HomeIgnition > Ignition Wire and Related ComponentsDenso 671-4145 Spark Plug Wire Set
Part #: 671-4145

Denso 671-4145 Spark Plug Wire Set

5mm
⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦5mm
🚗Fitment: Toyota, RAV4
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Reliable Spark Plug Wire Set for Toyota RAV4

The Denso 671-4145 spark plug wire set is designed specifically for Toyota RAV4 models, ensuring precise fitment and optimal ignition performance. This set features durable materials and engineered components to maintain consistent electrical conductivity and engine efficiency.

  • Silicone PBT silicone spark plug boot material for heat resistance
  • 5.00 mm insulation outside diameter for effective electrical insulation
  • 105-degree angled spark plug end boots for easy installation in tight spaces
  • Female spark plug end terminal type and male distributor coil end terminal type
  • Includes four angled spark plug end boots for complete replacement

About the Denso 5mm Brand Line

The Denso 5mm brand line focuses on ignition wire sets with a 5.00 mm insulation diameter, balancing durability and flexibility. This line is engineered to provide reliable electrical insulation and resistance to heat and wear, making it suitable for vehicles like the Toyota RAV4 that require consistent ignition performance under various driving conditions.

Detailed Product Description

The Denso 671-4145 spark plug wire set is constructed with silicone PBT silicone boots that offer excellent resistance to heat and environmental factors. The 5.00 mm insulation diameter ensures proper electrical isolation, reducing the risk of misfires and electrical interference. The spark plug end boots are angled at 105 degrees, facilitating installation in confined engine compartments typical of the Toyota RAV4. The set includes female terminals on the spark plug end and male terminals on the distributor coil end, matching factory specifications for a secure connection.

Common Applications and Issues Addressed

  • Replacement of worn or damaged spark plug wires in Toyota RAV4
  • Resolving engine misfires caused by faulty ignition wires
  • Improving ignition system reliability and spark delivery
  • Reducing electrical interference and signal loss in ignition circuits
  • Maintaining engine performance and fuel efficiency

Installation Notes and Tips

When installing the Denso 671-4145 spark plug wire set, ensure the correct orientation of the 105-degree angled boots for proper fitment. Verify that the female spark plug end terminals and male distributor coil end terminals are securely connected to prevent loose contacts. It is recommended to replace all wires simultaneously to maintain balanced ignition performance across all cylinders.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM standards for fit, form, and function. The materials used provide resistance to heat, abrasion, and chemical exposure common in engine compartments. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number671-4145
Position5mm
Bushing Material4
Distributor Coil End Terminal TypeMale
Insulation Outside Diameter5.00
Spark Plug Boot MaterialSil PBT Sil
Spark Plug End Boot Degree105
Spark Plug End Terminal TypeFEMALE

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1997ToyotaRAV4N/A5mm
1996ToyotaRAV4N/A5mm

* 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:

944H

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.