TOPRAN 409 577 Exhaust Gas Temperature Sensor

Compatible with MERCEDES-BENZ SPRINTER 3,5-t Autobuss (B906) , MERCEDES-BENZ SPRINTER 3,5-t Furgons (B906) , MERCEDES-BENZ S-CLASS (W221, V221) Show more info
Measures exhaust gas temperature to optimize engine performance and emissions. Ensures accurate readings for your vehicle's exhaust system.
29.89 EUR
inc. VAT 21%
In stock 10
Delivery 1 day (14.05.2026)
PN 409 577
Make TOPRAN

This TOPRAN exhaust gas temperature sensor, part number 409 577, is designed to monitor the temperature of gases within your vehicle's exhaust system. Accurate exhaust gas temperature readings are crucial for the proper functioning of modern engines. They help the engine control unit (ECU) to make real-time adjustments to fuel injection and ignition timing, thereby optimizing performance, fuel efficiency, and reducing harmful emissions. When this sensor malfunctions, it can lead to various issues, including poor engine performance, increased fuel consumption, and illuminated check engine lights. Replacing a faulty sensor with a reliable component like this TOPRAN unit can restore your vehicle's optimal operating conditions. This sensor is engineered to meet or exceed original equipment specifications, ensuring a precise fit and reliable operation. It is a direct replacement for the original part, making installation straightforward.

