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Spark Plug

Part Number: 50-1170
ToroLawn Boy
Availability: 25+ in stock
Price: $6.33
Ships within 1 business day

*This part replaces obsolete part #: and 81-0181.

Product Information
Manufacturer: Toro, Lawn Boy
Product Number: 50-1170
Classification: Part
Weight: 0.04 lbs.
Shipping: Ships Worldwide
Description:
This replacement spark plug is an authentic OEM sourced part, not an aftermarket imitation. It is specially designed for use on Toro lawn and garden equipment. A spark plug delivers electric current from an ignition system to an internal combustion engine. This item is sold individually.

You will need a spark plug wrench or a socket wrench to replace the spark plug.
Compatibility

This part is compatible with the following machines:

Toro
38430 (9900001-9999999)(1999) Snowthrower
38430 (8900001-8999999)(1998) Snowthrower
38430 (7900001-7999999)(1997) Snowthrower
38431 (8900001-8999999)(1998) Snowthrower
38431 (7900001-7999999)(1997) Snowthrower
38435 (9900001-9999999)(1999) Snowthrower
38435 (8900001-8999999)(1998) Snowthrower
38435 (7900001-7999999)(1997) Snowthrower
38436 (8900001-8999999)(1998) Snowthrower
38436 (7900001-7999999)(1997) Snowthrower
38181 (0000001-0999999)(1990) Snowthrower
38185 (6900001-6999999)(1996) Snowthrower
38185 (5900001-5999999)(1995) Snowthrower
38185 (4900001-4999999)(1994) Snowthrower
38185 (3900001-3999999)(1993) Snowthrower
38185 (2000001-2999999)(1992) Snowthrower
38185 (1000001-1999999)(1991) Snowthrower
38185 (0000001-0999999)(1990) Snowthrower
38185 (9000001-9999999)(1989) Snowthrower
38185 (8000001-8999999)(1988) Snowthrower
38185 (7000001-7999999)(1987) Snowthrower
38185C (9000001-9999999)(1989) Snowthrower
38185C (8000001-8999999)(1988) Snowthrower
38186 (6900001-6999999)(1996) Snowthrower
38186 (5900001-5999999)(1995) Snowthrower
38186 (4900001-4999999)(1994) Snowthrower
38186 (3900001-3999999)(1993) Snowthrower
38186 (2000001-2999999)(1992) Snowthrower
38186 (1000001-1999999)(1991) Snowthrower
38186 (0000001-0999999)(1990) Snowthrower
38180 (6900001-6999999)(1996) Snowthrower
38180 (5900001-5999999)(1995) Snowthrower
38180 (4900001-4999999)(1994) Snowthrower
38180 (3900001-3999999)(1993) Snowthrower
38180 (2000001-2999999)(1992) Snowthrower
38180 (1000001-1999999)(1991) Snowthrower
38180 (0000001-0007973)(1990) Snowthrower
38180 (0007974-0008194)(1990) Snowthrower
38180 (0008195-0999999)(1990) Snowthrower
38180 (9000001-9999999)(1989) Snowthrower
38180 (8000001-8999999)(1988) Snowthrower
38180 (7000001-7999999)(1987) Snowthrower
38180 (6000001-6999999)(1986) Snowthrower
38180C (9000001-9999999)(1989) Snowthrower
38180C (8000001-8999999)(1988) Snowthrower
38180C (7000001-7999999)(1987) Snowthrower
38181 (6900001-6999999)(1996) Snowthrower
38181 (5900001-5999999)(1995) Snowthrower
38181 (4900001-4999999)(1994) Snowthrower
38181 (3900001-3999999)(1993) Snowthrower
38181 (2000001-2999999)(1992) Snowthrower
38181 (1000001-1999999)(1991) Snowthrower
16202 (4000001-4999999)(1984) Lawn Mower
16202C (6000001-6999999)(1986) Lawn Mower
16202C (7000001-7999999)(1987) Lawn Mower
16202C (8000001-8999999)(1988) Lawn Mower
16212 (4000001-4999999)(1984) Lawn Mower
16212 (5000001-5999999)(1985) Lawn Mower
16212 (0000001-0999999)(1990) Lawn Mower
16212B (2000001-2999999)(1992) Lawn Mower
16212B (39000001-39999999)(1993) Lawn Mower
16212C (6000001-6999999)(1986) Lawn Mower
16212C (7000001-7999999)(1987) Lawn Mower
16212C (8000001-8999999)(1988) Lawn Mower
16212C (9000001-9999999)(1989) Lawn Mower
16212WG (0000001-0999999)(1990) Lawn Mower
16580 (4000001-4999999)(1984) Lawn Mower
16585 (5000001-5999999)(1985) Lawn Mower
16585 (6000001-6999999)(1986) Lawn Mower
16585 (7000001-7999999)(1987) Lawn Mower
16585 (8000001-8004251)(1988) Lawn Mower
16585 (8004252-8999999)(1988) Lawn Mower
16585 (9000001-9999999)(1989) Lawn Mower
16585 (1000001-1999999)(1991) Lawn Mower
16585C (8000001-8999999)(1988) Lawn Mower
16585C (9000001-9999999)(1989) Lawn Mower
16780 (4000001-4999999)(1984) Lawn Mower
16785 (5000001-5999999)(1985) Lawn Mower
16785 (6000001-6999999)(1986) Lawn Mower
16785 (7000001-7999999)(1987) Lawn Mower
16785 (8000001-8007011)(1988) Lawn Mower
16785 (8007012-8999999)(1988) Lawn Mower
16785 (9000001-9999999)(1989) Lawn Mower
16785 (0000001-0999999)(1990) Lawn Mower
