Gates
Premium OE Stretch Fit Micro-V Belt

Gates K050354SF Serpentine Belt - Alternator - Right

Brand Gates K050354SF
Position 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
Product line Premium OE Stretch Fit Micro-V Belt
Fits Ram · 22 vehicles

OE exact replacement. Stretch fit design installs without a tensioner.

EPDM construction. Resists heat and wear for dependable belt performance.

Nylon cord reinforcement. Adds strength and stability in service.

Cross-references Continental 4050365S, 5K354SF and 25-050354SF for the same application. See all 5.

$48.50Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $48.50
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Gates Stretch Fit Belt for Ram Alternator Drive

The Gates Premium OE Stretch Fit Micro-V Belt is built for Ram trucks with stretch-fit accessory drive systems. This K050354SF serpentine belt uses self-tensioning stretch-fit technology to deliver the correct fit on the right-side alternator drive.

For Ram 2500 and Ram 3500 applications with dual alternators, this belt is specified for the alternator - right position. The Gates K050354SF is an OE Exact and OE Performance replacement option for vehicles that require a 5-rib, K-section stretch fit belt.

Key Features

  • Premium OE Stretch Fit Micro-V Belt for stretch-fit drive systems
  • 5-rib, K-section automotive V-ribbed belt design
  • EPDM belt material for durable accessory drive service
  • Nylon cord construction for stable belt reinforcement
  • Effective length: 34.41 in. (874 mm)
  • Outside circumference: 36.14 in. (918 mm)
  • Top width: 0.667 in. (17 mm)
  • OE Exact and OE Performance comparison ratings

Product Details

Gates Micro-V Stretch Fit belts are engineered for unique drive systems that do not use a conventional tensioner adjustment. The self-tensioning design helps the belt seat properly on the pulley system while maintaining the correct fit for the accessory drive. This makes the K050354SF a direct-match solution for Ram truck applications that call for a stretch-fit serpentine belt on the right-side alternator.

Compatible With 2014-2023 Ram 2500, Alternator - Right; 2025 Ram 2500, Alternator - Right; 2014-2023 Ram 3500, Alternator - Right; and 2025 Ram 3500, Alternator - Right. This part cross-references Continental 4050365S for the same application.

Common Problems This Belt Can Address

  • Cracking, glazing, or visible wear on the accessory drive belt
  • Squealing or chirping from the alternator drive area
  • Loss of proper belt fit on a stretch-fit system
  • Reduced belt tracking on the right-side alternator drive
  • Service replacement for worn OE-style Micro-V belts on Ram 2500 and Ram 3500 trucks

Installation Notes and Tips

Installation tool required. Verify the vehicle uses the right-side alternator stretch-fit application before ordering. Confirm belt routing, rib count, and measured length against the original belt or service information for the specific Ram 2500 or Ram 3500 model year.

Quality Assurance

Gates manufactures this belt as part of its Premium OE Stretch Fit Micro-V Belt line, with OE-focused fitment and performance specifications for stretch-fit accessory drive systems. The K050354SF is built to match the requirements of the listed Ram applications.

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2025Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2025Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2023Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2023Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2022Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2022Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2021Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2021Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2020Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2020Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2019Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2019Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2018Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2018Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2017Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2017Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2016Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2016Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2015Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2015Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2014Ram25006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
2014Ram35006.4LV8GASAlternator - RightW/Dual Alts.; Installation Tool Required; Premium OE Stretch Fit Micro-V Belt
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 4050365S5K354SF25-050354SF04627649AA68232297AA