10L90 Clutch Module 2017, new and ready to install. Fits the 10L90. Ships fast from the USA.
The 10L90 is the heavy-duty version of GM's ten-speed automatic, used where torque and heat are highest, including the Camaro ZL1 and high-output Cadillac and full-size applications. When one of these starts slipping on a hard pull, flaring on the 1-2 or 2-3, or shows burnt lining in the pan, it needs fresh frictions. This listing ships BorgWarner's 35955KIT friction module, coverage beginning in 2017, with a high energy lining that BorgWarner describes as suited to heavy vehicle weight, high shift frequency and elevated operating temperatures.
Like the 10L80, the 10L90 uses four planetary gearsets and six clutches, lettered A through F, to produce ten forward gears. Four clutches are applied in every gear, and the TCM changes gears by timing one pack off while another comes on, with an overlap measured in fractions of a second. In a 10L90 that overlap happens under a lot of torque, so friction lining that has lost thickness or glazed from heat lets the engine flare before the oncoming pack takes hold. Repeated launches and track sessions speed that up. The 35955KIT replaces every friction plate in the unit at once: 3 for A, 6 for B, 5 for C, 5 for D, 5 for E and 4 for F, 28 plates in all.
GM's ten-speeds have a documented valve body problem that can mimic clutch failure. NHTSA recall 25V-148 describes excessive valve body wear causing a pressure drop that moves valves unexpectedly, and Sonnax ties the related feed limit low valve wear to code P0747, harsh shifts and a downshift to second from high gear. Our ten-speed valve body recall guide explains which cars are affected and what to check. Confirm vehicle speed and input readings too, using our input and output speed sensor guide, because a bad sensor can make the TCM report slip that is not happening. If pressure and sensors check out and slip is real, the frictions are worn.
The 35955KIT is sold for 2017-up GM 10L80 and 10L90 and the Ford 10R80 and 10R100, although BorgWarner's own fitment block names the 10R80, 10R100 and 10L80. Because the 10L90 is built for higher output, count the frictions in each pack and compare plate diameter and tooth count with the old parts before you assemble. GM also moved to a Gen. 2 design with a different clutch apply strategy for 2020, so note your build year. If anything does not line up, send us your year and VIN before you order. The full range of parts for this family is on our 10L80 and 10L90 parts page.
| Fits | 10L90 2017 |
| Part type | Clutch Module |
| Condition | New |
| Brand | BorgWarner |
| 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 sold for 2017-up 10L90 units, which includes the ZL1. Count the frictions in each pack during teardown and compare them to the kit, or send us your year and VIN to confirm before ordering.
BorgWarner rates this high energy lining for heavy loads, frequent shifting and high temperatures. For substantially increased power, a dedicated performance friction may be the better choice.
Seals, sealing rings, gaskets and the filter, plus any heat-damaged steels. Inspect each drum for cracks and worn splines while it is out.
Yes. GM recalled some ten-speed cars for valve body wear that causes pressure loss and unexpected valve movement. Test pressure and the valve body before tearing down the clutches.
Dexron ULV. Use it to soak the new frictions and to fill the unit after the rebuild.
