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NGK 2329 Spark Plug
| Brand | NGK 2329 |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 4 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 13/16 |
| Insulator Height | 60.00 |
| Manufacturer Heat Range | 8 |
| Part Number | BR8EQ-14 |
| Pre-Gap Size | .056 |
| Reach | .75 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 2329 |
| Thread Diameter | 14.00 |
| Product line | Standard Spark Plug |
| Fits | Mazda · 5 vehicles |
OE supplier pedigree. Built to original equipment standards for dependable performance.
Copper core design. Promotes efficient spark delivery and consistent operation.
Standard spark plug. A direct-fit ignition component for broad application coverage.
Cross-references Anchor 2329, Anchor 3104 and Anchor 3319 for the same application. See all 12.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
NGK BR8EQ-14 Spark Plug for Mazda RX-7
NGK 2329 is a Standard Spark Plug built for reliable ignition performance in select Mazda RX-7 applications. It uses a copper center electrode core, nickel center and ground electrode tips, and a flat seat design to support consistent combustion in the specified fitments.
Key Features
- Part number 2329, NGK BR8EQ-14
- Standard spark plug from NGK’s Standard Spark Plug line
- Copper center electrode core material
- Nickel center electrode tip and nickel ground electrode tip
- Standard ground configuration with 4 ground electrodes
- 5,000 ohm resistance
- Pre-gapped at .056 in.
- 14 mm thread diameter, 0.75 in. reach, flat seat
- 13/16 in. hex size with removable nut terminal
- Manufacturer heat range 8
Product Details
NGK’s Standard Spark Plug line is built around OE-style construction and broad vehicle coverage, backed by the company’s long history as a major original equipment supplier. This NGK 2329 spark plug is specified for 1981-1985 Mazda RX-7 applications, including Fits 1981-1984 Mazda RX-7, N/A and Fits 1985 Mazda RX-7, N/A. The BR8EQ-14 configuration combines a copper core for efficient heat transfer with nickel electrode materials for dependable service in the listed engine applications.
This part cross-references Anchor 2329 and Catco 2526 for the same application.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs
- Misfire conditions from weak ignition output
- Rough idle and inconsistent combustion
- Reduced throttle response from degraded spark delivery
- Service replacement needs on Mazda RX-7 ignition systems
Installation Notes and Tips
Verify the engine application, thread diameter, reach, seat type, and heat range before installation. The pre-gap is listed at .056 in., and the fitment notes for Mazda RX-7 applications specify a 0.055 in. gap, so confirm the required gap for your exact vehicle and engine setup before use. Inspect the ignition system, plug wires, and coil condition during service to help maintain stable spark performance.
Quality Assurance
NGK is known for OE supply experience and manufacturing standards used across automotive, motorcycle, marine, and small engine applications. This spark plug is produced to support original-equipment-style durability and operational performance in the listed Mazda RX-7 fitments.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1985 | Mazda | RX-7 | 1.1L | R2 | N/A | Gap 0.055"; Actual OE Manufacturer; 30,000 mi OE Mfr Recommended Service Interval; Standard Spark Plug |
| 1984 | Mazda | RX-7 | 1.1L | R2 | N/A | Gap 0.055"; Actual OE Manufacturer; Standard Spark Plug |
| 1983 | Mazda | RX-7 | 1.1L | R2 | N/A | Gap 0.055"; Actual OE Manufacturer; Standard Spark Plug |
| 1982 | Mazda | RX-7 | 1.1L | R2 | N/A | Gap 0.055"; Actual OE Manufacturer; Standard Spark Plug |
| 1981 | Mazda | RX-7 | 1.1L | R2 | N/A | Gap 0.055"; Actual OE Manufacturer; Standard Spark Plug |
| No rows match your filter. | ||||||