OEM Replacement Number: 028971766, 028-971-766, 028 971 766, 904-091.Ensure reliable cold starts and optimal engine performance with the Michigan Motorsports 2-Wire Glow Plug Wiring Harness, specifically designed for 1996-2004 Volkswagen TDI diesel models. Over time, factory wiring harnesses can degrade, leading to poor electrical connections and misfires. This direct replacement restores proper glow plug function, improving ignition and fuel efficiency. Built with high-quality materials, this wiring harness resists wear, corrosion, and high temperatures common in diesel engines. Installation is quick and easy, requiring no special tools or modifications—just plug it in and get back on the road. This wiring harness is compatible with Volkswagen Jetta, Golf, Beetle, and Passat models with 1.9L TDI engines. Whether you're a DIY mechanic or a professional, this part delivers OEM-level performance at a fraction of the cost. ✔ Fits Volkswagen TDI Models (1996-2004) ✔ Durable Design ✔ Simple Plug-and-Play Installation ✔ Restores Cold Start Reliability Upgrade your Volkswagen TDI diesel glow plug system today with the Michigan Motorsports 2-Wire Glow Plug Wiring Harness and experience better starts, smoother performance, and longer-lasting reliability.