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

Gates 90K-38121B Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit
⚙️ 10 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
📦Accessory Belt Drive Kit
🚗Fitment: Lincoln, Ford, and Mercury, Mark VII, Mustang, and Capri
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Overview of Gates Accessory Belt Drive Kit 90K-38121B

The Gates Accessory Belt Drive Kit 90K-38121B is designed for reliable serpentine belt system maintenance on select Ford, Lincoln, and Mercury vehicles. This kit includes a serpentine belt and tensioner assembly engineered to meet specific dimensional requirements for optimal fit and function.

  • Includes serpentine belt (Part Number K060923) and tensioner assembly (Part Number 38121)
  • Belt outside circumference: 92.9 inches (2360 mm)
  • Belt top width: 0.807 inches (20 mm)
  • Compatible with Ford Capri, Lincoln Mark VII, and Mercury Mustang models
  • Part number 90K-38121B for precise identification and fitment

Detailed Product Description

The Gates Accessory Belt Drive Kit is part of the Accessory Belt Drive Kit product line, which focuses on providing complete serpentine belt drive components for accessory drive systems. This kit combines a high-quality serpentine belt with a matching tensioner assembly to ensure proper belt tension and alignment. The belt's outside circumference measures 92.9 inches (2360 mm), with a top width of 0.807 inches (20 mm), dimensions that are critical for maintaining the correct fit on pulleys and preventing slippage or premature wear. The included tensioner assembly (part number 38121) is designed to maintain consistent tension, reducing noise and extending belt life.

Compatible Vehicles and Applications

This accessory belt drive kit is compatible with specific Ford, Lincoln, and Mercury vehicles, including the Ford Capri, Lincoln Mark VII, and Mercury Mustang. It is intended for use in serpentine belt drive systems where the belt and tensioner must match the original equipment specifications for outside circumference and width.

  • Replaces worn or damaged serpentine belts and tensioners
  • Addresses belt slipping or squealing issues
  • Resolves tensioner failure or loss of belt tension
  • Prevents accessory drive system malfunctions
  • Helps maintain proper operation of alternator, power steering, and air conditioning components

Installation Notes and Tips

When installing the Gates Accessory Belt Drive Kit 90K-38121B, ensure the belt is routed correctly according to the vehicle’s belt routing diagram. Verify the tensioner assembly is properly mounted and moves freely to maintain correct belt tension. It is recommended to inspect pulleys and other accessory drive components for wear during installation. Proper installation will help avoid premature belt wear and ensure consistent accessory performance.

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit 90K-38121B to meet or exceed OEM specifications for durability and performance. The kit components undergo rigorous quality control to ensure reliable operation in demanding automotive environments. Warranty coverage details should be confirmed with the product documentation or authorized Gates distributors.

BrandGates
Part Number90K-38121B
PositionAccessory Belt Drive Kit
Belt 1 Outside Circumference (in)92.9
Belt 1 Outside Circumference (mm)2360
Belt 1 Part NumberK060923
Belt Top Width.807
Belt Top Width20
ContentsBelt, Tensioner
Outside Circumference92.9
Outside Circumference2360
Tensioner Assembly Part Number38121

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1992LincolnMark VII5.0LV8GASN/A{K060923, 38121}; Accessory Belt Drive Kit
1991LincolnMark VII5.0LV8GASN/A{K060923, 38121}; Accessory Belt Drive Kit
1990LincolnMark VII5.0LV8GASN/A{K060923, 38121}; Accessory Belt Drive Kit
1985FordMustang5.0LV8GASN/A{K060923, 38121}; W/Dealer Inst. A.C.; W/O Fixed Mounting Stud; Accessory Belt Drive Kit
1985MercuryCapri5.0LV8GASN/A{K060923, 38121}; W/Dealer Inst. A.C.; W/O Fixed Mounting Stud; Accessory Belt Drive Kit
1984FordMustang5.0LV8GASN/A{K060923, 38121}; W/Dealer Inst. A.C.; Accessory Belt Drive Kit
1984MercuryCapri5.0LV8GASN/A{K060923, 38121}; W/Dealer Inst. A.C.; W/O Fixed Mounting Stud; Accessory Belt Drive Kit
1982FordMustang4.2LV8GASN/A{K060923, 38121}; W/A.C.; W/93" Belt O.C.; Accessory Belt Drive Kit
1982MercuryCapri4.2LV8GASN/A{K060923, 38121}; W/A.C.; W/93" Belt O.C.; Accessory Belt Drive Kit
1981FordMustang4.2LV8GASN/A{K060923, 38121}; W/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-38121BDBK060923B

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