16785 (1000001-1999999)(1991) Lawn Mower
20103 (1000001-1999999)(1991) Lawn Mower
20106 (1000001-1999999)(1991) Lawn Mower
20106 (2000001-2999999)(1992) Lawn Mower
20321 (2000001-2999999)(1992) Lawn Mower
20326 (2000001-2999999)(1992) Lawn Mower
20329 (2000001-2999999)(1992) Lawn Mower
20745 (4000001-4999999)(1984) Lawn Mower
20745C (5000001-5999999)(1985) Lawn Mower
20745C (6000001-6999999)(1986) Lawn Mower
20745C (7000001-7999999)(1987) Lawn Mower
20745C (8000001-8999999)(1988) Lawn Mower
20746C (8000001-8999999)(1988) Lawn Mower
20747 (5000001-5999999)(1985) Lawn Mower
20747C (6000001-6999999)(1986) Lawn Mower
20747C (7000001-7999999)(1987) Lawn Mower
20747C (8000001-8999999)(1988) Lawn Mower
20680 (4000001-4999999)(1984) Lawn Mower
20680 (5000001-5999999)(1985) Lawn Mower
20680 (6000001-6999999)(1986) Lawn Mower
20680 (0000001-0999999)(1990) Lawn Mower
20684 (4000001-4999999)(1984) Lawn Mower
20684 (5000001-5999999)(1985) Lawn Mower
20684 (6000001-6999999)(1986) Lawn Mower
20684 (7000001-7999999)(1987) Lawn Mower
20684 (8000001-8999999)(1988) Lawn Mower
20684C (9000001-9999999)(1989) Lawn Mower
20584 (5000001-4999999)(1985) Lawn Mower
20584 (6000001-6999999)(1986) Lawn Mower
20584 (7000001-7999999)(1987) Lawn Mower
20584 (8000001-8999999)(1988) Lawn Mower
20584C (9000001-9999999)(1989) Lawn Mower
20581 (5000001-5999999)(1985) Lawn Mower
20581 (6000001-6999999)(1986) Lawn Mower
20581 (7000001-7999999)(1987) Lawn Mower
20581 (8000001-8999999)(1988) Lawn Mower
20581C (8000001-8999999)(1988) Lawn Mower
20582C (6000001-6999999)(1986) Lawn Mower
20584 (4000001-4999999)(1984) Lawn Mower
22035 (1000001-1999999)(1991) Lawn Mower
22035C (7000001-7999999)(1987) Lawn Mower
22035C (8000001-8999999)(1988) Lawn Mower
22035C (9000001-9999999)(1989) Lawn Mower
22036 (0000001-0999999)(1990) Lawn Mower
22036 (1000001-1999999)(1991) Lawn Mower
22036 (2000001-2999999)(1992) Lawn Mower
22037B (39000001-39999999)(1993) Lawn Mower
22037B (49000001-49999999)(1994) Lawn Mower
22037BC (5900001-5999999)(1995) Lawn Mower
22038 (9900001-9999999)(1999) Lawn Mower
22038 (200000001-200999999)(2000) Lawn Mower
22038 (210000001-210999999)(2001) Lawn Mower
22038 (220000001-220999999)(2002) Lawn Mower
22038 (230000001-230999999)(2003) Lawn Mower
22038 (7900001-7999999)(1997) Lawn Mower
22038 (8900001-8999999)(1998) Lawn Mower
22038B (69000001-69999999)(1996) Lawn Mower
22040 (6900001-6999999)(1996) Lawn Mower
22040 (1000001-1999999)(1991) Lawn Mower
22040 (2000001-2999999)(1992) Lawn Mower
22040 (3900001-3999999)(1993) Lawn Mower
22040 (4900001-4999999)(1994) Lawn Mower
22040 (5900001-5999999)(1995) Lawn Mower
22040 (7900001-7999999)(1997) Lawn Mower
22040 (9900001-9999999)(1999) Lawn Mower
22040 (200000001-200999999)(2000) Lawn Mower
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Lawn Mower
  • • Snowblower
Repair Instructions: Submitted by Customers Like You
3 of 3 people found this instruction helpful
Tool Type:
Snowblower
Parts Used:
Primer Bulb - 66-7460
Spark Plug - 50-1170
Float Bowl Gasket - 81-2630
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, #18 gauge telephone wire, Q-tips, knife
Snow Blower wouldn't start. Primer Button was rotted and I assumed the carburator was dirty.
The first step was to watch some of your excellent "how to" videos. I then took off the cowling to remove the Primer Button on the dash. Then removed the carburetor, disassembled it and sprayed it with carburetor cleaner and used the thin gauge wire to run through all the orifices, and re-sprayed it again. I had to review the videos again because I forgot how to reassemble the needle valve into the float. Let me reiterate how excellent your videos are. I then trimmed the primer and gas line hose ends (they were cracked where the clamps are or in the pressed on areas). After reassembling the carburetor, linkage and hoses, and installing a new spark plug, I replaced the cowling, added the fuel mixture, primed once, full choked and cranked it. It started on the first pull. The blower is over 25 years old and works like new. Thanks for all the help I got from the videos and your quick response to the parts I ordered. Best regards, WES
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Tool Type:
Snowblower
Parts Used:
Fuel Filter - 56-6360
Clamp - 2412-98
Rotor Blade - 99-9313
Scraper - 55-8760
