TOPRAN 639 904 Pressure Converter, Exhaust Gas Control

Compatible with VW TOUAREG (7LA, 7L6, 7L7) , VW TRANSPORTER T5 Platforma/Šasija (7JD, 7JE, 7JL, 7JY, 7JZ, 7F , VW TRANSPORTER T5 Furgons (7HA, 7HH, 7EA, 7EH) Show more info
This TOPRAN pressure converter is designed for exhaust gas control systems. It ensures precise regulation of exhaust gas flow for optimal engine performance.
29.95 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (15.05.2026)
PN 639 904
Make TOPRAN

The TOPRAN 639 904 is a high-quality pressure converter engineered to manage exhaust gas recirculation (EGR) systems. This component plays a crucial role in controlling the flow of exhaust gases back into the engine's combustion chambers, which helps to reduce NOx emissions and improve fuel efficiency. Designed for reliable operation, this pressure converter ensures accurate and responsive control over the EGR valve. Its robust construction from durable materials guarantees longevity and consistent performance even under demanding engine conditions. Proper functioning of the EGR system is essential for maintaining engine health and meeting emission standards. Installation of the TOPRAN 639 904 is straightforward, designed to integrate seamlessly with compatible vehicle models. Replacing a faulty pressure converter can resolve issues such as rough idling, poor acceleration, and increased exhaust emissions. This part is a direct fit for the specified applications, offering a dependable solution for EGR system maintenance.

  • Direct replacement for original equipment
  • Ensures proper exhaust gas recirculation control
  • Helps reduce harmful emissions (NOx)
  • Improves engine performance and fuel economy
  • Durable construction for long service life
  • Designed for specific vehicle applications
  • Meets or exceeds OEM specifications
Operating mode
electro-pneumatic
Number of pin contacts
2
Plug connector housing shape
D-Shape
Valve type
Electromagnetic valve
Number of connections
3
Housing type
Plastic housing
Housing material
GFK (Glass Fiber Reinforced Plastic)
Nominal voltage [V]
1/2"
OE-number
1K0 906 627
  • VW
    • TOUAREG (7LA, 7L6, 7L7)
      • 2.5 R5 TDI (128kW/174PS)
      • 2.5 R5 TDI (120kW/163PS)
    • TRANSPORTER T5 Platforma/Šasija (7JD, 7JE, 7JL, 7JY, 7JZ, 7F
      • 1.9 TDI (63kW/85PS)
      • 1.9 TDI (77kW/105PS)
      • 2.5 TDI (96kW/130PS)
      • 2.5 TDI (128kW/174PS)
      • 2.5 TDI 4motion (96kW/130PS)
    • TRANSPORTER T5 Furgons (7HA, 7HH, 7EA, 7EH)
      • 1.9 TDI (63kW/85PS)
      • 1.9 TDI (77kW/105PS)
      • 2.5 TDI (96kW/130PS)
      • 2.5 TDI (128kW/174PS)
      • 2.5 TDI 4motion (96kW/130PS)
    • TRANSPORTER T5 Autobuss (7HB, 7HJ, 7EB, 7EJ)
      • 1.9 TDI (63kW/85PS)
      • 1.9 TDI (77kW/105PS)
      • 2.5 TDI (96kW/130PS)
      • 2.5 TDI (128kW/174PS)
      • 2.5 TDI 4motion (96kW/130PS)
      • 2.5 TDi (120kW/163PS)
    • CADDY III Lielas ietilpības automobilis (2KB, 2KJ, 2CB, 2CJ)
      • 2.0 SDI (51kW/70PS)
    • CADDY III Furgons/minivens (2KA, 2KH, 2CA, 2CH)
      • 2.0 SDI (51kW/70PS)
    • GOLF V (1K1)
      • 2.0 SDI (55kW/75PS)
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