A6GF1 master rebuild kit with seal kit, 24 frictions and 17 steels for 2011-2014 Hyundai Elantra, Accent and Kia Optima, Soul and Sportage.
If your 2011-2014 Hyundai Elantra or Accent, or a Kia Optima, Soul or Sportage from the same years, now slips in a gear, flares on the upshift once it is hot, or bangs into Drive, and the fluid on the dipstick rag smells burnt, the clutch packs inside the A6GF1 six-speed are usually the reason. This master rebuild kit gives you the soft parts to renew all of them in one teardown: the overhaul gasket and seal kit, 24 friction plates and 17 steel plates, plus the transmission seals.
The A6GF1 is the smallest of Hyundai's three six-speed front-drive families. The G in the name marks the small case, M is the medium A6MF and L is the large A6LF, and parts do not cross between sizes even when the units look alike. Inside, several friction elements share the work: the 2-6 brake sitting in the back of the pump cover, the 3-5/R rotating clutch directly behind the pump with its single-sided frictions, the underdrive (UD) brake with segmented frictions, and more packs toward the rear of the case. Each pack is applied only in certain gears, so wear in one shows up as a slip or flare on the specific shifts that pack carries. Renewing all 24 frictions and 17 steels together means each pack starts with the same fresh material, which is what lets the TCM's adaptive learning settle on even shift timing again.
Before you order, check the fluid level the way this unit wants it. The A6GF1 has no bottom pan; the valve body sits behind a side cover with a level plug. With the engine running and the fluid hot, a little fluid should trickle from the level hole. A low level alone can produce a hot flare. Then look at the fluid itself using our ATF color and smell chart: brown and burnt with fiber means the frictions are finished, while clean fluid with a harsh shift often points to the valve body instead. If you are unsure whether the car is flaring or truly slipping, our guide on shift flare versus slip walks through how to tell. A good line pressure reading combined with a slip under load is the classic sign that the packs, not the hydraulics, are worn.
The listing covers the A6GF1 in the 2012-2014 Hyundai Accent 1.6L, the 2011-2014 Elantra 1.8L and 2.0L, the 2011-2014 Kia Optima 2.0L and 2.4L, the 2012-2014 Soul 1.6L and 2.0L, and the 2011-2014 Sportage 2.0L and 2.4L. Hyundai and Kia fitted A6MF and A6LF units to some trims of the same nameplates, and the case sizes overlap enough to fool you. Read the code on the transmission tag before ordering; if the tag is missing or unreadable, send us the year and VIN and we will check it for you. Other Hyundai and Kia rebuild parts are in our rebuild kits category.
| Transmission | Hyundai/Kia A6GF1 6-speed FWD |
| Includes | Overhaul gasket and seal kit, 24 friction plates, 17 steel plates, seals |
| Listed fitment | 2011-2014 Hyundai Accent, Elantra; Kia Optima, Soul, Sportage |
It is listed for the 2011-2014 Sportage with the 2.0L or 2.4L engine when the transmission is the A6GF1. Some Sportage trims used a different six-speed, so read the code on the transmission tag or send us the year and VIN before ordering.
This kit includes 17 steel plates for that reason. Heat-spotted or glazed steels will burn new frictions quickly, so a full A6GF1 overhaul replaces both along with the seals and gaskets.
Hyundai/Kia SP-IV. Fill through the top fill plug, then check the level with the engine running and the fluid hot by removing the side level plug until a small trickle runs out.
Transmission Digest documented a 2017 Elantra that kept setting P0732 after a rebuild and a transmission adaptive reset; the fix was the engine-side auto-detected configuration reset on the scan tool. Do both resets before suspecting the new parts.
No. This is the soft-parts kit: gaskets, seals, frictions and steels. If the valve body bores are worn, replace the valve body separately while the transmission is out.
