6R80 Shift Kit 2015-2018, remanufactured and ready to install. Fits the 6R80. Ships fast from the USA.
Read this first: the listing name says shift kit, but the item pictured is a complete remanufactured 6R80 valve body for the late 2015-2018 design, fitted with its solenoids. It is not a bag of springs and valves to install in your own casting. It suits the owner of a 2015-up F-150, Expedition, Navigator or Mustang whose six-speed now bangs into 2nd, flares on the 2-3, hunts for a gear when hot, or keeps setting solenoid and ratio codes after the fluid has been changed. Those are the complaints people search for when they think they need a shift kit, and on a high-mileage late 6R80 a worn valve body is often the real cause.
The PCM decides when to shift, but the valve body does the actual work. Variable bleed solenoids send signal pressure to a regulator valve for each clutch, and those regulator valves set how hard and how fast each pack applies while the outgoing clutch lets go. Every 6R80 shift is a handoff between two clutches, so a few psi of leakage in one regulator bore is enough to cause a flare or a bind-up. Sonnax notes that the solenoids also lose their calibration, or banding, over time, which throws off the PCM's shift timing. A remanufactured assembly replaces both the worn bores and the tired solenoids in one job.
The 2015-up body is its own design. Sonnax documents FL3P casting numbers on the upper and lower castings, an FL3P separator plate with an angled cutout, and a fourth size of pressure regulator valve and sleeve. That is why a 2014-and-earlier body is not a drop-in swap here.
Rule out the cheap fixes first. Check the Mercon LV level at the fill plug with the fluid at temperature, scan for codes and look for open recalls on your VIN. Ford recall 26S28 covers about 1.39 million 2015-2017 F-150s built between March 2014 and August 2017 for lead frame degradation that can send a false range signal, and TSB 20-2060 fixes a 2015-2017 F-150 that drops to neutral on a manual shift to Reverse with a PCM reprogram and relearn. If your complaint is one of those, a valve body is not the answer. Our 6R80 F-150 shift problems guide separates the electrical faults from hydraulic ones, and the 6R80 harsh shift causes guide covers adapts and solenoid banding.
This unit is listed for 2015-2018 6R80 transmissions. In that span the 6R80 was used in the F-150 through 2017, the Expedition and Navigator, the Mustang and the international Ranger. One variation matters: Sonnax shows that valve bodies for trucks with auto start-stop use an upper casting with an extra hole beside the low/reverse latch valve, tied to the auxiliary pump passages in the case. Compare the FL3P castings and that hole on your old body, or send us your year and VIN before ordering so we can confirm the right version. Earlier or later designs are in our 6R80 parts collection.
Expect 5 to 8 quarts to come out when the main control is removed. Fit a new filter, pan gasket and case connector seal; the 6R80 filter and pan gasket kit covers the first two, and the lead frame kit with connector seal is worth having on hand if your lead frame is part of the recall population. Torque the valve body bolts in sequence. Before the first drive, program the solenoid strategy or body ID code from the new assembly into the PCM with a capable scan tool, then refill with Mercon LV and run the adaptive relearn. If the clutches were slipping for a long time before the swap, plan for a 6R80 master rebuild kit rather than asking a new valve body to hold burnt packs.
| Fits | 6R80 2015-2018 |
| Part type | Shift Kit |
| Condition | Remanufactured |
| Brand | OEM |
| Reference | F150 |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
It is a complete remanufactured 6R80 valve body with solenoids for the 2015-2018 design, as pictured. The listing name says shift kit, but there is no separate spring and valve kit to install in your own casting.
No. Ford changed the 2015-up castings, separator plate and pressure regulator valve and sleeve, so earlier trucks need an earlier body. Send us your year and VIN and we will point you to the right one.
Trucks with auto start-stop use an upper casting with an extra hole beside the low/reverse latch valve. Look at your old body or send your VIN before ordering and we will confirm.
Yes. The solenoid strategy or body ID code from the new valve body has to be programmed into the PCM, and then the adaptive relearn should be driven. Skipping it usually leaves harsh or flared shifts.
Mercon LV. Check the level at the fill plug with the transmission at operating temperature after the swap.
A new filter, pan gasket and case connector seal at minimum. If the clutches slipped for a long time, a master rebuild kit is the safer plan.
