Home› Driveline and Axles > Differential› Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear Outer
Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear OuterOE Quality 60-Day Returns
Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear Outer - view 1
Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear Outer - view 2
Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear Outer - view 3
Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear Outer - view 4
Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear Outer - view 5
Part #: SET403

Timken SET403 Differential Pinion Bearing Set - Front Inner, Rear Inner or Rear Outer

Front Inner, Rear Inner, and Rear Outer
⚙️ 13 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$78.45Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Explorer and Explorer Sport Trac
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Differential Pinion Bearing Set options

Timken Differential Pinion Bearing Set Overview

The Timken SET403 Differential Pinion Bearing Set is engineered for reliable performance in Ford Explorer and Explorer Sport Trac models. Designed to meet precise specifications, this bearing set supports smooth driveline operation and helps maintain differential integrity.

  • Compatible with Ford Explorer and Explorer Sport Trac
  • Includes precision-engineered bearing cups and cones
  • Cup outside diameters: 152.40 mm (6.000 in)
  • Cone inside diameters: 95.25 mm (3.750 in)
  • Accurate cone and cup radii for optimal fit and durability

Technical Specifications and Features

The SET403 differential pinion bearing set features a cup outside diameter of 152.40 mm (6.000 inches) and cone inside diameters of 95.25 mm (3.750 inches), ensuring a precise fit within the differential assembly. The cone radius measures 0.203 inches (3.17 mm), while the bearing cup radius is 0.125 inches (5.16 mm). These dimensions are critical for maintaining proper bearing alignment and load distribution, which contributes to the longevity and smooth operation of the differential.

Application and Compatibility

This Timken differential pinion bearing set is specifically designed for use in Ford Explorer and Explorer Sport Trac vehicles. It is ideal for those seeking a direct replacement part that matches OEM specifications for driveline and axle maintenance or repair.

  • Supports differential pinion shaft rotation
  • Helps reduce noise and vibration in the driveline
  • Prevents premature wear of differential components
  • Maintains proper gear alignment under load
  • Addresses issues related to bearing wear or failure

Installation Notes and Tips

When installing the Timken SET403 differential pinion bearing set, ensure that all components are clean and free of debris. Proper lubrication of the bearing surfaces is essential to prevent premature wear. Use appropriate tools to press the bearing cups and cones into place without causing damage. Verify the bearing preload and gear backlash according to Ford specifications for the Explorer or Explorer Sport Trac to ensure optimal performance.

Quality Assurance and Warranty

Timken is known for manufacturing precision-engineered bearings that meet stringent quality standards. The SET403 differential pinion bearing set undergoes rigorous testing to ensure durability and performance. While specific warranty details are not provided, Timken products typically come with manufacturer-backed quality assurance to support reliable operation in automotive applications.

BrandTimken
Part NumberSET403
104991.430
1049936.32
105001.188
1050030.16
Cup Outside Diameter152.40
Cup Outside Diameter6.000
Cone Inside Diameter3.750
Cone Inside Diameter95.25
Cone Radius0.203
Cone Radius3.17
Bearing Cup Radius0.125
Bearing Cup Radius5.16

This part fits 13 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2010FordExplorer4WDFront InnerOptional Substitution To O.E.
2010FordExplorer Sport Trac4WDFront InnerOptional Substitution To O.E.
2009FordExplorer4WDFront InnerOptional Substitution To O.E.
2009FordExplorerAWDFront InnerOptional Substitution To O.E.
2009FordExplorer Sport Trac4WDFront InnerOptional Substitution To O.E.
2009FordExplorer Sport TracAWDFront InnerOptional Substitution To O.E.
2008FordExplorer4WDFront InnerOptional Substitution To O.E.
2008FordExplorerAWDFront InnerOptional Substitution To O.E.
2008FordExplorer Sport Trac4WDFront InnerOptional Substitution To O.E.
2008FordExplorer Sport TracAWDFront InnerOptional Substitution To O.E.
2007FordExplorer4WDFront InnerOptional Substitution To O.E.
2007FordExplorer Sport Trac4WDFront InnerOptional Substitution To O.E.
2006FordExplorer4WDFront InnerOptional Substitution To O.E.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

HD203SET403

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Related Articles