OE Quality
60-Day Returns

Gates 90K-38189B Serpentine Belt Drive Component Kit
Overview of Gates Accessory Belt Drive Kit 90K-38189B
The Gates Accessory Belt Drive Kit 90K-38189B is designed specifically for Ford Mustang models, providing a complete serpentine belt drive component solution. This kit includes a belt, tensioner, and three idler pulleys engineered to maintain optimal accessory drive system performance.
- Complete serpentine belt drive component kit for Ford Mustang
- Includes belt (part number K060935), tensioner assembly (part number 38189), and three idler pulleys (part numbers 38001, 36100, 36100)
- Belt outside circumference: 2387 mm (93.985 inches)
- Belt top width: 20 mm (0.807 inches)
- Designed for precise fit and reliable operation in accessory drive systems
Detailed Product Description
The Gates Accessory Belt Drive Kit 90K-38189B is engineered to meet the specific requirements of the Ford Mustang's accessory drive system. The kit features a serpentine belt with an outside circumference of 2387 mm (93.985 inches) and a belt top width of 20 mm (0.807 inches), ensuring proper tension and alignment. Included in the kit are three idler pulleys with part numbers 38001 and 36100 (two units), as well as a tensioner assembly (part number 38189) designed to maintain consistent belt tension and reduce wear. This comprehensive kit supports the smooth operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor.
About the Accessory Belt Drive Kit Product Line
The Gates Accessory Belt Drive Kit product line offers complete component solutions for serpentine belt systems, combining belts, tensioners, and idler pulleys in one package. This approach simplifies maintenance and replacement for vehicles like the Ford Mustang by providing all necessary parts designed to work together for optimal accessory drive performance and durability.
Common Applications and Issues Addressed
- Replacement of worn or damaged serpentine belts in Ford Mustang accessory drive systems
- Resolving belt slippage or squealing noises caused by tensioner or pulley wear
- Addressing accessory drive component failures that affect alternator or power steering function
- Preventing premature belt wear due to misaligned or faulty idler pulleys
- Maintaining proper belt tension to ensure consistent engine accessory operation
Installation Notes and Tips
- Ensure compatibility with your specific Ford Mustang model year before installation
- Inspect all accessory drive components for wear or damage prior to replacement
- Use proper tools to relieve tension on the belt tensioner during installation
- Verify correct routing of the serpentine belt according to manufacturer specifications
- Check belt alignment and tension after installation to prevent premature wear
Quality Assurance and Warranty
Gates manufactures the Accessory Belt Drive Kit 90K-38189B to meet stringent quality standards, ensuring reliable performance in Ford Mustang vehicles. Each component is engineered for durability and tested for fit and function. While specific warranty details may vary, Gates typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.
| Brand | Gates |
| Part Number | 90K-38189B |
| Position | Accessory Belt Drive Kit |
| Belt 1 Outside Circumference (in) | 93.985 |
| Belt 1 Outside Circumference (mm) | 2387 |
| Belt 1 Part Number | K060935 |
| Belt Top Width | .807 |
| Belt Top Width | 20 |
| Contents | Belt, Tensioner, 3 Idlers |
| Idler Pulley 1 Part Number | 38001 |
| Idler Pulley 2 Part Number | 36100 |
| Idler Pulley 3 Part Number | 36100 |
| Outside Circumference | 93.985 |
| Outside Circumference | 2387 |
| Tensioner Assembly Part Number | 38189 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Ford | Mustang | 4.6L | V8 | GAS | N/A | {K060935, 38189, 38001, 36100, 36100}; Accessory Belt Drive Kit |
| 2003 | Ford | Mustang | 4.6L | V8 | GAS | N/A | {K060935, 38189, 38001, 36100, 36100}; Accessory Belt Drive Kit |
* 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.