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TOPRAN TOPRAN 408 978 Drive Chain Tensioner 408978

TOPRAN 408 978 Drive Chain Tensioner

Compatible with MERCEDES-BENZ SPRINTER 3,5-t Autobuss (B906) , MERCEDES-BENZ SPRINTER 3,5-t Furgons (B906) , MERCEDES-BENZ C-CLASS (W204) Show more info
Ensures proper tension for your vehicle's drive chain. Maintains optimal engine timing and performance.
21.23 EUR
inc. VAT 21%
In stock 24
Delivery 1 day (02.04.2026)
PN 408978
Make TOPRAN

This drive chain tensioner from TOPRAN is designed to maintain the correct tension on your vehicle's drive chain. Proper chain tension is crucial for ensuring accurate camshaft and crankshaft timing, which directly impacts engine performance and fuel efficiency. Over time, drive chains can stretch, leading to slack and potential timing issues. This tensioner component works to counteract that stretch, preventing noise, wear, and the risk of the chain jumping a tooth. It is engineered for reliable operation and durability. Replacing a worn or faulty tensioner is essential for the longevity of your engine's timing system. This TOPRAN part offers a direct fit for compatible applications, facilitating a straightforward installation process.

  • Maintains optimal drive chain tension
  • Prevents chain slack and noise
  • Ensures accurate engine timing
  • Contributes to smooth engine operation
  • Durable construction for longevity
  • Direct fit for compatible vehicles
  • Part of the engine timing system
Drive unit
Camshaft
Operating mode
Hydraulic
Screw head/nut profile
External hexagon
  • MERCEDES-BENZ
    • SPRINTER 3,5-t Autobuss (B906)
      • 318 CDI (906.731, 906.733, 906.735) (135kW/184PS)
      • 319 CDI / BlueTEC (906.731, 906.733, 906.735) (140kW/190PS)
      • 319 CDI / BlueTEC 4x4 (906.731, 906.733, 906.735) (140kW/190PS)
      • 318 CDI 4x4 (906.731, 906.733, 906.735) (135kW/184PS)
    • SPRINTER 3,5-t Furgons (B906)
      • 319 CDI / BlueTEC 4x4 (906.631, 906.633, 906.635,... (140kW/190PS)
      • 318 CDI (906.631, 906.633, 906.635, 906.637) (135kW/184PS)
      • 319 CDI / BlueTEC (906.631, 906.633, 906.635, 906.637) (140kW/190PS)
      • 318 CDI 4x4 (906.631, 906.633, 906.635, 906.637) (135kW/184PS)
    • C-CLASS (W204)
      • C 300 CDI 4-matic (204.092) (170kW/231PS)
      • C 350 CDI (204.023) (195kW/265PS)
      • C 320 CDI (204.022) (165kW/224PS)
      • C 320 CDI 4-matic (204.089) (165kW/224PS)
      • C 350 CDI (204.022) (165kW/224PS)
      • C 350 CDI 4-matic (204.089) (165kW/224PS)
      • C 350 CDI (204.025) (170kW/231PS)
      • C 350 CDI 4-matic (204.092) (170kW/231PS)
    • VITO / MIXTO Furgons (W639)
      • 122 CDI (639.601, 639.603, 639.605) (165kW/224PS)
      • 120 CDI (639.601, 639.603, 639.605) (150kW/204PS)
    • VITO Autobuss (W639)
      • 122 CDI (639.701, 639.703, 639.705) (165kW/224PS)
      • 120 CDI (639.701, 639.703, 639.705) (150kW/204PS)
    • VIANO (W639)
      • CDI 3.0 (639.811, 639.813, 639.815) (165kW/224PS)
      • CDI 3.0 (639.811, 639.813, 639.815) (150kW/204PS)
    • S-CLASS (W221, V221)
      • S 350 BlueTec (221.026, 221.126) (190kW/258PS)
