Oil Seal

Part Number: 921-3018A

Ships within 1 business day

Questions & Answers

Repair Instructions

*This part replaces obsolete part #: 721-3018A (Not Shown), YS-721-3018A, 1185777 and 721-3018.

Product Information

Manufacturer: MTD, Cub Cadet, Troy-Bilt

Product Number: 921-3018A

Classification: Part

Weight: 0.03 lbs.

Shipping: Ships Worldwide

Warning: California's Proposition 65

Compatibility

This part is compatible with the following machines:

Cub Cadet

19A40012 (19A40012100) (2015) 42-Inch Stamped Deck Yellow
19B40012 (19B40012100) (2015) 42-Inch Stamped Deck Black
19A40012 (19A40012100) (2012) 42-Inch Deck Stamped
19A40012 (19A40012100) (2013) 42-Inch Deck Stamped
19A40013 (19A40013100) (2012) 50-Inch Deck Stamped
19A40013 (19A40013100) (2013) 50-Inch Deck Stamped
19A40013 (19A40013100) (2015) 50-Inch Stamped Deck Yellow
19A40025 (19A40025100) (2015) 60-Inch Fabricated Deck Black
19B40013 (19B40013100) (2015) 50-Inch Stamped Deck Black
19A40012 (19A40012100) (2011) 42-Inch Deck Stamped
19A40014 (19A40014100) (2012) 54-Inch Deck Stamped
19A40014 (19A40014100) (2013) 54-Inch Deck Stamped
19A40014 (19A40014100) (2015) 54-Inch Stamped Deck Yellow
19B40014 (19B40014100) (2015) 54-Inch Stamped Deck Black
19A40016 (19A40016100) (2012) 54-Inch Deck Fabricated
19A40016 (19A40016100) (2013) 54-Inch Deck Fabricated
19A40016 (19A40016100) (2015) 54-Inch Fabricated Deck Yellow
19B40016 (19B40016100) (2015) 54-Inch Fabricated Deck Black
19A40014 (19A40014100) (2011) 54-Inch Deck Stamped
19A40015 (19A40015100) (2012) 48-Inch Deck Fabricated
19A40015 (19A40015100) (2013) 48-Inch Deck Fabricated
19A40015 (19A40015100) (2015) 48-Inch Fabricated Deck Yellow
19B40015 (19B40015100) (2015) 48-Inch Fabricated Deck Black
19A40013 (19A40013100) (2011) 50-Inch Deck Stamped
19A40016 (19A40016100) (2011) 54-Inch Deck Fabricated
M50-KHS (53BB5BBP750) Tank 23HP Kohler V-Twin Ohv
301 (190-301-100) 48-In Mower
614 60-In Mower
394 (190-394-100) 50-In Mower
209 (190-209-100) 44-In Mower
291 (190-291-100) 60-In Mower
811 (590-811-100) 60-In Mower Deck
613 (590-613-100) 54-In Mower
295 (190-295-100) 54-In Mower
810 (590-810-100) 54-In Mower Deck
208 (190-208-100) 44-In Mower
19A40015 (19A40015100) (2011) 48-Inch Deck Fabricated
391 (190-391-100) 36-In Mower
318 (190-318-100) 44-In Mower Garden Tractor Attach
357 (190-357-100) 38-In Mower
358 (190-358-100) 44C 44-In Mower
359 (190-359-100) 50C 50-In Mower Garden Tractor Gt
359 (190-359-100) 50C 50-In Mower Super Garden Tractor Sgt
337 (190-337-100) 32-In Mower
392 (190-392-100) 44-In Mower
446 46-In Mower
363 (190-363-100) 38-In Mower
441 38-In Mower
213 (190-213-100) 38-In Mower Mfg. Date H 179 & After
214 (190-214-100) 42-In Mower Mfg. Date H 179 & After
331 (190-331-100) 38-In Mower Manual Pto
345 (190D345-100) 32-In Mower For Gmt
290 (190-290-100) 54-In Mower
300 (190-300-100) 46-In Mower
289 (190-289-100) 48-In Mower
336 (190-336-100) 46-In Mower Garden Tractor Gt
336 (190-336-100) 46-In Mower Super Garden Tractor Sgt
320 (190-320-100) 42-In Mower Garden Tractor Attach
321 (190-321-100) 46-In Mower
328 38-In Mower
324 (190-324-100) 54-In Mower
317 (190-317-100) 48-In Mower
MM60RS (59A40009727) Mower Deck
MM60RSe (59A40007727) Mower Deck
GT1222 (14AB13CH710) Tractor
LT1022 (13AB11CH710, 13AB11CH712) Tractor
LT1024 (13AR11CP712, 13AR11CP710) Tractor
SLT1554 (13AK11CK709, 13AK11CK710, 13AK11CK712) Tractor Command Engine
GT1554 (14AK13CK, 1K015 & Before, 14AK13CK709, 14AK13) Tractor Command Engine
LT1042 (13BX11CG710, 13BX11CG709, 13BX11CG712, 13AX11) (2007 & Before) Tractor
LT1046 (13AP11CH710, 13AP11CH709) (2007 & Before) Tractor
LT1018 (13AL11CG710, 13AB11CG712, 13AB11CG710, 13AX11) Tractor
LT1045 (13AX11CH710, 13AX11CH712, 13AX11CH709, 13AX11) (2007 & Before) Tractor
LT1050 (13AQ11CP709, 13AQ11CP712, 13AQ11CP710, 13AP11) (2007 & Before) Tractor
GT2542 (14A-2D2G010) (2009 & After) Tractor

