Engines and Components› Oiling Systems

SIERRAMARINE

IMPELLER (PRICED PER PKG OF 10)

$216.42

SKU: S08C 18-3017-10

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Sierra Marine 18-3017-10 is an impeller designed for MCM and outboard applications. It replaces Mercury/Mariner part numbers 47-89984, 47-89984T4, 47-30221, and 47-65960. This impeller is assembled in Italy and features a brass insert. It is compatible with all #1, R, MR, and Alpha Units through serial number D494568. Additionally, it is used in the raw water pump for specific 190 IB and 225 IB models.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSIERRAMARINE
Part NumberS08C 18-3017-10

Buy with Confidence

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.

View Full Return Policy