HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates K040525 Serpentine Belt - Air Conditioning, Water Pump or Alternator and Air Pump
Part #: K040525

Gates K040525 Serpentine Belt - Air Conditioning, Water Pump or Alternator and Air Pump

Premium OE Micro-V Belt, Water Pump, Alternator and Air Pump and Air Conditioning
⚙️ 25 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium OE Micro-V Belt, Water Pump, Alternator and Air Pump and Air Conditioning
🚗Fitment: Chevrolet, Ford, and Pontiac, Camaro, F-150, Firebird, and Mustang
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Reliable Serpentine Belt for Chevrolet, Ford, and Pontiac Vehicles

The Gates Premium OE Micro-V Belt K040525 is engineered to meet original equipment specifications for select Chevrolet Camaro, Ford F-150, Pontiac Firebird, and Ford Mustang models. Designed for durability and consistent performance, this serpentine belt ensures efficient accessory drive system operation.

  • Top width of 14 mm (.56 inches) for precise fit
  • Effective length of 1336 mm (52.6 inches) matching OEM requirements
  • Constructed with polyester cord material for strength and flexibility
  • Epdm belt material and washer pump for enhanced durability
  • 4-rib automotive v-ribbed belt with K cross section design
  • Outside circumference of approximately 1351 mm (53.125 inches)
  • OE comparison rating ensures original equipment performance standards

About the Gates Premium OE Micro-V Belt Line

The Premium OE Micro-V Belt line from Gates is designed to provide reliable replacement belts that meet or exceed original equipment specifications. This product line focuses on delivering consistent fit and performance for automotive v-ribbed belt systems, making it suitable for vehicles requiring precise accessory drive belt components. The K040525 part is part of this line, ensuring compatibility and durability for your vehicle's accessory drive system.

Product Details and Specifications

This serpentine belt features a 4-rib design with a K cross section, providing optimal grip and flexibility for accessory drive components. The belt's polyester cord material offers tensile strength and resistance to stretching, while the Epdm (ethylene propylene diene monomer) belt material enhances resistance to heat, ozone, and wear. With an effective length of 1336 mm (52.6 inches) and a top width of 14 mm (.56 inches), this belt is engineered to fit specific Chevrolet Camaro, Ford F-150, Pontiac Firebird, and Ford Mustang models requiring this size and specification.

Common Applications and Issues Addressed

  • Replacement for worn or cracked serpentine belts in Chevrolet Camaro and Pontiac Firebird
  • Restores proper accessory drive function in Ford F-150 and Mustang models
  • Eliminates belt slippage and squealing noises
  • Prevents accessory component failure due to belt degradation
  • Maintains engine cooling and charging system efficiency

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Inspect pulleys and tensioners for wear or damage to avoid premature belt failure. Use proper tensioning tools to achieve the recommended belt tension. The K040525 belt is designed for direct replacement and does not require modification.

Quality Assurance and Warranty

Gates Premium OE Micro-V Belts are manufactured to meet original equipment standards, providing reliable performance and durability. This product carries an OE comparison rating, ensuring it meets the quality and specifications required by Chevrolet, Ford, and Pontiac vehicles. Warranty details are provided by Gates and typically cover defects in materials and workmanship under normal use.

BrandGates
Part NumberK040525
PositionPremium OE Micro-V Belt, Water Pump, Alternator and Air Pump and Air Conditioning
Top Width.56
Top Width14
Cord MaterialPolyester
Cross Section DesignationK
Effective Length1336
Effective Length52.6
Outside Circumference1351
Outside Circumference53.125
TypeAutomotive v-ribbed belt (standard)
Rib Quantity4
Washer Pump IncludedEpdm
Belt MaterialEpdm
Cord MaterialPolyester
OE Comparison RatingOe performance
SectionK
TypeAutomotive v-ribbed belt (standard)

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2025FordF-1505.0LV8FLEXAir ConditioningPremium OE Micro-V Belt
2024FordF-1505.0LV8GASAir ConditioningPremium OE Micro-V Belt
2023FordF-1505.0LV8GASAir ConditioningPremium OE Micro-V Belt
2023FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2022FordF-1505.0LV8GASAir ConditioningPremium OE Micro-V Belt
2022FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2021FordF-1505.0LV8FLEXAir ConditioningPremium OE Micro-V Belt
2021FordF-1505.0LV8GASAir ConditioningPremium OE Micro-V Belt
2021FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2020FordF-1505.0LV8FLEXAir ConditioningPremium OE Micro-V Belt
2020FordF-1505.0LV8GASAir ConditioningPremium OE Micro-V Belt
2020FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2019FordF-1505.0LV8FLEXAir ConditioningPremium OE Micro-V Belt
2019FordF-1505.0LV8GASAir ConditioningPremium OE Micro-V Belt
2019FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2018FordF-1505.0LV8FLEXAir ConditioningPremium OE Micro-V Belt
2018FordF-1505.0LV8GASAir ConditioningPremium OE Micro-V Belt
2018FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2017FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2016FordMustang2.3LL4GASN/APremium OE Micro-V Belt
2015FordMustang2.3LL4GASN/APremium OE Micro-V Belt
1986ChevroletCamaro2.8LV6GASWater Pump, Alternator and Air PumpPremium OE Micro-V Belt
1986PontiacFirebird2.8LV6GASWater Pump, Alternator and Air PumpPremium OE Micro-V Belt
1985ChevroletCamaro2.8LV6GASWater Pump, Alternator and Air PumpPremium OE Micro-V Belt
1985PontiacFirebird2.8LV6GASWater Pump, Alternator and Air PumpPremium OE Micro-V Belt

* 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:

11950F27051362E14-0683-21408830416453820079225-04052525-7133425-7134640405254K5254PK13354PK13374PK13384PK134050405255040525DR525K4525K4MK72030772130777-9404-3A-525K4FR3E 6C301 FAFR3Z 8620 CFR3Z8620CJK050525JK4-532JK4533JK4534JL3E 6C301 CAJL3Z 8620 BK040525LT128V1092892

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