A-B166538S-AI BOOT-SPARK PLUG

One New Aftermarket Replacement Spark Plug Boot Fits Briggs & Fits Stratton Small Engines

This spark plug boot connects the ignition wire to the spark plug in Fits Briggs & Fits Stratton (B&S) small gasoline engines. The rubber-insulated boot seals the ignition circuit, protecting against moisture, debris, and electrical interference to ensure reliable spark transmission and consistent engine starts. Compatible with a wide range of Fits Briggs & Fits Stratton powered equipment including lawn mowers, generators, and other outdoor power equipment.

Specifications

• Wire diameter: 7mm
• Application: Small gasoline engines
• Material: Rubber insulated

Compatible With

Fits Briggs & Fits Stratton: Wide range of B&S small engines used in lawn mowers, generators, pressure washers, and other outdoor power equipment. Verify fitment against your engine model number before ordering.

Replaces Part Number(s):

B166538S-AI, 66538S, 66538, 493880, 493880S, 4124

Aftermarket Interchange Numbers

Fits Stens 135-081, Rotary 1285, Rotary 1290, Oregon 33-210, Prime Line 18-5750, Sunbelt SB-1285, Sunbelt B1SB1285, Fits Napa 7-01090, NHC 268-0457, Ratio Parts 003-209, Foley/PLP 174-150, ESF 174-150, Edgewater 409020, Green Line 54285, Green Meadow SPBC10CD, EUROGARDEN 2200439

New aftermarket replacement part - not remanufactured, not used.