Sun Coast 6188248 48RE Valve Body

2003-2007 Dodge 5.9L Cummins 48RE
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The Sun Coast 6188248 48RE Valve Body for your 2003-2007 Dodge 5.9L Cummins is designed to enhance transmission operation, and durability. In your transmission, the valve body controls gear selection, line pressure (clamping force), line rise (meeting torque demand), converter mode, flow and pressure, along with shift timing and quality. The Sun Coast valve body addresses all of these areas to increase performance in your transmission, allowing for crisper shifts, enhanced converter operation, cooler operating temperatures, and increased lube flow. Full time converter feed assures lube flow while in the park position and under high throttle conditions. Torque converter clutch loc-up can be achieved in all forward gears when used in conjunction with a controller. This feature is desirable for optimum exhaust brake operation. 

  • Crisper Shifts
  • Cooler Temperatures
  • Enhanced Transmission Performance
Note: This valve body does not include electronics.
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Customer Reviews - Include your order number for a chance to win a $100 GiftCard

(43 Ratings, 2 Reviews) Average Rating:
josh (clarksville TN) 1/8/2014 8:27 PM
Had a bad shuttle shift problem in my 48re. Decided to do a quick VB upgrade. Easy to install, I did it in my driveway in less than an hour. Instructions could have used some better photos in the cable adjustment portion but all in all pretty straight forward. I would suggest replacing the governor pressure solinoid, pressure sensor, and overdrive lockup solinoid while your there. Shifting was spot on firm but not obnoxious deffinately worth the $$
Barry Marshall (Brandon, MS) 2/28/2013 4:13 PM
Ive used suncoast for years. Installing the VB is a simple procedure and I have yet to have to pull a pan back off to make any adjustments. Shifts are firm but not obnoxious. Line rise is just right and shift points are right on the money. Thanks.