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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. In stock at 1 location (more than 10 available)

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Description

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

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.

Additional Information

Whiteline Differential - mount in cradle bushing.

Data: v4.2 - Upd: 2026-11-08 20:09:01

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.

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)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 20:15:31

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Whiteline, WHITELINE PERFORMANCE
StreetFX SKU whlKDT903
SFX Item ID 4325777
Accounting SKU whl-KDT903
Manufacturer SKU KDT903
Manufacturer UPC 9319924358762
Alternative References KDT903, WHL-KDT903

Differential Housing Mount Bushings, Polyurethane, Black, Rear, Subaru, Kit

Keep your vehicle's pinion angles right and the rear-end on track with Whiteline differential housing mount bushings. These bushings fill the voids in the mount, reducing differential movement, which maximizes power being transferred to the wheels. When you want more predictable handling, add Whiteline differential housing mount bushings.

Product Attributes
UPC9319924358762
BrandWHITELINE
NotesIncludes 4 insert bushings, 2 washers, installation guide and assembly grease.
QuantitySold as a kit.
Part TypeDifferential Housing Mount Bushings
Product LineWhiteline Differential Housing Mount Bushings
Bushing ColorBlack
Bushing MaterialPolyurethane
Special AttentionDifferential inserts.
Manufacturer's Part NumberKDT903

Compatibility

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