---
product_id: 349132529
title: "AUQDD 38178 Belt Tensioner w/Pulley Assembly Fit For 04-07 Bu-ick Rainier /04-12 Chevy Colorado /02-09 Trailblazer /04-12 GMC Canyon /02-09 Envoy /06-10 Hummer H3 /03-08 Isuzu Ascender"
brand: "auqdd"
price: "VT18478"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/349132529-auqdd-38178-belt-tensioner-w-pulley-assembly-fit-for-04
store_origin: VU
region: Vanuatu
---

# Consistent torsional spring tension Direct-fit easy installation ISO/TS16949 certified precision AUQDD 38178 Belt Tensioner w/Pulley Assembly Fit For 04-07 Bu-ick Rainier /04-12 Chevy Colorado /02-09 Trailblazer /04-12 GMC Canyon /02-09 Envoy /06-10 Hummer H3 /03-08 Isuzu Ascender

**Brand:** auqdd
**Price:** VT18478
**Availability:** ✅ In Stock

## Summary

> ⚙️ Keep your engine running like a boss with precision tension and zero noise!

## Quick Answers

- **What is this?** AUQDD 38178 Belt Tensioner w/Pulley Assembly Fit For 04-07 Bu-ick Rainier /04-12 Chevy Colorado /02-09 Trailblazer /04-12 GMC Canyon /02-09 Envoy /06-10 Hummer H3 /03-08 Isuzu Ascender by auqdd
- **How much does it cost?** VT18478 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/349132529-auqdd-38178-belt-tensioner-w-pulley-assembly-fit-for-04)

## Best For

- auqdd enthusiasts

## Why This Product

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

## Key Features

- • **Silent Power Transmission:** Eliminates noisy pulley sounds for a smooth, quiet drive that commands attention.
- • **Optimized Belt Performance:** Maintains perfect tension, alignment, and damping to extend belt life and engine efficiency.
- • **Plug-and-Play Installation:** Direct replacement design means no hassle, no extra tools—get back on the road faster.
- • **Tailored Fit for Iconic Models:** Specifically engineered for 2002-2012 GM and related vehicles—because your ride deserves the best.
- • **Precision Engineered for Your Ride:** ISO/TS16949 certified manufacturing ensures OE-level quality and reliability.

## Overview

The AUQDD 38178 Belt Tensioner w/Pulley Assembly is a direct-fit replacement part designed for select 2002-2012 GM and related vehicles. Manufactured in ISO/TS16949 certified facilities, it features a torsional round spring for consistent belt tension, ensuring optimal power delivery to key engine components. Easy to install and engineered to eliminate pulley noise, this assembly guarantees superior belt alignment and durability for a smooth, reliable driving experience.

## Description

AUQDD 38178 Belt Tensioner w/Pulley Assembly Fit For 04-07 Bu-ick Rainier /04-12 Chevy Colorado /02-09 Trailblazer /04-12 GMC Canyon /02-09 Envoy /06-10 Hummer H3 /03-08 Isuzu Ascender

## Features

- FUNCTION - The replacement automatic serpentine belt tensioner pulley assembly transports power to the alternator,power steering pump,air conditioning and keeps it running smoothly and effectively.It is designed for vehicles that needs an automatic belt tensioner.The torsional round spring design provides consistent tension for maximum durability.
- FEATURES - Easy to install by direct replacement.Eliminate noisy tensioner pulley and no more belt noise.Ensures proper belt tension,alignment and damping for superior performance.
- OE QUALITY - Manufactured in ISO/TS16949 certified facilities by the advanced machines and each part is built to stringent OE specifications.Stable characteristics,High reliability.
- PERFECT FIT - Engineered and tested to match the fit,function and performance of the original tensioner on specified vehicles.It ensures proper belt tension, alignment, and damping for superior performance.Easy to install by direct replacement.
- PLEASE NOTE - Before placing the order, Please refer to the Vehicle menu (desertcartconfirmedfit) at the top left corner, select your vehicle's "Year, Make, Model" and click "Check Fit"to make sure the parts fit your car, or check the product page description to make sure it matches exactly.Any questions please free to contact us and you will get a satisfactory solution.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AUQDD |
| Brand | AUQDD |
| Model | Accessory Drive Belt Tensioner Assembly |
| Item Weight | 1.98 pounds |
| Product Dimensions | 6.3 x 4.92 x 3.15 inches |
| Item model number | 38178 |
| Exterior | Metallic Finish |
| Manufacturer Part Number | AQBT-38178 |
| OEM Part Number | 780329 12573024 24576885 38178M SK89269, 812573240 8125730240 89034219 89269FN |

## Images

![AUQDD 38178 Belt Tensioner w/Pulley Assembly Fit For 04-07 Bu-ick Rainier /04-12 Chevy Colorado /02-09 Trailblazer /04-12 GMC Canyon /02-09 Envoy /06-10 Hummer H3 /03-08 Isuzu Ascender - Image 1](https://m.media-amazon.com/images/I/51xERJPoT5L.jpg)

## Available Options

This product comes in different **Model** options.

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**Shop now:** [https://www.desertcart.vu/products/349132529-auqdd-38178-belt-tensioner-w-pulley-assembly-fit-for-04](https://www.desertcart.vu/products/349132529-auqdd-38178-belt-tensioner-w-pulley-assembly-fit-for-04)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-15*