RADHLBNIU Carburetor Replacement Kit for Kohler KT725–KT745 (22–26HP) — Includes Fuel Pump, Air & Oil Filters

Complete carburetor replacement kit for Kohler 7000-series engines (KT725–KT745) that includes the carburetor, fuel pump, air and oil filters, fuel shutoff, spark plugs and mounting gaskets for a direct swap with 16-853-19S/32-853-67-S style parts.

This RADHLBNIU kit was assembled to restore fuel delivery and filtration on Kohler KT725, KT730, KT735, KT740 and KT745 single-cylinder engines used in residential and commercial mowers. It replaces several OEM part numbers (16-853-19-S, 16-853-19S, 32-853-67-S, 32-853-63S, 32-853-50-S, 32-853-34-S) and bundles the common wear items you’d typically change when servicing the carburetor. The package is intended as a direct-fit upgrade to reduce downtime and avoid multiple orders for individual components.

Will this carburetor fit my Kohler KT725 or KT745 engine?

The RADHLBNIU carburetor is designed for Kohler 7000-series engines KT725 through KT745 with horsepower ratings around 22–26 HP. It matches the mounting flange, throttle linkage and fuel inlet locations used on the listed Kohler models for a straightforward replacement.

• Compatible models: KT725, KT730, KT735, KT740, KT745
• Replaces OEM numbers: 16-853-19-S / 16-853-19S / 32-853-67-S / 32-853-63S
• Fits 22HP–26HP single-cylinder Kohler engines

What parts come in the kit and why each matters?

The kit contains the carburetor plus a selection of filters, gaskets and fittings that address the common failure points when reinstalling or refreshing a carburetor. Including these parts avoids repeat visits and ensures the fuel system and engine breathings are renewed at the same time.

• 1 carburetor for direct replacement
• 1 fuel pump and fuel shutoff valve to restore fuel flow control
• Air filter, oil filter and fuel filter to protect the engine and carburetor jets
• 2 gaskets, 2 spark plugs and 4 hose clamps for installation and sealing

How difficult is installation and what tools are needed?

Installation is intended to be a direct swap using common hand tools; many owners can complete the replacement in an hour with basic mechanical experience. Proper sealing and correct routing of fuel lines are important to avoid leaks—follow safety steps like disconnecting the battery and draining fuel if necessary.

• Typical tools: socket set, screwdrivers, pliers, torque wrench for fasteners
• Steps: remove old carburetor, transfer or replace gaskets, mount new unit, reconnect fuel and throttle linkages
• Tip: replace spark plugs and filters at the same time to simplify maintenance

What performance and reliability improvements should I expect?

Replacing a worn carburetor and the associated filters and fuel pump helps restore consistent fuel metering, easier starting, and more stable idle compared with a degraded fuel system. The included gaskets and clamps are selected to improve sealing and reduce the chance of vacuum or fuel leaks after installation.

• Improved fuel flow and atomization from a fresh carburetor and new fuel pump
• Cleaner intake air and fuel reaching the engine with new filters installed
• Better sealing and fewer fuel leaks with new gaskets and clamps

Who this kit is for: this RADHLBNIU assembly suits homeowners, landscapers and technicians who service Kohler 7000-series engines and want a single-purchase solution for a complete carburetor refresh. It’s ideal when you need to replace a failed carburetor plus the most commonly renewed consumables (air/oil/fuel filters, spark plugs, fuel pump and fittings) to get equipment back into reliable service without sourcing multiple parts.