Easy
15-30 minutes
This is an authentic OEM part for use with Troy-Bilt, MTD, Ryobi, Yard-Man and Bolens Trimmers, Cultivators and Tillers. The valve cover gasket forms a seal between the valve cover and cylinder head. This part is sold individually. The most common reason for replacing the rocker cover gasket is oil leaking from the cylinder head. The tools that you will need to replace the valve cover gasket is a 5/16 inch socket or nut driver.
Valve Cover Gasket 791-182099
OEM part for: Ryobi, MTD, Troy-Bilt, Yard Man, Bolens, Cub Cadet, Yard Machines
Part Number: 791-182099
$9.45
Usually ships in 7 - 12 business days
Leaves our warehouse within 7 - 12 business days
Compatibility
This part will fit the following 108 machines
Ryobi
510r (21AK510G034) Tiller View Diagrams & Manuals
510r (21BK515G034) Tiller View Diagrams & Manuals
1079r (41AD179A034) Handheld Trimmer View Diagrams & Manuals
650r (41AN650G034) Handheld Trimmer View Diagrams & Manuals
825r (41AD825A034) Handheld Trimmer View Diagrams & Manuals
825r (41AD825A734) Handheld Trimmer View Diagrams & Manuals
825r (41CD825A034) Handheld Trimmer View Diagrams & Manuals
875r (41AD875A034) Handheld Trimmer View Diagrams & Manuals
875r (41AD875A734) Handheld Trimmer View Diagrams & Manuals
875r (41BD875A034) Handheld Trimmer View Diagrams & Manuals
875r (41CD875A034) Handheld Trimmer View Diagrams & Manuals
890 (41CD890A034) Handheld Trimmer View Diagrams & Manuals
890r (41AD890A034) Handheld Trimmer View Diagrams & Manuals
890r (41AD890A734) Handheld Trimmer View Diagrams & Manuals
890r (41BD890A034) Handheld Trimmer View Diagrams & Manuals
890r (41CD890A034) Handheld Trimmer View Diagrams & Manuals
890r (41CD890G034) Handheld Trimmer View Diagrams & Manuals
1090R (810000001) 4-Cycle Gas Trimmer View Diagrams & Manuals
825RA (41CD825C038) 4-Cycle Gas Trimmer View Diagrams & Manuals
MTD
MP425 (41AD425C095) String Trimmer View Diagrams & Manuals
MP425 (41BD425C995) String Trimmer View Diagrams & Manuals
MP426CS (41AD426G995) String Trimmer View Diagrams & Manuals
MP475 (41AD475C095) String Trimmer View Diagrams & Manuals
41AD26OG900 Handheld Trimmer View Diagrams & Manuals
41AD26SC900 Handheld Trimmer View Diagrams & Manuals
1079R Trimmer View Diagrams & Manuals
875R (2004) Gas Trimmer 41AD875A734 View Diagrams & Manuals
650R (41AN650G034) Trimmer View Diagrams & Manuals
825R (41AD825A034) Trimmer View Diagrams & Manuals
825R (41AD825A734 2004) Trimmer View Diagrams & Manuals
825R (41CD825A034) Trimmer View Diagrams & Manuals
875R (41AD875A034) Trimmer View Diagrams & Manuals
875R (41CD875A034) Trimmer View Diagrams & Manuals
875R (41BD875A034) Trimmer View Diagrams & Manuals
890 (41CD890A034 2004) Trimmer View Diagrams & Manuals
890R (41AD890A034) Trimmer View Diagrams & Manuals
890R (41AD890A734 2004) Trimmer View Diagrams & Manuals
890R (41BD890A034) Trimmer View Diagrams & Manuals
890R (41CD890A034) Trimmer View Diagrams & Manuals
890R (41CD890G034) Trimmer View Diagrams & Manuals
21A-144R099 (316.29270)(2003) Tiller View Diagrams & Manuals
21A-144R799 (316.29270)(2004) Tiller View Diagrams & Manuals
21AS144R799 (316.292710)(2005) Tiller View Diagrams & Manuals
21BS144R799 (316.292711)(2007) Tiller View Diagrams & Manuals
Troy-Bilt
21AT144R766 (2004) Tiller/Edger View Diagrams & Manuals
21AT144R766 (2005) Tiller/Edger View Diagrams & Manuals
21AT144R966 (2005) Tiller/Edger View Diagrams & Manuals
