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Grease Seal 721-0327

Part Number: 721-0327

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Questions & Answers

Repair Instructions

Product Information

Description:

The grease seal fits onto the worm shaft and next to the bearing-flange and helps to stop the oil from leaking. This genuine item is supplied by the original equipment manufacturer for use with snow throwers and snowblowers made by Ryobi, MTD, Yard Machines, Bolens, Yard Man, Troy-Bilt, and Cub Cadet. It is made of plastic and is sold individually. A screwdriver, set of pliers, a socket set, and a wrench set may all be necessary during the installation of this part. It may become broken and will need to be replaced.

Warning: California's Proposition 65

Frequently Purchased With

Gear-worm 20t..
$45.69

Flange Bearing..
$10.71

Bearing-flange..
$11.50

Key-hi-pro
$6.84

Shaft-worm
$84.36

Seal-.750x1.00..
$7.97

Pin-dowel
$6.84

Collar-thrust ..
$8.14

Compatibility

This part is compatible with the following machines:

Ryobi

31AE660F013 Snow Thrower
31AE660G034 Snow Thrower

31AE6Q0F034 Snow Thrower

MTD

316E610E382 (1996) Snowblower
316E640F382 (1996) Snowblower
317E610E382 (1997) Snowblower
31AE600E382 (1998) Snowblower
31AE640F382 (1998) Snowblower
31AE600E382 (1999) Snowblower
31AE6C0F382 (1999) Snowblower
31AE600E300 (2003) Snowblower
31AE660G300 (2003) Snowblower
31AE6COF300 (2003) Snowblower
31AE600E300 (2004) Snowblower
31AE660G300 (2004) Snowblower
31AE6C0F300 (2004) Snowblower
31AH660G300 (2004) Snowblower
31AE6AHE722 (2005) Snowblower
31AE6BHE722 (2005) Snowblower
31AE6GLF722 (2005) Snowblower
31AE6LLG722 (2005) Snowblower
31AH6LKH722 (2005) Snowblower
31AH5ZLH704 (2008) Snowblower
31AH6ZLG704 (2008) Snowblower
31AM62KE704 (2008) Snowblower
31AM63LF704 (2008) Snowblower
317E640F033 (1997) Snowblower
316-610E147 (1996) Snow Blower
316-611D118 (26274) (1996) Snow Blower
316-641E118 (1996) Snow Blower
316E610E088 (TMO-3525302) (1996) Snow Blower
316E641E205 (1996) Snow Blower
316E660G352 (1619743) (1996) Snow Blower
316E611D352 (1652656) (1996) Snow Blower
316E640F013 (1996) Snow Blower
316E661E118 (537980) (1996) Snow Blower
316E740F352 (1652670) (1996) Snow Blower
316E740F752 (1652670) (1996) Snow Blower
316E760F118 (590678) (1996) Snow Blower
314-610E000 (1994) Snowblower
314-612E000 (1994) Snowblower
314-640F000 (1994) Snowblower
314-642F000 (1994) Snowblower
314-660G000 (1994) Snowblower
31AE5KLF795 (2006) Snow Thrower
31AE5KLF795 (2007) Snow Thrower

Yard Machines

31AE6GLF723 (2005) Snowblower
31AE6LFH718 (2005) Snowblower
31AE6LLG723 (2005) Snowblower
31AE600E161 (1999) Snowblower
31AE600E161 (1998) Snowblower

31AE640F000 (1998) Snowblower
317E610E000 (1997) Snowblower
316E610E000 (1996) Snowblower
316E640F000 (1996) Snowblower

Bolens

31AS611D163 (2004) Snowblower

Yard Man

Expand the 150+ compatible machines

Products Compatibility

This item works with the following types of products:

• Snowblower

Questions & Answers for Grease Seal

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Repair Instructions: Submitted by Customers Like You

4 of 4 people found this instruction helpful

Tool Type:

Snowblower

Parts Used:

Grease Seal - 721-0327

Gear-worm 20t - 917-04861

Repair Difficulty:

Easy

Time Spent Repairing:

30-60 minutes

Tools Used:

Screwdriver, Pliers, Socket set, Wrench Set

Auger not working on Toro snowblower

Removed and disassembled auger and gearbox per your tube video. Carefully cleaned gearbox of brass gear filings. Checked output shaft to ensure it is not ruined. I ordered brass gear and seal which arrived quickly through ereplacement parts. Reassembled using EP00 grease. Fairly simple as long as you keep parts in order and saved a couple of hundred dollars.

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Tool Type:

Snowblower

Parts Used:

Grease Seal - 721-0327

Key-hi-pro - 914-0161

Pin-dowel - 715-04021

Seal-.750x1.00x.12 - 921-0338

Gear-worm 20t - 917-04861

Repair Difficulty:

Medium

Time Spent Repairing:

1-2 hours

Tools Used:

Screwdriver, Pliers, Socket set, Wrench Set, Gasket scraper,silicone,brush,brake cleaner,grease

Sheared the brass auger gear inside the gear box

Removed front scoop,Removed pulley, removed bolts the 3 bolts on each side holding the augers in place. Removed the whole !auger assembly from scoop. Removed 4 shear pins, pulled off 4 augers blades "2RH 2LH" and plastic spacers/bushings. Removed 5 bolts holding the 2 case halves and separated case. Cleaned thoroughly and scraped old gasket "silicone". Replaced gear with new one. Also replaced the keyway and shear pin. Replaced the 3 shaft oil seals also. Reverse procedure to assemble. Using silicone and grease to assemble. Use diff oil where applicable.

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0 of 1 people found this instruction helpful

Tool Type:

Snowblower

Parts Used:

Grease Seal - 721-0327

Housing Asm-reduce - 918-0124A

Repair Difficulty:

Easy

Time Spent Repairing:

More than 2 hours

Tools Used:

Socket set, Wrench Set, air impact

Worm gear shaft, brass gear, auger shaft, were damaged, 1/2 housing cracked, replaced all

Separated auger housing from motor/transmission unit. Disassemble complete auger housing, removed auger impellers, split worm gear housing, removed impeller, worm gear shaft bushings, etc. Cleaned all parts, then reassembled with new parts in reverse order. Job complete. Works great! Thank You
If you need to, take picture before, to help in reassemble.

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Easy repair

Parts fit perfect

Guest - March 21, 2020 Verified Purchase

Verified Purchase

eReplacementParts Team

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