EGR coolant bypass for 2.0 TDI engines in Audi A4, A5, A6 and Q5, and Seat Exeo – 03L131512AB AC AH

Product code AT-BY012 EAN 5904276582688
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Exhaust Cooler Removal Kit, Bypass

Product description:

Application

Audi

  • Audi A4 Allroad B8 (8KH) 2.0 TDI 1968 ccm CAGB, CJCB, CSUB 136KM/100kW 2009/09–2016/05
  • Audi A4 Allroad B8 (8KH) 2.0 TDI 1,968 ccm CAHA 170 KM/125 kW 2009/04–2016/05
  • Audi A4 Allroad B8 (8KH) 2.0 TDI 1,968 ccm CAHB, CGLD, CNHC 163 KM/120 kW 2009/04–2016/05
  • Audi A4 Allroad B8 (8KH) 2.0 TDI 1,968 ccm CJCA, CAGA 143 KM/105 kW 2009/09–2016/05
  • Audi A4 B8 (8K2) 2.0 TDI 1,968 ccm CJCC, CAGC 120 KM/88 kW June 2008–December 2015
  • Audi A4 B8 (8K2) 2.0 TDI 1,968 ccm CAHA 170 KM/125 kW 2008/01–2012/03
  • Audi A4 B8 (8K2) 2.0 TDI 1,968 ccm CAGB, CJCB, CSUB 136 KM/100 kW Nov 2007–Dec 2015
  • Audi A4 B8 (8K2) 2.0 TDI 1,968 ccm CJCA, CAGA, CMFA, CMEA 143 KM/105 kW 2007/11–2015/12
  • Audi A4 B8 (8K2) 2.0 TDI 1,968 ccm CAHB, CGLD, CNHC 163 KM/120 kW 2008/08–2015/12
  • Audi A4 B8 Avant (8K5) 2.0 TDI 1,968 ccm CAHA 170 KM/125 kW April 2008–March 2012
  • Audi A4 B8 Avant (8K5) 2.0 TDI 1,968 ccm CJCA, CAGA, CMFA, CMEA 143 KM/105 kW 2008/04–2015/12
  • Audi A4 B8 Avant (8K5) 2.0 TDI 1,968 ccm CAGB, CJCB, CSUB 136 KM/100 kW April 2008–December 2015
  • Audi A4 B8 Avant (8K5) 2.0 TDI 1,968 ccm CAHB, CGLD, CNHC 163 km/h/120 kW 2008/08–2015/12
  • Audi A4 B8 Avant (8K5) 2.0 TDI 1,968 ccm CJCC, CAGC 120 KM/88 kW 2008/06–2015/12
  • Audi A5 (8T3) 2.0 TDI 1,968 ccm CAHA 170 KM/125 kW 08/2008–03/2012
  • Audi A5 (8T3) 2.0 TDI 1,968 ccm CAHB, CGLD, CNHC 163 KM/120 kW 08/2008–01/2017
  • Audi A5 Convertible (8F7) 2.0 TDI 1,968 ccm CAHA 170 KM/125 kW 2009/05–2012/03
  • Audi A5 Convertible (8F7) 2.0 TDI 1,968 ccm CAHB, CGLD 163 KM/120 kW May 2009–June 2014
  • Audi A5 Sportback (8TA) 2.0 TDI 1,968 ccm CAGB, CJCB, CSUB 136 KM/100 kW 09/2009–01/2017
  • Audi A5 Sportback (8TA) 2.0 TDI 1,968 ccm CJCA, CAGA, CMFA, CMEA 143 KM/105 kW 2009/09–2017/01
  • Audi A5 Sportback (8TA) 2.0 TDI 1,968 ccm CAHB, CGLD, CNHC 163 KM/120 kW 09/2009–01/2017
  • Audi A6 C6 (4F2) 2.0 TDI 1,968 ccm CAHB 163 KM/120 kW 04/2009–03/2011
  • Audi A6 C6 (4F2) 2.0 TDI 1,968 ccm CAHA 170 KM/125 kW 11/2008–03/2011
  • Audi A6 C6 (4F2) 2.0 TDI 1,968 ccm BNA, CAGB, BRF 136 KM/100 kW 2004/07–2011/03
  • Audi A6 C6 Avant (4F5) 2.0 TDI 1,968 ccm CAHB 163 KM/120 kW 2009/04–2011/08
  • Audi A6 C6 Avant (4F5) 2.0 TDI 1,968 ccm CAHA 170 KM/125 kW 2008/10–2011/08
  • Audi A6 C6 Avant (4F5) 2.0 TDI 1,968 ccm BNA, CAGB, BRF 136 KM/100 kW 2005/06–2011/08
  • Audi Q5 (8RB) 2.0 TDI 1,968 ccm CGLB, CMGA, CAHA 170 KM/125 kW 2008/11–2012/09
  • Audi Q5 (8RB) 2.0 TDI 1,968 ccm CAGB, CJCB, CSUB 136 KM/100 kW 2009/08–2017/05
  • Audi Q5 (8RB) 2.0 TDI 1,968 ccm CJCA, CAGA 143 KM/105 kW 2009/08–2013/05
  • Audi Q5 (8RB) 2.0 TDI 1,968 ccm CAHB, CGLA, CGLD, CNHC 163 KM/120 kW 2008/11–2017/05

SEAT
  • Seat Exeo (3R2) 2.0 TDI 1,968 ccm CAHA, CGLB 170 KM/125 kW 2009/02–2013/05
  • Seat Exeo (3R2) 2.0 TDI 1,968 ccm CAGC, CJCC 120 KM/88 kW 12/2008–05/2013
  • Seat Exeo (3R2) 2.0 TDI 1,968 ccm CJCA, CAGA 143 KM/105 kW 12/2008–05/2013
  • Seat Exeo ST (3R5) 2.0 TDI 1,968 ccm CAHA, CGLB 170 KM/125 kW May 2009–May 2013
  • Seat Exeo ST (3R5) 2.0 TDI 1,968 ccm CJCA, CAGA 143 KM/105 kW May 2009–May 2013
  • Seat Exeo ST (3R5) 2.0 TDI 1,968 ccm CAGC, CJCC 120 KM/88 kW 2009/07–2013/05

Engine displacement: 2.0 TDI (1968 cm³)

The vehicles listed above may have had different types of exhaust coolers. Please check carefully before purchasing parts.

Replaces parts with the following OEM numbers

  • 03L131512AB – AUDI / SEAT / SKODA / VAG / VW
  • 03L131512AC – AUDI / SEAT / SKODA / VAG / VW
  • 03L131512AH – AUDI / SEAT / SKODA / VAG / VW
  • 88494 – ARTNR_Z_TCD
  • CRG73003 – CASCO
  • CRG73003AS – CASCO
  • CRG73003GS – CASCO
  • CRG73003KS – CASCO

Benefits of installing the EGR plug kit and removing the exhaust cooler

  • Reduced contaminants in the intake—no backflow of exhaust gases means a cleaner intake manifold, less carbon buildup, and fewer 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 system failures—elimination of potential failure sources (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, powder-coated
  • Note: This kit is intended for use when removing or plugging the exhaust gas recirculation (EGR) valve.

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.

EGR bypass kit designed for 2.0 TDI 1968 cm³ engines used in Audi and Seat models. It enables the removal of the exhaust gas recirculation (EGR) cooler and the plugging of the EGR system, thereby reducing carbon build-up in the intake manifold and improving engine running stability. Made from durable, corrosion-resistant steel. The ideal solution for sporting applications and off-road use.

Manufacturer ADITECH
Materiał uszczelki Audi Seat
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-BY012

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