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 GM Original Equipment 12669858 V-Ribbed Serpentine Belt

ACDelco GM Original Equipment 12669858 V-Ribbed Serpentine Belt

Product ID: 342174129

Details

Belt Style
Ribbed Belt
Brand
ACDelco
Compatible Devices
Car
Material
Ethylene Diene
Product Dimensions
25.06"L x

🔧Precision fit for Chevrolet, Buick, GMC, Cadillac

⚙️Ribbed design for max pulley grip

🛡️OE-certified for GM vehicle safety

60895CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Drive with confidence, powered by precision engineering.

LIFETIME CONFIDENCE - Backed by a limited lifetime warranty to keep your ride running smooth.
DURABLE EPDM MATERIAL - Crafted from high-grade Ethylene Propylene Diene Monomer for long-lasting performance.
SEAMLESS POWER DELIVERY - Single ribbed belt drives multiple accessories with flawless traction.
GM ENGINEERED RELIABILITY - Designed and validated by GM engineers for perfect OEM compatibility.
SAFETY FIRST CONSTRUCTION - Meets strict OE safety standards, unlike generic aftermarket belts.

The ACDelco GM Original Equipment 12669858 V-Ribbed Serpentine Belt is a premium, OE-certified replacement belt engineered specifically for GM vehicles including Chevrolet, Buick, GMC, and Cadillac. Featuring a ribbed design for superior pulley traction and constructed from durable EPDM material, it ensures reliable operation of multiple engine accessories with a perfect factory fit. Backed by GM validation and a limited lifetime warranty, this belt offers professional-grade performance and peace of mind.

Specifications

ASIN	B07J6PB432
Belt Style	Ribbed Belt
Best Sellers Rank	#17,191 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Replacement Serpentine Belts
Brand	ACDelco
Brand Name	ACDelco
Color	Black
Compatible Devices	Car
Customer Reviews	4.7 out of 5 stars 272 Reviews
Included Components	Serpentine Belt
Item Dimensions L x W	25.06"L x 0.88"W
Item Type Name	Drive Belts - GM,Drive Belts - GM
Item Weight	2.56 ounces
Manufacturer	ACDelco
Material	Ethylene Propylene Diene Monomer (EPDM)
Material Type	Ethylene Propylene Diene Monomer (EPDM)
Part Number	12669858
Product Dimensions	25.06"L x 0.88"W
Style Number	12669858
UPC	808709822493
Unit Count	1 Count
Warranty Description	Limited Lifetime Warranty (Parts Only). Please see ACDelco.com forámore details

Reviews

M**E

Accessory belt only, not A/C belt

Perfect fit for my 2019 Silverado, this is the accessories belt, not A/C.

2.05.2026

A**C

Saved me time and money

Worked great. Better than paying the dealership the $$$$ to swap it out.

16.03.2026

K**S

Great Replacement!!!

It was a direct fit. Great replacement!!!

25.04.2026

S**N

Genuine AC delco. Don't forget tool.

OE part. Came quick. Install is tricky with these engines that don't have tensioners. Need the tool. But you should be replacing your AC belt at the same time and that one came with the tool.

11.04.2026

S**I

easy

This belt was a perfect fit for my 2019+ Silverado 5.3L. Just make sure you have the belt install tool from Lisle; that made it super easy.

27.04.2026

S**Y

Got the job done.....

The right part for the right vehicle. 2021 Chevrolet Silverado Trail Boss 6.2L

30.04.2026

J**F

OE replacement

OEM replacement

2.07.2026

M**S

Great product oem part

Oem part

29.04.2026

A**Z

Buena compra

Excelente articulo

27.07.2023

J**.

So far so good

Replaced mine easy as pie. No squeals so far. Eliminated my squealing issue immediately.

30.10.2024

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TrustScore 4.5 | 7,300+ reviews

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