Transmissions & Transmission Parts

TransGo Performance Shift Kits

TransGo's Performance shift kits give you the hard-launching, tire-blazing shifts you want, after just a few hours' work with basic hand tools. TransGo even has kits for computer-controlled, 4-speed automatics. Their performance shift kits can be installed with the transmission in the vehicle and they come with complete instructions. Some kits even include a step-by-step video to walk you through the installation process.

4.69 out of 5 stars ( 513 )

$30.47

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$107.79

TransGo Automatic Transmission Valve Body Repair Kits

TransGo valve body repair kits give you the components needed to restore proper shifts and correct other problems with your automatic transmission. They will help correct cold rough shifts, downshift problems, long shifts, hard or soft shifts and lockup problems. Repair your automatic transmission with TransGo valve body repair kits.

4.56 out of 5 stars ( 9 )

$33.43

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$41.29

TransGo Automatic Transmission Solenoid Kits

TransGo Performance offers solenoid repair kits for nearly a dozen automatic transmission applications, including models from Mopar and GM. Transmissions often come with contaminated governor pressure solenoids. This results in complaints of wrong gear starts, as well as governor solenoid and sensor performance codes. The computer uses the governor pressure solenoid to generate governor pressure relative to road speed, emulating what the hydraulic governor did in older 'RH' series transmissions. The computer varies the duty cycle to the PWM governor pressure solenoid to achieve the desired output pressure. Simultaneously, it monitors the feedback from the governor pressure sensor to confirm that the governor pressure is doing what it is commanded to do. When the solenoid sticks or is restricted, the computer notices that the pressure reading from the sensor does not match the desired governor pressure and sets a code which puts the unit in limp-in mode, resulting in 3rd gear start and no shift. These TransGo governor pressure solenoid repair kits contain everything you need to take apart the original equipment solenoids, restore the valve bore, then replace the spool valve, spring and cap with new ones. The repair kits include enough parts to rebuild multiple solenoids. The repair kits are available with or without tools. Order the model recommended for your transmission. * Corrects/Prevents/Reduces: -- Wrong gear start -- No upshift -- Governor pressure solenoid and sensor performance codes -- Limp-in mode

Not Yet Reviewed

$77.14

Sonnax Throttle Valve Plunger Kits

Sonnax throttle valve plunger kits address the poor line rise or no detent downshifts that can be common complaints in vehicles with a stock overdrive transmission. The steel plunger continuously reciprocates within the aluminum sleeve, wearing out the sleeve. This wear (plus the weak OE spring) allows throttle valve feed oil to leak past the plunger and exhaust, resulting in the aforementioned issues that can lead to 3-4 clutch failure. Sonnax throttle valve plunger kits include an improved throttle valve spring designed to properly maintain higher line pressure and improved throttle valve performance. Order the kit recommended for your transmission application. Features and items: * High-quality aluminum sleeve prevents wear * Tight-tolerance sleeve and plunger restore hydraulic integrity * Eliminates the part throttle sleeve orifice * Spring * Sleeve * Plunger

5.0 out of 5 stars ( 2 )

$48.64

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WIX Filters Transmission Filters

WIX transmission filters protect automatic transmissions against contaminants in the transmission fluid. Proper filtration helps improve transmission life by minimizing wear and preventing sticking and scoring of sensitive shift control valves. In the event of a part failure, WIX transmission filters also guard against secondary damage to other parts, possibly minimizing additional repair costs. Order the replacement model designed for fitment with your vehicle application.

4.46 out of 5 stars ( 122 )

$10.99

TransGo Valve Body Separator Plates

These TransGo valve body separator plates feature increased hole sizes that correspond with positioned openings for first and third plates for optimum shifting performance. They also have additional openings to reroute transmission oil in the various interrelated passages in the casing in order to decrease the shift time and produce quick, reliable shifts every time. Make your transmission work more efficiently with one of these TransGo valve body separator plates.

4.82 out of 5 stars ( 91 )

$25.71