-cooling-system-seal-tablet-4-grams)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-15*