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Restore Reliable Spark to Aging HEI Ignition Systems
The NGK 48819 is a direct replacement HEI ignition coil built to OEM specifications for late 1980s Nissan Maxima models and early 1990s Acura Integra, Honda Civic, and Honda CRX applications sharing the same electronic HEI ignition architecture. NGK's ASIC electronics and OEM-matched connectors deliver dependable spark output, faster cold starts, and stable idle without the guesswork of sourcing a decades-old dealer part.
Key Features
- NGK 48819 direct fit HEI ignition coil, no drilling or modification required
- NGK proprietary ASIC electronics for consistent spark energy delivery
- 4-terminal blade connector matches factory wiring harness
- Manufactured to meet or exceed OEM performance standards
- Rigorously tested in an ISO 17025 accredited test lab under extreme conditions
- Electronic ignition type built for long-term durability
Fitment Table
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 1986 | Nissan | Maxima | GL |
| 1987-1988 | Nissan | Maxima | GXE |
| 1986-1988 | Nissan | Maxima | SE |
| 1990-1991 | Acura | Integra | GS |
| 1990-1991 | Acura | Integra | LS |
| 1990-1991 | Acura | Integra | RS |
| 1990-1991 | Honda | Civic | CX |
| 1990-1991 | Honda | Civic | DX |
| 1990-1991 | Honda | Civic | EX |
| 1990-1991 | Honda | Civic | LX |
| 1990-1991 | Honda | Civic | Si |
| 1990-1991 | Honda | CRX | HF |
| 1990-1991 | Honda | CRX | Si |
Specifications
| Detail | Value |
|---|---|
| Brand | NGK |
| Part Number | 48819 |
| Ignition Type | Electronic (HEI) |
| Terminal Type | Blade |
| Terminal Quantity | 4 |
| Mounting Bracket Included | No |
| Quantity | 1 coil |
| UPC | 087295488195 |
What's Included
- 1 x NGK HEI ignition coil
About NGK
NGK Spark Plugs has built ignition components for over 80 years and supplies many of the world's largest automakers as an original equipment manufacturer. Its ignition coil lineup extends that same OE engineering discipline into the aftermarket, giving owners of older Nissan, Acura, and Honda platforms a dependable, factory-matched replacement.
FAQ
What is the NGK 48819?
The NGK 48819 is a direct replacement HEI ignition coil designed for late 1980s Nissan Maxima and early 1990s Acura Integra, Honda Civic, and Honda CRX models that share the same electronic HEI ignition system.
Will it fit my 1988 Nissan Maxima?
Yes, this coil is a direct fit for the 1987 to 1988 Nissan Maxima GXE and the 1986 to 1988 Nissan Maxima SE, matching the factory HEI ignition connector and mounting points.
Does it fit a Honda Civic Si?
Yes, it fits the 1990 to 1991 Honda Civic Si along with the CX, DX, EX, and LX trims built for the same model years.
Is it compatible with the Acura Integra?
Yes, it is a direct fit replacement for the 1990 to 1991 Acura Integra GS, LS, and RS trims.
Does it include a mounting bracket?
No, this coil does not include a mounting bracket. It is designed to reuse your vehicle's factory bracket during installation.
What terminal configuration does it use?
It uses a 4-terminal blade connector that matches the factory wiring harness on its supported HEI applications, so no splicing or connector modification is required.
How is it tested for quality?
Every unit is developed and tested in an ISO 17025 accredited test lab under conditions more extreme than a vehicle would experience in normal operation.
Can it replace a failing factory ignition coil showing misfire codes?
Yes, it is built to meet or exceed OEM performance standards and is a common fix for stalling, rough idle, and misfire symptoms caused by a failing HEI coil on its supported applications.
Install Instructions
- Disconnect the negative battery terminal before beginning work
- Locate the ignition coil, typically mounted near the distributor or on the firewall
- Label and disconnect the primary and secondary wiring connectors from the old coil
- Remove the mounting bolts and transfer the factory bracket to the new coil
- Mount the new coil in the original location and torque the bracket bolts to spec
- Reconnect the primary and secondary wiring connectors, ensuring a firm click or seat
- Reconnect the negative battery terminal and confirm proper start and idle
NGK
Welcome to our curated collection of NGK plugs and spark plug wires, where quality meets reliability. Whether you're a professional mechanic or a DIY enthusiast, our selection is tailored to enhance your engine's performance and longevity. Why Choose NGK? Superior Quality: NGK is a trusted name in the automotive industry, known for its high-quality products. Enhanced Performance: Our plugs are designed to deliver better fuel efficiency and improved ignition. Durability: NGK products are built to withstand the toughest conditions, ensuring long-lasting performance. Our Collection Includes: NGK Spark Plugs: Available in a variety of types to fit different vehicle models. NGK Spark Plug Wires: Engineered to provide optimal conductivity and reliability. Accessories: Find all the necessary tools and accessories for installation and maintenance. Shop with Confidence When you choose our NGK plugs and spark plug wires, you're investing in performance. Browse our collection to...
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