Serpentine Belt Tensioner Kit 90K39221 Fit for 2011-2017 Ford F-150 Mustang Lincoln Navigator 3.5L 3.7L
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This Serpentine Belt Kit with Tensioner is designed to replace worn or damaged belt drive system components and help maintain proper engine accessory operation. It is compatible with select Ford F-150, Ford Mustang, and Lincoln Navigator vehicles equipped with 3.5L and 3.7L engines. This kit includes belts and belt tensioner components to help maintain proper belt tension, reduce vibration, and support reliable engine performance.
Product Features
Complete Belt Drive Replacement Kit
Includes two belts and one belt tensioner to provide essential components for restoring proper belt drive system operation.
Maintains Proper Belt Tension
The tensioner pulley helps dampen belt vibrations and maintain optimal belt tension for smoother and more stable belt system operation.
Durable Construction
Made with high-grade rubber and premium tensile materials, providing resistance to heat and corrosion for extended service life.
OE Reference Number Compatibility
Designed to replace OE reference numbers and provide a reliable replacement solution for specified Ford and Lincoln applications.
Stable Engine Accessory Performance
Helps maintain proper belt operation and supports reliable engine accessory performance during daily driving conditions.
Vehicle Compatibility
| Year | Make | Model | Engine |
|---|---|---|---|
| 2013 | Ford | F-150 | 3.5L Turbocharged GAS |
| 2015 | Ford | F-150 | 3.5L Turbocharged GAS |
| 2015-2017 | Ford | F-150 | 3.5L N/A FLEX |
| 2017 | Ford | F-150 | 3.5L N/A GAS |
| 2011-2013 | Ford | F-150 | 3.7L N/A FLEX / GAS |
| 2014 | Ford | F-150 | 3.7L N/A |
| 2015-2017 | Lincoln | Navigator | 3.5L Turbocharged GAS |
| 2015-2017 | Ford | Mustang | 3.7L N/A GAS |
Engine Compatibility
3.5L Engine Applications
3.5L Turbocharged GAS Engine
3.5L Naturally Aspirated FLEX Engine
3.5L Naturally Aspirated GAS Engine
3.7L Engine Applications
3.7L Naturally Aspirated FLEX / GAS Engine
OE / Reference Numbers
Replacement Part Numbers
90K39221
39221
Package Includes
Included Components
2 × Belt (OE# 90K39221)
1 × Belt Tensioner (OE# 39221)
Important Notes
Fitment Verification
Please verify your vehicle year, make, model, engine specifications, and OE/reference number before purchasing to ensure compatibility.
Installation Recommendation
Professional installation is recommended for proper belt tension adjustment and system operation.
Warranty
AUCERAMIC 12-Month Warranty
AUCERAMIC provides a 12-month warranty for this Serpentine Belt Kit with Tensioner. If you experience any product quality issues during the warranty period, please contact our customer service team for assistance.