TOPRAN 639 903 Pressure Converter, Turbocharger

Compatible with MERCEDES-BENZ C-CLASS T-Model (S202) , MERCEDES-BENZ A-CLASS (W168) , MERCEDES-BENZ E-CLASS (W210) Show more info
This TOPRAN pressure converter is designed for turbocharger systems. It ensures optimal boost pressure regulation for improved engine performance.
29.35 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (15.05.2026)
PN 639 903
Make TOPRAN

The TOPRAN 639 903 pressure converter is a crucial component for managing the boost pressure within your vehicle's turbocharger system. Engineered for reliability and precise operation, this part plays a vital role in maintaining consistent and efficient turbocharger performance. Proper functioning of the pressure converter is essential for delivering the correct amount of air to the engine under various load conditions. This helps to prevent over-boosting or under-boosting, both of which can negatively impact engine power, fuel efficiency, and longevity. By ensuring accurate control, the TOPRAN converter contributes to a smoother driving experience and optimal engine response. Crafted with quality materials, the 639 903 model from TOPRAN is built to withstand the demanding environment of a turbocharger system. Its design aims for direct fitment, simplifying the installation process for mechanics and DIY enthusiasts alike. Choosing a reputable brand like TOPRAN means investing in a component that meets stringent quality standards.

  • Direct replacement pressure converter for turbocharger systems
  • Ensures accurate boost pressure regulation
  • Contributes to optimal engine performance and efficiency
  • Designed for reliable and long-lasting operation
  • High-quality construction for durability
  • Facilitates consistent turbocharger response
  • Part of the TOPRAN range of engine components
Operating mode
electro-pneumatic
Number of pin contacts
2
Plug connector housing shape
Oval
Valve type
Electromagnetic valve
Number of connections
3
Housing type
Plastic housing
Housing material
GFK (Glass Fiber Reinforced Plastic)
Nominal voltage [V]
1/2"
  • MERCEDES-BENZ
    • C-CLASS T-Model (S202)
      • C 220 T CDI (202.193) (92kW/125PS)
      • C 200 T CDI (202.194) (75kW/102PS)
    • A-CLASS (W168)
      • A 160 CDI (168.007) (44kW/60PS)
      • A 170 CDI (168.008) (66kW/90PS)
      • A 160 CDI (168.006) (55kW/75PS)
      • A 170 CDI (168.009, 168.109) (70kW/95PS)
    • E-CLASS (W210)
      • E 200 CDI (210.007) (85kW/116PS)
      • E 220 CDI (210.006) (105kW/143PS)
      • E 270 CDI (210.016) (125kW/170PS)
      • E 320 CDI (210.026) (145kW/197PS)
    • E-CLASS T-Model (S210)
      • E 320 T CDI (210.226) (145kW/197PS)
      • E 270 T CDI (210.216) (125kW/170PS)
      • E 220 T CDI (210.206) (105kW/143PS)
    • M-CLASS (W163)
      • ML 270 CDI (163.113) (120kW/163PS)
    • S-CLASS (W220, V220)
      • S 320 CDI (220.026, 220.126) (145kW/197PS)
    • C-CLASS (W203)
      • C 200 CDI (203.004) (85kW/116PS)
      • C 270 CDI (203.016) (125kW/170PS)
      • C 220 CDI (203.006, 203.008) (105kW/143PS)
    • SPRINTER 2-t Autobuss (B901, B902)
