Exterior Components Body Panels and Components

BLUE SEA

PANEL SWITCH H2O CB 4POS SCKT & USB

$87.48

SKU: B03C 4321-BSS

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

Beginner — under 30 min

Description

The Blue Sea Systems 4321-BSS is a 4-position water-resistant circuit breaker switch panel designed for 12V DC systems with a maximum amperage of 45A. It features 1/4" male quick connect terminals and includes stainless steel mounting screws. The panel is constructed from marine-grade polycarbonate/ABS, making it corrosion-proof and flame retardant. It also includes an illuminated 15A circuit breaker.

Fitment

Fitment Guaranteed

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

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Specifications

BrandBLUE SEA
Part NumberB03C 4321-BSS

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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