ACDelco® K040378HD - Specialty™ Heavy Duty V-Ribbed Serpentine Belt

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In Stock (704) - Ships Tomorrow 02.23.24
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Product Details

Specialty™ Heavy Duty V-Ribbed Serpentine Belt (K040378HD) by ACDelco®. Length: 37.89". Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.


Color: Green, Black
Effective Length: 37.89"
Effective Length: 962 mm
Material: Reinforced EPDM Rubber
Outside Circumference: 38.45
Outside Circumference: 977 mm
Rib Quantity: 4
Top Width: 0.560"
Top Width: 14.00 mm


  • Made with precision and quality in mind
  • Designed to meet your specific needs
  • Manufactured to meet or exceed strict quality requirements
  • Designed to deliver trouble-free, consistent performance

ACDelco®, a brand of GM Customer Care and Aftersales, is a global automotive manufacturer of premium replacement parts for almost all vehicle systems as well as off-road, industrial, and marine equipment. With more than hundred years of manufacturing experience, the company offers an extensive line of brake pads and rotors, belts and hoses, shocks and struts, alternators and starters, thermostats and caps, fuel pumps, and many more trustworthy and top-quality products.

Part Number:

Vehicle Fitment

W-Series 2003-2008
W-Series 2003-2007
N-Series 2004-2007
P-Series 2004-2005
W-Series 2007-2009
W42 2007-2009


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ACDelco® K040378HD - Specialty™ Heavy Duty V-Ribbed Serpentine Belt

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