GT2554 (14A-2A7K010) (2009 & After) Tractor
GT2544 (14A-2E7L010) (2009 & After) Tractor
GT2550 (14A-2E7P010) (2009 & After) Tractor
GT2554 (14A-2A7K710, 14A-2A7K010) (2008) Tractor Mfg Date K015 - K018
GT2042 (14W-3DMS010, 14A-3DMS010) (2014) Tractor
GT2050 (14A-3JMP010) (2014) Tractor
GTX2154LE (14W-3GEC010) (2011) Tractor
GT2148 (14A-3JEB010) (2014) Tractor
GTX2154 (14A-3GEC010, 14A-3GE-010, GTX2100) (2014) Tractor Tractor
1527 (13A-241G100) Tractor 1000
1529 (13A-261H100) Tractor 1000
2518-44 (13B-288L100, 13A-208L100) Tractor
2518-48 (13A-288M100, 13A-208M100) Tractor
5252E (1J015G & Before, 54AE52DC710) Tractor
GT2544 (13A-2D7L710) Tractor Mfg Date K015 & Before
GT2186-44 (13A-298L712, 13A-298L710) Tractor
GT2550 (13A-2C7P710) Tractor Mfg Date K015 & Before
GT2523-54 (13A-2A8K710) Tractor
GT2554 (13A-2A7K710) Tractor Mfg Date K015 & Before
5252E (1J015G & After, 54AE52DC710, 54CE52DC710) Tractor
GT2542 (14A-2D2G710) (2008 & Before) Tractor
GT2544 (14A-2C7L710, 14A-2E7L710) Tractor Mfg Date K015 - K018
GT2550 (14A-2E7P710) Tractor Mfg Date K015 - K018
1525 (13A-221F100) Tractor 1000
LT2042 (13A-286G710) Tractor
LT2138 (13A-214F710) Tractor
GT2186-48 (13A-298M712, 13A-298M710) Tractor
GT2521-48 (13A-278M710) Tractor
LT2180 (13A-254G712, 13A-254G710) Tractor
2164 (13A-264G100) Tractor
2130 (326006 & Up, 13B-212F100, 136-212F100, 13A-21) Tractor
2150 (326006 & Up, 136-242G100, 13B-242G100, 13A-24) Tractor
2146 (13A-224F100) Tractor
2166 (13A-214G100, 13A-254G100) Tractor
2176 (13A-274G100) Tractor
2130 (239001-326005, 135-212F100, 134-212F100) Tractor
2135 (239001-326005, 135-214F100, 134-214F100) Tractor
2140 (239001-326005, 134-232G100, 135-232G100) Tractor
2145 (239001-326005, 134-234G100, 135-234G100) Tractor
2135 (326006 & Up, 136-214F100, 13B-214F100, 13A-21) Tractor
2155 (326006 & Up, 13A-244G100, 13B-244G100, 136-24) Tractor
FMZ50 (17AF4BFP010, 17AF4BFP210, 17AF4BFP009, 17AF4B) Zero-Turn Riding Lawn Mower
LX48 (17AIDAUB010) (2016) Z-Force Kw
