Description
Overview:
The Genuine NGK BMR4A Spark Plug (MPN 5728) is a resistor-type plug built to deliver a clean, consistent spark in small petrol engines. It uses a tough ceramic insulator and a corrosion-resistant steel shell for long service life in demanding outdoor conditions. This plug helps engines start reliably, idle smoothly and maintain efficient combustion, reducing misfires and performance drop-off. It is suitable for a wide range of compact machinery used in gardening, landscaping and light construction, including equipment such as the Honda EG550 generator and Kawasaki FD620D-powered machines. Supplied as a single plug, it is a straightforward replacement for worn or fouled plugs and is an ideal choice for routine servicing where dependable ignition and durability are required.
Key Features:
- Genuine NGK part for consistent quality and fitment
- Resistor design helps suppress electrical interference (RFI) with nearby electronics
- Reliable cold starting and stable idle in small engines
- Durable ceramic insulator and plated metal shell for corrosion resistance
- Engineered heat range to suit the listed engines and operating conditions
- Helps maintain fuel efficiency and reduce plug fouling under varied loads
- Simple, like-for-like replacement for routine maintenance
- Suitable for lawn and garden equipment, portable generators and light construction tools
Typical Applications:
Used in lawnmowers, compact tillers, generators, water pumps, plate compactors and small utility vehicles. Ideal for domestic and professional equipment that sees regular starts, short runtimes and variable loads, where dependable ignition and steady combustion are important for performance and fuel economy.
Also known as:
Spark igniter, engine plug, resistor plug, small‐engine plug.
Fits Models:
A400, BS50-4, BS504, BS60-4, BS604, EG550, EM650, EX650, F210, FB460V, FD501V, FD620D, FD661D, G100, G100 K1, G100K1, G1700i, GV100 K1, GV100K1, HC16, HR17, HR173, KAF620-D, KAF620D, KHD600-A, KHD600A, KHS750-A, KHS750A, WB10
Product Specifications
| L&S Part No. | BMR4A |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | NGK |
| OEM No. | 5728 |
| Unit of Sale | 1 |
| Applications | A400, BS50-4, BS504, BS60-4, BS604, EG550, EM650, EX650, F210, FB460V, FD501V, FD620D, FD661D, G100, G100 K1, G100K1, G1700i, GV100 K1, GV100K1, HC16, HR17, HR173, KAF620-D, KAF620D, KHD600-A, KHD600A, KHS750-A, KHS750A, WB10 |
| Machine Type | Lawn Tractors, Engines, Generators, Compactors |
| Fits Brands | Wacker Neuson |
| Fits Models | FB460V | FD501V | FD620D | FD661D | G100 | G100K1 | WM 90 |
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