Featured Products

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Browse Transtar's featured transmission-related products.

ACCUMULATOR PISTONS W/SEALS U140/150/240/250 96-UPA SOLUTION FOR WORN BORES THAT RESULT IN BURNT CLUTCHES , SLIPS , FLARES , AND SHIFTING ISSUES . KIT INCLUDES A ACCUMULATOR BUDDY BORE BRUSH TO PREP THE BORE.
PISTON REAR SERVO W/HUMP 4L80E 96-UPNo more piston breakage, Transtar carries a billet aluminum servo replacement for 96-Up small pin design that was prone to breakage.
Honda Cooler/Warmer, bolts on top of transmissionThe coolers mounted on top of some Honda and Acura vehicles cannot be flushed properly so why take the change of contaminating you new rebuild? Transtar now carries the OE cooler warmer to protect your investment.
Chrysler 48RE Sun Gear Shell, 2003-upThis aftermarket product is a cost-effective direct replacment item for the OEM product.
Ford 4F50N Sun Drive, 2001-UpFord 4F50N Final Drive Sun Gear, 29 teeth, 5.25" long, for applications 2001-up. This aftermarket differential sun gear is a cost-effective substitute for the often-replaced OEM product.
Aisin Warner Shift Kit,This Shift Kit for the AW55-50SN reduces and prevents delay/bang drive engagement, 4-3 and 2-3 coast clunk, 2-3 and 3-4 cut loose, and TCC slip. Allows the builder to take apart and clean the linear solenoids.
Aisin Warner 450-43LE Cutback SleeveTranstar now carries the cutback valve sleeve for the AW 450-43LE transmission years 1998 and up. This sleeve only item (Superior Part No. K081) features an upgrade to hardened steel and requires no modification to the transmission.
Aisin Warner 450-43LE Cutback Valve & Sleeve KitTranstar now carries the cutback valve and sleeve kit for the AW 450-43LE transmission years 1998 and up. This Sonnax kit (94987-01K) addresses the issue of the engine stalling when the transmission is put into gear. This kit features upgraded materials and includes the valve, sleeve, end plug, spring, and one coiled spring pin. This kit is a direct replacement for the OEM product.
GM 4L80E Forward Clutch Drum w/ Ring GearTranstar now carries the new Aftermarket GM 4L80E Forward Clutch Drum with Ring Gear for years 1997 and up. This drum is the molded piston type and is a direct replacement for the OEM product (24234155).
Aisin Warner 55-50 Lockup Relay Control Valve & SleeveTranstar now carries the Lockup Relay Control Valve & Sleeve for the Aisin Warner 55-50 transmission. This item from Sonnax Industries, Inc. (59947-01K) is an upgraded aftermarket item that addresses the common occurrences of TCC Apply/Release problems, reduced torque converter pressure, overheated fluid, and bushing and solenoid failure due to wear. This drop-in replacement product features upgraded materials and tight tolerances to help prevent a reoccurrence of the original problems.

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