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Boot-Spark Plug

Part Number: 66538S
Briggs and StrattonToroLawn BoyMurray
Availability: 25+ in stock
Price: $3.99
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*This part replaces obsolete part #: and 66538.

Product Information
Manufacturer: Briggs and Stratton, Toro, Lawn Boy, Murray
Product Number: 66538S
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
Description:
This replacement spark plug boot is a genuine OEM item that is utilized on Briggs and Stratton engines commonly installed on Toro lawn and garden equipment. The purpose of this rubber item is to insulate the spark plug and the wire terminal. Please note this durable rubber spark plug boot is sold individually.
Compatibility

This part is compatible with the following machines:

Briggs and Stratton
Toro
38580 (5900001-5999999)(1995) Snowthrower
38580 (4900001-4999999)(1994) Snowthrower
38580 (3900001-3999999)(1993) Snowthrower
38580 (2000001-2999999)(1992) Snowthrower
38580 (1000001-1999999)(1991) Snowthrower
38580 (0000001-0999999)(1990) Snowthrower
38580 (9000001-9999999)(1989) Snowthrower
38580 (8000001-8999999)(1988) Snowthrower
38155 (0000001-0999999)(1980) Snowthrower
38160 (7000001-7999999)(1987) Snowthrower
38160 (6000001-6999999)(1986) Snowthrower
38160 (5000001-5999999)(1985) Snowthrower
38160 (4000001-4999999)(1984) Snowthrower
38160 (3000001-3999999)(1983) Snowthrower
38160 (2000001-2999999)(1982) Snowthrower
38160 (1000001-1999999)(1981) Snowthrower
38160 (0000001-0999999)(1980) Snowthrower
38160 (9000001-9999999)(1979) Snowthrower
38095 (0000001-0999999)(1980) Snowthrower
38070 (8000001-8999999)(1978) Snowthrower
38060 (8000001-8999999)(1978) Snowthrower
31727 (1000001-1999999)(1971) Snowthrower
31756 (4000001-4999999)(1974) Snowthrower
31756 (3000001-3999999)(1973) Snowthrower
31760 (200001-299999)(1972) Snowthrower
31763 (7000001-7999999)(1977) Snowthrower
31763 (6000001-6999999)(1976) Snowthrower
31763 (5000001-5999999)(1975) Snowthrower
31763 (4000001-4999999)(1974) Snowthrower
31763 (3000001-3999999)(1973) Snowthrower
31813 (4000001-4999999)(1974) Snowthrower
31820 (200001-299999)(1972) Snowthrower
31823 (7000001-7999999)(1977) Snowthrower
31823 (6000001-6999999)(1976) Snowthrower
31823 (5000001-5999999)(1975) Snowthrower
31823 (4000001-4999999)(1974) Snowthrower
31832 (1000001-1999999)(1971) Snowthrower
31995 (7000001-7999999)(1977) Snowthrower
31995 (6000001-6999999)(1976) Snowthrower
31260 (200001-299999)(1972) Snowthrower
31263 (4000001-4999999)(1974) Snowthrower
31320 (200001-299999)(1972) Snowthrower
31323 (4000001-4999999)(1974) Snowthrower
31995 (5000001-5999999)(1975) Snowthrower
38090 (7000001-7999999)(1987) Snowthrower
38090 (6000001-6999999)(1986) Snowthrower
38090 (5000001-5999999)(1985) Snowthrower
38090 (4000001-4999999)(1984) Snowthrower
38090 (3000001-3999999)(1983) Snowthrower
38090 (2000001-2999999)(1982) Snowthrower
38090 (1000001-1999999)(1981) Snowthrower
38090 (0000001-0999999)(1980) Snowthrower
38090 (9000001-9999999)(1979) Snowthrower
38095 (7000001-7999999)(1987) Snowthrower
38095 (6000001-6999999)(1986) Snowthrower
38095 (5000001-5999999)(1985) Snowthrower
38095 (4000001-4999999)(1984) Snowthrower
38095 (3000001-3999999)(1983) Snowthrower
38095 (2000001-2999999)(1982) Snowthrower
38095 (1000001-1999999)(1981) Snowthrower
38150 (7000001-7999999)(1987) Snowthrower
38150 (6000001-6999999)(1986) Snowthrower
38150 (5000001-5999999)(1985) Snowthrower
38150 (4000001-4999999)(1984) Snowthrower
38150 (3000001-3999999)(1983) Snowthrower
38150 (2000001-2999999)(1982) Snowthrower
38150 (1000001-1999999)(1981) Snowthrower
38150 (0000001-0999999)(1980) Snowthrower
38150 (9000001-9999999)(1979) Snowthrower
38155 (7000001-7999999)(1987) Snowthrower
38155 (6000001-6999999)(1986) Snowthrower
38155 (5000001-5999999)(1985) Snowthrower
38155 (4000001-4999999)(1984) Snowthrower
38155 (3000001-3999999)(1983) Snowthrower
38155 (2000001-2999999)(1982) Snowthrower
38155 (1000001-1999999)(1981) Snowthrower
38565 (9000001-9999999)(1989) Snowthrower
38565 (8000001-8999999)(1988) Snowthrower
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Engine
  • • Generator
  • • Snowblower
Questions & Answers

No questions have been asked yet
Discussion
Discussion for Boot-Spark Plug - ( 66538S )
Discussion is closed. To ask our experts a question about a part, use the Q&A feature.
Question: Spark Plug Boot

llanders

Doo boot include metal barb that connects to plug wire?
Hello llanders This is a good question. It seems to depend on the vendor that sells it. I recommend a site where the photo depicts the part and shows it WITH the metal barb. Some show the barb, and some do not. I have not seen that part on this site. I think the boot is supposed to include the barb however. Try Sears for it online. It may be available in the yard care section at Home Depot or Lowes as well; saving quite a bit on shipping charges.

link removed
Product Information
Manufacturer: Briggs and Stratton, Toro, Lawn Boy, Murray
Product Number: 66538S
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
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