Y440323 Yukon 3/4 Ton 4x4 Front Spindle 1971-77 GM and 1974-77 Jeep

Y440323 Yukon Replacement Front Spindle for Dana 44, & 8.5", 6 holes, 1.625" & 2.0" bearing Journal, front. Fits 1973-1976 Chevy, GMC 4x4 Suburbans and trucks plus 1974-1977.5 Jeep J20 trucks. This is a low cost, yet high quality replacement part. Imported.

Also See: QU40323 OE Spindle or QU40323U Used Spindle

Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project!

Dan the Gear Man® Tech Notes:
Fits
1971-1972 GM
Before Installing
Matching Parts for GM
Matching Parts for Jeep
Applications

Tech Note 1: Fits
This Spindle directly fits 1973 to 1976 3/4 ton GM 4x4s and 1974-1977.5 3/4 ton Jeep 4x4's with Dana 44 front axles that have a wheel hub that using six 3/8" diameter bolts to secure the lockout hub or drive flange to the wheel hub. 1977 and later GM trucks and 1977.5 and later Jeeps have internally splined hubs and use QU40313 Spindle.

Tech Note 2: 1971-1972 GM
To fit your 1971-1972 axle with 2" diameter outer axle shaft slinger, you MUST replace the V-Seals with QU40043 one-piece spindle seal and replace the plastic thrust washer with QU40232 bronze thrust washer.

Tech Note 3: Before Installing
Before installing your new spindle, lube the bearing, seals, and thrust washer with QU90018 PP14 Pyroplex® grease. Also, apply some S9975 or S81343 Anti-Seize Compound to the mating surfaces between the spindle and steering knuckle.

Tech Note 4: Matching Parts for GM
Matching parts for Y440323 Spindle:
QU50101 Wheel Seal
QU50569 Inner Wheel Bearing
QU50568 Inner Wheel Bearing Cup
QU50447 Outer Wheel Bearing Cup
QU50448 Outer Wheel Bearing
QU40228 Spindle Bearing & Seal Kit 1973-77 (Included with NEW Spindle, Required for USED Spindle)
QU40043 One-Piece Spindle Seal for 1971-1972
QU40232 Bronze Thrust Washer for 1971-1972
QK4727 Spindle Nut Set
QU40221 Outer Axle Shaft
QU30163U Used Hub and Rotor
TK40573 6 Bolt Hub Gasket
QT1025 Spindle Nut Wrench
TK4708/TK4779 Wheel Bearing and Seal Kits

Tech Note 5: Matching Parts for Jeep
Matching parts for Y440323 Spindle:
QU50101 Wheel Seal
QU50569 Inner Wheel Bearing
QU50568 Inner Wheel Bearing Cup
QU50447 Outer Wheel Bearing Cup
QU50448 Outer Wheel Bearing
QU40228 Spindle Bearing and Seal Kit (Included with NEW Spindle, Required for USED Spindle)
QK4727 Spindle Nut Set
QU40221 Outer Axle Shaft
QU30163U Used Hub and Rotor
TK40573 6 Bolt Hub Gasket
QT1025 Spindle Nut Wrench
QT1012 Spindle Nut Wrench

Applications:

Chevy and GMC:
K20, K25, K2500 3/4 ton 4x4 Suburban and Trucks: 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1977.5

Jeep:
J20: 1974, 1975, 1976, 1977, 1977.5