PTB2LM NGK Spark Plug – 10mm Resistor Lawn & Garden Plug for Briggs, Tecumseh & Murray – NGK 8233
PTB2LM NGK Spark Plug – 10mm Resistor Lawn & Garden Plug for Briggs, Tecumseh & Murray – NGK 8233 is backordered and will ship as soon as it is back in stock.
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PTB2LM NGK Spark Plug – 10mm Resistor Lawn & Garden Plug for Br...
Ensure reliable starting in your walk-behind mower and small engine equipment with the NGK PTB2LM spark plug – the OE-style replacement for Briggs & Stratton, Tecumseh, Murray, Snapper, and Toro applications . Features a 98% pure copper core for superior heat dissipation, 10K Ohm resistor for EMI suppression, and 10mm micro-thread design for compact engine heads.
Precision 10mm x 1.0mm thread, 12.7mm (1/2") reach, 16mm hex, and 0.7mm (0.028") pre-set gap .
Vehicle Fitment:
| Equipment Type | Manufacturer / Models |
|---|---|
| Walk-Behind Mowers | Briggs & Stratton, Tecumseh, Murray, Snapper, Toro |
| Lawn & Garden | Standard 10mm small engine applications |
| Outdoor Power | Various OPE requiring 10mm thread, heat range 2 |
Always verify fitment using your equipment's model and engine code before ordering.
Product Specifications:
| Specification | Details |
|---|---|
| NGK Part Number | PTB2LM |
| NGK Stock Number | 8233 |
| Type | Resistor Spark Plug |
| Thread Size | 10mm x 1.0mm |
| Thread Reach | 12.7mm (1/2") |
| Hex Size | 16mm (5/8") |
| Seat Type | Flat / Gasket |
| Spark Gap | 0.7mm (0.028") |
| Resistor Value | 10K Ohm |
| Center Core | 98% Pure Copper |
| Center Electrode | Nickel, non-projected |
| Ground Electrode | Nickel, single |
| Terminal Type | Removable Nut (SAE) |
| Heat Range | 2 |
| Condition | Genuine NGK New |
OEM & Aftermarket Cross-References:
| Brand | Part Numbers |
|---|---|
| NGK | PTB2LM (8233) |
| Briggs & Stratton | 491055S, 491055, 697136, 697244, 792048, 792949 |
| Tecumseh | 34212, 34575, 34844, 34845, 36108 |
| Murray | OEM specification |
| Snapper | OEM specification |
| Toro | OEM specification |
Why Choose NGK PTB2LM?
-
10mm micro-thread – Precision fit for compact lawn mower engines
-
98% pure copper core – Superior heat dissipation, reliable starts, reduced overheating
-
10K Ohm resistor – Suppresses EMI for sensitive ignition modules
-
Heat range 2 – Colder running plug for specific engine requirements
-
Nickel-alloy electrodes – Consistent wear, extended service life
-
Cold-rolled threads – Prevents cross-threading and cylinder head damage
-
Trivalent metal plating – Corrosion resistant; no anti-seize required
-
Removable terminal nut – Universal fitment for various plug cap styles
Torque: 12–12.7 ft-lb (17.2 Nm) – 16mm hex adaptor required for 10mm plug.
Trust the original. Trust NGK.
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