Denso 3035 Spark Plug

Denso 3035 Spark Plug for Jeep Wagoneer

The Denso 3035 is a conventional spark plug built to OEM quality standards for dependable secondary ignition performance. It uses a copper center electrode core with a nickel tip and a nickel ground electrode tip to support consistent spark delivery in classic Jeep applications.

Compatible with 1965-1967 Jeep Wagoneer, N/A, this U-Groove Conventional spark plug is specified with a 0.7 pre-gap, 14.00 mm thread diameter, 11.20 reach, 20.6 hex size, flat seat, and a manufacturer heat range of 16. The Denso 3035 is also cross-referenced to DENSO Auto Parts W16LS for the same application.

U-Groove Conventional Design

Denso’s U-Groove Conventional line focuses on straightforward OE-style ignition service. This product line uses a standard ground configuration and a single ground electrode to maintain a familiar fit and service profile for older engines that call for a conventional plug design.

• Fits 1965-1967 Jeep Wagoneer, N/A
• Conventional spark plug construction for secondary ignition service
• Copper center electrode core for stable conductivity
• Nickel center and ground electrode tip materials
• Pre-gapped to 0.7 for installation consistency
• Flat seat, 14.00 mm thread diameter, 11.20 reach, 20.6 hex size

Application Details

This spark plug is intended for Jeep Wagoneer models from 1965 through 1967 and should be matched to the engine’s specified heat range and thread dimensions before installation. The Denso 3035 part number appears in service and replacement searches for classic Jeep Wagoneer ignition maintenance, and the W16LS interchange helps confirm the correct replacement path.

Common Issues It Can Address

• Hard starting caused by worn spark plug electrodes
• Rough idle from inconsistent ignition firing
• Misfire symptoms related to plug wear or gap drift
• Reduced throttle response from degraded spark delivery
• Maintenance replacement for aging Jeep Wagoneer ignition service

Installation Notes

Verify the engine’s required thread diameter, reach, seat type, and heat range before installation. Check the plug gap against the engine specification even though this plug is pre-gapped at 0.7, and inspect the ignition system condition to avoid repeat misfire concerns. Use proper torque for a flat-seat spark plug and confirm the plug boots and wires are in good condition.

Quality Assurance

Denso manufactures this spark plug to OEM quality standards, supporting consistent fit and service expectations for classic ignition applications. The Denso 3035 is built as a conventional replacement part for Jeep Wagoneer models that require this specification.