B4-LM NGK Standard Compact Spark Plug | Genuine NGK Spark Plug

🔧 Product Description

NGK Standard Compact Spark Plug – Part Number: B4-LM

Spark plugs are a critical engine component, providing the spark that ignites the air-fuel mixture that drives an engine. NGK spark plugs feature trivalent plating – a silver/chrome-coloured finish on the threads – for corrosion resistance against moisture and chemicals, and are designed to meet or exceed OE standards.

⚙️ Key Features

• Standard nickel centre electrode
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs reduce the risk of flashover
• Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

📏 Specifications

• NGK stock number: 3410
• Thread: 14 mm
• Reach: 9.5 mm (3/8 in)
• Hex: 20.8 mm (13/16 in)
• Seat: Gasket
• Type: Compact

🚘 Application

Listed in NGK's application charts for lawn, garden and commercial equipment. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.0 mm depending on the engine, so check the line for yours.

• Flo-Mow (TECUMSEH) – Lawnmower
• Flymo (3.5HP TECUMSEH) – Lawnmower
• Goodall (RIDING TRACTOR) – Lawnmower
• Goodall – Lawnmower
• Grazer (11HP B&S) – Lawnmower
• Husqvarna (2HP & 3.5HP TECUMSEH) – Lawnmower
• Husqvarna HVT52, HTV1200, HTV1500, HTV2000 – Lawnmower
• Midland (4-STROKE) – Lawnmower
• Milbrandt (14MM HEAD) – Lawnmower
• Roof RIDING TRACTOR – Lawnmower
• Snappin Turtle (14MM HEAD) – Lawnmower
• Sterns (14MM HEAD) – Lawnmower
• Sunbeam (ALL OTHER 14MM HEADS) – Lawnmower
• Trim-All – Lawnmower
• Goodall RAKE – Outdoor Power Equipment
• Earth Drill PH980, PH980E (3HP TECUMSEH) – Outdoor Power Equipment
• Hoffco PH980, PH980E (3HP 85cc TECUMSEH) – Outdoor Power Equipment
• Hoffco PH1700A (98cc 3.5HP) – Outdoor Power Equipment
• Hovering Trimmer HVT52, HTV1200, HTV1500, HTV2000 – Outdoor Power Equipment
• Snow Thrower (JACOBSON 321) – Outdoor Power Equipment
• Nylon Trimmer 85G – Outdoor Power Equipment
• Snow Thrower 1026 – Outdoor Power Equipment
• Jollyhoe 14MM HD – Outdoor Power Equipment
• Modern EDGER-TRIMMER – Outdoor Power Equipment
• Roloff VERSA-TOOL – Outdoor Power Equipment

That is the 25 most common of 40 applications NGK's charts list for this plug – ask us to check yours.

🔄 Supersession & Cross Reference

NGK's cross-reference tables list this plug against these part numbers.

• Bosch: 7803, W9E0, W9EC0, W9EO
• Champion: 845, 845-1, 845S, J17LM
• ACDelco: LM46, LM49, LM6
• Autolite: 258, 258DP, 3666
• DENSO: 6014, W14LM-U
• Gator/Oregon: 77-301, 77-313
• Motorcraft: A7CLM, A7LM
• Torch: G4LC, GL4
• John Deere: AM101194

📦 Condition

• Brand new genuine product
• Supplied in original packaging