Denso 671-6121 Spark Plug Wire Set

Reliable Spark Plug Wire Set for Chrysler, Dodge, and Plymouth Vehicles

The Denso 7mm Spark Plug Wire Set (Part Number 671-6121) is engineered to provide consistent ignition performance for select Chrysler, Dodge, and Plymouth models. Designed with durable silicone boots and precise terminal configurations, this set ensures optimal spark delivery and engine efficiency.

• Silicone spark plug boot material for heat resistance and durability
• 7.00 mm insulation outside diameter for effective electrical insulation
• Female distributor coil end terminals for secure connections
• 135-degree angled female spark plug end boots for improved fitment
• Includes six angled spark plug end boots for comprehensive coverage

About the Denso 7mm Product Line

The Denso 7mm line focuses on spark plug wires with a 7.00 mm insulation diameter, balancing flexibility and durability. This product line is designed to meet the ignition demands of various vehicles by providing reliable electrical insulation and resistance to heat and wear. The 7mm wires in this set are tailored to fit specific Chrysler, Dodge, and Plymouth models, ensuring proper fit and function.

Detailed Product Description

This spark plug wire set features silicone boots that offer excellent resistance to high temperatures and environmental factors, extending the life of the ignition components. The female terminal types on both the distributor coil end and spark plug end provide secure and stable connections, reducing the risk of misfires. The 135-degree angled spark plug end boots improve accessibility in tight engine compartments, making installation and maintenance easier. With six angled boots included, this set covers all necessary spark plug connections for compatible vehicles.

Compatible Vehicles and Common Applications

• Chrysler Caravan, Dynasty, Imperial, New Yorker, Town & Country
• Dodge Caravan, Grand Caravan, Grand Voyager, Voyager
• Plymouth Grand Voyager
• Addresses ignition misfires and weak spark issues
• Helps resolve rough idling and poor engine performance

Installation Notes and Tips

Ensure the engine is cool before installation to avoid burns. Carefully remove old spark plug wires one at a time to prevent mixing connections. Verify the 135-degree angled boots align properly with spark plugs for a secure fit. Inspect distributor coil terminals for corrosion before attaching new wires. Use dielectric grease on boots to improve electrical contact and ease future removal.

Quality Assurance and Warranty

Denso spark plug wires are manufactured to meet OEM specifications for fit, form, and function. The silicone boot material and precise terminal design contribute to long-lasting performance under demanding conditions. While specific warranty details for part number 671-6121 should be confirmed with the supplier, Denso products typically come with a limited warranty covering defects in materials and workmanship.