      • S 350 BlueTEC 4-matic (221.083, 221.183) (190kW/258PS)
      • S 320 CDI (221.022, 221.122) (173kW/235PS)
      • S 320 CDI 4-matic (221.080, 221.180) (173kW/235PS)
      • S 420 CDI (221.028, 221.128) (235kW/320PS)
      • S 320 CDI 4-matic (221.080, 221.180) (155kW/211PS)
    • E-CLASS (W212)
      • E 300 CDI / BlueTEC (212.020, 212.021, 212.027) (170kW/231PS)
      • E 350 CDI (212.023) (195kW/265PS)
      • E 350 CDI 4-matic (212.093) (195kW/265PS)
      • E 350 BlueTEC (212.024) (155kW/211PS)
      • E 350 CDI (212.025) (170kW/231PS)
      • E 350 CDI 4-matic (212.089) (170kW/231PS)
      • E 300 CDI (212.020) (150kW/204PS)
      • E 350 BlueTEC (185kW/252PS)
      • E 350 BlueTEC (212.026) (190kW/258PS)
      • E 350 BlueTEC 4-matic (212.094) (190kW/258PS)
    • E-CLASS Kabriolets (A207)
      • E 350 CDI (207.423) (195kW/265PS)
      • E 350 CDI (207.422) (170kW/231PS)
      • E 350 BlueTEC/ d (207.426) (190kW/258PS)
    • E-CLASS T-Model (S212)
      • E 350 CDI (212.223) (195kW/265PS)
      • E 350 CDI 4-matic (212.293) (195kW/265PS)
      • E 350 CDI (212.225) (170kW/231PS)
      • E 350 CDI 4-matic (212.289) (170kW/231PS)
      • E 350 BlueTEC (212.224) (155kW/211PS)
      • E 300 CDI (212.220) (150kW/204PS)
      • E 300 CDI / BlueTEC (212.227, 212.221) (170kW/231PS)
      • E 350 BlueTEC (212.226) (190kW/258PS)
      • E 350 BlueTEC 4-matic (212.294) (190kW/258PS)
    • GLK-CLASS (X204)
      • 350 CDI 4-matic (204.992) (170kW/231PS)
      • 320 CDI 4-matic (204.983) (165kW/224PS)
      • 350 CDI 4-matic (204.993) (195kW/265PS)
    • M-CLASS (W166)
      • ML 350 BlueTEC 4-matic (166.024, 166.023) (190kW/258PS)
    • C-CLASS T-Model (S204)
      • C 350 CDI (204.223) (195kW/265PS)
      • C 320 CDI (204.222) (165kW/224PS)
      • C 320 CDI 4-matic (204.289) (165kW/224PS)
      • C 350 CDI (204.225) (170kW/231PS)
      • C 350 CDI 4-matic (204.292) (170kW/231PS)
      • C 300 CDI 4-matic (204.292) (170kW/231PS)
    • GL-CLASS (X164)
      • GL 350 CDI 4-matic (164.823) (195kW/265PS)
      • GL 420 CDI 4-matic (164.828) (225kW/306PS)
      • GL 320 CDI 4-matic (164.822) (165kW/224PS)
      • GL 350 CDI 4-matic (164.822) (165kW/224PS)
      • GL 450 CDI 4-matic (164.828) (225kW/306PS)
      • GL 320 CDI / 350 BlueTEC 4-matic (164.824, 164.825) (155kW/211PS)
    • SPRINTER 3,5-t Platforma/Šasija (B906)
      • 319 CDI / BlueTEC 4x4 (906.131, 906.133, 906.135,... (140kW/190PS)
      • 318 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (135kW/184PS)
      • 319 CDI / BlueTEC (906.131, 906.133, 906.135, 906.231,... (140kW/190PS)
      • 318 CDI 4x4 (906.131, 906.133, 906.135, 906.231, 906.233... (135kW/184PS)
    • M-CLASS (W163)
      • ML 400 CDI (163.128) (184kW/250PS)
    • E-CLASS (W211)
      • E 400 CDI (211.028) (191kW/260PS)
      • E 280 CDI (211.020) (140kW/190PS)
      • E 320 CDI (211.022) (165kW/224PS)
      • E 280 CDI 4-matic (211.084) (140kW/190PS)
      • E 420 CDI (211.029) (231kW/314PS)
      • E 300 BlueTEC (211.024) (155kW/211PS)
    • S-CLASS (W220, V220)
      • S 400 CDI (220.028, 220.128) (191kW/260PS)
