What makes Whiteline different from OEM suspension components?

Whiteline suspension products are engineered for performance and durability well beyond OEM standards. While factory (OEM) components often use soft rubber bushings that degrade over time and under load, Whiteline uses advanced polyurethane and bushing technology that resists oil, heat, abrasion, and weathering. This results in sharper handling, more responsive steering, better load control, and significantly improved lifespan — without the harshness of traditional solid bushings.

Do I need a wheel alignment after installing Whiteline components?

It’s recommended to perform a wheel alignment after installation to ensure optimal performance and tire wear.

Are Whiteline Fixed Offset Upper Control Arms (UCAs) necessary for lifted vehicles?

They help maintain correct alignment and steering geometry after a vehicle is lifted.

Can I install Whiteline products myself?

Some products are DIY-friendly, but professional installation is recommended for suspension components.

Do Whiteline products come with a warranty?

Yes. Please refer to our warranty policy for details.

KDT903

Rear Differential Bushings - Mount in Cradle Inserts - Subaru

Rear Differential Bushings - Mount in Cradle Inserts - Subaru

Inserts - installs into voiding of original bushings - positive diff retention

Item Price

$78.88 $63.10

SKU	KDT903
Warranty	3 Years
Installation Time	1.5 Hours
Fitting Position	Rear Upper Rearward

Select your car to check fitment.

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Pre-Order

Available for Preorder. PRE-ORDER - Ships within 7-14 business days.

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.

*Tax is calculated at checkout based on local regions tax laws. For international orders, tax is removed, local import duties or taxes may apply but will not be charged by us.

Specifications

Kit Specifications

Bush Type	Bush Quantity	OD (A)	ID (B)	Length (C)	Flange Thickness (D)	Flange OD (E)	C/Tube Quantity	C/Tube ODxIDxL	Similar Bushing Size
20 - Misc	2 mm								Click Here
20 - Misc	2 mm								Click Here

Bush Type	20 - Misc	20 - Misc
Bush Quantity	2 mm	2 mm
OD (A)
ID (B)
Length (C)
Flange Thickness (D)
Flange OD (E)
C/Tube Quantity
C/Tube ODxIDxL
Similar Bushing Size	Click Here	Click Here

Looking for that hard-to-find part? Start your search here Whiteline Bushing Type & Size Register

Misc. Product Information

More Information
SKU	KDT903
Components Per	4 Insert Bushings, 2 Washers
Kits Required	1
Kit Contents	4 Insert Bushings, 2 Washers, Install Guide, Grease
EAN	9319924358762

Installation & Fitment Guide

More Information
Install Guide	Downloads
Installation Time	1.5 Hours
Installation Difficulty	Tricky installation may take longer then you think if you are not experienced.
Wheel Alignment Required	No

Compatible Vehicles

Select any of the below vehicles to get detailed specifications on how this product interacts with your car. Including fitting positions, time and other vehicle specific information.

Shipping & Returns

Shipping Times

You can use the shipping calculator to find your shipping costs. The shipping calculator will also show all shipping prices.

Returns

We guarantee the fitment and quality of our products, but if you choose to return an item, we offer a generous 60 day returns policy. See our returns policy here.

Warranty

All products sold by Whiteline are covered by a national warranty. The product's warranty is subject to conditions from the date of purchase, unless otherwise stated on the item.

Warranty claims must meet certain criteria and be sent to Whiteline with a receipt to be eligible for a refund. See full warranty claim criteria here.