ACDelco GM Original Equipment 12626076 V-Ribbed Serpentine Belt - OE

In this review of the ACDelco GM Original Equipment 12626076 serpentine belt, the bottom line is clear: this is a direct-fit replacement for GM vehicles that need a reliable, quiet drive belt. The review focuses on fit, durability, and compatibility with GM pulleys and accessories, and concludes the belt is best for owners seeking an OE-validated part that restores factory traction and operation. It is particularly compelling for owners who value a part designed and validated by GM engineers for Chevrolet, Buick, GMC, and Cadillac vehicles.

Key Features

• OE design: Designed and validated by GM engineers to match the original equipment specification for fit and function.
• Single-belt operation: Drives multiple pulleys and accessories using one belt to simplify maintenance and restore factory routing.
• Ribbed construction: The width and V-ribbed profile create a secure contact with pulleys for consistent traction and reduced slipping.
• Backed by General Motors: Engineered and tested to rigorous standards and supported as a true OE replacement for GM vehicles.
• Quiet operation: Customers report the belt runs quietly when properly installed, reducing drivetrain noise.
• Updated materials: Uses GM production updates where applicable to integrate improved materials and technologies.

Who It's For

This serpentine belt is aimed at Chevrolet, Buick, GMC, and Cadillac owners who prefer original equipment parts or need a direct-fit replacement that meets factory safety and performance expectations. It is a good choice for DIY mechanics replacing a worn belt or for technicians performing routine service where OE validation matters.

Those who should look elsewhere include owners of non-GM vehicles or shoppers seeking a universal aftermarket belt without OE validation. If an application requires a non-standard size or a specialty belt type, consult vehicle specifications before purchasing.

Pros & Cons

Pros

• Fits as expected on GM applications, providing correct routing and tension when installed.
• High perceived quality and quiet operation compared with older or worn belts.
• OE validation gives confidence that the part works with GM safety and system designs.
• Good value for owners who prefer genuine or validated replacement parts.

Cons

• Only appropriate for GM-specified applications; not a universal solution for non-GM vehicles.
• Replacement requires correct size and routing, so accidental purchase of the wrong length will necessitate exchange.

Specifications

Brand	ACDelco
Part number	12626076
Type	V-ribbed serpentine belt
Fitment validation	GM Original Equipment / validated by General Motors
Function	Drives multiple pulleys and drive belt accessories
Design feature	Ribbed construction for secure pulley contact

Our Verdict

The ACDelco GM Original Equipment 12626076 is a sensible buy for GM owners who want a direct-replacement serpentine belt that restores factory performance and quiet operation. It offers OE confidence and good value for routine service or DIY replacement, provided the buyer confirms exact fitment for their specific GM vehicle.

Frequently Asked Questions

Is this belt an original equipment part?
Yes, it is an ACDelco GM Original Equipment part that is designed and validated by General Motors for GM vehicles.

Will this fit non-GM vehicles?
This belt is intended for GM-specified applications; check vehicle compatibility before purchasing if your vehicle is not a Chevrolet, Buick, GMC, or Cadillac.

Does the belt reduce noise?
Customers report quiet operation when the belt is correctly installed and tensions are set per manufacturer specs.