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NGK 58943 Direct Ignition Coil Boot
| Brand | NGK 58943 |
|---|---|
| Length | 4.49 |
| Grade Type | Premium |
| Boot Color | Black |
| Part Number | Cpb-eu009 |
| Stock Number | 58943 |
| Product line | NGK Coil on Plug Boot |
| Fits | Porsche · 12 vehicles |
Premium grade. Built as a premium ignition boot for coil-on-plug service.
OE-focused design. Manufactured to meet OE standards for ignition replacement.
Part reference. CPB-EU009 helps confirm the correct service part.
Cross-references DENSO Auto Parts 671-6269, NGK 58943 and PRENCO 36-2046 for the same application. See all 10.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
NGK Coil on Plug Boot Overview
The NGK 58943 is a premium direct ignition coil boot built for coil-on-plug applications. It is a black boot with a 4.49 length and is identified by part number CPB-EU009, with OE-focused engineering from NGK.
Key Features
- Premium-grade ignition boot for coil-on-plug systems
- Black boot construction for a clean, serviceable appearance
- 4.49 length for application-specific ignition service
- NGK premium ignition product line with OE-oriented manufacturing standards
- Part number 58943, also referenced as CPB-EU009
Detailed Description
NGK 58943 is a direct ignition coil boot designed for coil-on-plug ignition service where the boot interfaces directly with the coil assembly. As part of the NGK Coil on Plug Boot line, it reflects NGK’s long-standing focus on ignition components and OE-level manufacturing standards. The black premium boot is built for use in Porsche Boxster and Porsche 911 applications listed below, and the CPB-EU009 reference helps confirm the correct service part.
This part cross-references DENSO Auto Parts 671-6269 and Standard Ignition SPP71E for the same application.
What It Helps Address
- Cracked or worn ignition boot material
- Misfire concerns related to degraded coil boot contact
- Moisture intrusion at the coil-on-plug interface
- Loss of consistent spark transfer through the boot
- Service replacement needs for aging ignition hardware
Installation Notes and Tips
Fits 1997-2002 Porsche Boxster, N/A. Fits 1999-2001 Porsche 911, N/A. Notes for both applications state that no wires are required and 6 coils are required. Confirm the part number 58943 and CPB-EU009 reference before installation, and inspect the coil and surrounding ignition components for wear during service.
Quality Assurance
NGK positions this ignition component within its OE-focused product range and manufactures premium ignition parts to meet OE standards. The brand’s long automotive history and global manufacturing footprint support consistent replacement quality for ignition service.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2002 | Porsche | Boxster | 3.2L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 2002 | Porsche | Boxster | 2.7L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 2001 | Porsche | 911 | 3.4L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 2001 | Porsche | Boxster | 3.2L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 2001 | Porsche | Boxster | 2.7L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 2000 | Porsche | 911 | 3.4L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 2000 | Porsche | Boxster | 3.2L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 2000 | Porsche | Boxster | 2.7L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 1999 | Porsche | 911 | 3.4L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 1999 | Porsche | Boxster | 2.5L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 1998 | Porsche | Boxster | 2.5L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
| 1997 | Porsche | Boxster | 2.5L | H6 | No wires required; 6 coils are required; NGK Coil on Plug Boot |
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