Parts for Ford Sterling 10.5" Rear Axles in 1999-2010 Ford Trucks
The Ford Sterling 10-1/2" Rear Full-Floating Axle was introduced in 1999 along with the new Super Duty F250 and F350. It shares some parts with the similar 10-1/4" Sterling Rear Axle which Ford used from 1985 to 1997 in the F250 and F350. The 10-1/2" Sterling is equipped with disc brakes (with the possible exception of some very early production F250 or export models). This axle is used on Excursions, F250, and F350 Single Rear Wheel (SRW) trucks. The only dual wheel configuration we have seen is on F350 duallys with the small gas V8 engine. Both open and limited slip differentials were available.
Axle Identification
     
     
     
     
Axle Assemblies and Housings
     
     
     
     
Axle Shafts and Axle Shaft O-Rings
Most 10-1/2" Ford Sterling rear axles are in Excursions, F-250, and single rear wheel F350 trucks which for most years share the same axle shafts. There are however there are some variations in axle shaft lengths for particular years or models, so it is always best to verify the length of the shaft you need by measuring from the inside face of the flange to the tip of the splined end. Link to Our Ford Web Page Index
QU20004 Axle Shaft Sealing Ring seals between your 1999-2010 Ford 10.5" rear axle shaft flange and rear wheel hub.
QU20327U Good Used Right Rear Axle Shaft For most 1999-2010 Ford Sterling 10-1/2" rear axles in Excursions, F250, and F350 single rear wheel trucks. Length from inside face of flange to end is approximately 35".

QU20328U Good Used Left Rear Axle Shaft For most 1999-2010 Ford Sterling 10-1/2" rear axles in Excursions, F250, and F350 single rear wheel trucks. Length from inside face of flange to end is approximately 37-3/16".

 

     
Brake Parts
The Disc Brake equipped Ford Sterling 10-1/2" Rear Axle uses a cable controlled parking brake. The top-hat style brake rotor includes a built in brake drum for the parking brake. Link to Our Ford Web Page Index
QU20330U Used Right Side Parking Brake Assembly with Backing Plate and Disc Brake Shield for Ford Excursion and 1999-2004 Ford Super Duty F250 and F350 trucks with Single Rear Wheels.

Link to our large text QU20330U catalog page.
QU20331U Used Left Side Parking Brake Assembly with Backing Plate and Disc Brake Shield for Ford Excursion and 1999-2004 Ford Super Duty F250 and F350 trucks with Single Rear Wheels.

Link to our large text QU20331U catalog page.
     
Differential and Pinion Bearings (Individual)
If you only need a bearing or two for your 10-1/2" Ford Sterling full-floating rear axle, we stock the best: Timken®. For the amount of work it takes to change most axle bearings, the extra cost for a Timken® diff or pinion bearing is a small price to pay for better steel, more uniform surface finish, and accurate, precision ground races. The differential side bearings are the same on all 1999-2010 Ford Sterling Rear Axles. The inner pinion bearings and crush sleeve are different for 1999-2006 axles and 2008-2010 models. 2007 model year axles can have either style of bearings, so if you have a 2007, you will need to verify which version you have before ordering. Link to Our Ford Web Page Index
QU50559 1999-2010 Timken® Outer Pinion Bearing Cup for 1999-2010 Ford Sterling 10.5" Rear Axles in Ford Excursion, Ford Super Duty® F250, F350 Single Rear Wheel Trucks. Also fits 1999-2004 F350 Dual Rear Wheel V8 gas engine trucks with the 10.5' Sterling rear axle.
QU50560 1999-2010 Timken® Outer Pinion Bearing for 1999-2010 Ford Sterling 10.5" Rear Axles in Ford Excursion, Ford Super Duty® F250, F350 Single Rear Wheel Trucks. Also fits 1999-2004 F350 Dual Rear Wheel V8 gas engine trucks with the 10.5' Sterling rear axle.
QU50790 1999-2007.5 Timken® Inner Pinion Bearing Cup for 1999-2007 Ford Sterling 10.5" Rear Axles in Ford Excursion, Ford Super Duty® F250, F350 Single Rear Wheel Trucks. Also fits 1999-2004 F350 Dual Rear Wheel V8 gas engine trucks with the 10.5' Sterling rear axle.
QU50791 1999-2007.5 Timken® Inner Pinion Bearing for 1999-2007 Ford Sterling 10.5" Rear Axles in Ford Excursion, Ford Super Duty® F250, F350 Single Rear Wheel Trucks. Also fits 1999-2004 F350 Dual Rear Wheel V8 gas engine trucks with the 10.5' Sterling rear axle.
QU50402 Timken® Differential Side Bearing Cup for 1999-2010 Ford Sterling 10.5" Rear Axles in Ford Excursion, Ford Super Duty® F250, F350 Single Rear Wheel Trucks. Also fits 1999-2004 F350 Dual Rear Wheel V8 gas engine trucks with the 10.5' Sterling rear axle.
QU50403 Timken® Differential Side Bearing for 1999-2010 Ford Sterling 10.5" Rear Axles in Ford Excursion, Ford Super Duty® F250, F350 Single Rear Wheel Trucks. Also fits 1999-2004 F350 Dual Rear Wheel V8 gas engine trucks with the 10.5' Sterling rear axle.
   
