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  • Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
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Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
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204-261-3003

Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI

Cusco
cus692-008-AL
$1,492.50 $1,343.99
Enhance your Subaru WRX STI’s drivetrain with the Cusco Increased Capacity Rear Differential Cover for the...
$1,343.99
Cusco Increased Capacity Rear Differential Cover Silver R180 2004-2021 STI
Cusco Increased Capacity Rear Differential Cover Silver R180 2004-2021 STI
$1,492.50 $1,343.99
Cusco Aluminum Pulley Set 2002-2014 WRX / 2004-2021 STI / 2005-2009 LGT
Cusco Aluminum Pulley Set 2002-2014 WRX / 2004-2021 STI / 2005-2009 LGT
$810.00 $728.99
Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI
Description

Enhance your Subaru WRX STI’s drivetrain with the Cusco Increased Capacity Rear Differential Cover for the R180. Designed as a direct replacement for the factory cover, this premium billet aluminum upgrade improves oil capacity and cooling, ensuring your differential performs optimally under demanding driving conditions. Its striking blue anodized finish adds a durable, high-quality look to your vehicle’s rear end.

This rear differential cover increases oil capacity from the factory 0.8–0.9L to 1.2–1.3L, helping reduce heat buildup during circuit racing, autocross, or spirited weekend drives. Internal baffling and heat sink fins improve oil circulation and cooling efficiency. It also features pre-tapped M16 x P1.5 holes for an optional external oil cooler installation and includes four hole plugs for customization. Note that Subaru OEM breather cap and gasket are required for installation.

Ideal for Subaru enthusiasts seeking reliable, track-ready drivetrain upgrades, this Cusco cover delivers durability and performance.

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