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Genuine Subaru Impreza Mainshaft Washer

Mainshaft Oil Washer
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4 Mainshaft Washers found

  • Diagram for Subaru Impreza Mainshaft Washer - 903200005
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    Subaru Impreza Washer SPR D8

    Part Number: 903200005
    $0.42 MSRP: $0.70
    You Save: $0.28 (40%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: Spring Washer
    • Replaces: 032008001, 032008201, 032008000
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 1993-2021 Subaru Impreza | 2.5 GT, 2.5i, 25i, Base, Brighton, L, L+, LE, Limited, LS, LX, Outback, Outback Sport, Premium, RS, Sport, Sport Limited, STI, STI Limited, STI Special Edition, STI Sport, TS, WRX, WRX Sport, WRX TR, WRXSS | 1.8L H4, 2.0L H4 Turbo, 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 SOHC, 2.5L H4 Turbo
  • Diagram for Subaru Impreza Mainshaft Washer - 803522030
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    Subaru Impreza Washer

    Part Number: 803522030
    $1.98 MSRP: $2.75
    You Save: $0.77 (28%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: Locking Washer
    • Manufacturer Note: 22X38X2
    • Replaces: 841844100
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 1993-2021 Subaru Impreza | 2.5i, 25i, Base, Brighton, L, L+, LE, Limited, LS, LX, Outback, Outback Sport, Premium, RS, Sport, Sport Limited, TS, WRX, WRX Sport, WRX TR, WRXSS | 1.8L H4, 2.0L H4 Turbo, 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 SOHC, 2.5L H4 Turbo
  • Subaru Impreza Mainshaft Washer - 803518020
    Diagram for Subaru Impreza Mainshaft Washer - 803518020
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    Subaru Impreza Washer

    Part Number: 803518020
    $3.04 MSRP: $4.22
    You Save: $1.18 (28%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Locking Washer
    • Manufacturer Note: 18X30X2
    • Replaces: 841748600
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 1993-2021 Subaru Impreza | 2.5i, 25i, Base, Brighton, L, L+, LE, Limited, LS, LX, Outback, Outback Sport, Premium, RS, Sport, Sport Limited, TS, WRX, WRX Sport, WRX TR, WRXSS | 1.8L H4, 2.0L H4 Turbo, 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 SOHC, 2.5L H4 Turbo
  • Subaru Impreza Mainshaft Washer - 803015081
    Diagram for Subaru Impreza Mainshaft Washer - 803015081
    View related parts
    Product Specifications
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 1993-1994 Subaru Impreza | Base, L, L+, LE, LS | 1.8L H4

Subaru Impreza Mainshaft Washer

The Subaru Impreza Mainshaft Washer is known for providing optimal spacing to the gears. Not only does this keep the gear shifting of manual transmission nice and clean, but it also extends the life of the components. Finally, it enjoys a reputation for being reliable and performing well in everyday driving scenarios as well as spirited runs. Located between the hub and gears, the Mainshaft Washer prevents all axial play, so that every ratio is fully meshed and the synchronizers can engage without grind or pop out. It is an ideal upgrade for any Impreza model from the first 1990s series to the fifth generation. Constructed from hardened steel, the Mainshaft Washer is designed to resist scoring at higher RPMs near 6,000, giving it a longer lifespan than earlier variations but the same thickness. It is plug and play into older Subaru gearboxes without altering the ratio. Because the Mainshaft Washer keeps the gears aligned at all times, the transmission can run cooler, reducing parasitic drag and increasing fuel economy. This efficiency gain works in concert with the balanced boxer engine feel common to every Subaru drive. Safety also benefits since a gearbox that stays in the chosen gear will not have a sudden loss of drive on slippery roads. This is especially important for all-wheel-drive Impreza variants that rely on uninterrupted torque flow. A wide-ranging ownership base is supported with one Mainshaft Washer solution, as compatibility extends to four-door sedan, five-door hatch, and the classic coupe body styles. Each Mainshaft Washer comes pre-spec checked to the correct tight Subaru tolerances, so you can install with confidence and be on your way fast. Ongoing observation of the Mainshaft Washer during fluid exchanges for wear, along with the use of an authentic Subaru part, guarantees proper operation of every Impreza transmission. The upgraded durability, cross-generation compatibility, and measurable improvements in smoothness of this small Mainshaft Washer distinguish it within the competitive automotive landscape, highlighting how even one washer can maintain Subaru's long-standing promise of confident and capable Impreza motoring.

Our website stands as the go-to online destination for OEM Subaru Impreza Mainshaft Washer. With complete lines of genuine Subaru Impreza Mainshaft Washer available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

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