   
Differential Bearing Kits
The differential side bearings are the same on all 1999-2010 Ford Sterling Rear Axles. The inner pinion bearings and crush sleeve are different for 1999-2006 axles and 2008-2010 models. 2007 model year axles can have either style of bearings, so if you have a 2007, you will need to verify which version you have before ordering. Link to Our Ford Web Page Index
QU50594 10-1/2" Ford Rear Differential Bearing and Seal Kit for 1999-2005 Ford Excursions and 1999-2007.5 Ford Super Duty F-250 and F350 trucks with Ford Sterling 10-1/2" rear full floating axles. QU50594 features first class Timken® Differential and Pinion Bearings, plus Pinion Seal, Pinion Nut, Crush Sleeve, Gear Marking Compound, Threadlocker, and RTV Sealant.

Link to QU50594 Large Text Individual Product Page.
  QU50881 10-1/2" Ford Rear Differential Bearing and Seal Kit for 2007.5-2010 Ford Super Duty F-250 and F350 trucks with Ford Sterling 10-1/2" rear full floating axles. QU50881 features first class Timken® Differential and Pinion Bearings, plus Pinion Seal, Pinion Nut, Crush Sleeve, Gear Marking Compound, Threadlocker, and RTV Sealant.  
QU40259 Ford 10.5" 1999-2010 Differential Side Bearing Set for Ford Sterling 10.5" Rear Axles are original equipment quality replacements. QU40259 Kit includes two each Bearing Cups and Tapered Bearings.
     
Differential Parts (Locking)
The 1999-2010 10-1/2" Ford Sterling Rear Axle was built with two types of Limited Slip Differentials. Limited Slip equipped vehicles with 5.4L gas V8 engines typically have a differential with a straight cross shaft and two pinion mate gears. Models with V10 gas or V8 Diesel engines typically have differentials with 3 pinion mate gears. Link to Our Ford Web Page Index
QU20326U Used 35 Spline 2 Pinion Limited Slip Differential with the ABS Tone Ring fits 2000-2005 Excursion and 1999-2010 Super Duty F250, F350 single rear wheel trucks with the 5.4L gas V8 engine.
QU40615 Limited Slip Clutch Pack Kit for 2 Pinion Differentials includes all the original equipment replacement clutch discs for both sides of all 2 pinion limited slip rear diffs in 2000-2005 Excursion and 1999-2010 Super Duty F250, F350 single rear wheel trucks with the 5.4L gas V8 engine.
     
Differential Parts (Open)
     
     
     
     
Gaskets and Gasket Maker
Ford Sterling 10-1/2" Rear Axles used RTV sealant between the diff cover and axle housing. If desired, you can use a gasket in lieu of RTV. Regardless of if you use RTV sealant, a gasket, or a combination of both the mating faces of the diff housing and axle beam MUST BE Clean! That means NO dirt, fingerprints, old sealant, oil etc. on either mating surface. Link to Our Ford Web Page Index
QU40400 Differential Cover Gasket is a high quality cut gasket you can use in lieu of RTV sealant on all 1999 to 2010 Ford F-250 and F-350 trucks with 10.50" rear axles.
S82194 Ultra Gray RTV Sealant combines high adhesion and resistance to both conventional and synthetic gear lubes. The perfect choice to seal the differential housing to the left axle beam on your Ford Sterling 10-1/2" Rear Axle.

