Genuine NGK 4972 BPMR6A Spark Plug Resistor Lawnmower 7021
Item Specifics
Single Spark Plug – Resistor Type
Part Number: NGK 4972 / BPMR6A
Supersedes: 7021 (Non-Resistor)
Quantity: 1 Plug
NGK standard plugs are constructed for longer life and optimum performance. This genuine NGK BPMR6A spark plug features trivalent metal plating for superior anti-corrosion and anti-seizing properties. This spark plug fits a lot of small equipment.
Technical Specifications
| Specification | Details |
|---|---|
| Thread Diameter | 14mm |
| Thread Pitch | 1.25mm |
| Seat Type | Gasket |
| Reach | 9.5mm (3/8″) |
| Hex Size | ¾” (19mm) |
| Gap | .028″ (0.7mm) |
| Heat Range | 6 |
| Terminal Type | Solid / Bantam |
| Resistor | Yes (5k Ohm) |
| Torque Specs | Cast Iron: 18-25.3 Ft Lbs | Aluminum: 18-21.6 Ft Lbs |
Construction Materials
| Component | Material | Benefit |
|---|---|---|
| Center Electrode | Nickel | Durable spark delivery |
| Core | Copper | Aids in heat removal |
| Insulator | Pure Alumina Silicate Ceramic | Superior strength and heat transfer |
| Plating | Trivalent Metal | Anti-corrosion and anti-seizing |
| Seals | Triple Seal Construction | Prevents leakage |
| Ribs | Corrugated Ceramic | Prevents flashover |
Key Details
- Single Plug: One genuine NGK spark plug for small engine maintenance
- Resistor Type: BPMR6A features 5k Ohm built-in resistor to reduce electromagnetic interference
- Updated Design: Replaces non-resistor 7021 with improved resistor technology
- Premium Construction: Copper core, alumina silicate insulator, and triple seals for durability
- Corrosion Resistant: Trivalent metal plating prevents seizing and corrosion
- Wide Application: Fits a lot of small equipment including lawn mowers, generators, and more
We are a stocking dealer with Briggs & Stratton Kohler. If you need a different plug and you do not see it, please ask. If we do not have it we will be more happy to bring it in. We do bring spark plugs in by hundreds monthly. If you have any questions please feel free to ask.
We at Red Rock Turf are a stocking distributor for Briggs and Stratton, Kohler, 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 me through [email protected] and I can get it in and create an auction for that item.
We also ship internationally!
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