Automatic Transmission Parts - Chevrolet, GMC, Geo - 125, 125C, 3T40 (M34, MD9) - Differentials

125, 125C, 3T40, 30T Sun Gear, 20T Pinion (U64715A)

125, 125C, 3T40, 38T Sun Gear, 16T Pinion, 2.84 Ratio (Large .760") (1980-2001)

Part #: U64715A

Sun Gear (38T) (U64715)

Automatic Transmission 38T Sun Gear, 16T Pinion, 2.84 Ratio (Small Diameter Pin .705") 125, 125C, 3T40 1980-2001 4T60 (440-T4) 1984-1993

Part #: U64715

Sun Gear (34T) (U64715B)

Automatic Transmission 34T Sun Gear, 18T Pinion, 3.06 Ratio (Large Diameter Pin .760") 125, 125C, 3T40 1980-2001 4T60 (440-T4) 1984-1993

Part #: U64715B

Sun Gear (34T) (64715C)

Automatic Transmission 34T Sun Gear, 18T Pinion, 3.06 Ratio (Small Diameter Pin .705") 125, 125C, 3T40 1980-2001 4T60 (440-T4) 1984-1993

Part #: 64715C

125, 125C, 3T40, 4T60 Automatic Transmission Sun Gear 30 Tooth | 20 Tooth Pinion, 3.33 Ratio, Large Diameter Pin .760”

Automatic Transmission Sun Gear 30 Tooth20 Tooth Pinion, 3.33 Ratio, Large Diameter Pin .760” Compatible with:125, 125C, 3T40 1980-2001 4T60 (440-T4) 1984-1993

Part #: U64715E

$69.99

Add to Cart

Sun Gear (30T) (R64715D)

Automatic Transmission 30T Sun Gear, 20T Pinion, 3.33 Ratio (Small Diameter Pin .705") 125, 125C, 3T40 1980-2001 4T60 (440-T4) 1984-1993

Part #: R64715D

Differentials