The NGK BPR5ES (4006) spark plug is one of the most popular and widely used spark plugs for small engines. NGK standard plugs are engineered for longer life and optimum performance in a wide range of applications including lawn mowers, generators, pressure washers, and small tractors.
This convenient 2-pack ensures you have spare plugs on hand for multiple engines or future maintenance needs. Perfect for equipment owners with several small engines or for shops performing regular maintenance.
| Specification | Detail |
|---|---|
| Part Number | 4006 BPR5ES |
| Thread Diameter | 14mm |
| Thread Pitch | 1.25mm |
| Seat Type | Gasket |
| Reach | 19mm (3/4") |
| Hex Size | 13/16" (21mm) |
| Terminal Type | Solid |
| Overall Height | JIS |
| Gap | .035" (0.9mm) |
| Electrode Size | 2.5mm |
| Projection | Projected |
| Material | Nickel |
| Resistor | Yes (5k Ohm) |
| Heat Range | 5 |
| Torque Specs | Cast Iron: 18-25.3 lb. ft. / Aluminum: 18-21.6 lb. ft. |
| Feature | Benefit |
|---|---|
| Copper Core | Aids in heat removal for better temperature control and consistent performance |
| Trivalent Metal Plating | Provides superior anti-corrosion and anti-seizing properties for easy removal |
| Pure Alumina Silicate Ceramic Insulator | Provides superior strength and better heat transfer for reliable performance |
| Corrugated Ribs | Prevent flashover for reliable starting and operation |
| Triple Seals | Prevent leakage for consistent compression and performance |
| Built-in Resistor | 5k Ohm resistor reduces electromagnetic interference with electronics |
Q: What does BPR5ES mean?
A: B = Thread Diameter (14mm), P = Projected Insulator, R = Resistor, 5 = Heat Range, E = Thread Reach (19mm), S = Standard Construction.
Q: What gap should I set these plugs to?
A: These plugs come pre-gapped at .035" (0.9mm). Always check and adjust gap before installation according to your engine manufacturer's specifications.
Q: What torque should I use for installation?
A: For cast iron cylinder heads, torque to 18-25.3 lb. ft. For aluminum heads, torque to 18-21.6 lb. ft. Always use a torque wrench for proper installation.
Q: What equipment uses these plugs?
A: These plugs are commonly used in lawn mowers, generators, pressure washers, small tractors, and many other 4-stroke small engines.
Q: How many plugs are included?
A: This 2-pack includes two genuine NGK 4006 BPR5ES spark plugs.
Q: Are these OEM or aftermarket?
A: These are genuine NGK spark plugs, the original equipment manufacturer for countless small engine applications.
Need genuine NGK spark plugs for your small engines?
Purchase this 2-pack with confidence from our trusted inventory. Fast shipping and expert support available. Message us through eBay with any questions.
We at M & M Products are a stocking distributor for Briggs and Stratton, Kohler and Toro dealer. We not only sell their OEM parts but we also use them on our equipment repairs and rebuilds. If there is something you need and don't see it on one of our auctions, please email us through eBay and I can get it in and create an auction for that item.
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