Product Details

Master rebuild box kit for the TH325 and TH325-4L automatic transmissions.

For GM, Buick, Cadillac, and Oldsmobile applications

This kit fits the 1979-1981 3 speed and 1982-1985 4 speed overdrive transmissions

This high quality transmission master overhaul rebuild kit contains

• All friction clutch plates
• All steel clutch plates
• Fluid filter
• All rubber lip seals
• All paper gaskets
• All O-rings
• All metal clad seals
• Teflon and steel sealing rings
• Intermediate – 2nd gear band

The Transtec gasket overhaul set contained within this kit is highly rated and used by most rebuild shops.

Remember to soak all of your clutches in transmission fluid for thirty minutes before you install them.

The TH325 is a 3 speed automatic and the TH325-4L is a 4 speed overdrive automatic transmission. These very similar transmissions were in front-wheel drive vehicles. 

These units can be found in the following GM, Buick, Cadillac, and Oldsmobile applications.

Buick

• Riviera 1979-1985

Cadillac

• Eldorado 1979-1985
• Seville 1979-1985

Oldsmobile

• Toronado 1979-1985

These transmissions are part of the Turbo-Hydramatic or Hydra-Matic series and also known as: 325, TH325, M32, 325-4L, TH325-4L, and M57