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NGK 49045 Ignition Coil
Reliable Ignition Performance for Nissan and Infiniti Vehicles
The NGK HEI Ignition Coil 49045 is designed to deliver consistent 12-volt electronic ignition performance for select Nissan, Infiniti, and Mercury models. Engineered to meet OEM specifications, this ignition coil ensures efficient spark generation for smooth engine operation.
- 12-volt electronic ignition coil with HEI coil type
- Blade terminal type with two terminals (male and female connectors)
- Oil-free design for reliable operation without leakage concerns
- Compatible with multiple Nissan, Infiniti, and Mercury models
- Part number U1024 and stock number 49045 for accurate identification
About the NGK HEI Ignition Coil Product Line
The NGK HEI Ignition Coil line is specifically developed to support electronic ignition systems requiring a HEI coil type. These coils are designed to provide stable voltage output and reliable spark delivery without the use of oil filling, reducing maintenance concerns. The NGK HEI Ignition Coil 49045 is part of this line, offering a dependable replacement option for vehicles equipped with electronic ignition systems.
Product Details and Specifications
This ignition coil operates at 12 volts and features an electronic ignition type suitable for HEI coil systems. It includes two blade terminals—one male and one female connector—to ensure proper electrical connection. The coil is not oil filled, which eliminates the risk of oil leaks and simplifies maintenance. Although it does not include a mounting bracket, it is designed to fit securely in compatible vehicles. The part number U1024 corresponds to stock number 49045 for easy reference.
Compatible Vehicles and Common Applications
- INFINITI models including G20, M30, NX, and QX4
- Mercury models such as Villager and Mountaineer
- Nissan models including 240SX, 300ZX, D21, Maxima, Pathfinder, Pickup, Pulsar NX, Quest, and Sentra
- Ideal for replacing faulty or worn ignition coils in these vehicles
- Helps resolve ignition-related issues such as misfires and poor engine performance
Installation Notes and Tips
Ensure the ignition system is powered off before installation. Verify the blade terminal connections match the vehicle’s wiring harness to avoid electrical issues. Since this coil does not include a mounting bracket, use the existing bracket or mounting hardware from the original coil. Properly secure the coil to prevent vibration damage during operation.
Quality Assurance and Warranty Information
NGK ignition coils are manufactured to meet strict quality standards for durability and performance. The NGK HEI Ignition Coil 49045 undergoes rigorous testing to ensure reliable spark delivery and long service life. Please refer to NGK’s warranty policy for specific coverage details related to this part.
| Brand | NGK |
| Part Number | 49045 |
| Position | NGK HEI Ignition Coil |
| Voltage | 12 |
| Ignition Type | Electronic |
| Coil Type | Hei |
| Oil Filled | No |
| Terminal Type | Blade |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Mounting Bracket Included | No |
| Part Number | U1024 |
| Stock Number | 49045 |
This part fits 61 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Mercury | Villager | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1998 | Nissan | Quest | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1997 | Mercury | Villager | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1997 | Nissan | Quest | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1996 | INFINITI | G20 | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1996 | Mercury | Villager | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1996 | Nissan | Pickup | 2.4L | L4 | N/A | To 2/1996; NGK HEI Ignition Coil |
| 1996 | Nissan | Quest | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1995 | INFINITI | G20 | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1995 | Mercury | Villager | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1995 | Nissan | Pathfinder | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1995 | Nissan | Pickup | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1995 | Nissan | Pickup | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1995 | Nissan | Quest | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1994 | INFINITI | G20 | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1994 | Mercury | Villager | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1994 | Nissan | D21 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1994 | Nissan | D21 | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1994 | Nissan | Maxima | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1994 | Nissan | Pathfinder | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1994 | Nissan | Quest | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1994 | Nissan | Sentra | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1993 | INFINITI | G20 | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1993 | Mercury | Villager | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1993 | Nissan | D21 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1993 | Nissan | D21 | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1993 | Nissan | Maxima | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1993 | Nissan | NX | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1993 | Nissan | Pathfinder | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1993 | Nissan | Quest | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1993 | Nissan | Sentra | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1992 | INFINITI | G20 | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1992 | INFINITI | M30 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1992 | Nissan | D21 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1992 | Nissan | D21 | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1992 | Nissan | Maxima | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1992 | Nissan | NX | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1992 | Nissan | Pathfinder | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1992 | Nissan | Sentra | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1991 | INFINITI | G20 | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1991 | INFINITI | M30 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1991 | Nissan | D21 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1991 | Nissan | D21 | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1991 | Nissan | Maxima | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1991 | Nissan | NX | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1991 | Nissan | Pathfinder | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1991 | Nissan | Sentra | 2.0L | L4 | N/A | NGK HEI Ignition Coil |
| 1990 | INFINITI | M30 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1990 | Nissan | 240SX | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1990 | Nissan | D21 | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1990 | Nissan | D21 | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1990 | Nissan | Maxima | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1990 | Nissan | Pathfinder | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1990 | Nissan | Pulsar NX | 1.6L | L4 | N/A | NGK HEI Ignition Coil |
| 1990 | Nissan | Sentra | 1.6L | L4 | N/A | NGK HEI Ignition Coil |
| 1989 | Nissan | 240SX | 2.4L | L4 | N/A | NGK HEI Ignition Coil |
| 1989 | Nissan | 300ZX | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1989 | Nissan | Maxima | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
| 1989 | Nissan | Pulsar NX | 1.6L | L4 | N/A | NGK HEI Ignition Coil |
| 1989 | Nissan | Sentra | 1.6L | L4 | N/A | NGK HEI Ignition Coil |
| 1988 | Nissan | 300ZX | 3.0L | V6 | N/A | NGK HEI Ignition Coil |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.