Gaskets, Seals & O-Rings

TH400 3L80 Gasket and Seal Overhaul Rebuild Kit

This Turbo TH400 (3L80) Transmission Overhaul Kit includes the basic seals, gaskets, o-rings and filters necessary to rebuild GM TH400 transmissions from 1965-1987.  When your transmission is rebuilt using an Overhaul...

TH400 Paper Gasket & Rubber Sealing Kit (No MC Seals or small Components)

This kit contains all the paper gaskets and rubber seals required to overhaul a GM Turbo 400 automatic transmission manufactured from 1965 to 1990.  This kit does not contain any metal clad seals or other small components typically found in an...

TH400 Pump Stator & Center Support Sealing Ring (Teflon) (1964-1990) (Takes 6 Total)

TH400 Pump Stator & Center Support Sealing Ring (Teflon) (1964-1990) (Takes 6 Total on Center Support and Pump Stator)

TH400 Sealing Ring Kit (All Metal)

This is an all metal sealing ring kit for GM's Turbo 400 automatic transmisisons made between 1964 to 1990.

TH400 AT540 AT545 AT1545 MT640 MT650 Governor Cover Gasket - Fiber

AT540 AT542 AT543 AT545 AT1545 MT640 MT643 MT644 MT647 MT650 MT653 MT654 TH400 Governor Cover Gasket - High Quality Fiber Material OEM Part Number: 8670381, 23018625, 8670381

TH400 Front Accumulator Front Servo Piston Seal

This is the front accumulator and front servo piston seal in Turbo 400 automatic transmissions. Metal

TH400 4L80E Pump Stator & Center Support Sealing Ring - Metal

This is a high quality replacement metal sealing ring found on the pump stator and center support of GM Turbo 400 and 4L80E automatic transmissions.

TH400 4L80E Forward Direct Clutch Outer Lip Seal

This is a high quality replacement outer lip seal for the forward and direct clutch piston in GM's TH400 and 4L80E automatic transmissions.

TH400 4L80E Forward Direct Clutch Inner Lip Seal

This is a high quality replacement inner lip seal for the forward and direct clutch piston in GM's TH400 and 4L80E automatic transmissions.

TH400 Rear M/C Seal (1965-1998) 8675730

This is a new rear seal for GM Turbo 400 automatic transmissions manufactured from 1965 to 1998. OEM Part Number: 8675730 2.70'' OD

TH350 TH250 Pump L/C Seal (1968-UP) 6261413

This is a new high quality replacement lathe cut seal for TH350 TH350C TH250 and TH250C transmission oil pumps. OEM Part Number: 6261413

TH400 Oil Pan Gasket - Fiber/Farpak 8628907

This is a new upgraded performance fiber Farpak replacement transmission oil pan gasket for GM's Turbo 400 automatic transmissions. OEM Part Number: 8628907

TH400 Oil Pan Gasket - Cork/Rubber 8623266

This is a new replacement transmission oil pan gasket for GM's Turbo 400 automatic transmissions. OEM Part Number: 8623266

TH400 Extension Housing Seal Kit w/ Bushing - 2WD

TH350 TH400 TH200 TH200-4R Speedo Gear Shaft Metal Clad Seal 3869910

Speedo Gear Shaft Metal Clad Seal Works with the following transmissions: TH350/TH400/TH200/TH200-4R/TH325 OEM Part Number: 3869910

GM TH400 Transmission Pump Repair Kit (1964-1990)

GM Turbo TH400 Transmission Front Pump Repair Seal Kit 1964-1990 Models Kit Includes Front Pump Gasket Front Pump O-Ring Front Pump Metal Clad Seal Front Pump Body Bushing

TH400|4L80E Adapter to Transfer Case Gasket 8624709

This is a high quality extension housing to case gasket for GM's 4L80E and Turbo 400 automatic transmissions.  It is often found in with the following transfer case models NPG203, NPG205, NPG208, BW1370 and BW4470. OEM Part Number: 8624709...

Extension Housing M/C Seal w/ Small Boot (1966-1996) Ford/Chrysler/GM

Works with A500E/44RE/A500/40RH/42RH/A500SE/42RE/A606/42LE/42RLE/TF-8/A727/36RH/37RH/C6/E4OD/4R100/HX/FMX/BW12/BW8/MX/FX/TH400/TH425 Transmissions.   Dodge, Jeep, Chrysler, GM, Ford   OEM Number: 4531216AB, 4743C,  D5AZ-7052-A

Powerglide|TH180|TH300|TH325|TH400|TH425 Metal Clad Front Pump Seal 8670283

This is a high quality metal clad front pump seal for GM Powerglide, Turbo 180, Turbo 300, Turbo 325, Turbo 400, Turbo 425 automatic transmissions.   OEM # 8670283

TH400 Powerglide Pump Bolt O-Ring (1962-1965) 3789013

This is a high quality pump bolt o-ring for GM's Powerglide transmission manufactured between 1962 and 1965.  Each Powerglide transmission requires 7 pump bolt o-rings.  This item is for 1 o-ring.   OEM # 3789013