NGK
NGK Coil on Plug Boot

NGK 58937 Direct Ignition Coil Boot

Brand NGK 58937
Length 5.12
Grade Type Premium
Boot Color Black
Part Number Cpb-eu006
Stock Number 58937
Product line NGK Coil on Plug Boot
Fits Audi · 6 vehicles

Premium grade. Built as a replacement ignition boot for coil-on-plug service.

OE-standard focus. Manufactured to meet durability and operational performance targets.

Black boot construction with a 5.12-inch length.

Cross-references Continental 50069, Four Seasons 58937 and PRENCO 36-2042 for the same application. See all 12.

$18.60Free shipping
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NGK Coil on Plug Boot 58937

The NGK Coil on Plug Boot 58937 is a premium direct ignition coil boot built for ignition service on select Audi applications. It is a black coil boot with a 5.12-inch length and is identified by part number 58937 and CPB-EU006.

Key Features

  • Premium-grade ignition boot for coil-on-plug service
  • Black boot construction with a 5.12-inch length
  • NGK premium ignition product line
  • Part number 58937, also referenced as CPB-EU006

Product Details

NGK’s Coil on Plug Boot line focuses on replacement ignition components built to OE standards. This boot is part of NGK’s ignition hardware offering and is backed by the brand’s long history in ignition technology. For Audi A8 and Audi A8 Quattro applications, the boot supports direct ignition service where the coil boot is the serviceable component.

Fits 1997-1999 Audi A8, N/A. Fits 1997-1999 Audi A8 Quattro, N/A. This part cross-references Continental 50069 and Standard Ignition SPP57E for the same application.

What It Is Used For

  • Replacing a worn or damaged coil-on-plug boot
  • Restoring ignition transfer between the coil and spark plug
  • Addressing misfire concerns caused by boot wear or breakdown
  • Servicing ignition components during routine maintenance

Installation Notes and Tips

Verify the application by year, make, and model before installation. Confirm the boot length and connector style match the original component, and inspect the surrounding ignition components for heat damage, cracking, or carbon tracking before reassembly.

Quality Assurance

NGK manufactures premium ignition products to meet OE standards and draws on more than 80 years of automotive experience in ignition technology. Part number 58937 is part of NGK’s coil-on-plug boot program and is built for durability and operational performance.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1999AudiA83.7LV88 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot
1999AudiA8 Quattro4.2LV88 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot
1998AudiA83.7LV88 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot
1998AudiA8 Quattro4.2LV88 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot
1997AudiA83.7LV88 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot
1997AudiA8 Quattro4.2LV88 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 50069Four Seasons — 58937PRENCO — 36-2042Standard Ignition — SPP57E35-7031175-1032671-816550069-1148020702462SPB121SPP57