      • 208 CDI (901.671, 902.671, 902.672) (60kW/82PS)
      • 211 CDI (902.671, 902.672) (80kW/109PS)
      • 213 CDI (902.671, 902.672) (95kW/129PS)
      • 216 CDI (902.671, 902.672) (115kW/156PS)
    • SPRINTER 3-t Autobuss (B903)
      • 308 CDI (903.671, 903.672, 903.673) (60kW/82PS)
      • 311 CDI (903.671, 903.672) (80kW/109PS)
      • 313 CDI (903.671, 903.672) (95kW/129PS)
      • 316 CDI (903.671, 903.672, 903.673) (115kW/156PS)
      • 311 CDI 4x4 (903.672, 903.673) (80kW/109PS)
      • 313 CDI 4x4 (903.672, 903.673) (95kW/129PS)
      • 316 CDI 4x4 (903.672, 903.673) (115kW/156PS)
    • SPRINTER 2-t Furgons (B901, B902)
      • 208 CDI (901.661, 901.662, 902.661, 902.662) (60kW/82PS)
      • 211 CDI (901.661, 901.662, 902.661, 902.662) (80kW/109PS)
      • 213 CDI (901.661, 901.662, 902.661, 902.662) (95kW/129PS)
      • 216 CDI (902.661, 902.662) (115kW/156PS)
    • SPRINTER 2-t Platforma/Šasija (B901, B902)
      • 208 CDI (901.611, 901.612, 901.621, 902.611, 902.612,... (60kW/82PS)
      • 211 CDI (901.621, 902.611, 902.612, 902.621, 902.622) (80kW/109PS)
      • 213 CDI (901.621, 902.611, 902.612, 902.621, 902.622) (95kW/129PS)
      • 216 CDI (902.611, 902.612, 902.621, 902.622) (115kW/156PS)
    • SPRINTER 3-t Furgons (B903)
      • 308 CDI (903.661, 903.662, 903.663) (60kW/82PS)
      • 311 CDI (903.661, 903.662, 903.663) (80kW/109PS)
      • 313 CDI (903.663, 903.662, 903.661) (95kW/129PS)
      • 316 CDI (903.661, 903.662, 903.663) (115kW/156PS)
      • 311 CDI 4x4 (903.662, 903.663) (80kW/109PS)
      • 313 CDI 4x4 (903.662, 903.663) (95kW/129PS)
      • 316 CDI 4x4 (903.662, 903.663) (115kW/156PS)
    • SPRINTER 3-t Platforma/Šasija (B903)
      • 308 CDI (903.611, 903.612, 903.613, 903.621, 903.622,... (60kW/82PS)
      • 311 CDI (903.611, 903.612, 903.613, 903.621, 903.622,... (80kW/109PS)
      • 313 CDI (903.611, 903.612, 903.621, 903.622) (95kW/129PS)
      • 316 CDI (903.611, 903.612, 903.613, 903.621, 903.622,... (115kW/156PS)
      • 311 CDI 4x4 (903.612, 903.613, 903.622, 903.623) (80kW/109PS)
      • 313 CDI 4x4 (903.612, 903.613, 903.622, 903.623) (95kW/129PS)
      • 316 CDI 4x4 (903.612, 903.613, 903.622, 903.623) (115kW/156PS)
    • SPRINTER 4-t Platforma/Šasija (B904)
      • 408 CDI (60kW/82PS)
      • 411 CDI (80kW/109PS)
      • 411 CDI 4x4 (80kW/109PS)
      • 413 CDI (95kW/129PS)
      • 413 CDI 4x4 (95kW/129PS)
      • 416 CDI (115kW/156PS)
      • 416 CDI 4x4 (115kW/156PS)
    • SPRINTER 4-t Furgons (B904)
      • 408 CDI (60kW/82PS)
      • 411 CDI (80kW/109PS)
      • 413 CDI (95kW/129PS)
      • 416 CDI (115kW/156PS)
      • 411 CDI 4x4 (80kW/109PS)
      • 413 CDI 4x4 (95kW/129PS)
      • 416 CDI 4x4 (115kW/156PS)
    • C-CLASS T-Model (S203)
      • C 200 CDI (203.204) (85kW/116PS)
      • C 220 CDI (203.206, 203.208) (105kW/143PS)
      • C 270 CDI (203.216) (125kW/170PS)
    • VANEO (414)
      • 1.7 CDI (414.700) (55kW/75PS)
      • 1.7 CDI (414.700) (67kW/91PS)
    • CLK (C209)
      • CLK 270 CDI (209.316) (125kW/170PS)
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