Denso 671-4244 Spark Plug Wire Set

Overview of Denso 7mm Spark Plug Wire Set 671-4244

The Denso 7mm Spark Plug Wire Set 671-4244 is designed specifically for Subaru Forester, Impreza, and Legacy models. This ignition wire set ensures reliable electrical conductivity and optimal engine performance by delivering consistent spark energy to the spark plugs.

• Spark plug boot material: Sil PBT Sil for durability and heat resistance
• Distributor coil end terminal type: Male for secure connection
• Insulation outside diameter: 7.00 mm for effective insulation
• Spark plug end boot degree: 135° angled boots for improved fitment
• Spark plug end terminal type: Female for proper spark plug connection
• Includes 4 angled spark plug end boots

Detailed Features and Specifications

This Denso spark plug wire set features a 7.00 mm insulation diameter that provides excellent resistance to heat and electrical interference. The spark plug boots are made from Sil PBT Sil material, which offers durability and protection against high engine temperatures. The 135-degree angled spark plug end boots improve installation ease and help maintain secure connections in tight engine compartments. The male distributor coil end terminals and female spark plug end terminals ensure proper fitment and reliable electrical contact. This set includes four angled spark plug end boots, matching the ignition system requirements of Subaru Forester, Impreza, and Legacy vehicles.

About the Denso 7mm Brand Line

The Denso 7mm brand line focuses on ignition wire sets with a 7.00 mm insulation diameter, balancing flexibility and durability. This line is engineered to meet the specific electrical and thermal demands of modern engines, providing consistent spark delivery and resistance to environmental factors. The 7mm wires are suitable for applications requiring reliable insulation and precise fitment, such as the Subaru models compatible with part number 671-4244.

Applications and Common Issues Addressed

• Replacement for worn or damaged spark plug wires in Subaru Forester, Impreza, and Legacy
• Resolves misfires caused by poor spark plug wire conductivity
• Eliminates engine hesitation due to faulty ignition wire connections
• Prevents electrical interference affecting ignition timing
• Improves overall engine performance and fuel efficiency

Installation Notes and Tips

When installing the Denso 671-4244 spark plug wire set, ensure the 135-degree angled boots align properly with the spark plugs for a secure fit. Verify that the male distributor coil end terminals connect firmly to the coil to maintain consistent electrical flow. Avoid stretching the wires excessively during installation to prevent damage to the insulation. It is recommended to replace all spark plug wires simultaneously to maintain balanced ignition performance.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet strict quality standards, ensuring reliable performance and durability. The materials used, including Sil PBT Sil boots and high-quality terminals, are selected for resistance to heat and wear. While specific warranty details for part number 671-4244 should be confirmed with the supplier, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship.