Transmission

Transmission Parts

Featured Brands

  • LuK® - RepSet™ Clutch Kit
    LuK®RepSet™ Clutch Kit
    7
    # sp1689
    RepSet™ Clutch Kit by LuK®. Designed and engineered to perfectly match the vehicle's unique performance characteristics, every LuK RepSet™ is tested and guaranteed to meet critical performance specifications, including torque...
    Engineered and manufactured to OE specificationsPerfectly balanced
    $76.17 - $2,732.77
  • EXEDY® - Stage 1 Organic Racing Clutch Kit
    EXEDY®Stage 1 Organic Racing Clutch Kit
    2
    # sp1139
    Stage 1 Organic Racing Clutch Kit by EXEDY®. Up the ante with an EXEDY Stage 1 Organic Disc racing clutch kit. If you've bumped up your horsepower a little, and want a more robust clutch with more clamping load and only slightly higher...
    Ultra-Fiber organic disc with EXEDY exclusive friction compositionHigh Heat resins bond friction fibers
    $174.79 - $2,256.96
  • RhinoPac® - Premium Clutch Kit
    RhinoPac®Premium Clutch Kit
    10
    # sp4808
    Premium Clutch Kit by RhinoPac®. Upgrade your vehicle to a RhinoPac Clutch Kit to get smooth clutch operation and precise shifting you expect from your car. Each part is precision engineered to ensure the extended service and...
    Helps restore factory-like performanceDurable construction for long-term use
    $62.42 - $1,103.33
  • Hayden® - High Performance Transmission Oil Cooler
    Hayden®High Performance Transmission Oil Cooler
    4
    # sp128051
    High Performance Transmission Oil Cooler by Hayden®. Featuring a lightweight aluminum construction, this high performance transmission oil cooler is designed to provide outstanding cooling, as well as complement other high performance...
    All aluminum lightweight constructionElectrostatically powder coated to prevent corrosion
    $42.90 - $53.26
  • ACT® - Heavy Duty Street Single Disc Clutch Kit
    ACT®Heavy Duty Street Single Disc Clutch Kit
    2
    # sp85769
    Heavy Duty Street Single Disc Clutch Kit by ACT®. This kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce...
    Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattleLonger friction life, extended by ACT's exclusive diaphragm design
    $409.64 - $1,509.00
  • Fidanza® - Short Throw Shifter
    Fidanza®Short Throw Shifter
    4
    # sp27352
    Short Throw Shifter by Fidanza®. Designed utilizing the latest technology, this product by Fidanza features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
    Reduces your throw by up to 40% which results in faster shiftingIt will give you an even sportier shifter action
    $39.99 - $349.99
  • LuK® - Clutch Flywheel
    LuK®Clutch Flywheel
    2
    # sp9075
    Clutch Flywheel by LuK®. LuK conventional flywheels are dynamically balanced to reduce vibration and improve clutch performance. All new - never remanufactured - every flywheel component is engineered and built to original-equipment...
    Engineered and manufactured to OE specificationsAll new components - including ring gear and dowel pins
    $43.51 - $293.83
  • Clutch Masters® - FX100 Series Clutch Kit
    Clutch Masters®FX100 Series Clutch Kit
    3
    # sp19384
    FX100 Series Clutch Kit by Clutch Masters®. Street 0.70% Increased holding capacity. The FX100 system uses a heavy-duty pressure plate with a custom heavy-duty steel sack organic friction disc. This clutch is engineered for heavy-duty...
    Holding capacity 70% over stockHigh performance street system
    $292.01 - $2,055.38
  • EXEDY® - OE Replacement Clutch Kit
    EXEDY®OE Replacement Clutch Kit
    24
    # sp1138
    OE Replacement Clutch Kit by EXEDY®. Replace your failing OEM clutch with a new, OEM-quality EXEDY clutch assembly. EXEDY is a Tier 1 Supplier to Ford and GM, as well as 11 Japanese car manufacturers.
    Manufactured on same production line as original equipment clutch componentsMeets or exceeds OEM standards
    $41.75 - $1,675.84
  • South Bend Clutch® - Stage 2 Daily Clutch Kit
    South Bend Clutch®Stage 2 Daily Clutch Kit
    2
    # sp19809
    Stage 2 Daily Clutch Kit by South Bend Clutch®. This Heavy Duty Pressure Plate has an increased clamp load with little or no increase in pedal pressure. The Organic disc material has a high metal content that increases the co-efficient...
    Engineered to enhance your vehicle's performanceMade to stringent quality standards
