Repair/Update Harness, Audi/Volkswagen 1.8T with 4-Wire Coils
The VW and Audi 1.8T engine, due to the proximity of the coils on the valve cover near the exhaust, suffer from harness degradation.
Our harness solution uses automotive grade wiring and harness building materials designed to withstand years of abuse and offer an affordable, elegant solution.
The VW and Audi 1.8T engine, due to the proximity of the coils on the valve cover near the exhaust, suffer from harness degredation. This is surprisingly common on cars less than 5 years old. The dealer recommends replacing the entire engine harness for over $1200.
Our harness solution uses automotive grade wiring and harness building materials designed to withstand years of abuse and offer an affordable, elegant solution.
12 wires need to be cut and crimped onto the OEM wiring, simply assemble the DT connector and plug the rest in.
Installation instructions can be found here: 1.8T Coil update install instructions.pdf
Make | Model | Years | Chassis | Engine |
---|---|---|---|---|
Audi | A4 | 1996-2001 | B5 | 1.8T |
Audi | A4 | 2002-2005 | B6 | 1.8T |
Audi | TT | 2000-2006 | 8N | 1.8T (180HP) |
Audi | TT | 2000-2006 | 8N | 1.8T (225HP) |
VW | Beetle | 1998-2010 | MkIV | 1.8T |
VW | GLI | 1999-2004 | MkIV | 1.8T |
VW | Golf | 1999-2005 | MkIV | 1.8T |
VW | GTI | 1999-2005 | MkIV | 1.8T |
VW | Jetta | 1999-2004 | MkIV | 1.8T |
VW | Passat | 1998-2005 | B5/B5.5 | 1.8T |
VW | Rabbit | 1999-2005 | MkIV | 1.8T |
![]() | The installation of your 034Motorsport 4-Wire Repair/Update Harness for Audi/Volkswagen 1.8T is a fairly involved process. You can access our detailed installation guide by clicking the icon on the left.
Download 034Motorsport 4-Wire Repair/Update Harness for Audi/Volkswagen 1.8T Install Guide |
SKU | 034-701-0004 |
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Manufacturer | 034Motorsport |
- Gasket, Valve Cover, Audi/Volkswagen 1.8TSpecial Price $34.20 Regular Price $38.00
- Coil Cover, Audi/Volkswagen 1.8T, Stainless SteelAs low as $53.10 Regular Price $59.00
- Fuel Rail, Audi/Volkswagen 1.8T, Billet AluminumSpecial Price $162.90 Regular Price $181.00
- 034Motorsport Billet Diverter (Bypass) Valve Upgrade for Audi/Volkswagen 1.8T, 2.2T, 2.7T, 4.2TAs low as $101.70 Regular Price $113.00
- Intake Manifold Spacer, 1.8T, PhenolicAs low as $68.40 Regular Price $76.00
Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.
Learn More: www.p65warnings.ca.gov