This is a Cub Cadet compression spring 732-3127. It fits 

Cub Cadet 19A40012 (19A40012100) - Cub Cadet 42" Stamped Deck (2012) - Mower Deck 42-Inch Stamped
Cub Cadet 19A40016 (19A40016100) - Cub Cadet 54" Fabricated Deck (2012) - Mower Deck 54-Inch Fabricated
Cub Cadet 2130 (13B-212F100, 136-212F100, 13A-212F100) - Cub Cadet Lawn Tractor (SN: 326,006 & Up) - 38-inch Deck Assembly S/N 359000 & Below
Cub Cadet 2135 (135-214F100, 134-214F100) - Cub Cadet Lawn Tractor (SN: 326,006 & Up) - 38-inch Deck Assembly Serial No. 359001 And Above
Cub Cadet GT2050 (14A-3JMP010) - Cub Cadet Garden Tractor (2014) - Mower Deck 50-Inch Stamped
Cub Cadet GT2148 (14A-3JEB010) - Cub Cadet Garden Tractor (2014) - Mower Deck 48-Inch Fabricated
Cub Cadet GT2186-48 (13A-298M712, 13A-298M710) - Cub Cadet Garden Tractor - Deck Assembly 48 Inch
Cub Cadet GT2521-48 (13A-278M710) - Cub Cadet Garden Tractor - Deck Assembly 48 Inch
Cub Cadet GT2542 (14A-2D2G710) - Cub Cadet Garden Tractor (2008 & Before) - Deck Assembly 42 inch
Cub Cadet GT2542 (14A-2D2G010) - Cub Cadet Garden Tractor (2009 & After) - Mower Deck 42 Inch
Cub Cadet GT2554 (14A-2A7K010) - Cub Cadet Garden Tractor (2009 & After) - Mower Deck 54 Inch
Cub Cadet LS25CC (24BF552B710, 24BF552B756) - Cub Cadet Log Splitter (2012) - LS25CC General Assembly
Cub Cadet LS27 (24BF572B710, 24BF572B756) - Cub Cadet Log Splitter (2008) - General Assembly LS27
Cub Cadet LS27 (24BF572B710, 24BF572B756) - Cub Cadet Log Splitter (2009) - General Assembly LS27
Cub Cadet LS27 (24BF572B756) - Cub Cadet Log Splitter (2010) - General Assembly LS27
Cub Cadet LS27CC (24BG5HM4010) - Cub Cadet Log Splitter (2011) - LS27 General Assembly
Cub Cadet LS27CC (24BG5HM5710) - Cub Cadet Log Splitter (2011) - LS27 General Assembly
Cub Cadet LT2138 (13A-214F710) - Cub Cadet Lawn Tractor - Deck Assembly 38-inch
Cub Cadet RZT-L42 (17ARCACS010, 17ARCACS009) - Cub Cadet RZT-L 42" Zero-Turn Mower (2014) - Mower Deck 42-Inch
Cub Cadet RZT-L46 (17AICACT010) - Cub Cadet RZT-L 46" Zero-Turn Mower (2014) - Mower Deck 46-Inch
Cub Cadet RZT-L54KH (17ARCACA010, 17ARCACA009, 17ARCACA210) - Cub Cadet RZT-L 54" Zero-Turn Mower, Kohler (2014) - Mower Deck 54-Inch
Cub Cadet RZT-L54KW (17AICACA010) - Cub Cadet RZT-L 54" Zero-Turn Mower, Kawasaki (2014) - Mower Deck 54-Inch
Cub Cadet RZT-S50KW (17AICBDP010) - Cub Cadet RZT-S 50" Zero-Turn Mower, Steering Wheel, Kawasaki (2014) - Mower Deck 50-Inch
Cub Cadet RZT-S54KW (17AICBDA010, 17AICBDA210) - Cub Cadet RZT-S 54" Zero-Turn Mower, Steering Wheel, Kawasaki (2014) - Mower Deck 54-Inch
Cub Cadet RZT-L 42 (17BRCACS009) - Cub Cadet Zero-Turn Mower (2016) - Deck
Cub Cadet 19B40013 - Cub Cadet 50" Stamped Deck (Black) (2015) - Mower Deck 50-Inch Stamped Deck
Cub Cadet LS25CC (24BF552B756) - Cub Cadet Log Splitter (2015) - LS25 CC General Assembly (Honda Engine)
Cub Cadet RZT-L42KH (17BRCACS010) - Cub Cadet Zero-Turn Mower (2016) - Deck
Cub Cadet RZT-L46KH (17ARCACN210, 17ARCACN209) - Cub Cadet Zero-Turn Mower, Carb (2015) - Mower Deck 46-Inch
Cub Cadet RZT-L54KH (17BRCACA010, 17BRCACA009) - Cub Cadet Zero-Turn Mower (2015) - Mower Deck 54-Inch