GM-recommended replacement part for your GM vehicle's original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM Original Equipment specifications for fit, form, and function
ACDelco GM Original Equipment Automatic Transmission Clutch Housings are part of the rotating assembly within the automatic transmission. The clutch housing contains the multi-plate clutches that, when engaged, transfer torque from one transmission element to another, producing various gear ranges. These original equipment clutch housings have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
12 Months / 12,000 Miles (Parts Only)
12 Months / 12,000 Miles (Parts Only)
Most Helpful Customer Reviews
If your duramax has had a failed drive line or u joints and is leaking ATF like mine was. This is your fix. It is also the upgraded version. I believe it's only for the 4×4 allison 5 speed transmission. But could be wrong. If you are planning on changing it yourself you do not need to drop the transmission like all the shops say you HAVE TO. However the truck must be level or rear end slightly raised. Will need an allison spanner socket. Impact wrench. HD snap ring plyers. Bearing driver. 15mm. 13mm. Remove driveline and transfer case. Drain tranny. Remove spanner nut. Remove (15) 15mm and (2) 13mm bolts. Carefully remove housing. Remove snap ring. Drive bearing out. Inspect bearing. If ok. Lubricate and drive into new housing. Replace snap ring. Do NOT remove clutch pack or rear planetary gears. Clean mounting surface. Replace and align housing and gasket. Impact spanner nut till it quits spinning. About 108 ft/lbs. Torque 15mm bolts to 37 ft/lbs. Done. ( the return spring will cause...
Despite the confusing name, this is the 4x4 extension housing for the Allison 1000 automatic transmission found behind the Duramax Diesel and the 8.1L gas engines in the 2001 and newer 2500HD and 3500 GM pickups. It comes with the needle bearing, but not the 6209 (open) output bearing. This is the newer design that should be stronger, but I still purchased an aftermarket brace for the next time a u-joint fails.
Amazing engineers thought it would be okay to leave a transfer case unsupported. Opps wrong you will need this adapter and the gasket to go along with the install. Also recommend the support arm that attaches to the this adapter the to the transfer case. Item is perfect came with front roller bearing only. Duramax cracked housing allison 1000 Silverado.
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