OE Quality
60-Day Returns

Gates K050354SF Serpentine Belt - Alternator - Right
Overview of Gates Premium OE Stretch Fit Micro-V Belt K050354SF
The Gates Premium OE Stretch Fit Micro-V Belt K050354SF is engineered for reliable performance in Ram 2500 and 3500 models. Designed as a serpentine belt with a stretch fit design, it ensures precise tension and durability for accessory drive systems.
- Top width: 0.667 inches (17 mm)
- Effective length: 34.41 inches (874 mm)
- Outside circumference: 36.14 inches (918 mm)
- 5-rib automotive v-ribbed belt with K cross section
- Cord material: Nylon for strength and flexibility
- Belt material: EPDM for heat and wear resistance
- OE exact and OE performance comparison rating
Product Line Details: Premium OE Stretch Fit Micro-V Belt
The Premium OE Stretch Fit Micro-V Belt line by Gates is designed to meet original equipment specifications for stretch fit serpentine belts. This product line focuses on delivering precise fitment and consistent tension without the need for belt tensioners, making it suitable for specific automotive applications such as the Ram 2500 and 3500 accessory drive systems. The use of EPDM material and nylon cords enhances durability and resistance to heat and wear, aligning with OE performance standards.
Technical Description and Features
This serpentine belt features a 5-rib design with a K cross section, providing optimal grip and power transmission for accessory components. The stretch fit design allows for easy installation and maintains proper tension throughout its service life. Constructed with EPDM rubber, the belt offers improved resistance to heat, ozone, and wear compared to traditional materials. Nylon cords embedded within the belt enhance tensile strength and flexibility, ensuring reliable operation under varying engine conditions. The belt’s dimensions, including a top width of 0.667 inches and an effective length of 34.41 inches, are tailored for compatibility with Ram 2500 and 3500 models.
Compatible Vehicles and Applications
- Ram 2500 accessory drive belt replacement
- Ram 3500 serpentine belt system maintenance
- Replacement for OE stretch fit Micro-V belts in Ram heavy-duty trucks
- Accessory drive belt system component for Ram diesel and gas engines
Installation Notes and Tips
- Ensure the engine is off and cool before installation
- Verify belt routing matches the vehicle’s accessory drive diagram
- Stretch fit design allows for installation without a tensioner tool
- Inspect pulleys and accessory components for wear before installing the new belt
- Confirm proper belt seating on all ribs to avoid slippage or noise
Quality Assurance and Warranty
The Gates Premium OE Stretch Fit Micro-V Belt K050354SF is manufactured to meet or exceed original equipment standards. The use of EPDM and nylon materials ensures durability and consistent performance. This belt carries an OE exact and OE performance rating, confirming its suitability for Ram 2500 and 3500 vehicles. Warranty coverage details should be confirmed with the product documentation or manufacturer.
| Brand | Gates |
|---|---|
| Part Number | K050354SF |
| Position | Premium OE Stretch Fit Micro-V Belt, Alternator - Right |
| Belt Material | EPDM |
| Cord Material | Nylon |
| Cord Material | Nylon |
| Cross Section Designation | K |
| Effective Length | 34.41 |
| Effective Length | 874 |
| OE Comparison Rating | OE Exact |
| OE Comparison Rating | OE Performance |
| Outside Circumference | 36.14 |
| Outside Circumference | 918 |
| Rib Quantity | 5 |
| Section | K |
| Top Width | .667 |
| Top Width | 17 |
| Type | Automotive V-Ribbed Belt (Stretch Fit) |
| Type | Automotive V-Ribbed Belt (Stretch Fit) |
| Washer Pump Included | EPDM |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2025 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2023 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2023 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2022 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2022 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2021 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2021 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2020 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2020 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2019 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2019 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2018 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2018 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2017 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2017 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2016 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2016 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2015 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2015 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2014 | Ram | 2500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
| 2014 | Ram | 3500 | 6.4L | V8 | GAS | Alternator - Right | W/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt |
* 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.