Quality Used Hard Parts

TH350 Vega Style Sunshell

Part number: 1328A A used TH350 (Turbo 350) Vega-style sunshell, with drilled holes. This is a tested used part, sold individually as a single sunshell for this application, cleaned and inspected...

TH400 3L80 Intermediate Sprag Outer Race (1965-1998) 0.751'' Thick

Part number: U34663 A used intermediate sprag outer race for Turbo 400 (TH400) and 3L80 automatic transmissions, covering units built 1965-1998. It measures 0.751 inches thick and is sold in...

TH400 4L80E Forward Hub

Part number: 1559B A used OEM forward hub for GM Turbo 400 (TH400) and 4L80E automatic transmissions, cross-referenced to manufacturer part number 8677091. It has been cleaned and inspected before...

TH400 4L80E Intermediate Piston - Alum

Part number: 8623142 Used aluminum intermediate piston for TH400 and early 4L80E automatic transmissions. It is sold in good used condition and is intended for a transmission rebuild where the...

TH400 Detent Lever

Part number: TH400DTL A used detent lever assembly for Turbo 400 (TH400) automatic transmissions, sold by Quality Used Hard Parts. It is a good-used part rather than new or remanufactured, and is the...

TH400 Early 4L80E Intermediate Piston - Aluminium

Part number: 8661657 An aluminum intermediate clutch piston for GM TH400 and early 4L80E automatic transmissions. It is the aluminum-style intermediate piston used in these transmissions, sold...

TH400 Forward Direct Clutch Cast Alum. Piston - 8623709

Part number: 8623709 Used cast aluminum forward direct clutch piston for the TH400 automatic transmission. It is a used hard part rather than a new one.

TH400 Intermediate Clutch Pressure Plate

Part number: U34144 A used intermediate clutch pressure plate for GM TH400 (3L80) automatic transmissions, for that clutch position in the case. It is a used part, made in the US, sold individually...

TH400 Intermediate Sun Gear Shaft | 28-Spline

Part number: 1238C A new early-design intermediate sun gear shaft for TH400 automatic transmissions. It carries 28 splines and is sized for the intermediate sun gear position in the early-design...

TH400 Intermediate Sun Gear Shaft | 32-Spline

Part number: 1238D Used intermediate sun gear shaft for the TH400, in the late-design 32-spline version. It is a used hard part, not a new one.

TH400 Output Shaft - 4WD (5.25'' OL w/ 2.25'' Spline) Cast Governor Gear

Part number: U34678HA Used output shaft for four-wheel drive (4WD) TH400 automatic transmissions. The overall length is 5-1/4'' (5.25'') with 2-1/4'' of splines, and it is the cast governor gear...

TH400 Output Shaft | 15-1/8'' LG | 32-Spline | 2-3/4'' Spline LG | No Threaded Yoke | Metal & Clip Style Speedo | O-Ring Groove | 2WD

Part number: 1228E Used TH400 output shaft for 2WD, 15-1/8'' long with 32-spline and a 2-3/4'' spline length. It has no threaded yoke, uses a metal and clip style speedo gear, and has an O-ring...

TH400 Output Shaft | 18-1/2'' LG | 32-Spline | No Yoke Thread | Metal & Clip Style Speedo Gear | O-Ring Groove

Part number: 1228C Used TH400 output shaft, 18-1/2'' long with 32-spline. It has no yoke thread, uses a metal and clip style speedo gear, and has an O-ring groove. It was used in 71-76 Cadillac...

TH400 Output Shaft | 7'' OAL | 32-Spline | 2-1/4'' Spline Length | Flat Top Style Yoke | Metal & Clip Style Speedo Gear | No O-Ring Groove

Part number: 1228D Used TH400 output shaft, 7'' long from the base, with 32-spline and a 2-1/4'' spline length. It has a flat top style yoke, uses a metal and clip style speedo gear, and has no...

TH400 Output Shaft | 8-1/8'' OAL | 32-Spline | 2-7/8'' Spline Length | 1-Clip Style Speedo Gear | w/ O-Ring Groove

Part number: 1228G A used TH400 output shaft measuring 8-1/8'' overall length from the base, with 32-spline output and a 2-7/8'' spline length. It uses the 1-clip style speedo gear and includes an...

TH400 Rear Planet | 1.5'' Parking Lug

Part number: U34584A Used rear planet for TH400 automatic transmissions, with a 1.5'' parking lug. It is sold as a used hard part, this listing for the rear planet only, not the transmission's other...

TH400 Rear Planet | 1/2'' Parking Lug

Part number: U34584 A used TH400 rear planet with a 1/2 inch (.50 inch) parking lug. It is manufactured in the United States and sold individually as a complete planet, a used and carefully inspected...

TH400 Speedo Housing (Fits 34-39 Tooth Gears)

Part number: U34774 A used speedometer housing for Turbo 400 (TH400) automatic transmissions, sized to fit 34-39 tooth gears. It is sold as a good-used part rather than new, made by Quality Used Hard...