Genuine 028971766 Diesel Glow Plug Wiring Harness

Brand Genuine 028971766
Fits Volkswagen · 20 vehicles

Diesel glow plug harness. Provides the wiring connection for the secondary ignition system.

$140.08Free shipping
In stock · usually ships same day before 1pm CST
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Diesel Glow Plug Wiring Harness for Volkswagen TDI

This Genuine diesel glow plug wiring harness is a direct-fit electrical replacement for select Volkswagen diesel applications. It is built for vehicles that need reliable glow plug circuit connection and consistent cold-start performance.

  • Genuine replacement part: 028971766
  • Diesel glow plug wiring harness for secondary ignition service
  • Fits select Volkswagen Beetle, Jetta, Golf, and Passat diesel models
  • Application-specific fitment for factory-style harness routing
  • Compatible with 2001-2003 Volkswagen Beetle, N/A, 2 Wire
  • Compatible with 2002 Volkswagen Jetta, N/A, Thru 3/02; VIN 9M.2.165 506

Detailed Product Information

Part number 028971766 is a Genuine diesel glow plug wiring harness used in the secondary ignition system on select Volkswagen diesel vehicles. It supports the electrical connection between the glow plug circuit and the engine harness, helping maintain proper current delivery during cold starts. This part is listed for 1996-2003 Volkswagen applications, including Beetle, Jetta, Golf, and Passat models.

Compatible With 1997-2001 Volkswagen Golf, N/A; 1997-2001 Volkswagen Jetta, N/A; 1998-2000 Volkswagen Beetle, N/A; and 1996-1997 Volkswagen Passat, N/A. Part number 028971766 is also referenced by 028971766 for the same application.

What It Helps Address

  • Hard starting in cold weather
  • Glow plug circuit connection faults
  • Intermittent glow plug electrical contact
  • Warning lights related to glow plug circuit issues
  • Rough initial combustion during diesel startup

Installation Notes and Tips

Verify engine code, connector style, and VIN breakpoints before ordering, especially for the 2002 Volkswagen Jetta through 3/02 and VIN 9M.2.165 506. Inspect the glow plug terminals and harness routing before installation to confirm the replacement matches the original layout. Use the vehicle service information for proper routing and connection checks after installation.

Quality Assurance

Genuine OE-style replacement part for select Volkswagen diesel applications. Confirmed fitment includes 2001-2003 Volkswagen Beetle, 2002 Volkswagen Jetta, 1997-2001 Volkswagen Golf, 1997-2001 Volkswagen Jetta, 1998-2000 Volkswagen Beetle, and 1996-1997 Volkswagen Passat.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003VolkswagenBeetle1.9LL4N/A2 Wire
2002VolkswagenBeetle1.9LL4N/A2 Wire
2002VolkswagenJetta1.9LL4N/AThru 3/02; VIN 9M.2.165 506
2001VolkswagenBeetle1.9LL4N/A2 Wire
2001VolkswagenGolf1.9LL4N/A—
2001VolkswagenJetta1.9LL4N/A—
2000VolkswagenBeetle1.9LL4N/A—
2000VolkswagenGolf1.9LL4N/A—
2000VolkswagenJetta1.9LL4N/A—
1999VolkswagenBeetle1.9LL4N/A—
1999VolkswagenGolf1.9LL4N/A—
1999VolkswagenJetta1.9LL4N/A—
1998VolkswagenBeetle1.9LL4N/A—
1998VolkswagenGolf1.9LL4N/A—
1998VolkswagenJetta1.9LL4N/A—
1997VolkswagenGolf——N/A—
1997VolkswagenJetta——N/A—
1997VolkswagenJetta1.9LL4N/A—
1997VolkswagenPassat1.9LL4N/A—
1996VolkswagenPassat1.9LL4N/A—