B1LB31 SPARK PLUG BOOT REPLACES
B1LB31 SPARK PLUG BOOT REPLACES
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One New Aftermarket Replacement Spark Plug Boot for Lawn-Boy (Lawn Boy) Lawn Mowers
This aftermarket replacement spark plug boot fits 7 mm ignition wire and is used in the ignition system of Lawn-Boy (Lawn Boy) and Gilson lawn mowers. It connects the spark plug wire to the spark plug, ensuring proper ignition and reliable engine starting. Replaces multiple OEM and aftermarket part numbers across the Rotary, Fits Stens, and Lawn-Boy catalogs.
Specifications
- Wire Size: 7 mm
- Application: Lawn mower ignition system
Compatible Models
Lawn-Boy (Lawn Boy): Several models (verify fitment by model number before ordering)
Gilson: Several models (verify fitment by model number before ordering)
Replaces Part Number(s):
B1LB31, A-B1LB31, A-B1LB31-AI, 51023, 510231, 580339, 684698 (Lawn-Boy / Gilson); 10190 (Rotary); 135-053, 135-095, 135053, 135095 (Fits Stens); LB-31, P01365S, 7-01090, 506101, 268-1098
New aftermarket replacement part - not remanufactured, not used.



