Transmission Parts

ATS Thermal Bypass Valve Up-Grade, 2013 and Up 6.7L Cummins with 68RFE or Aisin AS69RC Transmission (Replaces PN 68186711AA, 68186711AB) 68-RFE Trans Cooler Bypass Block, Fits 2013 and Up Cummins with 68-RFE or Aisin AS69RC Transmission. This is a...

SunCoast is known throughout the transmission world for its top-of-the-line torque converters, because the company has taken the time to listen, learn, research, and respond to its customers’ suggestions, with outstanding results. The company will...

P2 Planet fix kit for 6 speed Contains 1 Machined P2 Planet to accept our billet P2 hub, Machine work required on the P1 sun gear, C2 clutch hub sleeve, and washer. This does not include a C2 clutch hub if yours is bad. See Part no. 29536962 for hub...

This is the genuine OEM Allison replacement spin on oil filter. This is our filter of choice here at the shop and the one we prefer our customers to use. This filter will fit all 2001-2017 GM trucks equipped with the Allison transmission. This filter...

The 68RFE pump was the first problematic area that we addressed. Our engineers were able to determine the amount of clamping force needed to make the clutches hold. Unfortunately, the factory configuration is not capable of achieving this. Let's take a...

Replace the water pump in your 2006-2016 GM 6.6L Duramax with the Merchant Automotive 10543 Water Pump Kit With Cover. This kit includes the flywheel lock, gaskets, and o-rings needed for installation.

Allison Driver Side Transmission Dip Stick Tube for 2001-10 Duramax. When running large twin or single turbo kits the factory passenger side transmission dipstick tube will interfere with piping. This tube relocates the dipstick to the driver side for...

Stock spin-on transmission filters come up short. PPE recognized the need for better filtration for the hard-working Allison 1000 and 2000 transmissions, so a superior filter was developed which addresses limitations of the standard "shorty filter". ...

SunCoast Premium Gaskets & Seals Kit includes everything needed in a transmission rebuilding kit for optimal performance. When it comes to transmission kits and components, Seal Aftermarket Products are dedicated to giving only the best quality component...

Protect68 Gasket Plate Kit; Incl. Valve Body Separator Plate/Valve Body Baskets/Pan Gasket/3 Doughnut Seals/Check Ball;Industry leading custom bonded gasket valve body separator plate substantially reduces cross leaks compared to stock and other...

This drum doubles the friction element in the coast drum and fixes the common problem of the retain- ing ring dislodging and damaging the transmission. This drum comes with 4 new frictions, 4 steels, CNC machined pressure plate, and snap ring.

SunCoast Converters, Inc. was established in 1989 as a two-man operation in the back of a transmission shop. Today, SunCoast has grown to over forty employees and over 70,000 sq. ft. of room to conduct operations. SunCoast started with a quest to answer...

The MS-2218P P-Series Main Bearing Set is a high-quality replacement for the spun bearings in your 2001-2016 GM 6.6L Duramax. The Clevite P-Series is the longest-running series of Clevite high-performance bearings with the main bearings being full...

One of the most common problems with the Allison transmission is failure of the Neutral Safety Back Up switch.  Some of the symptoms of failure include but are not limited to: No start condition Gear shift indicator on dash not...

Sun Coast take great pride in providing you and the rest of the diesel industry with innovations that will help propel and support all your goals for your vehicle no matter what the task. Sun Coast made a living on failure analysis of OEM parts. Sun...