HD Carburetor Needle and Seat for Tillotson

Carburetor Needle and Seat for Tillotson HD

The Tillotson HD carburetor needle and seat controls fuel flow into the carburetor bowl, sealing when the bowl is full and opening as fuel is drawn into the engine.

Overview

This Tillotson HD carburetor needle and seat is a fuel inlet valve component that regulates fuel delivery inside the carburetor bowl. The needle and seat for Tillotson HD carburetors helps maintain a stable fuel level so the engine runs cleanly under load. It is a practical service part for anyone rebuilding or troubleshooting a Tillotson HD carburetor.

Built For Performance

• Direct replacement for the fuel inlet needle and seat in Tillotson HD carburetors
• Controls fuel level inside the carburetor bowl to support consistent air-fuel delivery
• Seals against fuel pressure when the bowl is full to prevent flooding
• Common wear item included in most Tillotson HD carburetor rebuild kits
• Fits a wide range of small engines that run Tillotson HD series carburetors

On-The-Job Use

• Carburetor rebuilds and fuel system refreshes on Tillotson HD equipped engines
• Diagnosing flooding, rich running, or fuel overflowing the carburetor bowl
• Routine maintenance on chainsaws, go-karts, and other small engine equipment
• Restoring reliable idle and throttle response after a carburetor sits unused

Specs At A Glance

Good To Know

Q: When should the needle and seat be replaced? A: Replace it whenever the carburetor is rebuilt or when symptoms like flooding, fuel overflow, or a rich running condition appear. A worn seat or tip prevents the needle from sealing properly.

Q: Does this come as a complete kit? A: This listing covers the needle and seat for Tillotson HD carburetors as described in the title. Check your carburetor model and any existing rebuild kit contents before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.