Medium
30-60 minutes
This is a genuine OEM sourced item that is specially produced for Troy-Bilt and MTD roto-tillers. The purpose of this component is to provide a tight seal which will prevent oil from leaking. It is an identical replacement for a missing or worn seal-oil for the tine shaft that was originally installed on a new unit, please make sure to check the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality item is made of durable metal and is sold individually.
Seal-oil 921-04035
OEM part for: Troy-Bilt, MTD
Part Number: 921-04035
$12.57
In Stock
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Compatibility
This Seal-oil will fit the following 190 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Troy-Bilt
Show More Compatible ModelsThis item works with the following types of products:
This part replaces obsolete part #: 97073P, 97073, GW-9623099, GW-97073, 721-04035
Customer Part Reviews ?
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great
Great fast service.
Guest -
April 29, 2022
Verified Purchase
Troy Bilt
The correct replacement parts. No more oil leaks.
Guest -
July 23, 2020
Verified Purchase
Received the new seals quick and installed them fit perfect and no leaks
Received the new seals quick and installed them fit perfect
Guest -
June 6, 2019
Verified Purchase
Part was easy to replace. Worked great
Good the part quick and it was an exact fit
Guest -
April 22, 2019
Verified Purchase
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Gearbox seal leaked out gear oil
michael - June 9, 2016
👍 15 of 15 people found this instruction helpful
Tool Type
Cultivator
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Wrench Set, Pulled the seals out with drywall screws
Remove the spark plug. Consider any safety issues. Drain the gearbox oil.
Remove the tyne hubs by removing a 3/8 ths bolt that goes thru the hub and connects the tyne sleeve to the main shaft. Remove both sides to complete both seals. Once the tyne sleeve is off, use a cordless drill to shoot drywall screws into the seal. you may need to drill small holes first, then use two claw hammers or prying tools to pop the seals up out of the seal boss area. Clean the shaft with emery paper, and clean the bore of the tyne sleeve. With your finger, put a light coat of grease on the shaft, slip the new seal down the shaft and tap it into position. Be certain to get it inserted evenly around the outer circumference of the seal. Replace the sleeve and bolt everything back together.
Remove the tyne hubs by removing a 3/8 ths bolt that goes thru the hub and connects the tyne sleeve to the main shaft. Remove both sides to complete both seals. Once the tyne sleeve is off, use a cordless drill to shoot drywall screws into the seal. you may need to drill small holes first, then use two claw hammers or prying tools to pop the seals up out of the seal boss area. Clean the shaft with emery paper, and clean the bore of the tyne sleeve. With your finger, put a light coat of grease on the shaft, slip the new seal down the shaft and tap it into position. Be certain to get it inserted evenly around the outer circumference of the seal. Replace the sleeve and bolt everything back together.
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oil seal on my tiller was leaking
Tom - February 13, 2017
👍 5 of 5 people found this instruction helpful
Tool Type
Cultivator
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers
Parts Used
1. Removed tine
2. Removed the oil seal. (not easy at all)
3. Replaced oil seal.
4. Screwed up the first oil seal so I had to remove that one. (be careful about making sure the seal gets seated uniformly before trying to pound it in)
5. Replaced with 2nd oil seal that I purchased. (made sure I used plenty of grease on the tine shaft and coated the oil seal and it went in so much smoother. consistent pressure will avoid my mistake.
2. Removed the oil seal. (not easy at all)
3. Replaced oil seal.
4. Screwed up the first oil seal so I had to remove that one. (be careful about making sure the seal gets seated uniformly before trying to pound it in)
5. Replaced with 2nd oil seal that I purchased. (made sure I used plenty of grease on the tine shaft and coated the oil seal and it went in so much smoother. consistent pressure will avoid my mistake.
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Oil seal leak on tiller shaft on my TroyBilt rototiller
Martin - May 3, 2019
👍 3 of 3 people found this instruction helpful
Tool Type
Cultivator
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Power Drill, Socket set, Adjustable Wrench, Pry tool
Parts Used
1. Removed tines.
2. Drilled small hole near edge of leaking oil seal and screwed in sheet metal screw part way.
3. Pried off oil seal by using partially screwed in sheet metal screw.
4. Cleaned shaft by lightly sanding with fine sandpaper.
5. Slid on new oil seal and tapped it into place using a short piece of PVC pipe that fit over shaft.
6. Put tines back on.
7. Voila! Job complete.
2. Drilled small hole near edge of leaking oil seal and screwed in sheet metal screw part way.
3. Pried off oil seal by using partially screwed in sheet metal screw.
4. Cleaned shaft by lightly sanding with fine sandpaper.
5. Slid on new oil seal and tapped it into place using a short piece of PVC pipe that fit over shaft.
6. Put tines back on.
7. Voila! Job complete.
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Grease seals.
Kenny - April 24, 2018
👍 1 of 1 people found this instruction helpful
Tool Type
Cultivator
Difficulty
Medium
Time
30-60 minutes
Tools Used
Power Drill, Pry bar to pull the old seal
Parts Used
Replaced with the new.
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Leaked oil
Brian - March 14, 2023
Tool Type
Cultivator
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set
Parts Used
Removed shaft and old seals and drove new ones in
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
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