ACDelco K040378HD | Serpentine Belt

Part Number

K040378HD

Serpentine Belt

Fits: Acura SLX, Cadillac Escalade, Cadillac Escalade ESV, Cadillac Escalade EXT, Chevrolet Avalanche, Chevrolet Avalanche 1500, Chevrolet Cargo Van, Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, Chevrolet Silverado 1500 HD, Chevrolet Silverado 1500 HD Classic, Chevrolet Silverado 2500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 2500 HD Classic, Chevrolet Silverado 3500, Chevrolet Silverado 3500 Classic, Chevrolet Silverado 3500 HD, Chevrolet Sonora, Chevrolet Suburban 1500, Chevrolet Suburban 2500, Chevrolet Tahoe, Chevrolet W3500 Tiltmaster, Chevrolet W4500 Tiltmaster, GMC Savana 1500, GMC Savana 2500, GMC Savana 3500, GMC Savana 4500, GMC Sierra, GMC Sierra 1500, GMC Sierra 1500 Classic, GMC Sierra 1500 HD, GMC Sierra 1500 HD Classic, GMC Sierra 2500, GMC Sierra 2500 HD, GMC Sierra 2500 HD Classic, GMC Sierra 3500

Special Price $35.62 Regular Price $41.91

---------OR---------

In stock

Estimated Ship Date: 1 Business Day or Less

Skip to the end of the images gallery

Skip to the beginning of the images gallery

Details

ACDelco Specialty Heavy Duty V-Belts have a patented EPDM rubber construction that helps provides peak performance at extreme, prolonged operating temperatures and a distinct, green gum stock built into the overcord for increased durability in heavy duty drives. ? WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

BRAND: ACDelco

FEATURES:

Acura;Cadillac;Chevrolet;Chevrolet;GMC;GMC;Honda;Hummer;Isuzu;Workhorse;Workhorse Custom Chassis
Heavy duty construction helps resist cracking and wear
Oil and heat resistant
Patented material helps provide peak performance at extreme, prolonged operating temperatures
Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys

SPECIFICS:

Color	Green/Black
FAQ - Answer 1	No. Knowing whether you have a manual tensioner versus an automatic tensioner is critical information as well as the type of belt used in the system The belt listed for your application is sized specific for that application. Any altering of the belt size in the drive system can lead to noise, premature wear and possible system damage.
FAQ - Question 1	Can I use a belt that is close to the correct size, but not the exact size?
Good Maintenance Practices - Section 1 - Bullet 1	Do not use belt dressings to stop belt slippage or noise. These are oil based and may cause belt deterioration.
Good Maintenance Practices - Section 1 - Bullet 2	Never twist a belt more than 90 degrees during inspection. This may damage the tensile cords and cause premature failure.
Good Maintenance Practices - Section 1 - Bullet 3	Replace belt per your equipment's owner's manual.
Good Maintenance Practices - Section 1 - Bullet 4	Use an approved tension gauge to check belt tension.
Good Maintenance Practices - Section 1 - Bullet 5	Check for proper belt tension per your equipment's owner's manual.
Material	Reinforced EPDM Rubber
Measurements	9/16 in x 38 1/2
Programming Required	No
Rib Quantity	4
Signs of Wear & Troubleshooting - Section 1 - Bullet 1	Material loss
Signs of Wear & Troubleshooting - Section 1 - Bullet 2	Glazing on belt
Signs of Wear & Troubleshooting - Section 1 - Bullet 3	Pilling, abrasion, or cracking belt
Signs of Wear & Troubleshooting - Section 1 - Bullet 4	Squealing noise from belt
Signs of Wear & Troubleshooting - Section 1 - Bullet 5	Engine stoppings or backfiring
Signs of Wear & Troubleshooting - Section 1 - Bullet 6	Loss of battery charge
Signs of Wear & Troubleshooting - Section 1 - Header	Signs of wear include but are not limited to:

DOWNLOADS:

APPLICATIONS:

