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Hard Parts

47RE Shift Kit

$156.94
In stock • ships from the USA • qualifies for FREE shipping

47RE Shift Kit, new and ready to install. Fits the 47RE. Ships fast from the USA.

Fits these transmissions
Secure Stripe checkout • free shipping over $100 • 30-day returns
Secure Stripe checkout
Ships from the USA
30-day returns

About this product

If your Ram 2500 or 3500 with the 5.9L Cummins or 8.0L V10 slips the converter clutch on a grade, flares into third with a trailer behind it, or takes a second to grab Drive on a cold morning, this is the kit most 47RE builders reach for first. It is the TransGo SK TFOD-Diesel valve body repair kit, sold for the 47RE and 47RH as well as the lighter 46RE, A518 and A618 family. On a 47RE that is towing, the extra clamping force it adds is the whole point.

What the shift kit does in a 47RE

The 47RE is hydraulically shifted from first through third, with the governor pressure solenoid and the throttle valve setting when each shift happens and the valve body setting how hard each band and clutch is applied. Stock line pressure is a compromise built for an empty pickup. With this kit in place TransGo sets maximum line pressure at 125 psi in first, second and third and up to 150 psi in fourth or with the converter clutch locked. That pressure is what holds the direct clutch, the kickdown band and the TCC against Cummins torque. TransGo keeps the shift points at the factory RPM, so the truck still shifts where the engine makes its power; the change you feel is a shorter, cleaner apply instead of a long slide between gears. The kit also adds a line-to-converter feed that helps the transmission run cooler, and a TransGo manual valve meant to cut the delayed engagement that comes from the converter draining back overnight.

Symptoms that point to this kit

How to confirm before you buy

A shift kit adds holding power to a healthy transmission; it does not repair burnt clutches. Pull the pan and look for friction material and band lining, and smell the fluid. Then rule out the cheaper causes of poor shift feel on these trucks: a misadjusted throttle valve cable, governor pressure that does not track road speed, and a restricted cooler that robs converter flow. Our 47RE Ram 2500 Cummins shift problems guide walks through the governor pressure and TV checks, and the harsh or delayed shifts walkthrough covers engagement complaints. If the truck has no fourth gear or lockup at all, start with the won't shift into overdrive guide instead.

Fitment

TransGo lists the SK TFOD-Diesel for every TorqueFlite overdrive from 1988 to 2003, including the 47RH and 47RE behind the Cummins and V10 in Dodge Ram 2500 and 3500 trucks. Two exclusions matter on Ram trucks: it does not fit the 48RE, and it does not fit 2003 Dodge trucks with C as the eighth character of the VIN. The other check is the separator plate. This kit is for valve bodies whose plate has no balance hole; a plate with the balance hole takes the 48RE kit instead. Late 2003 trucks sit right on that line, so check the plate or send us your year and VIN before ordering. Other parts for these trucks are in our 47RE collection.

Install notes


Specifications

Fits47RE
Part typeShift Kit
ConditionNew
BrandTransGo
ShipsFrom the USA
Warranty1-year

Complete the job: parts that go with this

Doing this repair right usually means replacing these at the same time. Same transmission, ships together.


47RE Shift Kit: common questions

Does this kit fit my 2003 Ram 2500 Cummins?

Only if it has the 47RE. TransGo excludes the 48RE and 2003 Dodge trucks with C as the eighth VIN character, and the kit needs a separator plate without the balance hole. Send us your VIN if you are not sure which unit you have.

Which boost valve spring do I use on a Cummins?

The yellow spring is for the 12-valve Cummins. The white spring is for the 24-valve Cummins and for gas engines such as the 8.0L V10.

Will it stop my converter from slipping when I tow?

It raises line pressure to as much as 150 psi in fourth and lockup, which adds holding power to the TCC. A converter with worn or glazed lockup lining, or a restricted cooler circuit, will still need to be fixed.

Do I have to remove the transmission?

No. The valve body comes out with the pan off, so the kit can be installed in the truck. Sealing rings are included in case you are doing a full rebuild.

Will it change my shift points?

No. TransGo keeps the shift timing at the factory RPM; the kit changes how quickly and firmly each clutch and band applies.

What fluid goes back in?

ATF+4. Fill to the mark and recheck at operating temperature in Neutral.


Repair guides for this job

Sources
  1. TransGo — SK TFOD-Diesel Shift Kit product page. Fits 1988-2003 A518, 46RH, 46RE, A618, 47RH and 47RE, gas or diesel; not 48RE or 2003 with 8th VIN C; 125 psi in 1st-3rd, up to 150 psi in 4th/lockup; OE shift timing; line-to-converter feed; drain-back manual valve; in-truck install. transgo.com/product-details/tf-shift-kit-diesel/
  2. TransGo — SK TFOD-Diesel installation instructions. No-balance-hole separator plate check, boost spring color by engine, front band 1-3/4 to 2 turns back-off, lockup drilling option, manual valve position. res.cloudinary.com/transgo/wbiss/sk/SKTFODDiesel.pdf
  3. Sonnax — 46-47RH/RE Cooler and Converter Flow. Cooler restriction and TCC slip at high torque on this family, plus the cooler bypass test. www.sonnax.com/tech_resources/199-46-47rh-re-cooler-and-converter-flow
  4. ATSG — 46RE/47RE/48RE Technical Manual (preview). First through third controlled by the governor pressure solenoid on the valve body, with separate overdrive and converter clutch solenoids. atsg.biz/images/48REDEMO.pdf

47RE Shift Kit

$156.94
In stock • ships from the USA • FREE shipping • 30-day returns

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