21BA144R966 (2007) TB144 Cultivator View Diagrams & Manuals
21BA144R966 (2008) TB144 Cultivator View Diagrams & Manuals
21AA144R966 (2006) TB144 Cultivator View Diagrams & Manuals
BCR4 (41AD179G695) Trimmer View Diagrams & Manuals
TB26CO (41AD26OG966) Gas Trimmer View Diagrams & Manuals
TB26TB (41ADT2BC066) Gas Trimmer View Diagrams & Manuals
TB26TB (41ADT2BC966) Gas Trimmer View Diagrams & Manuals
TB4000 (41ADTB4G063) Gas Trimmer View Diagrams & Manuals
TB415CS (41ADT41C711) Gas Trimmer View Diagrams & Manuals
TB415CS (41BDT41G966) Gas Trimmer View Diagrams & Manuals
TB475SS (41ADT47C711) Gas Trimmer View Diagrams & Manuals
TB475SS (41ADT47C766) Gas Trimmer View Diagrams & Manuals
TB475SS (41ADT47C966) Gas Trimmer View Diagrams & Manuals
TB475SS (41BDT47C063) Gas Trimmer View Diagrams & Manuals
TB490BC (41ADT49C063) Gas Trimmer View Diagrams & Manuals
TB490BC (41ADT49C711) Gas Trimmer View Diagrams & Manuals
TB490BC (41ADT49C966) Gas Trimmer View Diagrams & Manuals
TB490BC (41BDT49C063) Gas Trimmer View Diagrams & Manuals
TB490BC (41BDT49C966) Gas Trimmer View Diagrams & Manuals
TB415CS (Super Bronco)(41ADT41C966) Gas Trimmer View Diagrams & Manuals
TB425CS (41ADT42C063) Gas Trimmer View Diagrams & Manuals
TB425CS (41ADT42C711) Gas Trimmer View Diagrams & Manuals
TB425CS (41ADT42C766) Gas Trimmer View Diagrams & Manuals
TB425CS (41ADT42C966) Gas Trimmer View Diagrams & Manuals
TB465SS (41ADT46C711) Gas Trimmer View Diagrams & Manuals
TB465SS (Pony)(41ADT46C966) Gas Trimmer View Diagrams & Manuals
TB475SS (41ADT47C063) Gas Trimmer View Diagrams & Manuals
21BA144R966 (TB144) (2009) Cultivator View Diagrams & Manuals
TB415CS (41ADT41C966) Super Bronco View Diagrams & Manuals
TB465SS (41ADT46C966) Pony View Diagrams & Manuals
Yard Man
YM141 (21A-141R901) Tiller View Diagrams & Manuals
YM21SS (41AD26SC701) Trimmer View Diagrams & Manuals
YM26CO (41AD26OG701) Trimmer View Diagrams & Manuals
YM26SS (41AD26SC401) Trimmer View Diagrams & Manuals
YM26SS (41AD26SC901) Trimmer View Diagrams & Manuals
YM26BC (41AD26BC401) Trimmer View Diagrams & Manuals
YM26BC (41AD26BC701) Trimmer View Diagrams & Manuals
YM26BC (41AD26BC901) Trimmer View Diagrams & Manuals
YM26CO (41AD26OG401) Trimmer View Diagrams & Manuals
YM26CO (41AD26OG901) Trimmer View Diagrams & Manuals
YM26CS (41AD26CC401) Trimmer View Diagrams & Manuals
YM26CS (41AD26CC701) Trimmer View Diagrams & Manuals
YM26CS (41AD26CC901) Trimmer View Diagrams & Manuals
YM260CO (41AD26OG701) Trimmer View Diagrams & Manuals
Bolens
BL26BC 41AD26BC965 Gas String Trimmer View Diagrams & Manuals
BL26CO 41AD02OG965 Gas String Trimmer View Diagrams & Manuals
BL26CO 41AD26OG965 Gas String Trimmer View Diagrams & Manuals
BL26SS 41AD26SC965 Gas String Trimmer View Diagrams & Manuals
BL26BC (41AD26BC965) Trimmer View Diagrams & Manuals
BL26CO (41AD02OG965) Trimmer View Diagrams & Manuals
BL26CO (41AD26OG965) Trimmer View Diagrams & Manuals
BL26SS (41AD26SC965) Trimmer View Diagrams & Manuals
Cub Cadet
CC4025 (41ADC42C712) (2005) Gas String Trimmer View Diagrams & Manuals
CC4075 (41ADC47C712) Gas String Trimmer View Diagrams & Manuals
CC4090 (41ADC49C712) (2005) Gas String Trimmer View Diagrams & Manuals
CC4025 (41ADC42C712) (2006) Gas String Trimmer View Diagrams & Manuals
CC4065SS (41AD465C910) (2006) Gas String Trimmer View Diagrams & Manuals