Link to our large text S82194 catalog page.

Manuals and Technical Information
     
     
     
     
Miscellaneous
Proper lubrication and replacing damaged or worn small parts is often the difference between a first class, long-term repair and a short lived nightmare. In this section are the small parts and accessory items that do not neatly fit under our other parts headings.  
QU90009 Universal Axle Service Pack is the Bargain Priced Chemical Service Pack included in many of our QU series Differential Bearing Kits. You get Threadlocker for the ring gear bolts, diff cap bolts, and pinion nut, QU90008 Gear Marking Compound for checking the tooth pattern on your gear set, Blue RTV sealant for the diff cover and a small brush to apply the Gear Marking Compound.
S24200 Blue Threadlocker for spindle and ring gear bolts etc.
QU90008 Gear Marking Compound use with QT9404 Brush to check your ring and pinion gear tooth pattern.
     
Pinion Seals and Yokes
Ford used two types of u-joint coupling at the 10.50" rear axle. Most models especially in later years will have a round companion flange on the axle which bolts to a driveshaft flange yoke, however some vehicles use a Pinion Yoke which directly connects to the driveshaft universal joint. Either style will need replacement when the seal surface is grooved, but it is very rare to replace a companion flange for any other reason. In contrast, a bad u-joint will often wreck a pinion end yoke. Link to Our Ford Web Page Index
QU20050 Ford 10.50" Rear Axle Pinion Seal is a genuine original equipment part for Ford Excursion, 1999-2010 Ford Super Duty F-250 and F-350 trucks with Ford Sterling 10-1/2" Rear Axles.
QU20100 10.50" Rear Axle Pinion End Yoke for 1410 Series Universal Joint in 1999-2002 Ford Super Duty F-250 and F-350 trucks which have 4-3/16" wide rear universal joints that attach directly to your rear axle pinion yoke.
QU40709 U-Joint Strap and Bolt Kit 1999-2002 Ford Super Duty F-250 and F-350 trucks which have driveshaft rear universal joints that attach directly to your rear axle pinion yoke.
QU40887 Driveshaft Flange Yoke for 1410 Series Universal Joint is a genuine original equipment part for Ford Excursion, 1999-2010 Ford Super Duty F-250 and F-350 trucks with 10-1/2" Sterling rear axles equipped with a round Companion Flange. U-Joint width is 4-3/16".
QU20313U Used 10.50 Ford Rear Axle Pinion Companion Flange for Ford Excursion, 1999-2010 Ford Super Duty F-250 and F-350 trucks with rear driveshafts equipped with a Flange Yoke.
     
Ring and Pinion Kits
The ring and pinion sets, inner pinion bearings and crush sleeve are different for 1999-2006 axles and 2008-2010 models. 2007 model year axles can have either type of gear set, so if you have a 2007, you will need to verify which version you have before ordering.  
Used Rear Ring and Pinion Sets for 1999-2007.5 Ford Sterling 10-1/2" Rear Axles.
     
     
Small Parts
     
QU20000 1999-2007 Ford 10.50" Rear Axle Crush Sleeve is a genuine original equipment part that fits between the outer pinion bearing and a shoulder on the pinion stem to provide pinion bearing preload when the pinion nut is properly tightened on Ford Excursion and 1999 to 2007 Ford F-250 and F-350 single rear wheel trucks with Ford Sterling 10.50" ring gear rear axles.
QU20002 Ford 10.50" Rear Axle Pinion Flange Nut is a genuine original equipment nut with pre-applied Threadlocker. For Ford Excursion and 1999 to 2010 Ford F-250 and F-350 single rear wheel trucks with Ford Sterling 10.50" ring gear rear axles.
QU20003 Ford 10.50" Rear Axle Pinion Slinger is a genuine original equipment part that fits between the outer pinion bearing and the pinion yoke to provide correct oil flow to the outer be pinion bearing and pinion seal on Ford Excursion and 1999 to 2010 Ford F-250 and F-350 single rear wheel trucks with Ford Sterling 10.50" ring gear rear axles.

