HomeDriveline and Axles > BearingsFAG BT1900 Differential Bearing - Front or Rear
Part #: BT1900

FAG BT1900 Differential Bearing - Front or Rear

Front and Rear
⚙️ 56 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$55.18Free 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: Lexus and Toyota, 4Runner, FJ Cruiser, GX470, and Land Cruiser
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Differential Bearing for Lexus and Toyota Vehicles

The FAG BT1900 differential bearing is engineered to provide precise fitment and dependable performance for select Lexus and Toyota models. Designed with exacting dimensions, this bearing supports smooth driveline operation in vehicles such as the Lexus GX470 and Toyota Land Cruiser.

  • Length options: 0.787 inches (20 mm)
  • Bearing inside diameter: 1.969 inches (50 mm)
  • Bearing outside diameter: 3.15 inches (80 mm)
  • Part number: BT1900 for accurate identification
  • Compatible with Lexus 4Runner, GX470, and Toyota FJ Cruiser, Land Cruiser

Technical Specifications and Design Details

The FAG BT1900 differential bearing features a precise inside diameter of 1.969 inches (50 mm) and an outside diameter of 3.15 inches (80 mm), ensuring a secure fit within the differential assembly. The length measurement options of 0.787 inches (20 mm) accommodate specific axle configurations found in compatible Lexus and Toyota models. This bearing is manufactured to meet OEM standards, supporting the driveline's rotational stability and reducing friction under load.

Compatible Vehicles and Applications

This differential bearing is compatible with the following vehicles:

  • Lexus 4Runner
  • Lexus GX470
  • Toyota FJ Cruiser
  • Toyota Land Cruiser

It is designed to replace worn or damaged differential bearings in these models, helping maintain proper axle alignment and driveline efficiency.

Common Issues Addressed by the FAG BT1900 Differential Bearing

  • Eliminates differential noise caused by worn bearings
  • Prevents excessive play in the axle assembly
  • Reduces vibration during acceleration and deceleration
  • Improves differential gear engagement and longevity
  • Supports smooth torque transfer in off-road and on-road conditions

Installation Notes and Tips

When installing the FAG BT1900 differential bearing, ensure the bearing surfaces and housing are clean and free of debris. Proper lubrication is essential to prevent premature wear. Use appropriate tools to press the bearing into place without causing damage. Verify fitment against the vehicle’s service manual specifications for the Lexus 4Runner, GX470, Toyota FJ Cruiser, or Land Cruiser.

Quality Assurance and Warranty Information

FAG manufactures the BT1900 differential bearing to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, FAG bearings typically conform to industry standards for automotive driveline components, offering confidence in long-term use.

BrandFAG
Part NumberBT1900
Length0.787
Length20
Bearing Inside Diameter1.969
Bearing Inside Diameter50
Bearing Outside Diameter3.15
Bearing Outside Diameter80

This part fits 56 vehicles. Search below:

YearMakeModelPositionNotes
2013ToyotaFJ CruiserFrontSchaeffler BRG Global Number 712 1900 100
2012Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2012ToyotaFJ CruiserFrontSchaeffler BRG Global Number 712 1900 100
2011Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2011ToyotaFJ CruiserFrontSchaeffler BRG Global Number 712 1900 100
2010Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2010ToyotaFJ CruiserFrontSchaeffler BRG Global Number 712 1900 100
2009LexusGX470RearSchaeffler BRG Global Number 712 1900 100
2009Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2009Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2009ToyotaFJ CruiserFrontSchaeffler BRG Global Number 712 1900 100
2008LexusGX470RearSchaeffler BRG Global Number 712 1900 100
2008Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2008Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2008ToyotaFJ CruiserFrontSchaeffler BRG Global Number 712 1900 100
2007LexusGX470RearSchaeffler BRG Global Number 712 1900 100
2007Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2007Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2007ToyotaFJ CruiserFrontSchaeffler BRG Global Number 712 1900 100
2006LexusGX470RearSchaeffler BRG Global Number 712 1900 100
2006Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2006Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2005LexusGX470RearSchaeffler BRG Global Number 712 1900 100
2005Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2005Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2004LexusGX470RearSchaeffler BRG Global Number 712 1900 100
2004Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2004Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2003LexusGX470RearSchaeffler BRG Global Number 712 1900 100
2003Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2003Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2002Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2002Toyota4RunnerRearSchaeffler BRG Global Number 712 1900 100
2001Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
2000Toyota4RunnerRearw/Locking Differential; Schaeffler BRG Global Number 712 1900 100
2000Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1999Toyota4RunnerRearw/Locking Differential; Schaeffler BRG Global Number 712 1900 100
1999Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1998Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1998Toyota4RunnerRearw/Locking Differential; Schaeffler BRG Global Number 712 1900 100
1997Toyota4RunnerRearw/Locking Differential; Schaeffler BRG Global Number 712 1900 100
1997Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1996Toyota4RunnerRearw/Locking Differential; Schaeffler BRG Global Number 712 1900 100
1996Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1995Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1994Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1993Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1992Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1992ToyotaLand CruiserFrontTo 01/08/1992; Schaeffler BRG Global Number 712 1900 100
1991Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1991ToyotaLand CruiserFrontSchaeffler BRG Global Number 712 1900 100
1990Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1989Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1988Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1987Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100
1986Toyota4RunnerFrontSchaeffler BRG Global Number 712 1900 100

* 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:

7121900100BR140

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