TOPRAN 502 313 Belt Tensioner, V-Ribbed Belt

Compatible with BMW 1 (F20) , BMW 3 (F30, F80) , BMW 1 (F21) Show more info
Ensures proper tension for your V-ribbed belt, maintaining optimal accessory function. Designed for reliable performance and durability.
27.41 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (15.05.2026)
PN 502 313
Make TOPRAN

This TOPRAN belt tensioner is specifically engineered for V-ribbed belt systems. It plays a crucial role in maintaining the correct tension on the belt, which is essential for the efficient operation of various engine accessories such as the alternator, power steering pump, and air conditioning compressor. A properly tensioned belt prevents slippage, reduces wear on both the belt and the pulley bearings, and ensures consistent power delivery to these vital components. This tensioner is built with durable materials to withstand the demanding conditions under the hood, offering a long service life. Installation of this tensioner will help restore proper belt function, preventing issues like squealing noises, undercharging of the battery, or loss of power steering assist. It is a direct replacement part designed to meet or exceed original equipment specifications.

  • Maintains optimal V-ribbed belt tension
  • Ensures reliable operation of engine accessories
  • Reduces belt slippage and wear
  • Durable construction for long service life
  • Restores proper belt function
  • Direct replacement part
  • Designed for specific vehicle applications
Outer diameter [mm]
+55
Width [mm]
+25
Assembly/Roller
Check the tensioner pulley
Additional article/Additional info 2
without grooves
Roller material
Plastic
Housing material
Aluminum
  • BMW
    • 1 (F20)
      • 116 i (100kW/136PS)
      • 118 i (125kW/170PS)
      • 114 i (75kW/102PS)
      • 120 i (130kW/177PS)
    • 3 (F30, F80)
      • 316 i (100kW/136PS)
      • 320 i (125kW/170PS)
    • 1 (F21)
      • 114 i (75kW/102PS)
      • 116 i (100kW/136PS)
      • 118 i (125kW/170PS)
      • 118 i (100kW/136PS)
      • 120 i (130kW/177PS)
    • 3 Touring (F31)
      • 316 i (100kW/136PS)
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