NGK 3212 Spark Plug

NGK Standard Spark Plug 3212 Overview

The NGK 3212 Standard Spark Plug is built for dependable ignition performance in a wide range of domestic and import applications. With a copper center electrode core, nickel center and ground electrode tips, and a standard ground configuration, it is a practical OE-style replacement for drivers maintaining factory-spec ignition systems.

Compatible with 1965-1967 Jeep Wagoneer applications, this NGK spark plug uses a flat seat, 14.00 mm thread diameter, .46 reach, and a pre-gap size of .028 for straightforward service on the correct engine application. The removable nut terminal and 13/16 hex size support common ignition service requirements.

Key Features

• NGK Standard Spark Plug, part number 3212
• Copper center electrode core for stable conductivity
• Nickel center and ground electrode tip materials
• Standard ground electrode design with one ground electrode
• Resistance value of 1 for ignition system compatibility
• Flat seat design, 14.00 mm thread diameter, and .46 reach
• Pre-gapped at .028 for the listed application
• Compatible with 1965-1967 Jeep Wagoneer, N/A

Product Details

NGK’s Standard Spark Plug line focuses on OE-style service parts for everyday ignition maintenance. The 3212 spark plug follows a conventional design with nickel electrode materials and a copper core to support consistent spark delivery in properly matched engines. It is a direct-fit style service part for 1965-1967 Jeep Wagoneer models listed in the fitment data, and the B-6L reference helps identify the correct application during cross-checking.

This part cross-references Champion Spark Plug (e.g., 91, 436) for the same application.

Common Issues This Part May Address

• Hard starting caused by worn spark plug electrodes
• Rough idle from inconsistent ignition output
• Misfire symptoms related to aged plugs
• Reduced throttle response from degraded spark quality
• Maintenance replacement for factory-style ignition service

Installation Notes and Tips

Verify the engine application, thread diameter, reach, seat type, and heat range before installation. For the listed Jeep Wagoneer fitment, confirm the .028 pre-gap specification against the engine’s service requirements and inspect ignition wires, cap, and rotor at the same time. Use proper spark plug socket clearance for the 13/16 hex and tighten to the vehicle manufacturer’s specification.

Quality Assurance

NGK is a long-established OE supplier and manufacturer with extensive North American coverage across automotive, motorcycle, marine, and small engine applications. The 3212 spark plug is produced to support original-equipment standards for durability and operational performance in the specified application.