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NGK 58903 Direct Ignition Coil Boot
Reliable Ignition Performance for Cadillac and Oldsmobile Models
The NGK Coil on Plug Boot 58903 is designed to provide consistent ignition performance for select Cadillac and Oldsmobile vehicles. Engineered with a premium grade type and a durable black boot, this direct ignition coil boot ensures a secure connection and optimal spark delivery.
- Length: 4.33 inches for precise fitment
- Premium grade type for enhanced durability
- Black boot color for standard OEM appearance
- Part Number: CPB-GM002 for accurate identification
- Compatible with Cadillac Aurora, DeVille, Eldorado, and Seville models
About the NGK Coil on Plug Boot Product Line
The NGK Coil on Plug Boot product line focuses on delivering high-quality ignition components designed to maintain reliable electrical connections between ignition coils and spark plugs. This product line emphasizes durability and fitment accuracy, making it suitable for direct ignition systems in various vehicle makes, including Cadillac and Oldsmobile. The 58903 part number is part of this line, ensuring compatibility and performance for specific GM models.
Product Details and Specifications
This direct ignition coil boot measures 4.33 inches in length, providing a precise fit for the ignition system of Cadillac Aurora, DeVille, Eldorado, and Seville vehicles. The premium grade construction enhances resistance to heat and electrical wear, while the black boot color matches OEM standards. Identified by part number CPB-GM002 and stock number 58903, this coil boot is engineered to maintain a secure and stable connection, which is critical for efficient engine operation.
Common Applications and Problem Solving
- Restores proper ignition coil to spark plug connection
- Prevents misfires caused by worn or damaged coil boots
- Reduces electrical arcing and improves spark delivery
- Helps maintain engine performance and fuel efficiency
- Addresses ignition system issues in Cadillac Aurora, DeVille, Eldorado, and Seville
Installation Notes and Tips
Ensure the ignition system is cool before installation to avoid damage. Carefully remove the old coil boot without pulling on the ignition coil wire. Align the NGK Coil on Plug Boot 58903 properly to the ignition coil and spark plug to secure a tight fit. Verify the connection is firm to prevent ignition issues. Consult the vehicle’s service manual for torque specifications and detailed installation procedures.
Quality Assurance and Warranty
NGK maintains strict quality control standards for its ignition components, including the Coil on Plug Boot 58903. Manufactured to meet OEM specifications, this part supports reliable ignition system performance. Warranty details are provided by NGK and may vary; please refer to NGK’s official documentation for specific warranty information.
| Brand | NGK |
| Part Number | 58903 |
| Position | NGK Coil on Plug Boot |
| Length | 4.33 |
| Grade Type | Premium |
| Boot Color | Black |
| Part Number | Cpb-gm002 |
| Stock Number | 58903 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Cadillac | DeVille | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2003 | Cadillac | Seville | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2003 | Oldsmobile | Aurora | 4.0L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Cadillac | DeVille | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Cadillac | Eldorado | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Cadillac | Seville | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2002 | Oldsmobile | Aurora | 4.0L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Cadillac | DeVille | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Cadillac | Eldorado | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Cadillac | Seville | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2001 | Oldsmobile | Aurora | 4.0L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Cadillac | DeVille | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Cadillac | Eldorado | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
| 2000 | Cadillac | Seville | 4.6L | V8 | N/A | 8 direct ignition coil boots required, no wiring needed.; NGK Coil on Plug Boot |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.