Why is it important to have belts and hoses replaced periodically?

If a drivebelt or radiator coolant hose fails while driving, you won’t be able to continue driving — and additional engine damage may occur if the engine overheats.

How long do belts and hoses typically last?

Lifespans of belts and hoses vary based on factors including the climate and driving habits, but generally a drivebelt (also known as a serpentine belt) lasts about 50,000-100,00 miles, while radiator coolant hoses can last about five years.

What are signs the drivebelt needs replacement?

A worn drivebelt can slip while the engine is running, causing high-pitched squealing or chirping sounds. Additionally, it can show cracks and fraying around the edges or a glazed (shiny) appearance. They’re signs it’s time to change the belt.

What about the tensioner pulley?

The tensioner pulley complements the drivebelt and is also subject to wear and possible replacement. Signs it may need replacement include squealing sounds or, if the bearing is failing, a grinding sound while the engine is running.

What are signs of a failing radiator hose?

A worn or failing radiator coolant hose often develops cracks that lead to leaks. Evidence for that includes drips or puddles beneath the radiator or engine, along with the odor of coolant. The engine may also overheat.

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ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly

ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly

Product ID: 225522496

Details

Brand
ACDelco
Material
Aluminum
Belt Style
serpentine
Compatible Devices
Vehicles
Colour
Aluminum w/

🔧OE-spec fit & function

🚗Universal GM & multi-make compatibility

⚙️Precision aluminum build

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3303472₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Keep your drive smooth and tension tight—because your ride deserves the best!

LIGHTWEIGHT YET DURABLE - Machined aluminum construction ensures strength without added bulk
VERSATILE COMPATIBILITY - Designed for GM vehicles and most makes/models, including special applications
PLUG AND PLAY INSTALLATION - No assembly required—get back on the road faster with hassle-free setup
PREMIUM OE QUALITY ASSURANCE - Manufactured to exact General Motors specifications for perfect fit and durability
ENGINEERED FOR PEAK PERFORMANCE - Maintains optimal serpentine belt tension for smooth, reliable operation

The ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly is a premium aftermarket replacement part crafted from machined aluminum. Engineered to meet or exceed General Motors' original equipment specifications, it ensures precise serpentine belt tension for optimal vehicle performance. Compatible with a wide range of GM and other vehicle models, this lightweight, no-assembly-required tensioner delivers reliable durability and seamless installation backed by GM quality standards.

Specifications

ASIN	B000C9PFJK
Belt Style	serpentine belt
Brand	ACDelco
Brand Name	ACDelco
Colour	Aluminum w/ Black Pulley
Compatible Devices	Vehicles
Customer Reviews	4.6 out of 5 stars 2,445 Reviews
Global Trade Identification Number	00021625584454
Included Components	Drive Belt Tensioner
Item Type Name	Drive Belt Tensioner
Item Weight	454 g
Manufacturer	ACDelco
Material	Aluminum
Material Type	Aluminum
Part Number	88929140
Style Number	38158
UPC	021625584454
Unit Count	1.0 Count
Warranty Description	Limited Lifetime Warranty (Parts Only). Please see ACDelco.com for more details.

Reviews

J**E

24.04.2024

A**M

9.02.2023

S**E

30.07.2025

T**G

22.02.2026

K**I

7.04.2026

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