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ACDELCO 12588408 Specifications
ColorBlack
Effective Length (IN)86.42
Effective Length (MM)2195.0
Height (IN).9
Length (ft)14.25
MaterialReinforced Rubber
Top Width (IN)0.807
Top Width (MM)20.50
Weight (lb).44
Width (IN)3.75
GM Original Equipment
ACDelco GM Original Equipment Serpentine Belts allows for the operation of various pulleys and drive belt accessories with the use of a single belt, and are GM-recommended replacements for your vehicle's original components. The width and ribbed construction of the serpentine belt creates a secure point of contact with the pulley, which allows for traction.

Features & Benefits:
  • Allows for the operation of various pulleys, and drive belt accessories, with the use of a single belt
  • Creates a secure point of contact with the pulley, which allows for traction
  • GM-recommended replacement part for your GM vehicle's original factory component, offering the quality, reliability, and durability of GM OE
Service Tip: Always replace belts and tensioners together. Old tensioners will reduce a belt's lifespan, and can lead to issues such as overheating, a dead battery, diminished power steering, or poor air conditioning performance.
Which Belt Is Right For You?

Type Durability Quiet Operation Performance
Economy
Standard Replacement
★★ ★★★ ★★
Heavy Duty
★★★ ★★ ★★★
High Performance
★★ ★★★ ★★★
Videos

Information About Serpentine Belts

ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.

GM ORIGINAL EQUIPMENT
GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDELCO GOLD (PROFESSIONAL)
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.



Warranty Information:
Limited Lifetime
Warranty Details