Non-Automotive / Other

CUMMINS

ONAN CONTROL BOARD

$995.66

SKU: C07J 300-4320

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

Easy — 1–2 hours

Description

An exact replacement for Onan P/N 300-4320, the 56-4320 control fits Microlite Model KY Spec. B-E and is built in the USA with top-quality materials. This new control has been re-designed and improved to eliminate known problems with the AC voltage sensing circuit common in the original. The module is environmentally sealed by encapsulation in automotive-grade urethane, is 100% repairable, and features a two-year warranty.

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

BrandCUMMINS
Part NumberC07J 300-4320

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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