---
product_id: 125654046
title: "GM Genuine Parts 12670574 Drive Belt Tensioner"
brand: "gm genuine parts"
price: "$138.30"
currency: USD
in_stock: true
reviews_count: 10
category: "Gm Genuine Parts"
url: https://www.desertcart.us/products/125654046-gm-genuine-parts-12670574-drive-belt-tensioner
store_origin: US
region: United States of America
---

# Direct fit, easy install OE precision engineering Durability tested & GM-backed GM Genuine Parts 12670574 Drive Belt Tensioner

**Brand:** gm genuine parts
**Price:** $138.30
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** GM Genuine Parts 12670574 Drive Belt Tensioner by gm genuine parts
- **How much does it cost?** $138.30 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/125654046-gm-genuine-parts-12670574-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

- • **OEM Quality Assurance:** True OE part formerly known as ACDelco GM Original Equipment, guaranteeing factory-level reliability.
- • **Effortless Installation:** Spring-loaded pulley design allows quick, hassle-free replacement to keep your serpentine belt tension optimal.
- • **Upgrade with Confidence:** Regularly updated with new materials and tech to keep your vehicle running smoothly and quietly.
- • **Durability You Can Trust:** Built to rigorous GM standards and tested for long-lasting performance, reducing maintenance frequency.
- • **Precision Engineered for Your GM:** Designed and validated by GM engineers to ensure perfect fit and function for Chevrolet, Buick, GMC, and Cadillac vehicles.

## Overview

The GM Genuine Parts 12670574 Drive Belt Tensioner is a factory-engineered, spring-loaded pulley assembly designed to maintain optimal serpentine belt tension. Backed by General Motors and built to rigorous OE standards, it ensures reliable, quiet operation and a direct fit for Chevrolet, Buick, GMC, and Cadillac vehicles. Trusted by thousands with a 4.8-star rating, this tensioner integrates the latest materials and technology for long-lasting durability and performance.

## 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: Good GM Part Good Price - Good GM Part, great price discounted for packaging damage, went on easy, quieted front of motor down with this and new serpentine. Went on my 2015 Silverado 1500 5.3 all stock with 130K miles on the original parts. All good 👍👍!
Review: Very good product, 2015 Chevy Tahoe - 2015 Chevy Tahoe, very good product, working for 6 months and it's perfect, I recommend it.

## 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 | B01M1B18MY |
| Best Sellers Rank | #34,818 in Automotive ( See Top 100 in Automotive ) #17 in Automotive Replacement Belt Tensioners |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.8 4.8 out of 5 stars (212) |
| Date First Available | October 2, 2016 |
| Exterior | Machined |
| Item Weight | 2.14 pounds |
| Item model number | 12670574 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12670574 |
| Model | Tensioner Asm-Drv Belt |
| OEM Part Number | 12670574 |
| Product Dimensions | 5 x 9 x 3 inches |

## Product Details

- **Belt Style:** serpentine
- **Brand:** GM GENUINE PARTS
- **Color:** Black
- **Item Weight:** 2.1 Pounds
- **Material:** Rubber

## Images

![GM Genuine Parts 12670574 Drive Belt Tensioner - Image 1](https://m.media-amazon.com/images/I/51JXJn52scL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good GM Part Good Price
*by A***E on November 13, 2025*

Good GM Part, great price discounted for packaging damage, went on easy, quieted front of motor down with this and new serpentine. Went on my 2015 Silverado 1500 5.3 all stock with 130K miles on the original parts. All good 👍👍!

### ⭐⭐⭐⭐⭐ Very good product, 2015 Chevy Tahoe
*by D***S on December 18, 2025*

2015 Chevy Tahoe, very good product, working for 6 months and it's perfect, I recommend it.

### ⭐⭐⭐⭐⭐ Original GM part.
*by A***R on January 24, 2026*

Exact GM quality replacement belt tensioner.

## Frequently Bought Together

- GM Genuine Parts 12670574 Drive Belt Tensioner
- ACDelco GM Original Equipment 12626076 V-Ribbed Serpentine Belt
- ACDelco GM Original Equipment 12643517 Vacuum Pump Belt, Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/125654046-gm-genuine-parts-12670574-drive-belt-tensioner](https://www.desertcart.us/products/125654046-gm-genuine-parts-12670574-drive-belt-tensioner)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-23*