---
product_id: 379861148
title: "GM Original Equipment 10-108 (12378255) Cooling System Sealing Tabs - 4 g"
brand: "acdelco"
price: "R187"
currency: ZAR
in_stock: true
category: "Ac Delco"
url: https://www.desertcart.co.za/products/379861148-gm-original-equipment-10-108-12378255-cooling-system-sealing-tabs
store_origin: ZA
region: South Africa
---

# Blow-out resistant under engine stress High viscosity for durable sealing Pinpoint tube application for precision GM Original Equipment 10-108 (12378255) Cooling System Sealing Tabs - 4 g

**Brand:** acdelco
**Price:** R187
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal it once, seal it right — the pro’s choice for engine confidence!

## Quick Answers

- **What is this?** GM Original Equipment 10-108 (12378255) Cooling System Sealing Tabs - 4 g by acdelco
- **How much does it cost?** R187 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/379861148-gm-original-equipment-10-108-12378255-cooling-system-sealing-tabs)

## Best For

- acdelco enthusiasts

## Why This Product

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

## Key Features

- • **Oxygen Sensor Safe:** Protects sensitive engine components without interference
- • **Durable & Resistant:** Withstands engine oils, coolants, and prevents corrosion
- • **Precision Application:** Tube design ensures mess-free, exact placement every time
- • **Instant Assembly Ready:** Fill with oil or coolant immediately after application—no wait time
- • **Versatile Engine Compatibility:** Seals oil pans, manifolds, cam covers & more with ease

## Overview

GM Original Equipment 10-108 Cooling System Sealing Tabs deliver a high-viscosity, one-component RTV sealant engineered for robust, blow-out resistant sealing across multiple engine components. This oxygen sensor-safe formula cures quickly at room temperature, allowing immediate assembly with oil or coolant, ensuring professional-grade durability and corrosion resistance in a precision tube for easy application.

## Description

RTV Engine Sealant is a one-component, room-temperature vulcanizing (RTV) sealant. It is a high viscosity engine sealant that cures when exposed to air. The cured material has adhesion and elongation properties and is effective even on large gaps. It is very resistant to engine oils and coolants, will not corrode metals, and is blow-out resistant. This engine sealant is also oxygen sensor safe. This product comes in a tube for easy, pinpoint application.

## Features

- Engineered for use on a variety of engine components - effective on: oil pan, ladder frame, front and rear covers, t-joints, manifold corners, intake, manifold end seals, and cam covers
- Designed for quick and easy application, assembly may be filled with oil or coolant immediately after applying sealant and torqueing the bolts
- High viscosity product that cures when exposed to air

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0026JK8C8 |
| Auto Part Position | Front |
| Best Sellers Rank | #29,382 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Cooling & Water Pump Tools |
| Brand Name | ACDelco |
| Color | Silver |
| Country Of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,232) |
| Item Type Name | AC Delco |
| Item Weight | 0.07 Pounds |
| Manufacturer | ACDELCO |
| Material Type | Alloy Steel |
| Model | 10-108 |
| Part Interchange Info | 10-108 |
| Part Number | 10-108 |
| UPC | 036666919363 |

## Product Details

- **Auto part position:** Front
- **Brand:** ACDelco
- **Colour:** Silver
- **Material:** Alloy Steel
- **UPC:** 036666919363

## Images

![GM Original Equipment 10-108 (12378255) Cooling System Sealing Tabs - 4 g - Image 1](https://m.media-amazon.com/images/I/71bmUFAIe1L.jpg)

## Questions & Answers

**Q: Should I flush my engine oil before switching from conventional to synthetic oil or vice versa?**
A: No, it is not necessary to flush your engine when switching between motor oils. Typically, conducting a routine oil change and replacing the conventional oil with a synthetic motor oil will not require any additional maintenance.

**Q: Do I need a special oil filter for a synthetic oil?**
A: No, synthetic motor oil does not require you use a special filter. Oil filters are used based on vehicle specifications. Refer to your vehicle Owner’s Manual for guidance on what type of oil filter to use.

**Q: Is there a way to tell if my engine oil needs to be changed or is running low?**
A: Yes, if equipped, your vehicle’s oil life monitoring system will inform you when your motor oil needs to be changed. Refer to your vehicle Owner’s Manual for more specific guidelines.

**Q: Does my transmission fluid need to be changed as regularly as my oil?**
A: No, typically, transmission fluid lasts much longer than most engine oils. Refer to your vehicle Owner’s Manual to identify how often and when your transmission fluid should be changed. Severe usage and regular usage descriptions are provided.

**Q: Is there a difference between power steering fluid and transmission fluid?**
A: Yes, there is a difference. There are many types of transmission fluid. GM Genuine Parts and ACDelco recommend referring to your vehicle Owner’s Manual for fluid recommendations for all vehicle systems.

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-12*