  • Direct replacement for original exhaust gas temperature sensor
  • Monitors exhaust gas temperature for optimal engine performance
  • Helps reduce emissions and improve fuel efficiency
  • Ensures accurate data for the Engine Control Unit (ECU)
  • Designed to meet or exceed OEM specifications
  • Reliable performance and durability
  • Part number: 409 577
  • Brand: TOPRAN
Installation side
Catalyst
Number of pin contacts
2
Wrench size
17
Cable length [mm]
706
Sensor type
NTC sensor
Additional article/Additional info 2
with wire
Housing material
Stainless steel
Screw head/nut profile
Hex key
Form
straight
  • 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)
      • 313 CDI (906.731, 906.733, 906.735) (95kW/129PS)
      • 319 CDI / BlueTEC 4x4 (906.731, 906.733, 906.735) (140kW/190PS)
      • 311 CDI (906.731, 906.733, 906.735) (80kW/109PS)
      • 315 CDI (906.731, 906.733, 906.735) (110kW/150PS)
      • 311 CDI 4x4 (906.731, 906.733, 906.735) (80kW/109PS)
      • 315 CDI 4x4 (906.731, 906.733, 906.735) (110kW/150PS)
      • 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)
      • 311 CDI (906.631, 906.633, 906.635, 906.637) (80kW/109PS)
      • 315 CDI (906.631, 906.633, 906.635, 906.637) (110kW/150PS)
      • 309 CDI (906.631, 906.633, 906.635, 906.637) (65kW/88PS)
      • 318 CDI (906.631, 906.633, 906.635, 906.637) (135kW/184PS)
      • 313 CDI (906.631, 906.633, 906.635, 906.637) (95kW/129PS)
      • 319 CDI / BlueTEC (906.631, 906.633, 906.635, 906.637) (140kW/190PS)
      • 311 CDI 4x4 (906.631, 906.633, 906.635, 906.637) (80kW/109PS)
      • 315 CDI 4x4 (906.631, 906.633, 906.635, 906.637) (110kW/150PS)
      • 318 CDI 4x4 (906.631, 906.633, 906.635, 906.637) (135kW/184PS)
    • S-CLASS (W221, V221)
      • S 350 BlueTEC 4-matic (221.083, 221.183) (190kW/258PS)
    • SPRINTER 3,5-t Platforma/Šasija (B906)
      • 319 CDI / BlueTEC 4x4 (906.131, 906.133, 906.135,... (140kW/190PS)
      • 311 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (80kW/109PS)
      • 315 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (110kW/150PS)
      • 309 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (65kW/88PS)
      • 318 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (135kW/184PS)
      • 313 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (95kW/129PS)
      • 319 CDI / BlueTEC (906.131, 906.133, 906.135, 906.231,... (140kW/190PS)
      • 311 CDI 4x4 (906.131, 906.133, 906.135, 906.231, 906.233... (80kW/109PS)
      • 315 CDI 4x4 (906.131, 906.133, 906.135, 906.231, 906.233... (110kW/150PS)
      • 318 CDI 4x4 (906.131, 906.133, 906.135, 906.231, 906.233... (135kW/184PS)
    • E-CLASS (W211)
      • E 320 CDI (211.026) (150kW/204PS)
      • E 280 CDI (211.023) (130kW/177PS)
    • E-CLASS T-Model (S211)
      • E 320 T CDI (211.226) (150kW/204PS)
      • E 280 T CDI (211.223) (130kW/177PS)
    • SPRINTER 3-t Furgons (B906)
      • 209 CDI (906.611, 906.613) (65kW/88PS)
      • 211 CDI (906.611, 906.613) (80kW/109PS)
      • 213 CDI (906.611, 906.613) (95kW/129PS)
      • 215 CDI (906.611, 906.613) (110kW/150PS)
      • 218 CDI (906.611, 906.613) (135kW/184PS)
      • 219 CDI / BlueTEC (906.611, 906.613) (140kW/190PS)
    • SPRINTER 3-t Platforma/Šasija (B906)
      • 209 CDI (906.111, 906.113, 906.211, 906.213) (65kW/88PS)
      • 211 CDI (906.111, 906.113, 906.211, 906.213) (80kW/109PS)
      • 213 CDI (906.111, 906.113, 906.211, 906.213) (95kW/129PS)
      • 215 CDI (906.111, 906.113, 906.211, 906.213) (110kW/150PS)
      • 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 3-t Autobuss (B906)
      • 211 CDI (906.711, 906.713) (80kW/109PS)
      • 215 CDI (906.711, 906.713) (110kW/150PS)
      • 218 CDI (906.711, 906.713) (135kW/184PS)
    • SPRINTER 5-t Furgons (B906)
      • 509 CDI (906.653, 906.655, 906.657) (65kW/88PS)
      • 511 CDI (906.653, 906.655, 906.657) (80kW/109PS)
      • 515 CDI (906.653, 906.655, 906.657) (110kW/150PS)
      • 518 CDI (906.653, 906.655, 906.657) (135kW/184PS)
      • 519 CDI / BlueTEC (906.653, 906.655, 906.657) (140kW/190PS)
      • 513 CDI (906.653, 906.655, 906.657) (95kW/129PS)
      • 518 CDI 4x4 (906.653, 906.655, 906.657) (135kW/184PS)
      • 511 CDI 4x4 (906.653, 906.655, 906.657) (80kW/109PS)
      • 515 CDI 4x4 (906.653, 906.655, 906.657) (110kW/150PS)
      • 519 CDI / BlueTEC 4x4 (906.653, 906.655, 906.657) (140kW/190PS)
    • SPRINTER 5-t Platforma/Šasija (B906)
      • 509 CDI (906.153, 906.155, 906.253, 906.255) (65kW/88PS)
      • 511 CDI (906.153, 906.155, 906.253, 906.255) (80kW/109PS)
      • 515 CDI (906.153, 906.155, 906.253, 906.255) (110kW/150PS)
      • 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)
      • 513 CDI (906.155, 906.253, 906.255) (95kW/129PS)
      • 511 CDI 4x4 (906.155, 906.253, 906.255) (80kW/109PS)
      • 515 CDI 4x4 (906.153, 906.155, 906.253, 906.255) (110kW/150PS)
      • 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)
    • SPRINTER 4,6-t Furgons (B906)
      • 419 CDI (906.653, 906.655, 906.657) (140kW/190PS)
      • 411 CDI (906.653, 906.655, 906.657) (80kW/109PS)
      • 415 CDI (906.653, 906.655, 906.657) (110kW/150PS)
      • 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)
      • 415 CDI (906.153, 906.155, 906.253, 906.255) (110kW/150PS)
      • 418 CDI (906.153, 906.155, 906.253, 906.255) (135kW/184PS)
      • 411 CDI (906.153, 906.155, 906.253, 906.255) (80kW/109PS)
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