2004-08 Acura TSX 6 Speed Transmission, ASU5, Carbon Synchros, aluminum case, stage 1



Remanufactured 2004-2008 K24A2 6 speed STAGE 1 Acura TSX transmission. We use an upgraded aluminum case, as the US market magnesium case will change shape over time causing extensive damage to the internals. This transmission has been completely torn down, with all components inspected for wear and for excessive clearances. Reassembled to OEM specs with all new bearings, seals and new Synchrotech carbon pro coated synchros. Upgraded Synchortech Carbon synchros is 2nd, 3rd and 4th gear!. Transmissions are shipped dry, please add fluid upon installation. Please allow 8-22 business days for assembly.

Terms of purchase

Please read the entire listing. Buyer agrees to purchase item pictured. Product will be shipped with insurance included and signature required upon delivery. 


ManualGearbox will provide a 1 year warranty from the date of sale. A new clutch, new pilot bearing, new Honda MTF or equivalent transmission fluid and professional installation is required for warranty to be valid. This warranty covers the transmission from assembly defects or product defects. Damage due to abuse, lack of fluid or improper fluid voids the warranty. Racing in any form or opening the transmission up will also void the warranty.




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