GENRICS Carburetor Replacement Kit for 17.5–21HP Lawn Mowers & Tractors – 33M777/331977 Compatible

Overview

The GENRICS Carburetor Replacement Kit is designed to restore dependable fuel delivery for select 17.5–21HP engines used in lawn mowers and compact tractors. Rather than a basic refurb, this kit offers a complete swap option that can help your equipment run smoothly again, with an emphasis on reliable materials and straightforward installation.

Ideal for seasonal maintenance or when the original carburetor shows signs of wear, this kit provides a practical pathway to a more consistent idle, stable fuel-air mix, and preserved engine responsiveness. While not a guarantee of performance, users often notice improvements in starting ease and smoother operation after a standard replacement.

Compatibility and fit

Designed to work with a range of engine models and horsepower, this kit supports several popular configurations used on lawn mowers and small tractors. The fit is particularly suitable for engines within the 17.5HP to 21HP range, and for common model families listed below. Always verify compatibility with your specific model before purchasing to ensure a proper match.

Key compatibility highlights include engine families and part numbers associated with these replacement carburetors, helping you identify an appropriate swap if you’re upgrading worn parts or restoring peak performance.

What’s included

• 1x Carburetor
• 1x Gasket
• 1x Fuel line

Why choose GENRICS

Excellent materials and a focus on stable, reliable performance define this kit. The components are selected to facilitate an easy install, making it a practical option for DIY enthusiasts and service shops alike. The package provides the essential pieces you need for a straightforward replacement without missing parts.

Compatibility at a glance

• Engine models: 33M777, 33M677, 331977, 331877, 331777, 310677
• HP range: 17.5HP, 19HP, 19.5HP, 21HP
• Related part numbers: 796587, 591736, 594601, 591731, 796109, 594593

Usage notes

Before purchasing, please carefully check whether the components are suitable for your model. This helps ensure a proper fit and optimal performance after installation. If you’re unsure, consult your equipment’s service manual or contact a qualified technician.