QU40921 Left Inner Axle Shaft 1980-1996 Ford F250 Dana 44IFS Front Axle

QU40921 1980-1996 Dana 44IFS Ford F250 Left Inner Axle Shaft is a genuine Dana OEM replacement Inner Axle Shaft that fits the drivers side of 1980-1996 Ford F250 4x4 vehicles with the standard 3800 or 3850 pound rated Dana 44IFS Independent Front Suspension Front Drive Axles. Made in Mexico.

Also Available While Supplies Last: QU40921U Used Left Inner Axle Shaft available while supplies last.

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:
U-Joint
Length
Causes of Axle Shaft Failure
Matching Items
Applications

Tech Note 1: U-Joint
QU40921 Axle Shaft takes universal joints made to Spicer 1350WJ dimensional specifications. The cup diameter for these u-joints is 1-3/16". The 4 cups are grooved to accept Inside C-Clip Snap Rings. The installed Clips fit against the machined inner faces of the axle shaft yokes. The distance between the inside of the axle shaft yoke ears is 2-3/16". For matching u-joints, see TK40712 and QU90007.

Tech Note 2: Length
QU40921 is approximately 17-7/64" long from center of u-joint hole to end. The splined end is 1-5/16" in diameter x 30 splines.

Tech Note 3: Causes of Axle Shaft Failure
Inner axle shaft operating failures are usually a result of either a broken axle u-joint or the axle shaft seal wearing a deep groove through the shaft case hardening. Good preventative maintenance can usually prevent those type of failures. A good number of axle shafts are also wrecked by poor service procedures during u-joint replacement. Over the years I have seen a lot of axle shafts with bent or broken yokes caused by the slam-bang u-joint removal and installation methods. A C-Frame Press with the correct adapters is both the safest and best way to remove or install axle u-joints.

Tech Note 4: Matching Items
QU40087 Left Axle Shaft Seal
QU40058 Axle Shaft Slinger 1980-1992
QU40228 Spindle Bearing and Seal Kit 1980-1992 for Outer Axle Shaft
QU40436 Spindle Bearing and Seal Kit 1993-1996 for Outer Axle Shaft
QU40920 Outer Axle Shaft for 1980-1996 F250 Dana 44IFS Front Axle
QU40616 Right Inner Axle for F250
TK40712 and QU90007 Axle U-Joints
QU40178 Differential Inner Parts Kit for 1980-1983 F250
QU90018 Pyroplex® Protection ES NLGI #2 GC-LB Water Resistant Synthetic Grease
Ford Shop Manuals

Applications:
Ford:
F250 with 3800 or 3850 pound rated Dana 44IFS Front Axle: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996