Mastercut Engine Parts

Flat washer used to secure the idler pulley assembly on lawn tractors and outdoor power equipment. Replace if washer is bent, missing, or worn.

Thumb screw that secures the air cleaner assembly on lawn mower and small engines. Replace if damaged, stripped, or missing due to vibration.

Fuel cap assembly for lawn mowers and garden equipment. Seals the fuel tank to prevent spills and odors. Replace if cracked, worn, or missing seal.

Ignition coil for small engines on lawn and garden equipment. Replace if cracked, damaged, or worn. Includes spark plug boot and wire assembly.

Fuel cap for gas-powered engines and outdoor power equipment. Seals fuel tank to prevent debris, dirt, and air contamination. Replace if cracked or loose.

Engine won't start when you pull the cord? This recoil starter assembly replaces broken pulleys, frayed ropes, or damaged springs. Simple 3-screw install.

Bell washer for lawn mowers and tractors. Installs to secure components and prevent loosening. Replace if cracked, worn, or missing for proper assembly.

Oil fill plug assembly for small engines. Seals the oil fill opening to prevent leaks. Replace if cracked, stripped, or missing to maintain proper seal.

Vents air into the fuel tank while preventing emissions from escaping. Replace if cracked, brittle, or leaking to restore proper engine ventilation.

Replacement torsion spring for lawn and garden equipment engines. Creates tension between levers and components. Replace if broken, overstretched, or distorted.

Hex lock nut secures bolted joints on outdoor lawn equipment. Replace if threads are stripped, nut is missing, or won't hold proper tension.

Ball bearing for lawn mower drive pulleys. Reduces friction and supports axial and radial loads. Replace if you hear grinding or squealing from pulley.

Fuel filter for small engines on snowblowers, tillers, and lawn equipment. Replace annually or if engine runs rough to ensure clean fuel flow. Verify fit with your model number.

Starter rope won't retract after pulling? This recoil pulley and spring assembly fixes rope retraction issues on mowers and small engines. Direct fit.

Carburetor gasket for walk-behind mowers. Replace when you notice fuel leaks, hard starting, or during carburetor service. Verify fit with your model.

Replace a cracked or broken ignition coil on your walk-behind lawn mower. This part sends power to the spark plug and may need replacement if damaged.