Turbo 400/3L80 (1965-1987) 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 Kit, manufactured in the United States by industry leader Precision International, it was overhauled using the highest quality transmission soft parts available on the market.      

Benefits of Precision International Overhaul Kits from GMTransmissionParts.com

• High Grade Material Construction.  Unlike other transmission kit manufactures, Precision International’s overhaul kits contain parts made from high quality rubber & fiber materials.

• Precision International Kits are made in the USA to superior quality standards, which ensure the parts you will receive meet or exceed the OEM specifications.  When your Turbo 400 transmission is rebuilt using a Precision International overhaul kit it was rebuilt using the best parts in the industry.

• Precision International kits are packaged friendly for the rebuilder.  You won’t just be receiving a bag of parts when you order one of our kits.  The parts in our kits are well packaged, which means less time wasted searching for something you think should be there that isn’t.

• Always Stocked in Our Warehouse & Ready to Ship!

Detailed Listing of Parts this TH400 (3L80) Overhaul Kit Contains

• Oil Pan Gasket – Cork or Farpak/Fiber (OEM # 8623266)

• Spacer Plate to Case Gasket, Early (OEM # 8670393)

• Spacer Plate to Case Gasket, Late (OEM # 8670458)

• Valve Body to Spacer Plate Gasket (OEM # 8670447)

• Front Pump Gasket (OEM # 8623978)

• Extension Housing Gasket (OEM # 8624709)

• Rear Servo Cover, Metal (OEM # 8623494)

• (6) Piston Lip Seal Kit

• (8) Pump Bolt O-Rings (OEM # 8655281)

• (8) Front Pump Washers (OEM # 8626281)

For decades Precision International has been a worldwide supplier of quality products for import and domestic automatic transmissions. As well as supplying an extensive aftermarket customer base, Precision International also provides products to Original Equipment Manufacturers (OEMs). Precision International is dedicated to providing the highest quality product that meets or exceeds the manufactures recommended specifications.  This means when you use a Precision International Overhaul Kit on when rebuilding your transmission, you are using the finest rebuild kits on the market today.

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