    $222.31 - $2,007.90
  • Sachs® - Transmission Clutch Kit
    Sachs®Transmission Clutch Kit
    3
    # sp170470
    Transmission Clutch Kit by Sachs®. Each Sachs clutch kit and component is OE matched and provides consistent quality. Sachs has a full range of clutch products. The total program includes: kits, covers, discs, bearings, flywheels,...
    Manufactured on same production line as original equipment clutch componentsMeets or exceeds OEM standards
    $70.50 - $1,662.78
  • ACDelco® - Genuine GM Parts™ Automatic Transmission Torque Converter
    ACDelco®Genuine GM Parts™ Automatic Transmission Torque Converter
    0
    # sp249924
    Genuine GM Parts™ Automatic Transmission Torque Converter by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
    $85.72 - $1,377.41
  • Dorman® - Clutch Slave Cylinder
    Dorman®Clutch Slave Cylinder
    5
    # sp4380
    Clutch Slave Cylinder by Dorman®. Dorman's Clutch Slave Cylinder effectively returns hydraulic pressure to the clutch system, restoring the ability to shift properly again. Engineered from reinforced nylon, cast iron or aluminum, all of...
    Direct replacement for a proper fit every timeConcentric Slave Cylinder is pre-filled and pre-bled for immediate service upon installation, saving time, money and labor
    $10.11 - $274.90
  • South Bend Clutch® - Stage 1 Clutch kit
    South Bend Clutch®Stage 1 Clutch kit
    1
    # sp19808
    Stage 1 Clutch Kit by South Bend Clutch®. The Pressure Plate has an increase clamp load for extended life. The disc is dual dampened for smooth engagement and increased transmission life. Premium friction material ensures rapid heat...
    Engineered to enhance your vehicle's performanceMade to stringent quality standards
    $196.91 - $1,746.75
  • Mishimoto® - Transmission Oil Cooler
    Mishimoto®Transmission Oil Cooler
    2
    # sp132965
    Transmission Oil Cooler by Mishimoto®. Designed utilizing the latest technology, this product by Mishimoto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $136.95 - $579.95
  • Perfection® - Clutch Kit
    Perfection®Clutch Kit
    5
    # sp147305
    Clutch Kit by Perfection®. Designed utilizing the latest technology, this product by Perfection features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
    OE Self Adjusting Clutch Kits alternatives (conventional designs engineered for installation ease and a more economical, complete clutch job)Performance Clutch Kits and high clamp load designs for those applications where the OE Clutch Kit requires operating enhancements
    $62.08 - $1,053.29
  • LuK® - Clutch Slave Cylinder
    LuK®Clutch Slave Cylinder
    1
    # sp132499
    Clutch Slave Cylinder by LuK®. LuK offers a complete line of high-quality slave and master cylinders for import and domestic vehicle applications. Worn hydraulic components can cause clutch release problems. Plastic hydraulic components...
    Engineered and manufactured to OE specificationsAll new components - including ring gear and dowel pins
    $11.10 - $368.71
  • Clutch Masters® - Lightweight Aluminum Flywheel
    Clutch Masters®Lightweight Aluminum Flywheel
    2
    # sp19391
    Lightweight Aluminum Flywheel by Clutch Masters®. Material: Aluminum. Clutch Masters Flywheels are designed and tested to ensure the safety and quality of every flywheel. Years of R&D has given us the knowledge and firsthand...
    Light-weight for improved performance and Quicker Rev’sAluminum Flywheels Consist of a replaceable heat shield (friction surface), eliminating need to resurface flywheel
    $283.50 - $1,255.50
  • Perfection® - Clutch Flywheel
    Perfection®Clutch Flywheel
    0
    # sp147486
    Clutch Flywheel by Perfection®. Designed utilizing the latest technology, this product by Perfection features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
    OE Self Adjusting Clutch Kits alternatives (conventional designs engineered for installation ease and a more economical, complete clutch job)Performance Clutch Kits and high clamp load designs for those applications where the OE Clutch Kit requires operating enhancements
    $49.80 - $881.61
  • RhinoPac® - Clutch Master and Slave Cylinder Assembly
    RhinoPac®Clutch Master and Slave Cylinder Assembly
    4
    # sp4794
