Australia-wide shipping on performance, 4x4 and vehicle-specific upgrades.

Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear Diff Mount Inserts positive power kit

SKU: WHLKDT903

Differential Housing Mount Bushings

WL Positive Traction Kits...

Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear Diff Mount Inserts positive power kit

SKU: WHLKDT903

Differential Housing Mount Bushings

WL Positive Traction Kits...

A$134.15
IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Whiteline's differential insert bushings work within the voids of the original factory bushing to ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.

Kit Options

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb SKU Kit Title
whlWEK097 Whiteline 11-16 Subaru Impreza (Non WRX/STI) / 07-14 Subaru WRX Front + Rear Vehicle Essentials Kit (1x whlKBR39, 1x whlKDT956, 1x whlKDT910, 1x whlKDT901, 1x whlKDT903)
whlWEK096 Whiteline 14-21 Subaru WRX Essential Driveline Bushing Kit (1x whlKBR39, 1x whlKDT958, 1x whlKDT938, 1x whlKDT901, 1x whlKDT903)

Part Type

Differential Mount Bushing

Data: v4.2 - Upd: 2026-10-14 07:04:53

Features

  • Inserts are designed to work with the original factory bushing rather than replacing it.
  • Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
  • Protective powder coating acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
  • Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life.

Specifications

Product Attributes - UPC
9319924358762
Product Attributes - Brand
WHITELINE
Product Attributes - Notes
Includes 4 insert bushings, 2 washers, installation guide and assembly grease.
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Part Type
Differential Housing Mount Bushings
Product Attributes - Product Line
Whiteline Differential Housing Mount Bushings
Product Attributes - Bushing Color
Black
Product Attributes - Bushing Material
Polyurethane
Product Attributes - Special Attention
Differential inserts.
Product Attributes - Manufacturer's Part Number
KDT903

Reference Information

Brand Name/s Whiteline
StreetFX SKU whlKDT903
SFX Item ID 4325777
Supplier Item Code 4325777
Manufacturer SKU KDT903
Manufacturer UPC 9319924358762

Brochures

Compatibility

Application Data
  • MakeSUBARU
    ModelFORESTER
    Submodel2.0XT PREMIUM
    Beginning Year2014
    Ending Year2018
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    Submodel2.0XT TOURING
    Beginning Year2014
    Ending Year2018
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    Submodel2.5I
    Beginning Year2014
    Ending Year2018
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    Submodel2.5I LIMITED
    Beginning Year2014
    Ending Year2018
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    Submodel2.5I PREMIUM
    Beginning Year2014
    Ending Year2018
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    Submodel2.5I TOURING
    Beginning Year2014
    Ending Year2018
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelSPORTS 2.5 X
    Beginning Year2008
    Ending Year2008
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelSPORTS 2.5 XT
    Beginning Year2008
    Ending Year2008
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelX
    Beginning Year2008
    Ending Year2013
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelX L.L. BEAN EDITION
    Beginning Year2008
    Ending Year2008
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelX LIMITED
    Beginning Year2009
    Ending Year2013
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelX PREMIUM
    Beginning Year2009
    Ending Year2013
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelXT
    Beginning Year2009
    Ending Year2009
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelXT LIMITED
    Beginning Year2008
    Ending Year2010
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelX TOURING
    Beginning Year2011
    Ending Year2013
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelXT PREMIUM
    Beginning Year2010
    Ending Year2013
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelFORESTER
    SubmodelXT TOURING
    Beginning Year2011
    Ending Year2013
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    Submodel2.5 GT
    Beginning Year2009
    Ending Year2010
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    Submodel2.5I
    Beginning Year2007
    Ending Year2011
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    Submodel2.5I PREMIUM
    Beginning Year2010
    Ending Year2011
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    SubmodelBASE
    Beginning Year2012
    Ending Year2016
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    SubmodelLIMITED
    Beginning Year2012
    Ending Year2016
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    SubmodelOUTBACK SPORT
    Beginning Year2007
    Ending Year2011
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    SubmodelPREMIUM
    Beginning Year2012
    Ending Year2016
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.
  • MakeSUBARU
    ModelIMPREZA
    SubmodelSPORT LIMITED
    Beginning Year2012
    Ending Year2016
    DrivetrainAWD
    Bushing PositionRear differential
    Application NotesDifferential inserts.

Loading compatibility information...

Keep shopping

More from Whiteline