W128 Mercedes 3.0 CDI OM642 EGR plug – A6421402560

Product code AT-EGR-W128 EAN 5904276582879
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Exhaust Gas Recirculation Valve Blanking Kit

Product description:

Application

  • Mercedes-Benz CLS 350 BlueTEC / d (C218) — 2987 ccm — OM642.853/OM642.852 — 258 KM/190 kW — June 2014–December 2017
  • Mercedes-Benz CLS 350 d 4-matic (C218) — 2,987 ccm — OM642.858/OM642.854 — 258 KM/190 kW — April 2015–December 2017
  • Mercedes-Benz CLS Shooting Brake 350 d 4-matic (X218) — 2,987 ccm — OM642.858/OM642.854 — 258 KM/190 kW — April 2015–December 2017
  • Mercedes-Benz CLS Shooting Brake 350 BlueTEC / d (X218) — 2,987 ccm — OM642.853/OM642.852 — 258 KM/190 kW — May 2014–December 2017
  • Mercedes-Benz CLS Shooting Brake 350 BlueTEC / d (X218) — 2,987 ccm — OM642.852/OM642.853 — 252 KM/185 kW — May 2014–December 2017
  • Mercedes-Benz E 350 BlueTEC (W212) — 2,987 ccm — OM642.852 — 258 KM/190 kW — May 2014–December 2015
  • Mercedes-Benz E 350 BlueTEC 4-matic (W212) — 2,987 ccm — OM642.858 — 258 KM/190 kW — May 2014–December 2015
  • Mercedes-Benz E 350 d 4-matic (W213) — 2,987 ccm — OM642.873 — 258 KM/190 kW — June 2017–May 2018
  • Mercedes-Benz E 350 d (W213) — 2,987 ccm — OM642.855 — 258 KM/190 kW — Jan 2016–May 2018
  • Mercedes-Benz E 350 d 4-MATIC All-Terrain (S213) — 2,987 ccm — OM642.873 — 258 KM/190 kW — June 2017–May 2018
  • Mercedes-Benz E 350 BlueTEC / d Convertible (A207) — 2,987 ccm — OM642.838 — 258 KM/190 kW — May 2014–December 2016
  • Mercedes-Benz E 350 d 4MATIC Convertible (A238) — 2,987 ccm — OM642.873 — 258 KM/190 kW — June 2017–
  • Mercedes-Benz E 350 BlueTEC / d Coupé (C207) — 2,987 ccm — OM642.838 — 258 KM/190 kW — May 2014–December 2016
  • Mercedes-Benz E 350 d 4-matic Coupé (C238) — 2,987 ccm — OM642.873 — 258 KM/190 kW — June 2017–
  • Mercedes-Benz E 350 BlueTEC 4-matic Station Wagon (S212) — 2,987 ccm — OM642.858/OM642.852 — 258 KM/190 kW — July 2014–December 2016
  • Mercedes-Benz E 350 BlueTEC T-Model (S212) — 2,987 ccm — OM642.852 — 258 KM/190 kW — July 2014–December 2016
  • Mercedes-Benz E 300 CDI / BlueTEC T-Model (S212) — 2,987 ccm — OM642.850/OM642.852 — 231 KM/170 kW — Nov. 2009–Dec. 2016
  • Mercedes-Benz E 350 d 4-matic T-Model (S213) — 2,987 ccm — OM642.873 — 258 KM/190 kW — June 2017–May 2018
  • Mercedes-Benz E 350 d T-Model (S213) — 2,987 ccm — OM642.855 — 258 KM/190 kW — Oct. 2016–May 2018
  • Mercedes-Benz G 350 d (W463) — 2,987 ccm — OM642.887 — 245 KM/180 kW — June 2015–April 2018
  • Mercedes-Benz GLC 350 d 4-matic (X253) — 2,987 ccm — OM642.873 — 258 KM/190 kW — Oct 2016–Apr 2019
  • Mercedes-Benz GLC 350 d 4-matic Coupé (C253) — 2,987 ccm — OM642.873 — 258 KM/190 kW — Oct. 2016–Apr. 2019
  • Mercedes-Benz GLE 350 d 4-matic (W166) — 2,987 ccm — OM642.826 — 258 KM/190 kW — April 2015–October 2018
  • Mercedes-Benz GLE 350 d 4-matic (W166) — 2,987 ccm — OM642.826 — 249 KM/183 kW — April 2015–October 2018
  • Mercedes-Benz GLE 350 d 4-matic Coupé (C292) — 2,987 ccm — OM642.826 — 249 KM/183 kW — Jan 2017–Oct 2019
  • Mercedes-Benz GLE 350 d 4-matic Coupé (C292) — 2,987 ccm — OM642.826/OM642.824 — 258 KM/190 kW — March 2015–October 2019
  • Mercedes-Benz GLS 350 d 4-matic (X166) — 2,987 ccm — OM642.826 — 258 KM/190 kW — November 2015–April 2019
  • Mercedes-Benz S 350 BlueTEC 4-matic (W222/V222/X222) — 2,987 ccm — OM642.867 — 252 KM/185 kW — February 2014–May 2017

