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NGK 58971 Direct Ignition Coil Boot
| Brand | NGK 58971 |
|---|---|
| Length | 2.95 |
| Grade Type | Premium |
| Boot Color | Black |
| Part Number | Cpb-eu018 |
| Stock Number | 58971 |
| Product line | NGK Coil on Plug Boot |
| Fits | Jaguar · 27 vehicles |
Premium grade. Built as a coil-on-plug ignition boot for direct spark transfer.
Black boot design. 2.95-inch length for the listed ignition applications.
OE-focused engineering. NGK draws on extensive ignition expertise and OE standards.
Cross-references Continental 50065, DENSO Auto Parts 671-8176 and Four Seasons 58971 for the same application. See all 10.
NGK Coil-on-Plug Boot Overview
The NGK 58971 coil-on-plug boot is a premium ignition hardware replacement for select Jaguar applications. It is built for direct ignition systems and uses a black boot design with a 2.95-inch length for the specified fitments.
Key Features
- Premium-grade ignition boot for coil-on-plug systems
- Black boot construction with a 2.95-inch length
- Direct ignition hardware replacement for select Jaguar models
- NGK part number 58971, also identified as CPB-EU018
- Fits Jaguar Vanden Plas, XJ8, XJR, XK8, and XKR applications listed below
Detailed Description
NGK 58971 is a direct ignition coil boot designed for coil-on-plug service where the boot transfers spark energy from the ignition coil to the spark plug. The premium grade construction aligns with NGK’s OE-focused ignition product line and supports consistent electrical connection in the applications listed. This part cross-references Continental 50065 for the same application.
Fitment includes 1997-2002 Jaguar XK8, 1998-2003 Jaguar Vanden Plas, 1998-2003 Jaguar XJ8, 1998-2003 Jaguar XJR, and 2000-2002 Jaguar XKR. Use the NGK 58971 coil-on-plug boot when replacing worn ignition boots on these Jaguar models.
What It Is Used For
- Replacing cracked or heat-aged ignition boots
- Restoring spark transfer in coil-on-plug ignition systems
- Addressing misfire concerns tied to boot deterioration
- Correcting ignition leakage caused by worn boot insulation
Installation Notes and Tips
Verify the vehicle application against the listed fitment before installation. The fitment notes indicate direct ignition coil boots are required for the covered Jaguar applications, with no wiring needed. Inspect the coil, plug well, and surrounding ignition components for wear before installing the new boot.
Quality Assurance
NGK brings more than 80 years of ignition experience and OE-focused manufacturing to its replacement parts. The 58971 boot is produced to meet OE standards for durability and operational performance.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2003 | Jaguar | Vanden Plas | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2003 | Jaguar | XJ8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2003 | Jaguar | XJR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Jaguar | Vanden Plas | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Jaguar | XJ8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Jaguar | XJR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Jaguar | XK8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Jaguar | XKR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Jaguar | Vanden Plas | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Jaguar | XJ8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Jaguar | XJR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Jaguar | XK8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Jaguar | XKR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Jaguar | Vanden Plas | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Jaguar | XJ8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Jaguar | XJR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Jaguar | XK8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Jaguar | XKR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1999 | Jaguar | Vanden Plas | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1999 | Jaguar | XJ8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1999 | Jaguar | XJR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1999 | Jaguar | XK8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1998 | Jaguar | Vanden Plas | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1998 | Jaguar | XJ8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1998 | Jaguar | XJR | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1998 | Jaguar | XK8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 1997 | Jaguar | XK8 | 4.0L | V8 | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
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