Honda 31610-Z5K-811ZB Control Box Assembly (EXP-Alert) (Power Red)

The Honda 31610-Z5K-811ZB is a genuine OEM Control Box Assembly (EXP-Alert) (Power Red) designed for GX270 horizontal shaft engines. As a direct Honda OEM replacement, this assembly carries the correct alert logic, wiring configuration, and Power Red finish to match the original unit exactly. Confirm your engine's serial number against the fitment table before ordering, as Honda supersedes control components at specific serial breaks to ensure this is the right assembly for your engine.

Key Features

• Genuine Honda OEM Assembly — sourced directly from Honda, this control box carries the correct EXP-Alert circuitry and alert thresholds engineered for the GX270, not a generic substitute.
• Power Red Color Match — finished in Honda's Power Red to match the original housing; confirm your engine's color variant before ordering if you are unsure which color was fitted from the factory.
• Direct OEM Replacement — replaces the original unit with no adaptation, preserving the GX270's alert and shutdown functionality as designed.
• Serial Number Verification Recommended — Honda updates control assemblies at serial production breaks; check your engine's serial number against the compatibility table to confirm this is the correct assembly for your specific unit.

The Control Box Assembly (EXP-Alert) is the central housing and electronic control unit that manages Honda's EXP-Alert system on GX270 horizontal shaft engines. This system monitors critical engine conditions — typically oil level and other protective parameters — and triggers a warning or automatic shutdown response to prevent engine damage before it occurs. When the control box fails or becomes damaged, the engine's protective alert functions are compromised, leaving the engine vulnerable to undetected faults; replacing it with the correct OEM assembly restores those safeguards to full working order.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.