STM

Power Steering Reservoir

$199.00

SKU: STM-EVO89-RES-PS

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

Hand-crafted and TIG welded with back-purging, this reservoir offers enhanced durability and a clean aesthetic. It is available in three finishes: brushed aluminum, gloss black powdercoat, and wrinkle black powdercoat, allowing for customization to match your engine bay. Constructed from lightweight aluminum, the reservoir weighs only 0.96 pounds and is designed to bolt directly to the factory location, reusing your original rubber bushings for mounting. It comes complete with a new STM black cap and O-ring, stainless steel hardware, hose clamps, and a brass drain fitting, simplifying the installation process. The reservoir replaces OEM part number MR961777. STM products are proudly made in the USA and come with a lifetime warranty against manufacturing defects for the original purchaser. Installation notes specify reusing factory rubber bushings and mention that three hose clamps are included to ensure all visible clamps match. This power steering reservoir is designed for the 2003-2006 Mitsubishi Evolution VIII and IX models. However, please note that fitment with JDM models has not yet been confirmed, as they may have a different OEM part.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSTM
Part NumberSTM-EVO89-RES-PS
CategorySteering and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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