Walbro 166-55-8 Lever Metering Component

Product Description

The WALBRO 166-55-8 is a lever metering component used in small-engine carburetor assemblies. This part controls fuel metering within the carburetor by regulating the position of the inlet needle relative to the metering diaphragm. Proper lever height and condition are critical to maintaining correct fuel delivery and engine performance. The 166-55-8 is a genuine WALBRO replacement part, suited for installation by small-engine technicians and experienced service professionals working on lawn and garden equipment.

This lever metering component is designed for use in WALBRO carburetors commonly found in handheld and walk-behind lawn and garden equipment, including string trimmers, chainsaws, blowers, and similar two-cycle or four-cycle small-engine applications. It is a service-level replacement part typically installed during carburetor rebuild or overhaul procedures when the original lever is bent, worn, or set to incorrect height.

Key Features

• Genuine WALBRO replacement lever metering component
• Regulates inlet needle position to maintain proper fuel metering
• Designed for carburetor rebuild and overhaul service procedures
• Direct OEM-style fit for applicable WALBRO carburetor models

Compatibility

Designed as an OEM-style replacement lever metering part for applicable WALBRO small-engine carburetors used in lawn and garden equipment.

Installation Notes

Installation should be performed by a qualified small-engine technician. Before servicing the carburetor, shut off the fuel supply and allow the engine to cool completely. Lever height must be set correctly during reinstallation to ensure proper fuel metering; consult the applicable WALBRO service manual for the correct setting procedure and tooling. Follow all applicable safety procedures when handling fuel system components.

Technical Specifications

• Part Type: Lever Metering

Standard Information

• Brand: WALBRO
• Manufacturer Part Number: 166-55-8