Czsmbt Carburetor Replacement for 14–18 HP Intek Engines 331877 — Direct-Fit OEM-Style Fuel Metering

Replacement carburetor 331877 for select 14–18 hp Intek engines restores correct fuel delivery and throttle response as a direct-fit swap.

If your lawn mower or small engine with a 14–18 hp Intek motor is running rough, stalling, or showing poor throttle response, a worn or damaged carburetor is a common cause. The Czsmbt 331877 carburetor is built to match original equipment specifications and replaces multiple OEM part numbers including 594593, 591731, 796109, 796078 and 590400, making it a practical service part to return your engine to reliable operation.

Will this 331877 carburetor fit my engine model?

The 331877 unit is designed for 14–18 hp Intek engines and is listed as a direct replacement for several OEM part numbers. Check your engine model and existing part number to confirm compatibility before purchasing.

• Fits 14–18 hp Intek engines common on lawn tractors and walk-behinds
• Replaces OEM numbers: 594593, 591731, 796109, 796078, 590400
• Direct bolt-on shape and bore sizing to match original part

How difficult is installation and what tools are needed?

Installation is straightforward for anyone comfortable with basic small-engine maintenance. You’ll remove the air cleaner and old carburetor, transfer linkages and gaskets, then install the new unit and reconnect fuel and throttle components.

• Basic hand tools: socket set, screwdrivers, pliers
• Gasket sealer or new mounting gasket recommended
• Estimated time: 30–60 minutes for most owners

What can I expect in terms of performance and durability?

This replacement carburetor is built to OEM-style tolerances to restore proper fuel metering and reliable starting. While parts wear differently, proper installation and clean fuel/air systems help maximize service life.

• Restores consistent fuel flow and idle stability
• Made to match original throttle and choke linkages
• Backed by a one-year satisfaction service policy

What warranty and support does Czsmbt provide?

Czsmbt includes a one-year service promise: if you're not satisfied, request a refund or a replacement. Keep your order details and photos of the unit and engine for faster support.

• One-year coverage for defects or fitment issues
• Refund or replacement offered for unresolved problems
• Customer service available for fitment guidance

Who is this for: The Czsmbt 331877 carburetor is intended for DIY mechanics, lawn care professionals, and homeowners who maintain 14–18 hp Intek-powered equipment and need a reliable, direct-replacement carburetor to restore proper fuel delivery. Choose this part if you want an OEM-compatible swap for models using part numbers 594593, 591731, 796109, 796078, or 590400 and prefer a straightforward installation with one-year support.