Homelite 570781001 Primer Bulb Assembly

Product Description

The HOMELITE 570781001 is a replacement primer bulb assembly designed for use in small gasoline-powered outdoor power equipment. The primer bulb draws fuel from the tank into the carburetor circuit, purging air and ensuring consistent fuel delivery before startup. This assembly is a direct OEM-style replacement intended for technicians and service professionals performing carburetor maintenance or fuel system repairs on compatible HOMELITE equipment. Proper function of the primer bulb is critical to reliable cold starts and consistent engine performance.

This primer bulb assembly is used in residential lawn and garden equipment serviced by small-engine technicians. It is a common wear item replaced during routine carburetor rebuilds or when the bulb shows cracking, stiffness, or failure to draw fuel. The assembly is suited for seasonal maintenance programs and field repairs on handheld and walk-behind HOMELITE power equipment.

Key Features

• OEM part number 570781001 ensures direct fitment for compatible HOMELITE equipment
• Primer bulb assembly design simplifies replacement as a complete unit
• Restores proper fuel priming function to the carburetor circuit
• Suited for small-engine technicians performing fuel system maintenance

Compatibility

Designed as an OEM-style replacement primer bulb assembly for compatible HOMELITE lawn and garden power equipment. Verify fitment against the equipment model number before installation.

Installation Notes

Installation should be performed by a qualified small-engine technician. Before beginning, disconnect the spark plug wire to prevent accidental engine startup and relieve any residual fuel pressure in the line. Ensure the fuel tank is drained or clamped off before removing the old bulb assembly to avoid fuel spillage. Follow the equipment manufacturer's service documentation for proper seating and fuel line routing.

Technical Specifications

• Part Type: Primer Bulb Assembly

Standard Information

• Brand: HOMELITE
• Manufacturer Part Number: 570781001