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Denso 671-4163 Spark Plug Wire Set
Reliable Spark Plug Wire Set for Toyota MR2
The Denso 7mm Spark Plug Wire Set (Part Number 671-4163) is engineered to provide consistent ignition performance for Toyota MR2 vehicles. Designed with precision, this set ensures optimal electrical conductivity and durability under demanding conditions.
- Silicone PBT silicone spark plug boot material for heat resistance
- 7.00 mm insulation outside diameter for effective electrical insulation
- 105-degree angled spark plug end boots for precise fitment
- Female spark plug end terminal type and male distributor coil end terminal type
- Includes four angled spark plug end boots for complete replacement
Detailed Features of the Denso 7mm Spark Plug Wire Set
This spark plug wire set features silicone PBT silicone boots that provide excellent resistance to heat and environmental factors, ensuring long-lasting performance. The 7.00 mm insulation diameter offers reliable protection against electrical interference and arcing. The 105-degree angled spark plug end boots are designed to fit securely on the spark plugs of the Toyota MR2, facilitating easy installation and a secure connection. The set includes female terminals on the spark plug end and male terminals on the distributor coil end, matching factory specifications for proper fit and function.
About the Denso 7mm Brand Line
The 7mm brand line from Denso focuses on ignition wire sets with a 7.00 mm insulation diameter, balancing flexibility and durability. This line is tailored to meet the ignition system requirements of specific vehicle models like the Toyota MR2, providing reliable electrical insulation and resistance to heat and wear. The 7mm wires are designed to maintain consistent spark delivery, contributing to efficient engine performance.
Applications and Common Issues Addressed
- Compatible with Toyota MR2 ignition systems requiring 7mm spark plug wires
- Replaces worn or damaged spark plug wires causing misfires or rough idling
- Addresses ignition wire insulation breakdown leading to electrical leakage
- Solves poor spark plug connection issues due to damaged boots or terminals
- Improves engine starting and overall ignition reliability
Installation Notes and Tips
When installing the Denso 671-4163 spark plug wire set, ensure the 105-degree angled boots align properly with the spark plugs for a secure fit. Verify that the female terminals connect firmly to the spark plugs and the male terminals attach correctly to the distributor coil. Avoid stretching the wires excessively during installation to prevent damage to the insulation or terminals. It is recommended to replace all wires in the set simultaneously to maintain balanced ignition performance.
Quality Assurance and Warranty
Denso manufactures this spark plug wire set to meet OEM standards for fit and function. The materials used, including silicone PBT silicone boots and high-quality insulation, are selected for durability and resistance to heat and wear. While specific warranty details are not provided, Denso products typically adhere to strict quality control processes to ensure reliable performance in compatible Toyota MR2 models.
| Brand | Denso |
| Part Number | 671-4163 |
| Position | 7mm |
| Bushing Material | 4 |
| Distributor Coil End Terminal Type | Male |
| Insulation Outside Diameter | 7.00 |
| Spark Plug Boot Material | Sil PBT Sil |
| Spark Plug End Boot Degree | 105 |
| Spark Plug End Terminal Type | FEMALE |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1989 | Toyota | MR2 | N/A | 7mm |
| 1988 | Toyota | MR2 | N/A | 7mm |
* 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.