Engine displacement: 3.0 CDI (2,987 cm³)

The vehicles listed above may have featured different versions of the EGR valve. Please check the EGR valve carefully before purchasing a part.

Replaces OEM part numbers

  • MERCEDES: 6421402560
  • MERCEDES: A6421402560
  • MERCEDES: 6421402260
  • MERCEDES: A6421402260
  • MERCEDES: 6421403060
  • MERCEDES: A6421403060
  • MERCEDES: 6421423380
  • MERCEDES: A6421423380

Benefits of Installing an EGR Plug

  • Reduced contamination in the intake system—no backflow of exhaust gases means a cleaner intake manifold and less carbon buildup and deposits.
  • More stable engine operation—less idle speed fluctuation, better throttle response.
  • Improved performance and dynamics—the absence of hot exhaust gases in the intake improves fuel-air mixture quality and combustion efficiency.
  • Lower risk of EGR malfunctions—elimination of the source of failure (stuck valve, damaged actuator, controller errors).
  • Less exhaust smoke—in many cases, combustion becomes more complete.
  • Extended engine oil life – less soot entering the oil via blow-by.
  • Possible reduction in fuel consumption—in some engines.
  • Lower intake temperatures—which can have a beneficial effect on the turbocharger and intercooler.

Technical Specifications

  • Plug material: acid-resistant steel;
  • all plugs undergo specialized vibratory finishing. This process removes sharp edges and smooths the surface
  • Gasket material: GAMBIT AF-1000—a material with exceptionally high strength properties, resistant to all conditions in the exhaust system
  • Note: Plugging the valve may cause a warning light to illuminate on the dashboard. In this case, the EGR valve must be deactivated via the vehicle’s software.

Aditech Sp. z o.o. assumes no liability for the use of this part on public roads where the removal of emission control devices is prohibited. It is the customer’s responsibility to ensure compliance with the rules and regulations applicable in their home country. For use in motorsports off public roads.

45EGR valve plug kit designed for 3.0 CDI (OM642) engines used in many Mercedes-Benz models. The components are made from high-quality acid-resistant steel and heat-resistant sealing material, ensuring durability and a reliable fit. The plug eliminates typical problems associated with the exhaust gas recirculation valve, improving engine running smoothness and reducing carbon build-up in the intake system. The ideal solution for sports applications and off-road use away from public roads.

Manufacturer ADITECH
Materiał uszczelki Mercedes-Benz
Safety information Install the product in accordance with its intended use. Before installation, check the condition of the product and ensure it is suitable for the intended application. Installation should be carried out by a person with the appropriate technical knowledg
Manufacturer’s code AT-EGR-W128

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