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Gates K040525 Serpentine Belt - Air Conditioning, Water Pump or Alternator and Air Pump
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.
| Brand | Gates |
| Part Number | K040525 |
| Position | Premium OE Micro-V Belt, Water Pump, Alternator and Air Pump and Air Conditioning |
| Top Width | .56 |
| Top Width | 14 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 1336 |
| Effective Length | 52.6 |
| Outside Circumference | 1351 |
| Outside Circumference | 53.125 |
| Type | Automotive v-ribbed belt (standard) |
| Rib Quantity | 4 |
| Washer Pump Included | Epdm |
| Belt Material | Epdm |
| Cord Material | Polyester |
| OE Comparison Rating | Oe performance |
| Section | K |
| Type | Automotive v-ribbed belt (standard) |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ford | F-150 | 5.0L | V8 | FLEX | Air Conditioning | Premium OE Micro-V Belt |
| 2024 | Ford | F-150 | 5.0L | V8 | GAS | Air Conditioning | Premium OE Micro-V Belt |
| 2023 | Ford | F-150 | 5.0L | V8 | GAS | Air Conditioning | Premium OE Micro-V Belt |
| 2023 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2022 | Ford | F-150 | 5.0L | V8 | GAS | Air Conditioning | Premium OE Micro-V Belt |
| 2022 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2021 | Ford | F-150 | 5.0L | V8 | FLEX | Air Conditioning | Premium OE Micro-V Belt |
| 2021 | Ford | F-150 | 5.0L | V8 | GAS | Air Conditioning | Premium OE Micro-V Belt |
| 2021 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2020 | Ford | F-150 | 5.0L | V8 | FLEX | Air Conditioning | Premium OE Micro-V Belt |
| 2020 | Ford | F-150 | 5.0L | V8 | GAS | Air Conditioning | Premium OE Micro-V Belt |
| 2020 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2019 | Ford | F-150 | 5.0L | V8 | FLEX | Air Conditioning | Premium OE Micro-V Belt |
| 2019 | Ford | F-150 | 5.0L | V8 | GAS | Air Conditioning | Premium OE Micro-V Belt |
| 2019 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2018 | Ford | F-150 | 5.0L | V8 | FLEX | Air Conditioning | Premium OE Micro-V Belt |
| 2018 | Ford | F-150 | 5.0L | V8 | GAS | Air Conditioning | Premium OE Micro-V Belt |
| 2018 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2017 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2016 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 2015 | Ford | Mustang | 2.3L | L4 | GAS | N/A | Premium OE Micro-V Belt |
| 1986 | Chevrolet | Camaro | 2.8L | V6 | GAS | Water Pump, Alternator and Air Pump | Premium OE Micro-V Belt |
| 1986 | Pontiac | Firebird | 2.8L | V6 | GAS | Water Pump, Alternator and Air Pump | Premium OE Micro-V Belt |
| 1985 | Chevrolet | Camaro | 2.8L | V6 | GAS | Water Pump, Alternator and Air Pump | Premium OE Micro-V Belt |
| 1985 | Pontiac | Firebird | 2.8L | V6 | GAS | Water Pump, Alternator and Air Pump | Premium 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.