---
product_id: 17117609
title: "GM Genuine Parts 12628025 Drive Belt Tensioner"
brand: "gm genuine parts"
price: "$243.72"
currency: USD
in_stock: true
reviews_count: 9
category: "Gm Genuine Parts"
url: https://www.desertcart.us/products/17117609-gm-genuine-parts-12628025-drive-belt-tensioner
store_origin: US
region: United States of America
---

# Direct fit for GM vehicles OE precision engineering Durable spring-loaded tension GM Genuine Parts 12628025 Drive Belt Tensioner

**Brand:** gm genuine parts
**Price:** $243.72
**Availability:** ✅ In Stock

## Summary

> ⚙️ Keep your GM running like new — tension perfected, performance guaranteed!

## Quick Answers

- **What is this?** GM Genuine Parts 12628025 Drive Belt Tensioner by gm genuine parts
- **How much does it cost?** $243.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/17117609-gm-genuine-parts-12628025-drive-belt-tensioner)

## 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

- • **Trusted by GM:** Backed and validated by General Motors for Chevrolet, Buick, GMC, and Cadillac models.
- • **Seamless Replacement:** Direct bolt-on fit designed for hassle-free installation on your GM vehicle.
- • **Continuous Innovation:** Incorporates the latest materials and tech updates from GM’s engineering team.
- • **Engineered for Perfection:** GM Genuine Parts ensure exact OE specifications for flawless fit and function.
- • **Spring-Loaded Reliability:** Maintains optimal serpentine belt tension to prevent slippage and extend belt life.

## Overview

The GM Genuine Parts 12628025 Drive Belt Tensioner is a spring-loaded pulley assembly engineered and rigorously tested by General Motors to maintain optimal serpentine belt tension. Designed as a direct OE replacement for Chevrolet, Buick, GMC, and Cadillac vehicles, it ensures reliable performance, durability, and seamless installation, backed by GM’s commitment to quality and innovation.

## Description

GM Genuine Parts Drive Belt Tensioner Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These assemblies are spring-loaded pulleys designed to draw tension on your vehicle's serpentine belt. 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: Works as intended - Fits 5th gen camaro with LS3.
Review: ac delco, so factory replacement - Good to go

## Features

- Helps keep drive belt at correct tension to help maintain proper function
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004JBCG0S |
| Best Sellers Rank | #302,766 in Automotive ( See Top 100 in Automotive ) #427 in Automotive Replacement Belt Tensioners |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.5 4.5 out of 5 stars (55) |
| Date First Available | January 15, 2011 |
| Exterior | Painted |
| Item Weight | 1.76 pounds |
| Item model number | 12628025 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12628025 |
| Model | Drive Belt Tensioner |
| OEM Part Number | 12628025 |
| Product Dimensions | 7.7 x 5.5 x 5.3 inches |

## Product Details

- **Belt Style:** serpentine
- **Brand:** GM GENUINE PARTS
- **Color:** Black
- **Compatible Devices:** Car
- **Manufacturer:** ACDelco

## Images

![GM Genuine Parts 12628025 Drive Belt Tensioner - Image 1](https://m.media-amazon.com/images/I/51GyDqXxXGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works as intended
*by S***G on September 14, 2024*

Fits 5th gen camaro with LS3.

### ⭐⭐⭐⭐⭐ ac delco, so factory replacement
*by J***E on May 26, 2021*

Good to go

### ⭐⭐⭐⭐⭐ Nothing better than OEM
*by M***Z on December 15, 2019*

Great quality as described

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**Shop now:** [https://www.desertcart.us/products/17117609-gm-genuine-parts-12628025-drive-belt-tensioner](https://www.desertcart.us/products/17117609-gm-genuine-parts-12628025-drive-belt-tensioner)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-17*