Denso 671-4194 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Nissan D21 Pickup

The Denso 7mm Spark Plug Wire Set (Part Number 671-4194) is designed specifically for Nissan D21 Pickup models. Engineered to provide consistent ignition performance, this set ensures efficient spark delivery and reliable engine operation.

• Silicone spark plug boot material for heat resistance and durability
• 7.00 mm insulation outside diameter for optimal electrical insulation
• Distributor coil end terminal type: Male
• Spark plug end terminal type: Female with one angled (120°) boot and three straight boots
• Compatible with Nissan D21 Pickup ignition systems

About the Denso 7mm Brand Line

The 7mm brand line from Denso focuses on spark plug wires with a 7.00 mm insulation diameter, balancing flexibility and electrical insulation. This line is designed to meet the specific ignition requirements of vehicles like the Nissan D21 Pickup, providing reliable spark transmission and resistance to heat and wear.

Detailed Product Description

This spark plug wire set features silicone boots that offer excellent resistance to high temperatures and environmental factors, helping maintain a secure connection over time. The distributor coil end terminal is male, while the spark plug end terminals are female, with one angled boot at 120 degrees to accommodate tight engine spaces and three straight boots for standard connections. The 7.00 mm insulation diameter provides effective protection against electrical interference and arcing, ensuring consistent ignition performance for Nissan D21 Pickup engines.

Common Applications and Issues Addressed

• Replacement for worn or damaged spark plug wires on Nissan D21 Pickup
• Resolves misfires caused by poor spark plug wire connections
• Improves ignition reliability in high-heat engine environments
• Prevents electrical interference affecting engine performance
• Addresses issues related to cracked or brittle spark plug boots

Installation Notes and Tips

When installing the Denso 671-4194 spark plug wire set, ensure the correct orientation of the angled 120° boot for proper fitment. Verify that the male distributor coil end terminals securely connect to the coil and that the female spark plug end terminals fit snugly on the spark plugs. Avoid stretching the wires excessively to prevent damage to the silicone boots and insulation.

Quality Assurance and Warranty

Denso manufactures this spark plug wire set to meet OEM specifications for Nissan D21 Pickup vehicles. The use of high-quality silicone materials and precise terminal construction supports durability and consistent performance. Warranty information is available through Denso and authorized distributors.