DAYCO APV3959 V-Ribbed Belt Tensioner Pulley

Compatible with MERCEDES-BENZ SLK (R172) , MERCEDES-BENZ C-CLASS (W205) , MERCEDES-BENZ S-CLASS (W222, V222, X222) Show more info
Ensures proper tension for your V-ribbed belt system, maintaining optimal accessory drive performance.
21.48 EUR
inc. VAT 21%
In stock 5
Delivery 1 day (14.05.2026)
PN APV3959
Make DAYCO
EAN 8021787276237

This DAYCO V-Ribbed Belt Tensioner Pulley, part code APV3959, is engineered to maintain the correct tension on your vehicle's V-ribbed belt. Proper belt tension is crucial for the reliable operation of accessories such as the alternator, power steering pump, and air conditioning compressor. By keeping the belt at the optimal tension, this pulley helps prevent premature belt wear, slippage, and noise. It contributes to the longevity of the belt and ensures that all driven accessories function as intended, providing a smooth and efficient driving experience.

  • Maintains optimal V-ribbed belt tension
  • Ensures reliable accessory drive operation
  • Helps prevent belt slippage and wear
  • Contributes to quiet and efficient operation
  • Durable construction for long service life
  • Direct fit for specified applications
Drive pulley-Ø [mm]
65,0
Height 1 [mm]
26,0
Height 2 [mm]
65,0
Mass [kg]
0.2 inches
  • MERCEDES-BENZ
    • SLK (R172)
      • 250 CDI / d (172.403) (150kW/204PS)
    • C-CLASS (W205)
      • C 220 BlueTEC / d (205.002, 205.004) (125kW/170PS)
      • C 220 BlueTEC / d (205.003) (120kW/163PS)
      • C 250 BlueTEC / d (205.008, 205.006) (150kW/204PS)
      • C 250 BlueTEC / d 4-matic (205.009) (150kW/204PS)
      • C 300 BlueTEC Hybrid / h (205.012) (170kW/231PS)
      • C 220 d 4-matic (205.005) (125kW/170PS)
      • C 200 d (205.007) (100kW/136PS)
    • S-CLASS (W222, V222, X222)
      • S 300 BlueTEC Hybrid / h (222.104, 222.004) (170kW/231PS)
    • C-CLASS T-Model (S205)
      • C 220 BlueTEC / d (205.204) (125kW/170PS)
      • C 250 BlueTEC / d (205.208) (150kW/204PS)
      • C 250 BlueTEC / d 4-matic (205.209) (150kW/204PS)
      • C 300 BlueTEC Hybrid / h (205.212) (150kW/204PS)
      • C 220 BlueTEC / d (205.204) (120kW/163PS)
      • C 220 d 4-matic (205.205) (125kW/170PS)
      • C 200 d (205.207) (100kW/136PS)
    • GLC (X253)
      • 220 d 4-matic (253.905, 253.903) (125kW/170PS)
      • 250 d 4-matic (253.909) (150kW/204PS)
      • 220 d 4-matic (253.905, 253.903) (120kW/163PS)
    • C-CLASS Coupe (C205)
      • C 220 d (205.304) (125kW/170PS)
      • C 250 d (205.308) (150kW/204PS)
      • C 220 d 4-matic (205.305) (125kW/170PS)
      • C 250 d 4-matic (205.309) (150kW/204PS)
    • SLC (R172)
      • 250 d (172.404) (150kW/204PS)
    • C-CLASS Kabriolets (A205)
      • C 220 d (205.404) (125kW/170PS)
      • C 220 d 4-matic (205.405) (125kW/170PS)
      • C 250 d (205.408) (150kW/204PS)
    • GLC Coupe (C253)
      • 220 d 4-matic (253.303, 253.305) (125kW/170PS)
      • 250 d 4-matic (253.309) (150kW/204PS)
      • 220 d 4-matic (253.303, 253.305) (120kW/163PS)
MERCEDES-BENZ
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