    Clutch Master and Slave Cylinder Assembly by RhinoPac®. Designed to meet or exceed OEM specifications, this kit will give you the optimum performance and flawless functionality you expect from RhinoPac. Pre-filled with hydraulic fluid...
    Pre-filled with hydraulic fluid and pre-bledRestores proper clutch operation
    $75.98 - $258.23
  • Valeo® - Clutch Kit
    Valeo®Clutch Kit
    0
    # sp9040
    Clutch Kit by Valeo®. Replace your worn out transmission part with this reliable component by Valeo to get optimum performance for your vehicle that won't cost you a fortune. This top-notch product is precision designed to meet or...
    Valeo's Clutch Kit comes with all the necessary components to do a complete clutch installationLong life, smooth engagement, original equipment form, fit and function
    $79.25 - $3,401.24
  • Replace® - Transmission Oil Cooler Assembly
    Replace®Transmission Oil Cooler Assembly
    4
    # sp141651
    Transmission Oil Cooler Assembly by Replace®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $26.69 - $363.53
  • EXEDY® - Clutch Slave Cylinder
    EXEDY®Clutch Slave Cylinder
    2
    # sp7874
    Clutch Slave Cylinder by EXEDY®. Exedy GlobalParts (formerly Daikin Clutch USA) Clutch Slave Cylinders are top of the line, brand new OEM Clutch Slave Cylinders, built specifically for your vehicle. Designed utilizing the latest...
    Precision honing of hydraulic cylinders are monitored under OE quality control standards.Anodyzing plating of cylinder bodies strengthens surface, ensuring smooth operation of the piston, and resists corrosion.
    $7.53 - $74.73
  • LuK® - Dual Mass Flywheel
    LuK®Dual Mass Flywheel
    3
    # sp2024
    Dual Mass Flywheel by LuK®. LuK dual mass flywheels absorb engine vibrations before they are transmitted to the driveline where they can create gear rattle. These units feature a built-in damper designed to isolate engine torque spikes...
    Engineered and manufactured to OE specificationsAll new components - including ring gear and dowel pins
    $156.43 - $1,384.52
  • RhinoPac® - Replacement Solid Flywheel
    RhinoPac®Replacement Solid Flywheel
    1
    # sp4828
    Replacement Solid Flywheel by RhinoPac®. This flywheel will help you restore your vehicle's original drivability as it is made to exact OEM specifications but with enhanced durability over the stock unit. Each part is dynamically...
    Replaces worn, grooved, cracked, and warped flywheelsEnsures the correct clutch disc contact surface
    $36.95 - $390.83
  • SKP® - Automatic Transmission Oil Cooler
    SKP®Automatic Transmission Oil Cooler
    0
    # sp189696
    Automatic Transmission Oil Cooler by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise engineering ensures second to none quality and lasting valueStringently tested with the highest quality standards
    $22.40 - $242.21
  • Dacco® - Automatic Transmission Torque Converter
    Dacco®Automatic Transmission Torque Converter
    1
    # sp94745
    Automatic Transmission Torque Converter by Dacco®. Dacco offers the most extensive line of torque converters in the industry. Dacco has the right torque converter products for your needs, covered by unbeatable no hassle warranties,...
    Perfect to improve your vehicle’s performanceMade from high-strength materials for exceptional durability
    $107.37 - $528.94
  • Sachs® - Clutch Flywheel
    Sachs®Clutch Flywheel
    1
    # sp170221
    Clutch Flywheel by Sachs®. All flywheels are manufactured to meet or exceed OEM standards. Sachs offers a full range of application coverage for the most popular domestics and import vehicles.
    Manufactured on same production line as original equipment clutch componentsMeets or exceeds OEM standards
    $42.79 - $1,269.28
  • EXEDY® - Clutch Master Cylinder
    EXEDY®Clutch Master Cylinder
    2
    # sp7873
    Clutch Master Cylinder by EXEDY®. Exedy GlobalParts (Formally Daikin Clutch USA) Clutch Master Cylinders are top of the line, brand new OEM Clutch Master Cylinders, build specifically for your vehicle.
    Precision honing of hydraulic cylinders are monitored under OE quality control standardsAnodyzing plating of cylinder bodies strengthens surface, ensuring smooth operation of the piston, and resists corrosion
    $15.45 - $60.57
  • Platinum Driveline® - Clutch Kit
    Platinum Driveline®Clutch Kit
    0
    # sp229152
    Clutch Kit by Platinum Driveline®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $80.18 - $1,804.84




