Briggs & Stratton
This spark plug boot (part number 66538S) is for lawn and garden equipment engines.
Spark plug boot 66538S covers the wire connection on the end of the spark plug. The boot also comes with a new wire crimp connector.
Wear work gloves to protect your hands when installing this part.
Lawn & Garden/Yard/Farm
0.56" INHx 4.00" INHx 4.00"FOT
- Installations last year: 8
- Average installation time: 74 minutes
- Level of repair difficulty: