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Gates 90K-39351 Serpentine Belt Drive Component Kit
Reliable Accessory Belt Drive Kit for Ford Escape, Focus, and Transit Connect
The Gates Accessory Belt Drive Kit 90K-39351 is designed to provide a complete serpentine belt drive solution for select Ford vehicles. Engineered to meet OEM specifications, this kit includes two belts, a tensioner, and an idler pulley to ensure optimal accessory drive system performance.
- Includes two serpentine belts with outside circumferences of 54.044 inches (1373 mm) and 34.25 inches (870 mm)
- Belt top width measures 0.56 inches (14 mm) for precise fitment
- Features a tensioner assembly (part number 39351) and idler pulley (part number 36733) for proper belt tension and routing
- Compatible with Ford Escape, Focus, and Transit Connect models
- Part number 90K-39351 ensures correct replacement and fit
About the Gates Accessory Belt Drive Kit Product Line
The Gates Accessory Belt Drive Kit line offers comprehensive serpentine belt system components designed to work together for reliable accessory drive operation. This kit combines high-quality belts with a tensioner and idler pulley engineered to maintain proper belt tension and alignment, reducing wear and extending component life. The 90K-39351 kit is tailored for specific Ford models, providing a matched set of parts for efficient installation and dependable performance.
Detailed Product Description
This serpentine belt drive component kit includes two belts with precise outside circumferences of 54.044 inches (1373 mm) and 34.25 inches (870 mm), each with a belt top width of 0.56 inches (14 mm). The belts are identified by part numbers K040535 and K040338sf respectively, ensuring compatibility and ease of replacement. The included tensioner assembly (39351) and idler pulley (36733) are designed to maintain optimal belt tension and routing, critical for accessory components such as the alternator, power steering pump, and air conditioning compressor. This kit is specifically compatible with Ford Escape, Focus, and Transit Connect vehicles, making it a precise fit for these models.
Common Applications and Issues Addressed
- Replacement of worn or cracked serpentine belts causing noise or slippage
- Resolving belt tension problems leading to accessory drive failure
- Addressing idler pulley wear that can cause belt misalignment
- Upgrading to a complete kit for improved maintenance efficiency
- Ensuring proper belt routing and tension in Ford Escape, Focus, and Transit Connect models
Installation Notes and Tips
When installing the Gates Accessory Belt Drive Kit 90K-39351, verify the belt routing diagram for your specific Ford model. Replace both belts simultaneously to maintain balanced wear and performance. Ensure the tensioner assembly is properly seated and the idler pulley spins freely without noise or resistance. Use appropriate tools to relieve tension safely during installation. Double-check belt alignment and tension after installation to prevent premature wear.
Quality Assurance and Warranty
Gates manufactures the Accessory Belt Drive Kit 90K-39351 to meet stringent quality standards, ensuring durability and reliable operation. The components are engineered to OEM specifications for fit and function. While specific warranty details are not provided here, Gates typically offers coverage against defects in materials and workmanship. Refer to Gates’ official documentation for complete warranty information.
| Brand | Gates |
| Part Number | 90K-39351 |
| Position | Accessory Belt Drive Kit |
| Outside Circumference | 1373 |
| Outside Circumference | 34.25 |
| Outside Circumference | 54.044 |
| Outside Circumference | 870 |
| Belt Top Width | .56 |
| Belt Top Width | 14 |
| Belt 1 Outside Circumference (in) | 54.044 |
| Belt 1 Outside Circumference (mm) | 1373 |
| Belt 1 Part Number | K040535 |
| Belt 2 Outside Circumference (in) | 34.25 |
| Belt 2 Outside Circumference (mm) | 870 |
| Belt 2 Part Number | K040338sf |
| Contents | 2 belts, tensioner, idler |
| Idler Pulley 1 Part Number | 36733 |
| Tensioner Assembly Part Number | 39351 |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Ford | Focus | 2.3L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2017 | Ford | Escape | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2017 | Ford | Focus | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2017 | Ford | Focus | 2.3L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2017 | Ford | Transit Connect | 2.5L | L4 | CNG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2017 | Ford | Transit Connect | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2017 | Ford | Transit Connect | 2.5L | L4 | LPG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2016 | Ford | Escape | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; W/150A. Alt.; Installation Tool Required; Accessory Belt Drive Kit |
| 2016 | Ford | Escape | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2016 | Ford | Focus | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2016 | Ford | Focus | 2.3L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2016 | Ford | Transit Connect | 2.5L | L4 | CNG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2016 | Ford | Transit Connect | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2016 | Ford | Transit Connect | 2.5L | L4 | LPG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2015 | Ford | Escape | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; W/150A. Alt.; Installation Tool Required; Accessory Belt Drive Kit |
| 2015 | Ford | Escape | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2015 | Ford | Focus | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2015 | Ford | Transit Connect | 2.5L | L4 | CNG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2015 | Ford | Transit Connect | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2015 | Ford | Transit Connect | 2.5L | L4 | LPG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2014 | Ford | Escape | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; W/150A. Alt.; Installation Tool Required; Accessory Belt Drive Kit |
| 2014 | Ford | Escape | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2014 | Ford | Focus | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2014 | Ford | Transit Connect | 2.5L | L4 | CNG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2014 | Ford | Transit Connect | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2014 | Ford | Transit Connect | 2.5L | L4 | LPG | N/A | {K040535, K040338SF, 39351, 36733}; Accessory Belt Drive Kit |
| 2013 | Ford | Escape | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; W/150A. Alt.; Installation Tool Required; Accessory Belt Drive Kit |
| 2013 | Ford | Escape | 2.5L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; Installation Tool Required; Accessory Belt Drive Kit |
| 2013 | Ford | Focus | 2.0L | L4 | GAS | N/A | {K040535, K040338SF, 39351, 36733}; 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.