HandsOnFix — DIY small engine repair

Equipment reference

Toro 20340

Part numbers below are matched to this exact model and shown with their source. For a problem-specific diagnosis — not just a parts list — run the free guided test.

Run a free diagnosis

Air cleaner cartridge (pleated paper)

Likely

Changed partway through production: Applies to serial numbers 400000000 and higher, which is the modern EXi-generation range Toro's own spec page and third-party catalogues agree on. Toro has also sold this model number with older serials (some as low as the 290000000s); those are a different, earlier engine generation and are NOT covered by this record.

Blade driver (adapter)

Likely

Changed partway through production: Covers SN 401500000 through 404329999; Toro reuses this model number across other serial ranges.

Blade, 22 inch

Likely

Changed partway through production: Toro lists this model across several serial ranges and the parts can differ between them; this row covers SN 401500000 through 404329999.

Carburetor

Likely

Changed partway through production: Applies to serial numbers 400000000 and higher, which is the modern EXi-generation range Toro's own spec page and third-party catalogues agree on. Toro has also sold this model number with older serials (some as low as the 290000000s); those are a different, earlier engine generation and are NOT covered by this record.

Carburetor overhaul kit (later code dates)

Likely

This model was built with more than one part here — check your serial number or engine TYPE against the options below before ordering.

Cylinder head gasket

Likely

Changed partway through production: Applies to serial numbers 400000000 and higher, which is the modern EXi-generation range Toro's own spec page and third-party catalogues agree on. Toro has also sold this model number with older serials (some as low as the 290000000s); those are a different, earlier engine generation and are NOT covered by this record.

Ignition coil (magneto armature)

Likely

Changed partway through production: Applies to serial numbers 400000000 and higher, which is the modern EXi-generation range Toro's own spec page and third-party catalogues agree on. Toro has also sold this model number with older serials (some as low as the 290000000s); those are a different, earlier engine generation and are NOT covered by this record.

Rewind (recoil) starter assembly

Likely

Changed partway through production: Applies to serial numbers 400000000 and higher, which is the modern EXi-generation range Toro's own spec page and third-party catalogues agree on. Toro has also sold this model number with older serials (some as low as the 290000000s); those are a different, earlier engine generation and are NOT covered by this record.

Rocker cover gasket

Likely

Changed partway through production: Applies to serial numbers 400000000 and higher, which is the modern EXi-generation range Toro's own spec page and third-party catalogues agree on. Toro has also sold this model number with older serials (some as low as the 290000000s); those are a different, earlier engine generation and are NOT covered by this record.

Spark plug (resistor)

Likely

Changed partway through production: Applies to serial numbers 400000000 and higher, which is the modern EXi-generation range Toro's own spec page and third-party catalogues agree on. Toro has also sold this model number with older serials (some as low as the 290000000s); those are a different, earlier engine generation and are NOT covered by this record.

Not sure which of these your problem needs?

Run the guided diagnosis first — it tests your actual symptom and tells you exactly which part above applies, or whether the fault is somewhere else entirely.

Start free diagnosis