Denso 671-8175 Direct Ignition Coil Boot Kit

Denso Ignition Coil Boot Kit for Mercedes-Benz

Denso 671-8175 is a Direct Ignition Coil Boot Kit built for Mercedes-Benz ignition service where OE-style fit and consistent spark transfer matter. It matches the factory-installed boot form, fit, color, and performance for a direct replacement on select Mercedes-Benz G550, GL450, GL550, SL550, CLS550, E550, ML550, S550, CL550, and CLK550 applications.

The Denso First Time Fit COP boot line is engineered to meet or exceed OE/OES standards in construction and performance. If you are replacing worn ignition coil boots on a Mercedes-Benz V8 application, this boot kit supports a clean, factory-style repair with the correct silicone boot material and black finish.

Key Features

• Direct Ignition Coil Boot Kit for OE-style ignition service
• Fits Mercedes-Benz applications including G550, GL450, GL550, SL550, CLS550, E550, ML550, S550, CL550, and CLK550
• Silicone boot material for heat-resistant ignition insulation
• Black boot color for factory-style appearance
• Single-terminal design with male/female terminal gender configuration
• Length: 111.30
• Denso First Time Fit COP boot set construction

Product Details

Denso 671-8175 is a direct ignition coil boot kit for Mercedes-Benz vehicles that use coil-on-plug ignition service. The boot set is built to duplicate the original equipment shape and performance, helping maintain proper spark delivery between the ignition coil and spark plug. This part cross-references NAPA Mileage Plus 6718175 and PROConnect 148023 for the same application.

For buyers searching for a Mercedes-Benz ignition coil boot kit, Mercedes-Benz G550 ignition boot replacement, or Denso 671-8175 for GL450 and S550 applications, this part provides an OE-style service solution backed by Denso’s First Time Fit product line.

What It Helps Address

• Cracked or heat-aged ignition coil boots
• Misfire conditions caused by poor spark transfer
• Hard starting related to worn coil boot insulation
• Rough idle from deteriorated ignition boot material
• Loss of ignition performance on coil-on-plug Mercedes-Benz engines

Installation Notes

Verify engine and ignition coil configuration before ordering. This part is listed for N/A position applications and should be matched to the vehicle’s original boot style and connector layout. Inspect the ignition coil, spark plug well, and surrounding components during service to confirm there is no oil intrusion, carbon tracking, or heat damage that could affect the repair.

Quality Assurance

Denso’s First Time Fit COP boot sets are produced to match factory-installed boots in form, fit, color, and performance, with construction that meets or exceeds OE/OES standards. That makes Denso 671-8175 a technical replacement choice for Mercedes-Benz ignition service where original-equipment consistency is important.