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.

Acdelco Professional 20382s Molded Upper Radiator Hose

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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₩64844

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Upgrade your cooling game with ACDelco’s Gold standard hose—fit, durability, and peace of mind in one!

PRECISION OE FIT - Protective sleeve replicates GM original equipment design for flawless installation and performance.
VERSATILE FIT RANGE - Inside diameters from 1/4 to 1 inch accommodate a wide variety of vehicle models.
EFFORTLESS INSTALLATION - Molded design installs without buckling or bending, saving you time and hassle.
VACUUM COLLAPSE DEFENSE - Re-engineered materials resist vacuum collapse, eliminating the need for internal springs.
ENGINEERED FOR ENDURANCE - Heat and ozone resistant cover extends hose lifespan, keeping your ride cool under pressure.

The ACDelco Professional 20382S Molded Upper Radiator Hose is a premium replacement part designed to meet or exceed GM OE standards. Featuring a heat and ozone resistant cover, a protective sleeve for precise fit, and advanced materials that resist vacuum collapse, this hose ensures reliable cooling system performance. Its molded design allows for easy installation without deformation, fitting a range of vehicle diameters. Backed by a 4.7-star rating and trusted by professionals, it’s the smart choice for maintaining engine temperature stability and durability.

Specifications

ASIN	B000C9I0HE
Best Sellers Rank	#101,067 in Automotive ( See Top 100 in Automotive ) #116 in Car Radiator Hoses
Brand	ACDelco
Brand Name	ACDelco
Color	Gold
Colour	Gold
Country of Publication	USA
Customer Reviews	4.7 out of 5 stars 267 Reviews
Global Trade Identification Number	00021625583952
Included Components	ACDelco - Upper Molded Co (B) (20382S)
Item Length	257 Millimeters
Item Type Name	ACDelco - Upper Molded Co (B) (20382S)
Item length	257 Millimeters
Manufacturer	ACDelco
Material	Rubber
Material Type	Rubber
UPC	021625583952
Unit Count	1.0 Count

Reviews

J**N

Genuine AC Delco

Very happy. Genuine AC Delco upper radiator hose. It fit perfectly for my 2007 Chevy Trailblazer and great price. Was not able to find from any local parts store.

31.08.2023

J**S

Best out there

I installed the ACDelco Gold 20382S Molded Upper Radiator Hose during a cooling system refresh, and it fit perfectly without any trimming or modifications. The molded design matched the factory routing exactly, making installation quick and hassle-free. The rubber feels thick and durable, and the hose clamps seated securely with no leaks after installation. After several weeks of driving, including highway trips and stop-and-go traffic, the hose has performed flawlessly. Engine temperatures remain stable, and there are no signs of swelling, cracking, or coolant seepage. ACDelco’s Gold series is designed as a premium aftermarket replacement with materials intended to resist electrochemical degradation and provide an OE-style fit. Overall, this is a high-quality replacement hose that offers excellent fitment, durability, and peace of mind. If you’re replacing a worn or aging upper radiator hose, the ACDelco Gold 20382S is a dependable choice that installs easily and performs exactly as expected.

6.06.2026

J**N

Correct fit.

2006 Trailblazer w/4.3L. Perfect fit, molded to OE shape.

28.06.2026

D**L

Fit 2003 GMC envoy

Direct fit otherwise great price for great product

22.11.2025

Z**1

Seems same as original equipment.

Perfect fit!

19.01.2026

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₩64844

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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