Many drivers focus on the engine's horsepower and torque when judging a car's performance. However, these figures only matter if the power is transferred to the ground properly. Any engine has a "powerband," which is the range of RPM at which it runs with maximum efficiency and produces optimal power. Gear ratios ensure that the engine stays within its powerband across a range of speeds, allowing your vehicle to accelerate from a standstill, travel at highway speeds, and more. Through gear changes, the transmission system delivers the appropriate amount of power to the wheels in all driving situations.

At some point, your gearbox will require maintenance. For automatic transmissions, this involves either a fluid change or a complete system flush, as well as transmission filter replacement. Manual gearboxes also need fresh fluid at recommended intervals, and your clutch is subject to periodical replacement as it experiences a lot of wear, especially if your shifts aren't silky smooth. Whether you drive a stick-shift car or an automatic, we have a large selection of quality transmission parts to keep this critical system in top condition or to make repairs if something goes wrong. We have the correct components for a variety of applications, from older Turbo Hydra-Matic 700R4 transmissions to GM's successful 4L80E transmissions to late-model systems.

From Overhaul Kits to Rebuilt Transmissions

If your tranny needs a makeover and you have the mechanical knowledge and skills to do the job yourself, here in our store you'll find the right transmission rebuild kit to restore its performance back to a high standard. Depending on your goal, you'll get all of the components needed for a quality repair or upgrade. We have overhaul kits that come with all gaskets, O-rings, and seals to replace worn-out “soft parts.” The most comprehensive AT kits are called master kits and they contain clutch plates, bands, bearings and bushings, a filter, and seals and gaskets. And of course, we carry a wide range of individual parts like valve bodies, shift solenoids, modulators, and more.

Alternatively, if you prefer a fast and simple repair solution to labor-intensive work, going with a replacement transmission assembly may be the ideal choice for you. No need to take chances with used transmissions, without any knowledge of previous use and repair history. A reliable and money-saving alternative is a remanufactured gearbox. The replacement transmissions that we offer here in our store are not just rebult, but remanufactured to high standards: all worn and defective components are replaced with new, and factory flaws and weak points are addressed to prevent known failures. These assemblies undergo strict testing to ensure reliable performance and lasting durability.

Issues with worn gearboxes such as slip, rough shifting, and small leaks can be temporarily alleviated with specially-formulated transmission additives. One popular product is the Lucas Transmission Fix, a thick solvent-free fluid that can be mixed with your existing transmission fluid. The viscous additive helps increase line pressure in a worn system, creates a polymeric coating on components, and softens seals. This formula can be used to reduce slippage, improve shift quality, and stop seal leaks.

Torque Converter Is the Heart of Your Automatic Transmission

In most vehicles equipped with automatic transmissions, a torque converter serves a similar function to a clutch in manual cars – it lets the engine keep running even when the wheels aren't moving. This complex component is a fluid coupling between the engine and gearbox. The torque converter is filled with transmission oil. Inside its housing, the input turbine fan, which is energized by engine power, forces the fluid to move around and set the output turbine fan in motion, transmitting power to the gearbox.

Some converters, known as lock-up torque converters, use a clutch “that physically links the impeller and turbine, effectively changing the converter into a purely mechanical coupling.” This design helps eliminate slippage, which improves fuel efficiency and prevents heat damage. A torque converter is a durable part, but it may fail due to lax maintenance, low fluid level, or overloading as a result of heavy use like towing. Common signs of failure include slippage, overheating, abnormal changes in stall speed, fluid leaks, and noise. A faulty torque converter clutch may cause shuddering.

Performance Transmission Parts: Gear Up for Upgrades

Your stock transmission is engineered to handle the output of a stock engine. Add considerably more power to that mill under the hood and it will cause major damage to the OE gearbox. In some cases, even an incremental bump in power may dictate the need for gearbox upgrades. We have suitable parts for nearly every high-performance application. Whether you are building a track car, upgrading your truck or SUV for serious off-roading, or prepping your tow vehicle for the demands of pulling heavy loads, we have the performance parts you need. Check out the options we have, including but certainly not limited to:

  • Transmission coolers. High-performance use and trailering can heat the oil to extreme temperatures and cause a breakdown. An auxiliary cooler can save the life of your tranny;
  • Short-throw gear shifters for manuals, AT shifter kits that provide the flexibility of shifting an automatic transmission manually, and ratchet shifters for racing use;
  • Shift kits for firmer shifts, more efficient gear switching, and longer-lasting components;
  • Performance clutch kits. These are comprised of beefed-up clutch discs, pressure plates, and bearings, and many also come with a flywheel. These kits are designed for different HP increase levels and applications and offer improved clutch engagement, higher torque capacity, and better heat dissipation.

Transmission Reviews

605 reviews  /  Read all Transmission Reviews
Perfect fit and put it on myself
Posted by Gerald (Bald Knob, AR) / August 27, 20221998 Pontiac Sunfire
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