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NGK 5329 Spark Plug
| Brand | NGK 5329 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Stud |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .036 |
| Ground Electrode Quantity | 1 |
| Hex Size | 18 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 9 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 12.00 |
| Part Number | Dpr9ea-9 |
| Stock Number | 5329 |
| Fits | — |
OE supplier heritage. Built by NGK, a long-time original equipment spark plug manufacturer.
Copper core design. Helps promote consistent ignition performance and durability.
Standard spark plug. Flat-seat design with nickel electrodes for dependable operation.
Cross-references AMS Automotive 4111, AMS Automotive 4162 and Champion Spark Plug 8809-1 for the same application. See all 12.
NGK DPR9EA-9 Standard Spark Plug
NGK 5329 is a standard spark plug built for consistent ignition performance in a wide range of domestic and import engines. With a copper center electrode core, nickel center and ground electrode tips, and a 0.036 pre-gap, this plug is suited for drivers looking for OE-style replacement service in applications such as Honda Civic and Yamaha motorcycle engines.
Key Features
- Part number: DPR9EA-9 / stock number 5329
- Standard spark plug design for routine ignition service
- 5000 ohm resistor helps reduce electrical noise
- Copper center electrode core for stable heat transfer
- Nickel center and ground electrode tip materials
- Flat seat with 12 mm thread diameter and 0.75 reach
- 0.036 pre-gap and single ground electrode configuration
- 18 mm hex size for proper socket fitment
Product Details
NGK’s Standard Spark Plug line is built around OE-focused construction and broad application coverage across automotive, motorcycle, marine, and small engine use. Part number 5329 uses a stud terminal, a 9 heat range, and a standard ground configuration to support reliable spark delivery in engines that call for this specification. This part cross-references DENSO Auto Parts 5329 for the same application.
Common Issues This Spark Plug Can Address
- Hard starting caused by worn or fouled plugs
- Rough idle from weak or inconsistent spark
- Misfire conditions tied to aged ignition components
- Reduced fuel economy from inefficient combustion
- Loss of throttle response in engines requiring DPR9EA-9 / 5329 specifications
Installation Notes
Verify thread diameter, reach, seat type, heat range, and pre-gap before installation. Use the correct spark plug socket for the 18 mm hex and confirm the terminal style matches the ignition lead or coil connection. For Honda Civic and Yamaha applications, compare the removed plug to NGK 5329 before final installation.
Quality Assurance
NGK is a long-established OE supplier and manufacturer with extensive coverage across North American domestic and import vehicle applications. The brand’s manufacturing and distribution network supports consistent product standards for ignition service, and the DPR9EA-9 follows NGK’s OE-oriented approach to spark plug construction.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||