 

QU50788 Differential Side Bearing Shim Kit
QU50789 Ring Gear Bolt
QU20034 Inner Rear Wheel Bearing Oil Slinger for 1999-2010 Ford Sterling 10-1/2" Rear Axles. Slinger Fits Between Inner Wheel Bearing and Spindle Face.
QU20254 Ford Sterling 10.5" Rear Axle Vent Fitting and Brake Block Bolt is a genuine original equipment hollow bolt that is used to attach the rear brake junction block to the axle housing and it acts as the axle vent outlet to which you attach the axle vent hose.

QU20329U Good Used Metric Axle Shaft Flange Bolt For 2003-2005 Ford Sterling 10.5 Rear.

Spindle Nuts and Spindle Hardware
    Link to Our Ford Web Page Index
QK4019 Rear Spindle Nut Set includes one left hand thread and one right hand thread ratchet style spindle nuts for Ford Excursion and 1999-2010 F-250, F-350 single rear wheel trucks with 10.5" full float rear axles. Use to replace worn original nuts that have either separated or no longer "click" when adjusted.
QU40102 Right Hand Thread Ratchet Type Rear Axle Spindle Nut for Ford Excursion and 1999-2010 F-250, F-350 single rear wheel trucks with 10.5" full float rear axles. Use to replace worn original nuts that have either separated or no longer "click" when adjusted. Hi-Shear, right hand ratcheting spindle nut for Ford full float rear drive axles.
QU40103 Left Hand Thread Ratchet Type Rear Axle Spindle Nut for Ford Excursion and 1999-2010 F-250, F-350 single rear wheel trucks with 10.5" full float rear axles. Use to replace worn original nuts that have either separated or no longer "click" when adjusted. Hi-Shear, left hand ratcheting spindle nut for Ford 10.25" rear full float drive axles.
     
     
     
Tools
    Link to Our Ford Web Page Index
QT1529 Rear Wheel Seal Installer
QT1801 Outer Wheel Bearing Cup Installer
QT1804 Inner Wheel Bearing Cup Installer
QT1100 1" x 8" Driver Handle
QT1116 1.25" x 8" Driver Handle
QT1019 Rear Spindle Nut Socket for Ford Ratchet Type Spindle Nuts
Wheel Bearings, Seals, and Hubs (Individual)
    Link to Our Ford Web Page Index
QU20022 Rear Wheel Seal for Ford Excursion and 1999 to 2010 Ford Super Duty F-250, F350 Single Rear Wheel Trucks is a genuine original equipment unitized oil-bath type Wheel Seal.
QU50411 Timken® Outer Wheel Bearing Cup for all Ford Excursion and 1999-2010 Ford F250, F350SRW Sterling 10.5" rear drive axles.
QU50412 Timken® Outer Wheel Bearing for all Ford Excursion and 1999-2010 Ford F250, F350SRW Sterling 10.5" rear drive axles.
QU50623 Timken® Inner Wheel Bearing Cup for all Ford Excursion and 1999-2010 Ford F250, F350SRW Sterling 10.5" rear drive axles.
QU50624 Timken® Inner Wheel Bearing for all Ford Excursion and 1999-2010 Ford F250, F350SRW Sterling 10.5" rear drive axles.
QU20324U 1999-2005 Used Rear Wheel Hub for Ford 10.5 Sterling Rear axles with disc brakes in 1999-2004 F-250, F350 with single rear wheels and 1999-2005 Excursion.
Wheel Bearing and Seal Kits
    Link to Our Ford Web Page Index
TK8332/TK8333 Wheel Bearing & Seal Kit include 4 Timken® Wheel Bearings with Cups, 2 Hydrodynamic Lip Wheel Seals, and 2 Axle Shaft O-Rings, Available as a Master Kit with Tools or as a parts only Kit. These high quality Rear Wheel Bearing and Seal Kits fit all Ford Excursion and 1999-2010 Ford F250, F350SRW Sterling 10.5" rear drive axles.