Denso 671-8044 Spark Plug Wire Set

Denso 671-8044 Ignition Wire Set

Denso First Time Fit ignition wire sets are built to match factory-installed wire sets in form, fit, color, and performance. This Denso 671-8044 spark plug wire set uses a 7mm outside diameter and silicone spark plug boot material for OE-style service on classic Jeep, Pontiac, Chevrolet, Oldsmobile, and Cadillac applications.

Compatible With 1960-1986 Jeep Grand Wagoneer, J10, J20, Cherokee, Wagoneer, CJ5, and CJ7, plus 1960-1972 Pontiac, Chevrolet, Oldsmobile, and Cadillac models listed below.

Key Features

• 7.00mm insulation outside diameter for OE-style ignition wire routing and fit
• Silicone spark plug boot material for heat resistance and flexible sealing
• 135-degree angled spark plug end boot for tight engine bay routing
• Female spark plug end terminal type with male distributor/coil end terminal type
• Built to meet or exceed OE/OES standards in construction
• Direct replacement style for classic Jeep, Pontiac, Chevrolet, Oldsmobile, and Cadillac ignition systems

Product Details

The Denso 671-8044 is a spark plug wire set engineered for vehicles that need a factory-style ignition wire replacement with the correct terminal layout and boot configuration. The 7mm wire diameter, silicone boots, and angled spark plug ends support clean routing around manifolds, valve covers, and other engine components. Denso’s First Time Fit line focuses on OE-style form and performance, making this part a practical choice for restoring ignition reliability on older carbureted and distributor-equipped vehicles.

This part cross-references NAPA Mileage Plus 6718044 and Bosch 09658 for the same application.

Common Issues This Part Can Address

• Misfires caused by worn or heat-damaged plug wires
• Hard starting related to weak spark delivery
• Intermittent ignition performance from cracked insulation or boot wear
• Crossfire or spark leakage in aging ignition systems
• Poor routing or boot fit on classic engine layouts

Installation Notes

Verify wire routing against the original layout before installation. Match each lead to the correct cylinder and distributor terminal, and confirm the 135-degree spark plug boots clear nearby components. This Denso 671-8044 is listed for 7mm applications, including Fits 1984-1986 Jeep Grand Wagoneer, N/A; Fits 1974-1986 Jeep J10, N/A; Fits 1974-1986 Jeep J20, N/A; Fits 1974-1983 Jeep Cherokee, N/A; Fits 1974-1983 Jeep Wagoneer, N/A; Fits 1974-1981 Jeep CJ5, N/A; Fits 1976-1981 Jeep CJ7, N/A; Fits 1967-1972 Pontiac Bonneville, N/A; Fits 1960-1964 Pontiac Bonneville, N/A; Fits 1967-1972 Pontiac Catalina, N/A; Fits 1960-1964 Pontiac Catalina, N/A; Fits 1967-1972 Pontiac Firebird, N/A; Fits 1967-1972 Pontiac Grand Prix, N/A; Fits 1962-1964 Pontiac Grand Prix, N/A; Fits 1967-1972 Pontiac GTO, N/A; Fits 1964 Pontiac GTO, N/A; Fits 1968-1972 Pontiac LeMans, N/A; Fits 1963 Pontiac LeMans, N/A; Fits 1968-1970 Pontiac Tempest, N/A; Fits 1961 Pontiac Tempest, N/A; Fits 1966-1969 Chevrolet Bel Air, N/A; Fits 1968-1969 Chevrolet C10 Suburban, N/A; Fits 1968-1969 Chevrolet C20 Suburban, N/A; Fits 1966-1969 Chevrolet Caprice, N/A; Fits 1966-1969 Chevrolet Impala, N/A; Fits 1968-1969 Chevrolet K10 Suburban, N/A; Fits 1967 Chevrolet Camaro, N/A; Fits 1960-1963 Oldsmobile 98, N/A; Fits 1962-1963 Oldsmobile Cutlass, N/A; Fits 1961-1963 Oldsmobile Starfire, N/A; Fits 1960-1962 Cadillac DeVille, N/A; Fits 1960-1962 Cadillac Eldorado, N/A.

Quality Assurance

Denso positions the First Time Fit line as an OE-style replacement range, with each wire set built to meet or exceed OE/OES standards for construction and performance. The Denso 671-8044 is designed to deliver the fit and terminal configuration expected in original-equipment service applications.