NGK
Description
This NGK BPR6ES spark plug keeps your compatible Honda GX engine firing consistently, whether you are getting equipment ready for the workday or tackling a weekend project. Its copper core transfers heat efficiently, while the projected nickel electrode design and standard-plug construction support long service life and dependable performance. An integrated 5 kO resistor helps suppress electrical interference.
Key Features
- Consistent ignition: A copper core aids heat removal for dependable everyday performance.
- Electrical noise suppression: Integrated 5 kO resistor helps reduce electromagnetic interference.
- Corrosion protection: Trivalent metal plating provides anti-corrosion and anti-seizing properties.
- Flashover resistance: Corrugated insulator ribs help prevent flashover.
- Strong ceramic insulator: Pure alumina-silicate ceramic provides strength and effective heat transfer.
- Sealed construction: Triple seals help prevent leakage.
Technical Specifications
- Brand: NGK
- Part number: 145-84
- Plug designation: BPR6ES
- NGK stock number: 7131
- Thread diameter: 14mm
- Thread pitch: 1.25mm
- Thread reach: 19mm (3/4 inch)
- Hex size: 21mm (13/16 inch)
- Seat type: Gasket / flat seat with crush washer
- Terminal type: Solid
- Overall height specification: JIS
- Gap: 0.9mm (0.035 inch)
- Heat range: 6
- Resistor: Yes, 5 kO (5,000 ohms)
- Core: Copper
- Center electrode: Nickel, standard type, 2.5mm
- Projection: Projected
- Ground electrode: Nickel, standard type, single electrode
- Insulator: Pure alumina-silicate ceramic with corrugated ribs
- Plating: Trivalent metal
- Installation torque, cast-iron cylinder head: 18–25.3 lb-ft
- Installation torque, aluminum cylinder head: 18–21.6 lb-ft
Compatibility
| Make | Model / application | Years |
|---|---|---|
| Honda | GX120, GX160, GX200 | — |
| Honda | GX610, GX620, GX670 | — |
| Other applications | Engines specifying NGK BPR6ES or a manufacturer-approved equivalent | — |
Match the BPR6ES designation, solid terminal, and plug specifications to your engine requirements. Check and adjust the gap according to your engine’s service manual before installation. Follow the engine manufacturer's installation instructions and specified torque where they differ from the general cylinder-head ranges above.
Product Diagrams
Features
Specifications
Brand: NGK; Part number: 145-84; Plug designation: BPR6ES; NGK stock number: 7131; Thread: M14 × 1.25; Reach: 19 mm / 3/4 inch; Hex: 21 mm / 13/16 inch; Seat: Gasket / flat with crush washer; Terminal: Solid; Overall height specification: JIS; Gap: 0.9 mm / 0.035 inch; Heat range: 6; Resistor: Yes, 5 kΩ / 5,000 ohms; Core: Copper; Center electrode: Nickel, standard, 2.5 mm; Projection: Projected; Ground electrode: Nickel, standard, quantity 1; Insulator: Pure alumina-silicate ceramic; Plating: Trivalent metal; Cast-iron head torque: 18–25.3 lb-ft; Aluminum head torque: 18–21.6 lb-ft; Follow engine-specific installation instructions
Model Fitments
Honda GX120, GX160, GX200, GX610, GX620, GX670; Other engines specifying NGK BPR6ES or a manufacturer-approved equivalent; Confirm plug specification and set gap and installation torque according to engine service information
-
Same day shipping for orders placed before 2PM (CST) M-F
-
30-day return period on eligible items
-
Flat-rate shipping for orders shipped to the 48 Contiguous United States.
