DELPHI NOx Sensor, NOx Catalyst ANS1034-12B1

Compatible with MERCEDES-BENZ B-CLASS Sports Tourer (W246, W242) , MERCEDES-BENZ M-CLASS (W166) , MERCEDES-BENZ S-CLASS (W222, V222, X222) Show more info
This DELPHI NOx sensor and catalyst unit is designed to monitor and control nitrogen oxide emissions. Ensure optimal engine performance and compliance with emission standards.
260.55 EUR
inc. VAT 21%
In stock 16
Delivery 1 day (15.05.2026)
PN ANS1034-12B1
Make DELPHI
EAN 5012759610145

The DELPHI NOx Sensor and Catalyst (part code ANS1034-12B1) is a crucial component for modern vehicle emission control systems. It plays a vital role in reducing harmful nitrogen oxide (NOx) emissions, which are a significant contributor to air pollution and smog. This integrated unit combines the functions of a NOx sensor and a catalytic converter. The sensor precisely measures the levels of NOx in the exhaust gas, providing real-time data to the engine control unit (ECU). The catalyst then works to convert these harmful NOx gases into less harmful substances like nitrogen and oxygen before they are released into the atmosphere. By ensuring accurate NOx measurement and effective catalytic conversion, this DELPHI component helps vehicles meet stringent environmental regulations and maintain optimal engine efficiency. Its robust design is built to withstand the harsh conditions of the exhaust system, offering reliability and longevity.

  • Direct fit for specified applications
  • Monitors and reduces NOx emissions
  • Integrated sensor and catalyst function
  • Ensures compliance with emission standards
  • Supports optimal engine performance
  • Durable construction for exhaust system conditions
  • Reliable DELPHI quality
Cable length [mm]
790
Number of pin contacts
5
Thread size
M20
Plug connector housing shape
Oval
  • MERCEDES-BENZ
    • B-CLASS Sports Tourer (W246, W242)
      • B 180 CDI (246.200) (80kW/109PS)
      • B 200 CDI (246.201) (100kW/136PS)
      • B 220 CDI / d (246.203) (125kW/170PS)
      • B 200 CDI / d (246.208) (100kW/136PS)
      • B 200 CDI / d 4-matic (246.202) (100kW/136PS)
      • B 220 CDI / d (246.203) (130kW/177PS)
      • B 220 CDI / d 4-matic (246.205) (130kW/177PS)
      • B 220 d 4-matic (246.205) (125kW/170PS)
    • M-CLASS (W166)
      • ML 250 CDI / BlueTEC 4-matic (166.004, 166.003) (150kW/204PS)
      • ML 350 BlueTEC 4-matic (166.024, 166.023) (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)
      • S 350 BlueTEC 4-matic (222.133) (185kW/252PS)
    • GLA-CLASS (X156)
      • GLA 200 CDI / d (156.908) (100kW/136PS)
      • GLA 200 CDI 4-matic (156.902) (100kW/136PS)
      • GLA 220 CDI (156.903) (125kW/170PS)
      • GLA 220 CDI 4-matic (156.905) (125kW/170PS)
      • GLA 220 d (156.903) (130kW/177PS)
      • GLA 220 d 4-matic (156.905) (130kW/177PS)
    • C-CLASS (W205)
      • C 250 BlueTEC / d 4-matic (205.009) (150kW/204PS)
      • C 220 d 4-matic (205.005) (125kW/170PS)
    • C-CLASS T-Model (S205)
      • C 220 BlueTEC / d (205.204) (125kW/170PS)
      • C 250 BlueTEC / d (205.208) (150kW/204PS)
      • C 250 BlueTEC / d 4-matic (205.209) (150kW/204PS)
      • C 220 BlueTEC / d (205.204) (120kW/163PS)
    • VITO Furgons (W447)
      • 109 CDI (447.601, 447.603, 447.605) (65kW/88PS)
      • 111 CDI (447.601, 447.603, 447.605) (84kW/114PS)
    • VITO Mixto (Double Cabin) (W447)
      • 109 CDI (447.701, 447.703, 447.705) (65kW/88PS)
      • 111 CDI (447.701, 447.703, 447.705) (84kW/114PS)
    • GLE (W166)
      • 250 d (166.006) (150kW/204PS)
      • 250 d 4-matic (166.004) (150kW/204PS)
      • 350 d 4-matic (166.024) (190kW/258PS)
    • GLC (X253)
      • 220 d 4-matic (253.905, 253.903) (125kW/170PS)
      • 250 d 4-matic (253.909) (150kW/204PS)
      • 220 d 4-matic (253.905, 253.903) (120kW/163PS)
    • GLC Coupe (C253)
      • 220 d 4-matic (253.303, 253.305) (125kW/170PS)
      • 350 d 4-matic (253.325) (190kW/258PS)
      • 220 d 4-matic (253.303, 253.305) (120kW/163PS)
    • A-CLASS (W177)
      • A 200 d (177.012) (110kW/150PS)
      • A 220 d (177.014) (140kW/190PS)
      • A 200 d 4-matic (177.013) (110kW/150PS)
      • A 220 d 4-matic (177.015) (140kW/190PS)
      • A 180 d (177.010) (85kW/116PS)
    • MARCO POLO Camper (W447)
      • 180 CDI (447.703) (84kW/114PS)
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