NGK 48812 Ignition Coil

NGK HEI Ignition Coil for Chrysler, Dodge, Jeep

The NGK HEI Ignition Coil, part number 48812, is built for 12-volt electronic ignition systems that use a HEI coil design. It is a direct-fit ignition coil option for a wide range of Chrysler, Dodge, Jeep, and Plymouth applications from 1990-1997, including Dodge Dakota, Ram 1500, and Jeep Cherokee models.

Key Features

• 12-volt ignition coil for electronic ignition systems
• HEI coil type with pin-style terminals
• Female connector with male terminals
• Oil-filled design: No
• Mounting bracket included: No
• NGK part number 48812 / stock number 48812

Product Details

NGK HEI Ignition Coil 48812 is engineered to meet or exceed OE standards for durability and consistent ignition performance. NGK develops and tests its coil designs in an ISO 17025 accredited lab under demanding conditions, with a focus on long-term reliability and broad vehicle coverage. This coil is a strong match for drivers searching for an ignition coil for 1991-1997 Dodge Dakota, a replacement ignition coil for 1994-1997 Dodge Ram 1500, or an ignition coil for 1991-1997 Jeep Cherokee and related Chrysler-era platforms.

This part cross-references Standard Ignition UF-97 for the same application.

Common Issues This Part Can Address

• Engine misfire caused by a weak or failing ignition coil
• Hard starting related to inconsistent spark output
• Rough idle from degraded coil performance
• Loss of power under load due to ignition breakdown
• Intermittent spark delivery in HEI-equipped vehicles

Installation Notes and Tips

Verify the vehicle uses a 12-volt electronic HEI ignition setup before ordering. Confirm connector style, terminal count, and coil type against the original part, especially on 1991-1993 Jeep Cherokee, Wrangler, and Comanche applications with round terminals noted in the fitment data. Compare the original coil’s mounting and electrical connection points to ensure proper installation on Dodge, Jeep, Chrysler, and Plymouth models.

Quality Assurance

NGK manufactures ignition coils to OE-level standards and validates designs in controlled test environments to support consistent performance and durability. The brand’s long OE legacy and broad late-model coverage make NGK 48812 a dependable replacement choice for Chrysler, Dodge, Jeep, and Plymouth ignition service.