NGK
NGK Coil on Plug Boot

NGK 58942 Direct Ignition Coil Boot

Brand NGK 58942
Length 4.65
Grade Type Premium
Boot Color Black
Part Number Cpb-eu008
Stock Number 58942
Product line NGK Coil on Plug Boot
Fits Porsche · 30 vehicles

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

OE standards. Manufactured to meet durability and operational performance targets.

Black finish. A clean, service-ready boot with a 4.65-inch length.

Cross-references AP Exhaust 50030, DENSO Auto Parts 671-6270 and NGK 58942 for the same application. See all 12.

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NGK Coil on Plug Boot Overview

The NGK 58942 is a premium direct ignition coil boot for select Porsche applications. It is built as a coil-on-plug boot with a black finish and a 4.65-inch length for the specified ignition setup.

Key Features

  • Premium-grade ignition boot from NGK
  • Black coil-on-plug boot construction
  • 4.65-inch length for the listed application
  • Part number 58942, also identified as CPB-EU008
  • Fits Porsche 911, Boxster, and Cayman applications listed below

Detailed Description

NGK 58942 is a direct ignition coil boot from the NGK Coil on Plug Boot line, engineered for coil-on-plug ignition systems. The boot is specified for Porsche 911 models from 2001-2009, Porsche Boxster models from 2003-2008, and Porsche Cayman models from 2006-2008. Fitment notes indicate no wires are required and that six coils are required for the application. This part cross-references DENSO Auto Parts 671-6270 for the same application.

As part of NGK’s ignition product range, this boot reflects the brand’s focus on OE-level ignition components and replacement parts for domestic and import vehicles. The 58942 part number is useful when matching the correct coil boot for the listed Porsche fitments, and CPB-EU008 is the alternate identifier associated with this component.

Common Replacement Uses

  • Replacing a worn or damaged coil-on-plug boot
  • Restoring ignition connection integrity in the coil boot assembly
  • Addressing misfire concerns related to boot wear or deterioration
  • Replacing a boot with incorrect length or fitment

Installation Notes

Verify the vehicle application against the fitment list before installation. The listed applications note that no wires are required and that six coils are required. Confirm the boot length and part number 58942 before service to ensure the correct ignition component is selected.

Quality Assurance

NGK manufactures premium ignition products to OE standards and draws on more than 80 years of automotive experience. The brand’s global OE expertise and focus on durability and operational performance support consistent replacement quality for ignition service.

This part fits 30 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2009Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2008Porsche9113.8LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2008Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2008PorscheBoxster3.4LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2008PorscheBoxster2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2008PorscheCayman3.4LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2008PorscheCayman2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2007Porsche9113.8LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2007Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2007PorscheBoxster3.4LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2007PorscheBoxster2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2007PorscheCayman3.4LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2007PorscheCayman2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2006Porsche9113.8LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2006Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2006PorscheBoxster3.2LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2006PorscheBoxster2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2006PorscheCayman3.4LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2005Porsche9113.8LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2005Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2005PorscheBoxster3.2LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2005PorscheBoxster2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2004Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2004PorscheBoxster3.2LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2004PorscheBoxster2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2003Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2003PorscheBoxster3.2LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2003PorscheBoxster2.7LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2002Porsche9113.6LH6No wires required; 6 coils are required; NGK Coil on Plug Boot
2001Porsche9113.6LH6No wires required; 6 coils are required; 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.
AP Exhaust — 50030DENSO Auto Parts — 671-6270NGK — 58942PRENCO — 36-2047Standard Ignition — SPP70E35-7029175-103450030-1146043702466SPB134SPP70