LX54 (17AIDAUC010) (2016) Z-Force Kw
SX48 (17AIDGJB010) (2016) Z-Force Kw
SX54 (17AIDGJC010) (2016) Z-Force Kw
17CSDALB056 (2016) Z-Force L 48 Camo
L48 (17DSDALB010) (2016) Z-Force Fab
L48 (17ASDALB056) (2016) Z-Force Kh
L54 (17CSDALC010) (2016) Z-Force
L54 (17ASDALC056) (2016) Z-Force Kh
S54 (17ASDGHC056) (2016) Z-Force Kh Fab
48 (17AF3AGV710, 17AF3AGV010, 17AF3AGV009, 17AF3A) Z-Force Kohler 17AF3AGV
48 (17BF3AGV010) (2011) Z-Force Kohler 17BF3AGV
48 (17BF3AGV010) (2010) Z-Force Kohler 17BF3AGV
54 (17BF3AGX010) (2011 & Before) Z-Force Kohler 17BF3AGX
44 (17AE3AGF010) Z-Force Kohler 17AE3AGF
60 (53AA5BBJ710) Z-Force Kohler 53AA5BBJ
18 (53AA5A5L100) Z-Force B&S
44 (17AF3AGL010) Z-Force Kohler 17AF3AGL
50 (17AF3AGP010) Z-Force Kohler 17AF3AGP
48 (53AA5B6V710) Z-Force Kohler 53AA5B6V
44 (53AA5A6L710, 53AA5A6L712) Z-Force B&S
LX48 (17AIDAUB010) (2017) Z-Force Kw Fab
LX54 (17AIDAUC010) (2017) Z-Force Kw Fab
L54 (17ASDALC056) (2017) Z-Force Kh Fab
L54 (17CSDALC010) (2017) Z-Force Kh Fab
L48 (17DSDALB010) (2017) Z-Force Kh Fab
15 (53AA5D2L100) Z-Force Kawasaki
S54 (17ASDGHC056) (2017) Z-Force Kh Fab
SX48 (17AIDGJB010) (2017) Z-Force Kw Fab
SX54 (17AIDGJC010) (2017) Z-Force Kw Fab
48 (17AF5BHB, 17AF5BHB010, 17AF5BHB056, 17AF5BHB2) (2011) Z-Force S Residential
SZ48 (17ASDGHB, 17ASDGHB010) (2015) Z-Force Residential Kohler
48 (17AI5BHB, 17AI5BHB010, 17AI5BHB009, 17AI5BHB0) (2010) Z-Force S Residential

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Questions & Answers

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Repair Instructions: Submitted by Customers Like You

Tool Type:

Lawn Tractor

Parts Used:

Oil Seal - 921-3018A

Repair Difficulty:

Medium

Time Spent Repairing:

1-2 hours

Tools Used:

Socket set, Wrench Set, Adjustable Wrench

Nothing-works perfectly.

This was a rebuild for the deck spindles. Just 4 seals and 4 bearings. Ready to rock & roll come May!

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