HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 90K-38121 Serpentine Belt Drive Component Kit
Part #: 90K-38121

Gates 90K-38121 Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Accessory Belt Drive Kit
🚗Fitment: Ford, Mustang
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Overview of Gates Accessory Belt Drive Kit 90K-38121

The Gates Accessory Belt Drive Kit 90K-38121 is designed specifically for Ford Mustang models requiring reliable serpentine belt drive components. This kit includes a serpentine belt and a tensioner assembly engineered to meet precise fitment and performance standards.

  • Includes serpentine belt (Part Number K060905) and tensioner assembly (Part Number 38121)
  • Belt outside circumference: 2308 mm (90.873 inches)
  • Belt top width: 20 mm (0.807 inches)
  • Compatible with Ford Mustang accessory drive systems
  • GTIN: 00770075756989

Detailed Product Description

The Gates Accessory Belt Drive Kit 90K-38121 features a serpentine belt with an outside circumference of 2308 mm (90.873 inches) and a belt top width of 20 mm (0.807 inches). This precise sizing ensures proper tension and alignment within the accessory drive system of Ford Mustang vehicles. The included tensioner assembly (Part Number 38121) is designed to maintain optimal belt tension, reducing slippage and wear. This kit is part of the Gates Accessory Belt Drive Kit product line, which focuses on providing complete accessory drive solutions that combine belts and tensioners for efficient power transmission and durability.

Common Applications and Problem Solving

  • Replacement for worn or cracked serpentine belts in Ford Mustang models
  • Resolves belt slippage and squealing noises caused by tensioner failure
  • Addresses accessory drive system misalignment issues
  • Prevents overheating and accessory malfunction due to belt failure
  • Improves overall engine accessory performance and reliability

Installation Notes and Tips

  • Ensure compatibility with your specific Ford Mustang model year before installation
  • Inspect pulleys and other accessory drive components for wear during replacement
  • Use proper tools to relieve tension on the old belt and install the new tensioner assembly
  • Verify belt routing matches factory specifications to avoid premature wear
  • Check belt tension after installation to ensure optimal performance

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit 90K-38121 to meet stringent quality standards for durability and performance. The kit components are engineered to OEM specifications for Ford Mustang vehicles. While specific warranty details are not provided here, Gates typically offers limited warranties on their belt drive kits covering defects in materials and workmanship. Refer to official Gates documentation for exact warranty terms.

BrandGates
Part Number90K-38121
PositionAccessory Belt Drive Kit
Belt 1 Outside Circumference (in)90.873
Belt 1 Outside Circumference (mm)2308
Belt 1 Part NumberK060905
Belt Top Width.807
Belt Top Width20
ContentsBelt, Tensioner
Outside Circumference90.873
Outside Circumference2308
Tensioner Assembly Part Number38121

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1993FordMustang5.0LV8GASN/A{K060905, 38121}; W/Factory Inst. A.C.; Accessory Belt Drive Kit
1992FordMustang5.0LV8GASN/A{K060905, 38121}; W/Factory Inst. A.C.; Accessory Belt Drive Kit
1991FordMustang5.0LV8GASN/A{K060905, 38121}; W/Factory Inst. A.C.; Accessory Belt Drive Kit
1990FordMustang5.0LV8GASN/A{K060905, 38121}; W/Factory Inst. A.C.; Accessory Belt Drive Kit
1989FordMustang5.0LV8GASN/A{K060905, 38121}; W/Factory Inst. A.C.; Accessory Belt Drive Kit
1988FordMustang5.0LV8GASN/A{K060905, 38121}; W/Factory Inst. A.C.; 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:

90K-38121DBK060905B

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