DFuerdivn Carburetor for Tecumseh OHH45- OHH65 Engines, Includes Gasket, OEM Fit

DFuerdivn's aftermarket carburetor replaces Tecumseh 640025 series carbs for OHH45–OHH65 engines and includes a free gasket for a complete fit.

This aftermarket replacement carburetor is built to match the fit and function of Tecumseh part numbers 640025, 640025A/B/C, 640014 and 640004. It's intended for small OHV lawn and outdoor power equipment engines — models OHH45, OHH50, OHH55, OHH60 and OHH65 — and arrives with a gasket to simplify installation. The unit is offered by DFuerdivn and is backed by a 90-day money-back guarantee plus a lifetime warranty against manufacturer defects.

Will this carburetor fit my Tecumseh engine?

Compatibility covers a wide range of Tecumseh OHH/OH series engines commonly used in walk-behind mowers and small equipment. Confirm your engine model and cross-check the referenced part numbers to ensure a match.

• Fits Tecumseh models OHH45, OHH50, OHH55, OHH60, OHH65 (4.5–6.5 HP).
• Compatible with OEM numbers 640025, 640025A/B/C, 640014, 640004.
• Replaces manufacturer references 5028, 5044, 5087, 5243, 5333.
• Also used on engine codes like OHH60-71123C, OHH55-69012C and similar variants.

How simple is the installation and what comes in the box?

The carburetor installs using the existing mounting points on compatible engines and includes a gasket so you can replace the old unit without sourcing extra parts. Basic hand tools are usually sufficient for the swap.

• Includes DFuerdivn carburetor and a free replacement gasket.
• No special tools required—standard wrenches and screwdrivers suffice.
• Install time typically ranges from 30–60 minutes for someone familiar with small engines.
• Follow common safety steps: disconnect spark plug and drain fuel as needed.

What performance and quality should I expect from this aftermarket unit?

As a non-original aftermarket replacement, this carburetor is designed to restore reliable fuel delivery and consistent engine running when the OEM carburetor is worn or clogged. It aims to match OEM clearances and fuel passages for normal operation.

• Restores even idling, smoother throttle response and easier starts when installed correctly.
• Manufactured to match common Tecumseh carburetor dimensions and jet sizes.
• Backed by a 90-day refund policy and lifetime warranty against defects.
• Not an original Tecumseh part—verify physical dimensions and linkages before ordering.

Who is this for?

This DFuerdivn carburetor is intended for DIYers, small-engine repair shops and equipment owners who need a cost-effective replacement for a worn or damaged Tecumseh carburetor on OHH/OH series engines. If you maintain lawn mowers, generators or other small outdoor equipment with a Tecumseh OHH45–OHH65 engine and you need a direct-fit carburetor plus gasket, this offers a practical, warranty-backed alternative to sourcing OEM parts. Always confirm compatibility with your engine model and part number list before purchase to ensure proper fit and performance.