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NGK 4690 Spark Plug
| Brand | NGK 4690 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Semi-surface discharge |
| Ground Configuration | Semi-surface discharge |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .044 |
| Ground Electrode Quantity | 1 |
| Hex Size | 13/16 |
| Insulator Height | 55.00 |
| Manufacturer Heat Range | 6 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 14.00 |
| Part Number | Bur6ea-11 |
| Stock Number | 4690 |
| Product line | Standard Spark Plug |
| Fits | Subaru · 4 vehicles |
OE-equivalent design. Built to original equipment standards for consistent ignition service.
Copper core center. Promotes efficient heat transfer for stable spark plug operation.
Semi-surface discharge. Ground electrode design supports reliable spark delivery.
Cross-references Anchor 3046, Federal Parts 4690 and 22401KA050 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Overview
NGK 4690 is a standard spark plug built to OE-equivalent specifications for select Subaru applications. It uses a copper core center electrode, nickel tip materials, and a semi-surface discharge ground design to support consistent ignition performance.
Key Features
- OE-equivalent spark plug design for dependable ignition service
- Copper core center electrode for efficient heat transfer
- Nickel center and ground electrode tip materials
- 0.044 in pre-gap and 14 mm thread diameter
- Flat seat with 0.75 in reach and 13/16 in hex size
- 5000 ohm resistance and non-removable nut terminal
Detailed Description
This NGK spark plug, part number 4690, is engineered for 1991-1994 Subaru Justy applications and matches the OE-equivalent design called out for this fitment. The BUR6EA-11 configuration combines a semi-surface discharge ground electrode with a copper core center electrode to promote stable spark delivery and reliable combustion. NGK 4690 is a practical replacement choice for drivers maintaining factory-style ignition performance in the Subaru Justy.
NGK’s long OE supplier history and broad coverage across automotive applications support the brand’s focus on original equipment standards and consistent manufacturing quality. This part cross-references Federal Parts 4690 for the same application.
What It Is Used For
- Replacing a worn spark plug that can cause misfires
- Restoring stable ignition performance after plug wear
- Addressing rough idle related to degraded spark output
- Supporting proper combustion when the original plug is due for service
Installation Notes and Tips
Fits 1991-1994 Subaru Justy, N/A. Verify the 0.044 in gap before installation and confirm the flat seat, 14 mm thread diameter, and 0.75 in reach match the engine specification. Use the BUR6EA-11 / 4690 specification as the reference when comparing replacement plugs.
Quality Assurance
NGK manufactures spark plugs to original equipment standards and backs this part with its OE-focused engineering and production experience.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 1994 | Subaru | Justy | 1.2L | L3 | Gap 0.044"; OE equivalent design; recommended service interval of 30,000 miles by OEM.; Standard Spark Plug |
| 1993 | Subaru | Justy | 1.2L | L3 | Gap 0.044"; OE equivalent design; recommended service interval of 30,000 miles by OEM.; Standard Spark Plug |
| 1992 | Subaru | Justy | 1.2L | L3 | Gap 0.044"; OE equivalent design; recommended service interval of 30,000 miles by OEM.; Standard Spark Plug |
| 1991 | Subaru | Justy | 1.2L | L3 | Gap 0.044"; OE equivalent design; recommended service interval of 30,000 miles by OEM.; Standard Spark Plug |
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