TK40602 hub gear support bushing for 1972-1977 Chevy/GMC and Ford F250 Dana 44HD axles with Spicer plastic dial external mount lockout hubs.
TK40602 Axle Gear Support Bushing is a Torque King replacement Bushing that supports your QU20109 Axle Shaft Drive Gear. TK40602 goes between the wheel hub and QU40547 splined hub body on all 1972-1977 Chevy/GMC 3/4 ton 4x4s and Ford F-250 Dana 44 Heavy-Duty front axles with factory installed Spicer plastic dial external mount hubs.
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Dan the Gear Man® Tech Notes: Limited Availability on Plastic Dial Hub Locks Common Bushing Failure Matching Parts
Tech Note 1: Limited Availability on Plastic Dial Hub LocksSpicer made external mount Plastic Dial free-wheel Hub-Locks for 1972 to mid 1977 model year 4x4s. These Hubs were the factory original equipment parts for both to Ford and GM 3/4 ton 4×4 trucks with Dana 44 front axles. They were also used on Ford F-250 Crew Cab trucks with Dana 60 closed knuckle front axles from 1974-1975. Most parts for these hubs have been out of production for decades so parts availability is becoming quite limited.
Tech Note 2: Common Bushing FailureTK40602 Bushing failures are usually due to lack of lubrication between the axle shaft drive gear and bushing.
Tech Note 3: Matching PartsQU20109 Axle Shaft Drive QU20114 Hub Drive GearQU40032 Axle Shaft Snap RingQU40546 Outer Chrome CapQU40547 Splined Hub BodyQU40256 Hub DialTK40471 Dial Sealing Ring QU40406 Hub Cam QU40257 Hub BoltQU40231 Sealing Washer QU40395 Metal Inner Hub GasketTK40573 Outer Fiber Hub Gasket
Applications: Chevy/GMC 3/4 ton 4×4K20, K25: 1972, 1973, 1974, 1975, 1976, 1977, 1977.5
Ford F-250 3/4 ton 4×4:Closed Knuckle Dana 44HD 3500 Axle: 1972, 1973, 1974, 1975Open Knuckle Dana 44 Axle with 6 Bolt External Mount Spicer Hub: 1976, 1977, 1977.5Crew Cab with Dana 60 Closed Knuckle Axle: 1973, 1974, 1975
