NGK 3932 Spark Plug

NGK DCPR7E Standard Spark Plug

The NGK DCPR7E standard spark plug is built for direct ignition service in select compact vehicles, including the Fiat 500 and Chevrolet Spark. With a copper core center electrode, nickel tip materials, and a 0.032-inch pre-gap, it supports consistent spark delivery for everyday driving.

Key Features

• NGK Standard Spark Plug, part number 3932
• Center electrode core material: copper
• Center electrode tip material: nickel
• Ground electrode core material: nickel
• Pre-gapped to 0.032 inches
• Resistance: 5000 ohms
• Flat seat design with 12 mm thread diameter
• 5/8-inch hex size and removable nut terminal
• Manufacturer heat range: 7

Product Details

NGK’s Standard Spark Plug line focuses on OE-style ignition performance for vehicles that require a conventional plug design and precise heat range control. The DCPR7E uses a copper core for efficient heat transfer, nickel electrode materials for dependable spark characteristics, and a standard ground configuration for straightforward replacement service. This part number 3932 is a practical choice for drivers maintaining factory-style ignition performance in the Fiat 500 and Chevrolet Spark.

This part cross-references Autolite 4164 and FEL-PRO 8812 for the same application.

Common Issues This Part Can Address

• Hard starting caused by worn spark plug electrodes
• Rough idle from inconsistent ignition output
• Misfire conditions related to plug wear or incorrect gap
• Reduced fuel economy from degraded spark performance
• Loss of throttle response from aged ignition components

Installation Notes and Tips

Verify the vehicle-specific gap before installation. Fitment notes call for a 0.032-inch gap on 2014-2017 Fiat 500 applications and a 0.036-inch gap on 2013-2015 Chevrolet Spark applications. Use the correct torque procedure for the cylinder head material, and confirm the plug seat type, thread diameter, and reach match the engine specification before installation.

Fits 2014-2017 Fiat 500, N/A. Fits 2013-2015 Chevrolet Spark, N/A.

Quality Assurance

NGK is a long-established OE supplier and manufacturer with broad coverage across domestic and import vehicles, motorcycles, marine engines, and small engine applications. The brand’s manufacturing and distribution network supports original-equipment standards for durability and operational performance.