Heating and Cooling› Fluid Cooler Pumps

Engineered Marine Products

RECTIFIER & REGULATOR ASSEMBLY

$47.39

SKU: E051 300-01402

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 Engineered Marine Products 300-01402 is a rectifier and regulator assembly designed for marine applications. This unit features a 4-wire configuration and operates at 4-5 amps.

It is compatible with Johnson/Evinrude 2-cylinder outboards from 1977 to 2006, covering 9.9 to 30 horsepower engines. This assembly also replaces BRP part numbers 581778, 582304, and 581366, and crosses with Sierra part number 18-5709.

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

BrandEngineered Marine Products
Part NumberE051 300-01402

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