Which cars does the Pillowball Rear Lateral Link, Rear Side for 2004 GDF fit?

Cusco USA lists part number 669 474 LB for the 2004 Subaru Impreza WRX STI (GDF, Applied C and D models). The Pillowball Rear Lateral Link, Rear Side for 2004 GDF bolts on in place of the factory link. Cusco lists it for Applied C and D models only, so check the build date before ordering.

Why use pillowball rod ends instead of rubber bushings?

A rubber bushing lets the link move under load, which allows the wheel alignment to shift as the car corners, brakes and accelerates. A pillowball rod end holds the geometry steady, so the car responds more precisely and the alignment stays where it was set. The trade-off is more road noise and harshness in the cabin.

Is it suitable for daily driving?

Yes, for most enthusiasts. Pillowball joints pass more noise and vibration into the car than rubber, and they need periodic inspection for play, especially on cars driven through winter road salt. Owners who want the quietest ride may prefer to keep rubber bushings and adjust the alignment within the factory range.

Is an alignment needed after fitting?

Yes. Any change of suspension link moves the wheel alignment, and an adjustable link is only useful once it has been set on an alignment rig. Have a four-wheel alignment done straight after installation, and again after any change of ride height or link length.

Can it be fitted with the factory link on the other side?

Yes. The links work independently, so one link can be replaced on its own. Many owners replace both the front-side and rear-side lateral links together, which gives the widest range of toe adjustment and removes the most rubber from the rear suspension. Both are listed separately by Cusco for these cars.

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Description

Cusco Pillowball Rear Lateral Link, Rear Side for 2004 GDF Subaru Impreza WRX STI

Cusco’s Pillowball Rear Lateral Link, Rear Side for 2004 GDF Subaru Impreza WRX STI replaces the factory rear lateral link on the rear side of the rear knuckle with an adjustable link that runs a pillowball rod end in place of the factory rubber bushing. The length can be set across a range of plus 15 mm to minus 5 mm, per Cusco, so rear toe can be dialed in for a lowered car or a track alignment, and the pillowball keeps that setting from moving under load. It suits a car that is lowered, driven on track, or both.

Design and Performance

The rear lateral links locate the rear wheel side to side and set its toe angle. The factory links use rubber bushings that flex under cornering and braking loads, letting toe change mid-corner and making the rear of the car feel vague. The Pillowball Rear Lateral Link, Rear Side for 2004 GDF swaps that rubber for a pillowball rod end and makes the length adjustable, so the alignment can be set exactly and then stays put when the car is loaded hard.

Features

Pillowball rod end in place of the factory rubber bushing
Adjustable length for setting rear toe
Adjustment range plus 15 mm to minus 5 mm, per Cusco
Holds alignment steady under cornering and braking loads
Bolts on in place of the factory link

Specifications

Cusco part number: 669 474 LB
Type: Rear lateral link, rear side
Joint: Pillowball rod end
Adjustment range: plus 15 mm to minus 5 mm
Adjusts: Rear toe
Position: Rear suspension
Fitment type: Direct replacement for the factory link

Applications

Subaru Impreza WRX STI: GDF | 2004-2007 | Applied C (2003) – D (2004) models only

Notes

A four-wheel alignment is needed after installation; installation labor is not included
Cusco lists this link for Applied C and D models only; the 2005 to 2007 STI uses Cusco part 672 474 LB

Frequently Asked Questions

Which cars does the Pillowball Rear Lateral Link, Rear Side for 2004 GDF fit? Cusco USA lists part number 669 474 LB for the 2004 Subaru Impreza WRX STI (GDF, Applied C and D models). The Pillowball Rear Lateral Link, Rear Side for 2004 GDF bolts on in place of the factory link. Cusco lists it for Applied C and D models only, so check the build date before ordering.
Why use pillowball rod ends instead of rubber bushings? A rubber bushing lets the link move under load, which allows the wheel alignment to shift as the car corners, brakes and accelerates. A pillowball rod end holds the geometry steady, so the car responds more precisely and the alignment stays where it was set. The trade-off is more road noise and harshness in the cabin.
Is it suitable for daily driving? Yes, for most enthusiasts. Pillowball joints pass more noise and vibration into the car than rubber, and they need periodic inspection for play, especially on cars driven through winter road salt. Owners who want the quietest ride may prefer to keep rubber bushings and adjust the alignment within the factory range.
Is an alignment needed after fitting? Yes. Any change of suspension link moves the wheel alignment, and an adjustable link is only useful once it has been set on an alignment rig. Have a four-wheel alignment done straight after installation, and again after any change of ride height or link length.
Can it be fitted with the factory link on the other side? Yes. The links work independently, so one link can be replaced on its own. Many owners replace both the front-side and rear-side lateral links together, which gives the widest range of toe adjustment and removes the most rubber from the rear suspension. Both are listed separately by Cusco for these cars.

About CUSCO

CUSCO is the brand of Carrosser Co., Ltd., founded in December 1977 and based in Takasaki, Gunma Prefecture, Japan. Carrosser designs and builds coilovers, limited-slip differentials, clutches, roll cages and chassis parts, sells its steel cages under the Safety 21 name, and competes in every All Japan Championship category from circuit racing to rally and gymkhana. CUSCO USA, a division of Carrosser, is based in Huntington Beach, California.

Additional Information

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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Cusco Pillowball Rear Lateral Link, Rear Side for 2004 GDF Subaru Impreza WRX STI [669 474 LB]

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Cusco Pillowball Rear Lateral Link, Rear Side for 2004 GDF Subaru Impreza WRX STI

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About CUSCO

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