2003-2008 Chevrolet Express 2500 - Position: Air Conditioning
2002-2008 Cadillac Escalade EXT - Position: Air Conditioning
2004-2004 Chevrolet Cargo Van - Position: Air Conditioning
2003-2007 GMC W4500 Forward - Position: Air Conditioning
2003-2008 Cadillac Escalade ESV - Position: Air Conditioning
2000-2008 GMC Yukon XL 2500 - Position: Air Conditioning
2007-2007 Chevrolet Silverado 1500 Classic - Position: Air Conditioning
2007-2008 GMC Sierra - Position: Air Conditioning
2005-2006 GMC Sierra 1500 HD - Position: Air Conditioning
2003-2008 Chevrolet W4500 Tiltmaster - Position: Air Conditioning
1999-2008 Chevrolet Silverado 1500 - Position: Air Conditioning
2000-2008 GMC Yukon - Position: Air Conditioning
2001-2003 Chevrolet Silverado 1500 HD - Position: Air Conditioning
2004-2008 Chevrolet W3500 Tiltmaster - Position: Air Conditioning
2000-2008 Chevrolet Suburban 1500 - Position: Air Conditioning
2000-2008 Chevrolet Suburban 2500 - Position: Air Conditioning
2003-2003 Chevrolet Sonora - Position: Air Conditioning
2009-2010 GMC Savana 4500 - Position: Air Conditioning
2003-2008 Chevrolet Express 3500 - Position: Air Conditioning
2007-2007 GMC Sierra 1500 HD Classic - Position: Air Conditioning
2004-2007 Isuzu NPR-HD - Position: Air Conditioning
2007-2009 Workhorse W42 - Position: Air Conditioning
2003-2008 Hummer H2 - Position: Air Conditioning
2007-2007 GMC Sierra 1500 Classic - Position: Air Conditioning
2002-2008 Cadillac Escalade - Position: Air Conditioning
2001-2006 GMC Sierra 3500 - Position: Air Conditioning
2007-2007 Chevrolet Silverado 1500 HD Classic - Position: Air Conditioning
2000-2008 Chevrolet Tahoe - Position: Air Conditioning
2001-2008 Chevrolet Silverado 2500 HD - Position: Air Conditioning
2007-2007 Chevrolet Silverado 3500 Classic - Position: Air Conditioning
2001-2003 GMC Sierra 1500 HD - Position: Air Conditioning
2007-2009 Workhorse Custom Chassis W42 - Position: Air Conditioning
2008-2008 Chevrolet Silverado 3500 - Position: Air Conditioning
2004-2007 GMC W3500 Forward - Position: Air Conditioning
2007-2007 Chevrolet Silverado 2500 HD Classic - Position: Air Conditioning
2001-2006 Chevrolet Silverado 3500 - Position: Air Conditioning
1999-2008 Chevrolet Silverado 2500 - Position: Air Conditioning
2003-2008 GMC Savana 1500 - Position: Air Conditioning
1996-1997 Acura SLX - Position: Fan and Alternator
2007-2008 Chevrolet Avalanche - Position: Air Conditioning
2003-2008 Chevrolet Express 1500 - Position: Air Conditioning
2007-2008 GMC Sierra 3500 HD - Position: Air Conditioning
2007-2007 GMC Sierra 3500 Classic - Position: Air Conditioning
2004-2005 Workhorse Custom Chassis P42 - Position: Air Conditioning
2007-2007 GMC Sierra 2500 HD Classic - Position: Air Conditioning
2000-2008 GMC Yukon XL 1500 - Position: Air Conditioning
1999-2004 GMC Sierra 2500 - Position: Air Conditioning
2004-2007 Isuzu NPR - Position: Air Conditioning
2002-2006 Chevrolet Avalanche 1500 - Position: Air Conditioning
2007-2008 Chevrolet Silverado 3500 HD - Position: Air Conditioning
2003-2008 GMC Savana 3500 - Position: Air Conditioning
1999-2008 GMC Sierra 1500 - Position: Air Conditioning
2005-2006 Chevrolet Silverado 1500 HD - Position: Air Conditioning
2003-2008 GMC Savana 2500 - Position: Air Conditioning
1997-1997 Honda Passport - Position: Fan and Alternator
2001-2008 GMC Sierra 2500 HD - Position: Air Conditioning

Product Questions (7)

Customer Questions

Does AC Delco make Ford parts?

No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.

Can I use AC Delco parts to replace OEM parts?

Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.

What AC Delco oil filter do I need?

AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.

Can a serpentine belt cause smoke?

Yes, a serpentine belt can cause smoke. A serpentine belt is an essential component of a vehicle's engine system. It drives various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. If the serpentine belt becomes worn, damaged, or misaligned, it can cause friction and generate smoke.

Why is my serpentine belt squealing?

The serpentine belt can squeal due to various reasons, including tension issues, worn-out belt, or a problem with the belt's pulleys.

Is my serpentine belt too tight?

If your serpentine belt is causing issues like excessive noise or accelerated wear on the pulleys, it may indicate that the belt is too tight.

Why did my serpentine belt come off?

Serpentine belts can come off due to factors such as belt wear, improper tension, misaligned pulleys, or a faulty tensioner.