My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Gates K040378 Multi V-Groove Serpentine Belt 37.89 Inch

(Chevrolet Silverado 1500 1999-2008, Silverado 1500 HD 2001-07, Suburban 1500 2000-08, Silverado 2500 HD 2001-08, Tahoe 2000-08 + 52 more models)

Manufacturer

Part Number

K040378
Sale Price

$22.44

In Stock (9)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Gates K040378 Micro-V Belt is a premium OE replacement serpentine belt engineered for reliable performance in demanding accessory drive applications. With an effective length of 37.89 inches and outside circumference of 38.453 inches, this belt features a 0.56-inch top width optimized for multi-groove pulley systems.

Advanced Construction Features:

  • Enhanced tensile members provide superior strength and durability
  • Reinforced rib design delivers exceptional wear and crack resistance
  • Engineered for small diameter pulleys, backside idlers, and automatic tensioners
  • Advanced construction eliminates noise and reduces tension loss
  • Solves common problem drives in serpentine and V-ribbed belt applications

Quality and Compatibility:

  • Meets or exceeds SAE J1459 industry specifications
  • Designed for water pump, alternator, and power steering applications
  • Suitable for vehicles without air conditioning systems
  • Backed by a lifetime Gates limited warranty

Gates Micro-V Belts represent decades of engineering expertise in automotive belt technology, delivering the precise fit and long-lasting performance required for modern accessory drive systems. This belt is sold individually and provides a direct OE replacement solution.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2008, Silverado 1500 HD 2001-07, Suburban 1500 2000-08, Silverado 2500 HD 2001-08, Tahoe 2000-08, Avalanche 1500 2002-06, Avalanche 2007-08, Silverado 3500 HD 2007-08, Express 3500 2003-08 + 48 more models

Number of Ribs

4

OE Comparison Rating

OE Quality (OEQ)

Outside Circumference (in)

38.453

Outside Circumference (mm)

977

Section

K

Top Width (in)

.56

Top Width (mm)

14

So far good

User friendly site with quality products on sale better price than competitors

Very fast shipping and everything was delivered correctly!!

Fast delivery and good intake manifold.

The installation instructions failed to specify the type of lubrication to be used in the unit, so I had to contact the supplier.

Easy ordering. Best price!

Great site. I received my product quickly and it was the product I ordered.

part easy to find and the process was good

Autoplicity has the best prices around! They were quick to email a confirmation of the order, shipment, and delivery. I was VERY impressed! I also received my order earlier than I thought, which is always a plus. Will definitely do business with them again! Thanks!

Good experience

Best Price on the Net for K&N System for my 2012 HEMI RAM. My Order 18270 is shipping today and I can't wait to get it installed!

Best prices online! Ordered a JBA performance exhaust and Airaid intake system for my 06 F-150. Was hesitant at first because I never heard of them but ordering was a breeze and saved me over $100 total for two items compared to anywhere else. Had package at my door in about 24 hours and even selected normal UPS ground shipping. Very satisfied and will definitely return!

Quick shipping and good communication, thanks!

First time using Autoplicity. Found some great pricing on their site. Plan on doing plenty of mods to my new truck and would definetley recommend them and would be using them again very soon.

very excellent oil the only oil that has been in my harley since it was new and it a 95 very fast shipper ordered it 19 feb and got it 22 feb

Very easy to order on line and excellent communication, very good price.

This was my first order but will definitely use them again. Best price and quick shipment.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy