Exterior Components› Body Panels and Components

Johnson Pump

CARTRIDGE AERATOR PUMP 500 GPH 12V STR.

$68.47

SKU: J02C 28503

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Johnson Pump 28503 is a 12V cartridge aerator pump designed for livewell and baitwell applications. It offers a flow rate of 500 GPH and features a straight intake configuration. This pump is built for reliable service in both freshwater and saltwater environments, providing efficient water circulation.

Designed for convenience, the 28503 has a compact profile that fits into confined spaces and allows for tool-free maintenance. The motor cartridge is easily replaceable, simplifying upkeep.

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

BrandJohnson Pump
Part NumberJ02C 28503

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.

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