CC4065SS (41AD465C910) (2007) Gas String Trimmer View Diagrams & Manuals
CC4065SS (41AD465C910) (2008) Gas String Trimmer View Diagrams & Manuals
Yard Machines
Y26CO (41AD26OG900) Trimmer View Diagrams & Manuals
Y26SS (41AD26SC900) Trimmer View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Cultivator Parts
- Trimmer Parts
- Edger Parts
Questions & Answers ?
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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.
Severe oil leak
Richard - June 19, 2017
Tool Type
Trimmer
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, 20 and 25 Torx bits
Completely disassemble to replace gaskets and crankcase seal. Best to use Torx driven screw driver. Use loctite when reassembling. The torque is 6 - 12 inch lbs. Set the magneto gap to about .010 and check valve lash at .006.
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Trimmer was running rough.
Jay - June 11, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
1. Removed the shroud per manual.
2. Unscrewed the valve cover and the adjusted valves.
3. Replaced the cover with the new gasket.
4. Replaced the spark plug with the new one using a spark plug wrench.
5. Put all shrouding back on and the tested the trimmer.
2. Unscrewed the valve cover and the adjusted valves.
3. Replaced the cover with the new gasket.
4. Replaced the spark plug with the new one using a spark plug wrench.
5. Put all shrouding back on and the tested the trimmer.
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Valve Cover gasket was broken causing oil to leak all over engine. Good time to change the oil.
Glenn - September 22, 2016
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Remove engine cover.
Remove the screw for the rocker arm.
Take out broken gasket.
Install new gasket.
Reassemble rocker arm and engine cover.
Good time to change oil
Remove the screw for the rocker arm.
Take out broken gasket.
Install new gasket.
Reassemble rocker arm and engine cover.
Good time to change oil
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Parts needed
Micah - July 9, 2016
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Wrench Set
Remove the valve cover and gasket. Clean the area where they are located. Install the gasket then the cover. Removed the air filter cover, then the old filter. Took the new filter and put it in a plastic bag with some oil in it. Agitated the filter in the bag. I then took the oiled filter and squeezed the excess oil into some paper towels. Then installed the new filter and the filter cover. Removed the old spark plug and gapped the new one at 0.025 then installed it in the cylinder head.
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Clutch drum bearing shot. Upper power boom drive shaft cable twisted off. Periodic valve lash adjustment.
James - April 14, 2016
Tool Type
Trimmer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Nutdriver
Remove upper drive shaft. Hold fly wheel and remove clutch drum retaining screw. This screw is down where the drive shaft cable goes into the clutch drum. Install new clutch drum. Hold flywheel and tighten clutch drum attaching bolt. Remove engine cover and valve cover, adjust valve lash and install new valve cover gasket. Reinstall engine cover.
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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.
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