Belt - Drive - 55-9300
Gas Line - 49-2481
Spark Plug - 50-1170
Repair Difficulty:
Medium
Time Spent Repairing:
More than 2 hours
Tools Used:
Screwdriver, Pliers, Power Drill, Socket set, Wrench Set
Rotor blade, tune up
Changing rotor blade was difficult because of tight space to work in. Reassembling plastic covering and control panel was the most difficult. Had to loosen all bolts on front and rear covering to aline and reassemble. Drive belt, spark plug, gas lines and filter were the easiest. One bolt on drive belt side cover was worn down so much could not use wench, had to drill out and replace.
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Tool Type:
Lawn Mower
Parts Used:
Spark Plug - 50-1170
Filter-Air - 107-4622
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Socket set
16 year old Lawn Boy needed a tune-up.
1. Removed old spark plug from mower.
2. Set new spark plug gap to .030 and installed it in mower.
3. Put 1 tablespoon of 30 weight motor oil onto new air filter.
4. Worked motor oil into filter by hand spreading it out evenly.
5. Blotted out excess motor oil from filter with a paper towel.
6. Cleaned mower air filter housing of old oil and yard debris.
7. Installed new air filter.
8. Mower starts now with ease and runs great!
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Tool Type:
Snowblower
Parts Used:
Screw-Hh - 321-4
Lock Nut - 3296-56
Rotor Blade - 99-9313
Screw - 136-7182
Spark Plug - 50-1170
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Socket set, Wrench Set, Nutdriver
27 year old snowblower that needed a new impeller. Like new again (almost...)
Pretty straight forward. Just took out the bolts and impeller, then put'em back in. I did need a 3rd hand to get 2 of the bolts back in on the 'passenger side'.
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Tool Type:
Snowblower
Parts Used:
Boot-Switch - 61-4810
Belt - Drive - 55-9300
Spark Plug - 50-1170
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Socket set, Wrench Set
Nothing at all.
I had to remove part of the shroud covering the starter switch and dissemble the switch in order to install the switch boot. I also had to remove a side cover to gain access to the belt. Replacing the spark plug was a simple task whereas it was staring me in the face after removing part of the engine shroud. The parts I purchased were a perfect fit. I will certainly order from eReplacements Parts again when needed.
Ken from Acushnet MA
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Tool Type:
Lawn Mower
Parts Used:
Primer Bulb - 66-7460
Primer Body - 44-2750
Spark Plug - 50-1170
Filter-Air - 107-4622
Blade (21-Inch) - 612543-03
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Socket set, Feeler gauge to check spark plug gap
Needed primer bulb on my lawn boy mower and it was time
Removed three screws took off the shroud and carefully removed primer line popped out primer base then put in new base and primer bulb then replaced primer line put the shroud back on with the three screws. Then took a screwdriver and popped the clip off air cleaner cover and replaced air cleaner and cover. Removed spark plug wire removed plug and replaced with a new plug. Then replaced blade before attaching spark plug wire.
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Reviews
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Average Rating (out of 5):
3 Reviews
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  • Great and prompt service.
    Parts are as advertised and have never received any wrong parts.
    Guest - January 11, 2021 Verified Purchase
    Easy
    Correct part...quick shipping !!
    Guest - November 8, 2020 Verified Purchase
    Tell like it is.
    I to took a week for you folks to get my order to the USPS. When I called, a customer service lady stated that they had the order filled the next day after I placed it. She blamed the post office, that they were slow to update their information on line. I checked it out and it wasn't true.
    MARK - July 25, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Toro, Lawn Boy
    Product Number: 50-1170
    Classification: Part
    Weight: 0.04 lbs.
    Shipping: Ships Worldwide
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    Midvale, UT 84047
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