    • M-CLASS (W164)
      • ML 280 CDI 4-matic (164.120) (140kW/190PS)
      • ML 320 CDI 4-matic (164.122) (165kW/224PS)
      • ML 420 CDI 4-matic (164.128) (225kW/306PS)
      • ML 300 CDI 4-matic (164.120) (140kW/190PS)
      • ML 350 CDI 4-matic (164.122) (165kW/224PS)
      • ML 350 CDI 4-matic (164.125, 164.124) (155kW/211PS)
      • ML 450 CDI 4-matic (164.128) (225kW/306PS)
      • ML 300 CDI 4-matic (164.121) (150kW/204PS)
      • ML 350 CDI 4-matic (164.125, 164.124) (170kW/231PS)
    • E-CLASS T-Model (S211)
      • E 320 T CDI (211.222) (165kW/224PS)
      • E 280 T CDI (211.220) (140kW/190PS)
      • E 280 T CDI 4-matic (211.284) (140kW/190PS)
    • CLK (C209)
      • CLK 320 CDI (209.320) (165kW/224PS)
    • C-CLASS (W203)
      • C 320 CDI (203.020) (165kW/224PS)
    • C-CLASS T-Model (S203)
      • C 320 CDI (203.220) (165kW/224PS)
    • SPRINTER 3-t Furgons (B906)
      • 218 CDI (906.611, 906.613) (135kW/184PS)
      • 219 CDI / BlueTEC (906.611, 906.613) (140kW/190PS)
    • SPRINTER 3-t Platforma/Šasija (B906)
      • 218 CDI (906.111, 906.113, 906.211, 906.213) (135kW/184PS)
      • 219 CDI / BlueTEC (906.111, 906.113, 906.211, 906.213) (140kW/190PS)
    • SPRINTER 5-t Furgons (B906)
      • 518 CDI (906.653, 906.655, 906.657) (135kW/184PS)
      • 519 CDI / BlueTEC (906.653, 906.655, 906.657) (140kW/190PS)
      • 518 CDI 4x4 (906.653, 906.655, 906.657) (135kW/184PS)
      • 519 CDI / BlueTEC 4x4 (906.653, 906.655, 906.657) (140kW/190PS)
    • SPRINTER 5-t Platforma/Šasija (B906)
      • 518 CDI (906.153, 906.155, 906.253, 906.255) (135kW/184PS)
      • 519 CDI / BlueTEC (906.153, 906.155, 906.253, 906.255) (140kW/190PS)
      • 518 CDI 4x4 (906.153, 906.155, 906.253, 906.255) (135kW/184PS)
      • 519 CDI / BlueTEC 4x4 (906.153, 906.155, 906.253,... (140kW/190PS)
    • CLK Kabriolets (A209)
      • CLK 320 CDI (209.420) (165kW/224PS)
    • E-CLASS Coupe (C207)
      • E 350 CDI (207.322) (170kW/231PS)
      • E 350 BlueTEC (207.326) (185kW/252PS)
      • E 350 BlueTEC / d (207.326) (190kW/258PS)
    • SPRINTER 4,6-t Furgons (B906)
      • 419 CDI (906.653, 906.655, 906.657) (140kW/190PS)
      • 418 CDI (906.653, 906.655, 906.657) (135kW/184PS)
    • SPRINTER 4,6-t Platforma/Šasija (B906)
      • 419 CDI (906.153, 906.155, 906.253, 906.255) (140kW/190PS)
      • 418 CDI (906.153, 906.155, 906.253, 906.255) (135kW/184PS)
    • GL-CLASS (X166)
      • GL 350 CDI / BlueTec 4-matic (166.823, 166.824) (190kW/258PS)
    • S-CLASS (W222, V222, X222)
      • S 350 BlueTEC / d (222.132, 222.032, 222.123) (190kW/258PS)
      • S 350 BlueTEC / d 4-matic (222.033, 222.133) (190kW/258PS)
    • GLE Coupe (C292)
      • 350 d 4-matic (292.323, 292.324) (190kW/258PS)
    • GLE (W166)
      • 350 d 4-matic (166.024) (190kW/258PS)
    • GLS (X166)
      • 350 d 4-matic (166.824) (190kW/258PS)
    • E-CLASS (W213)
      • E 350 d (213.033) (190kW/258PS)
    • E-CLASS T-Model (S213)
      • E 350 d (213.233) (190kW/258PS)
    • SPRINTER 3-t Autobuss (B906)
      • 218 CDI (906.711, 906.713) (135kW/184PS)
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