951-14423 Carburetor Kit Compatible with Lawn Mower Cub Cadet ST100 SC100 SC500 Craftsman MTD 159cc Engine - Replaces 751-14423 951-14423-CM 951-05531 - Includes Air Filter & Spark Plug

Key Features

• Direct replacement carburetor for specified 159cc engines.
• Complete kit includes 1 carburetor, 1 air filter, 1 spark plug, 3 gaskets, 2 fuel filters, and 1 fuel line.
• Pre-calibrated for standard operation.
• Designed to meet original equipment specifications for fit and function.

Replaces / Cross-Reference Part Numbers

• 951-14423
• 751-14423
• 951-14423-CM
• 951-05531
• 951-10298
• 5X65RU
• 6X65RU

Compatibility & Fitment

• Engine: Fits specific MTD 159cc engines, including models 5X65RU and 6X65RU.
• Cub Cadet Models: ST100, SC100, SC100HW, SC300HW, SC500, SC500EZ, SC500HW, SC500Z, LE100 Edger.
• Craftsman: Compatible with select models using the listed part numbers.
• MTD: Compatible with select models using the listed part numbers.
• Troy-Bilt: Compatible with select models using the listed part numbers.

When to Replace

• Engine will not start or is hard to start.
• Engine runs rough, stalls frequently, or surges.
• Black smoke from exhaust, indicating a rich fuel mixture.
• Fuel leaks from the carburetor body or gaskets.
• Noticeable decrease in engine power or fuel efficiency.

Installation Tips

• Disconnect the spark plug wire for safety before starting installation.
• Photograph the existing fuel line and linkage connections for reference.
• Use a fuel line clamp or drain the fuel tank to prevent spills.
• Clean the mounting surfaces thoroughly to ensure a proper seal with new gaskets.
• Inspect and replace the fuel line if it appears cracked or brittle.
• After installation, check for fuel leaks before starting the engine.