HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 90K-38357A Serpentine Belt Drive Component Kit
Part #: 90K-38357A

Gates 90K-38357A Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Accessory Belt Drive Kit
🚗Fitment: Mazda, 3 and 3 Sport
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Overview of Gates Accessory Belt Drive Kit 90K-38357A

The Gates Accessory Belt Drive Kit 90K-38357A is designed specifically for Mazda 3 and Mazda 3 Sport models. This serpentine belt drive component kit includes two belts and a tensioner assembly, engineered to maintain optimal accessory drive system performance.

  • Includes two serpentine belts with outside circumferences of 1321 mm (52 in) and 685 mm (26 in)
  • Belt top widths of 0.667 in, 0.807 in, 17 mm, and 20 mm for precise fitment
  • Comes with a tensioner assembly, part number 38357, for proper belt tension
  • Compatible with Mazda 3 and Mazda 3 Sport models
  • Part number 90K-38357A for accurate identification and replacement

Details on the Accessory Belt Drive Kit Product Line

The Gates Accessory Belt Drive Kit product line focuses on providing complete serpentine belt drive system components. This kit combines belts and a tensioner assembly to ensure synchronized operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor. The 90K-38357A kit is tailored to meet the specific dimensional requirements of Mazda 3 vehicles, supporting reliable accessory drive performance.

Technical Description and Specifications

This serpentine belt drive component kit includes two belts: one with an outside circumference of 1321 mm (52 inches) and another with 685 mm (26 inches). The belts feature top widths of 0.667 inches, 0.807 inches, 17 mm, and 20 mm, ensuring compatibility with the accessory pulleys on the Mazda 3 and Mazda 3 Sport. The included tensioner assembly (part number 38357) maintains proper belt tension, reducing slippage and wear. The belts are identified by part numbers K060514 and K050264sf, corresponding to the larger and smaller belts respectively.

Common Applications and Problem Solving

  • Replacement of worn or cracked serpentine belts on Mazda 3 and Mazda 3 Sport
  • Resolving belt slippage or squealing noises due to tensioner failure
  • Restoring proper accessory drive function to prevent alternator or power steering issues
  • Addressing belt misalignment or premature wear caused by faulty tensioner components
  • Preventing engine overheating by ensuring the cooling system belt operates correctly

Installation Notes and Tips

When installing the Gates Accessory Belt Drive Kit 90K-38357A, verify the belt routing according to the vehicle’s service manual. Use the included tensioner assembly to apply correct tension to both belts. Inspect pulleys and accessory components for wear or damage before installation. Proper alignment and tension are critical to avoid premature belt failure. It is recommended to replace both belts and the tensioner simultaneously to maintain system integrity.

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit 90K-38357A to meet OEM specifications for Mazda 3 and Mazda 3 Sport vehicles. The components undergo rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Gates typically offers limited warranties on their belt drive kits covering defects in materials and workmanship.

BrandGates
Part Number90K-38357A
PositionAccessory Belt Drive Kit
Belt 1 Outside Circumference (in)52
Belt 1 Outside Circumference (mm)1321
Belt 1 Part NumberK060514
Belt 2 Outside Circumference (in)26
Belt 2 Outside Circumference (mm)685
Belt 2 Part NumberK050264SF
Belt Top Width.667
Belt Top Width.807
Belt Top Width17
Belt Top Width20
Contents2 Belts, Tensioner
Outside Circumference26
Outside Circumference52
Outside Circumference685
Outside Circumference1321
Tensioner Assembly Part Number38357

This part fits 7 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2009Mazda32.0LL4GASN/A{K060514, K050264SF, 38357}; Installation Tool Required; Accessory Belt Drive Kit
2009Mazda3 Sport2.0LL4GASN/A{K060514, K050264SF, 38357}; Installation Tool Required; Accessory Belt Drive Kit
2008Mazda32.0LL4GASN/A{K060514, K050264SF, 38357}; Installation Tool Required; Accessory Belt Drive Kit
2007Mazda32.0LL4GASN/A{K060514, K050264SF, 38357}; Installation Tool Required; Accessory Belt Drive Kit
2006Mazda32.0LL4GASN/A{K060514, K050264SF, 38357}; Installation Tool Required; Accessory Belt Drive Kit
2005Mazda3Automatic2.0LL4GASN/A{K060514, K050264SF, 38357}; Installation Tool Required; Accessory Belt Drive Kit
2004Mazda32.0LL4GASN/A{K060514, K050264SF, 38357}; Installation Tool Required; 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-38357ADBK060514

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