KAMOKA RC121 Generator Freewheel Pulley

Compatible with MERCEDES-BENZ CLA Coupe (C117) , MERCEDES-BENZ A-CLASS (W176) , MERCEDES-BENZ B-CLASS Sports Tourer (W246, W242) Show more info
Ensures smooth operation of your vehicle's generator. This freewheel pulley allows the generator to spin down independently of the engine's speed.
24.80 EUR
inc. VAT 21%
In stock 1
Delivery 1 day (15.05.2026)
PN RC121
Make KAMOKA

The KAMOKA RC121 Generator Freewheel Pulley is designed to optimize the performance and longevity of your vehicle's electrical system. This component acts as a one-way clutch, enabling the generator's rotor to continue spinning freely when the engine speed drops, preventing unnecessary stress on the belt and the generator itself. By decoupling the generator from sudden engine speed fluctuations, the RC121 pulley helps to reduce vibrations and noise, contributing to a quieter and smoother driving experience. It also plays a crucial role in protecting the generator's internal components from excessive forces, thereby extending its service life. Crafted with durable materials and engineered to meet stringent quality standards, the KAMOKA RC121 freewheel pulley offers reliable performance and a precise fit for compatible vehicle models. Regular inspection and replacement of worn freewheel pulleys are recommended to maintain optimal charging system function and prevent potential damage.

  • Facilitates smooth generator operation
  • Reduces stress on the drive belt
  • Minimizes vibrations and noise
  • Protects generator components
  • Ensures optimal charging system performance
  • Durable construction for long service life
  • Designed for a precise fit
  • Helps maintain engine efficiency
Width [mm]
37
Outer diameter [mm]
59
Number of teeth
33
  • MERCEDES-BENZ
    • CLA Coupe (C117)
      • CLA 180 CDI / d (117.312) (80kW/109PS)
    • A-CLASS (W176)
      • A 180 CDI / d (176.012) (80kW/109PS)
      • A 160 CDI / d (176.011) (66kW/90PS)
    • B-CLASS Sports Tourer (W246, W242)
      • B 160 CDI / d (246.211) (66kW/90PS)
      • B 180 CDI / d (246.212) (80kW/109PS)
    • GLA-CLASS (X156)
      • GLA 180 CDI / d (156.912) (80kW/109PS)
    • CLA Shooting Brake (X117)
      • CLA 180 d (117.912) (80kW/109PS)
0 Updated