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TOPRAN TOPRAN 638 554 Exhaust Gas Temperature Sensor 638554

TOPRAN 638 554 Exhaust Gas Temperature Sensor

Compatible with AUDI A7 Sportback (4GA, 4GF) , AUDI A6 C7 (4G2, 4GC) , AUDI A6 C7 Avant (4G5, 4GD) Show more info
This TOPRAN sensor accurately measures exhaust gas temperature, crucial for optimal engine performance and emissions control.
24.98 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (14.05.2026)
PN 638 554
Make TOPRAN

The TOPRAN 638 554 Exhaust Gas Temperature Sensor is designed to provide precise readings of the temperature within your vehicle's exhaust system. This data is vital for the engine control unit (ECU) to manage fuel injection, ignition timing, and emission control systems effectively. Proper functioning of the exhaust gas temperature sensor helps prevent overheating, ensures efficient combustion, and contributes to reduced pollutant emissions. A faulty sensor can lead to poor engine performance, increased fuel consumption, and potential damage to exhaust components. Crafted with quality materials, this TOPRAN sensor offers reliable and durable performance, ensuring accurate measurements over time. It is a direct replacement for the original part, facilitating a straightforward installation process.

  • Measures exhaust gas temperature accurately
  • Essential for engine control unit (ECU) operation
  • Helps optimize fuel efficiency
  • Contributes to reduced emissions
  • Prevents exhaust system overheating
  • Durable construction for long-lasting performance
  • Direct fit replacement part
Installation side
pre-particulate filter
Exhaust gas system
For vehicles with a factory-installed soot/particulate filter
Component number
G 448
Component number
G 495
Number of pin contacts
2
Mounting type
screwed
Connector color
brown
Sensor type
NTC sensor
Cable length [mm]
449
Overall length [mm]
608
Wrench size
17
Plug connector housing shape
D-Shape
Additional article/Additional info 2
with wire
Additional article/Additional info 2
with a heat-resistant tube
Screw head/nut profile
Hex key
Form
straight
  • AUDI
    • A7 Sportback (4GA, 4GF)
      • 3.0 TDI (150kW/204PS)
      • 3.0 TDI quattro (150kW/204PS)
      • 3.0 TDI quattro (180kW/245PS)
      • 3.0 TDI quattro (176kW/239PS)
    • A6 C7 (4G2, 4GC)
      • 3.0 TDI (150kW/204PS)
      • 3.0 TDI quattro (150kW/204PS)
      • 3.0 TDI quattro (180kW/245PS)
    • A6 C7 Avant (4G5, 4GD)
      • 3.0 TDI (150kW/204PS)
      • 3.0 TDI quattro (150kW/204PS)
      • 3.0 TDI quattro (180kW/245PS)
    • A8 D4 (4H2, 4H8, 4HC, 4HL)
      • 3.0 TDI (150kW/204PS)
      • 3.0 TDI quattro (155kW/211PS)
      • 3.0 TDI quattro (184kW/250PS)
      • 3.0 TDI quattro (176kW/239PS)
    • A5 (8T3)
      • 3.0 TDI (150kW/204PS)
      • 3.0 TDI quattro (180kW/245PS)
      • 3.0 TDI quattro (160kW/218PS)
    • A5 Sportback (8TA)
      • 3.0 TDI (150kW/204PS)
      • 3.0 TDI quattro (180kW/245PS)
      • 3.0 TDI quattro (160kW/218PS)
    • A4 B8 (8K2)
      • 3.0 TDI quattro (180kW/245PS)
      • 3.0 TDI (150kW/204PS)
    • A4 B8 Avant (8K5)
      • 3.0 TDI quattro (180kW/245PS)
      • 3.0 TDI (150kW/204PS)
    • Q5 (8RB)
      • 3.0 TDI quattro (180kW/245PS)
AUDI
8K0 906 088
PORSCHE
8K0 906 088
SEAT
8K0 906 088
SKODA
8K0 906 088
VW
8K0 906 088
VAG
8K0 906 088
CUPRA
8K0 906 088
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