Replacement Carburetor 640065A for OHV110 OHV115 OHV120 Engines Key benefits Restores proper fuel delivery and idle control for reliable starts and smoother running. Direct replacement designed to match original mounting, fuel, and throttle connections, minimizing installation time. Durable metal construction for long service life under normal operating conditions. Compatible with engines rated 13.5HP, 14HP, and 15HP to keep lawn and garden equipment performing as intended. What this carburetor does This carburetor is built to part number 640065A and 640065 on compatible overhead valve engines. It regulates the air fuel mixture, idle speed, and throttle response so the engine starts easily, runs smoothly across RPM ranges, and recovers from load changes without stalling. Compatibility and specifications Replacement part numbers: 640065A, 640065 Compatible engine models: OHV110, OHV115, OHV120 Horsepower: 13.5HP, 14HP, 15HP Compatible equipment and reference numbers: Tractor, MTD, Yard Machine; also fits engines referencing 520952 and 056316 Form factor: Direct fit to OEM mounting and linkage locations for these engine models Why customers choose this carburetor Problem solver: Replaces clogged, leaking, or worn carburetors to eliminate hard starting, rough idle, and poor acceleration. Time saver: Matches OEM attachment points and linkages so no major modifications are required. Performance: Restores correct fuel metering to help maintain engine power and fuel efficiency in typical lawn and garden use. Typical applications Garden tractor maintenance: a failing carburetor on a 14HP garden tractor to restore smooth towing and cutting performance. Seasonal tune up: Install during spring service to a carburetor affected by ethanol fuel deposits or long storage. Equipment : Swap in this unit on MTD and Yard Machine models that use OHV110 OHV115 or OHV120 engines when original carburetor numbers match 640065 or 640065A. Installation notes Intended as a direct replacement for matching engine and part numbers. Basic hand tools and mechanical experience are recommended. Inspect fuel lines, gaskets, and linkage during installation and any damaged components for results. Reliable replacement for maintenance and If your engine shows signs of poor fuel delivery, this carburetor provides a straightforward, compatible replacement for the listed OHV engine models and reference numbers, helping your mower or tractor to dependable operation.