HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates K080770HD Serpentine Belt - Alternator or Fan
Part #: K080770HD

Gates K080770HD Serpentine Belt - Alternator or Fan

Fan and Alternator
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$57.39Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Heavy Duty Serpentine Belt for Automotive Applications

The Gates FleetRunner Heavy Duty Micro-V Belt K080770HD is engineered to provide durable and consistent performance in demanding automotive environments. Designed with robust materials and precise dimensions, this serpentine belt supports accessory drive systems in various vehicle makes and models.

  • Top width: 1.087 inches (28 mm)
  • Effective length: 77 inches (1956 mm)
  • Outside circumference: 77.5 inches (1969 mm)
  • 8 ribs for optimal grip and power transmission
  • Belt material: EPDM for enhanced heat and wear resistance
  • Cord material: Polyester for strength and flexibility
  • Cross section designation: K
  • OE comparison rating: OE improved

About the FleetRunner Heavy Duty Micro-V Belt Line

The FleetRunner Heavy Duty Micro-V Belt line by Gates is designed specifically for commercial and heavy-duty automotive applications. This product line focuses on delivering extended belt life and reliable performance under high load and temperature conditions. The K080770HD model exemplifies these qualities with its EPDM construction and polyester cords, making it suitable for vehicles requiring a heavy-duty serpentine belt solution.

Product Details and Specifications

The K080770HD serpentine belt features a top width of 1.087 inches (28 mm) and an effective length of 77 inches (1956 mm), with an outside circumference of 77.5 inches (1969 mm). Its 8-rib design ensures efficient power transfer to accessory components such as alternators, power steering pumps, and air conditioning compressors. The EPDM belt material offers resistance to heat, ozone, and wear, while the polyester cord material provides tensile strength and flexibility. This belt is classified under the K cross section designation and is rated as OE improved, indicating enhanced durability compared to original equipment belts.

Common Applications and Problem Solving

  • Replacement for worn or cracked serpentine belts in heavy-duty vehicles
  • Addresses slipping or squealing belts due to material degradation
  • Prevents accessory drive failures caused by belt breakage
  • Improves belt longevity in high-temperature engine compartments
  • Suitable for vehicles requiring an 8-rib heavy-duty Micro-V belt

Installation Notes and Tips

Ensure the belt routing matches the vehicle manufacturer’s specifications before installation. Inspect pulleys and tensioners for wear or damage to avoid premature belt failure. Proper tensioning is critical; use a belt tension gauge or follow the vehicle’s recommended tensioning procedure. The K080770HD belt’s EPDM material may require a brief break-in period to achieve optimal grip.

Quality Assurance and Warranty

Gates backs the FleetRunner Heavy Duty Micro-V Belt K080770HD with rigorous quality control standards to meet or exceed OEM specifications. The belt’s OE improved rating reflects its enhanced durability and performance. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by application and region.

BrandGates
Part NumberK080770HD
Top Width1.087
Top Width28
Cord MaterialPolyester
Cross Section DesignationK
Effective Length1956
Effective Length77
Outside Circumference1969
Outside Circumference77.5
TypeAutomotive v-ribbed belt (heavy duty)
Rib Quantity8
Washer Pump IncludedEpdm
Belt MaterialEpdm
Cord MaterialPolyester
OE Comparison RatingOe improved
SectionK
TypeAutomotive v-ribbed belt (heavy duty)

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

01234150701820547C425-080770HD32896974080772X506200083D841001081955D841001081956K080770HD

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.