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Carburetor Gasket and air guide

Small engine carburetor gasket. If the gasket is torn or damaged the engine may run rough.

Carburetor gasket. If this gasket is torn or damaged, the engine may run rough. Be sure to clean the surfaces around the carburetor gasket before installing it.

Honda insulator gasket.

Gasket set-valve

Carburetor gasket.

Gasket-float bowl

Briggs & Stratton rocker cover gasket. Be sure that all surfaces are clean and dry before installing this gasket. Do not use solvents or gasket sealer on this gasket.

Gasket

Gasket, air cleaner

Carb float bowl gasket set

Dust seal (12.7mm)

Gasket-exhaust

Honda carburetor insulator.

Oil seal, magneto side
Gaskets and seals are the unsung heroes keeping your Honda lawn mower running tight and leak-free. From the carburetor to the engine block, these precision parts prevent oil and fuel leaks that can damage your mower's performance and can create compatibility or performance problems. We stock genuine OEM Honda gaskets and seals engineered to exact specifications for your specific model.
Don't settle for aftermarket alternatives that may wear out faster or fail to seal properly. Honda lawn mower gasket and seal parts from Repair Clinic fit right the first time, protecting your investment for seasons to come.
Gaskets dry out and harden over time, especially if your mower sits unused for months. Temperature changes and ethanol-blend fuel accelerate this breakdown. A compromised gasket loses its ability to compress and seal properly, allowing oil to seep out. Replacing the failed gasket with an OEM Honda part restores the seal and prevents further damage to your engine.
No—gaskets are designed for single use only. Once removed, they lose their compression and sealing properties permanently. Even a "clean" old gasket won't seal as effectively as a fresh OEM part. Reusing it risks leaks that can contaminate your oil and ruin your engine.
Wipe the engine dry, run the mower briefly, then stop and inspect where oil collects. Carburetor gaskets leak near the fuel intake; crankcase seals leak near the bottom of the engine block; oil drain gaskets fail at the plug point. Once you spot the leak location, you've found your part. Use your model number to order the exact replacement.
Check the frame or engine block—Honda stamps the model number on a metal plate. It's usually located near the engine or on the deck chassis. Search that model number in our parts finder and filter by gasket type to locate your exact part.


Ensure your Honda Lawn Mower operates smoothly with genuine OEM gasket and seal parts from Repair Clinic. Replacing mower gaskets and seals is key to prevent oil and fuel leaks, ensuring optimal engine performance and longevity. Quickly find the exact part for your Honda model using our part number lookup tool, and enjoy the convenience of same-day shipping and our Price Match Guarantee. If you need installation assistance, check out our Lawn Mower Repair Help page. For more options, browse other Lawn Mower Gasket & Seal Parts.
On Honda lawn mowers, look for the model number on a metal tag or label attached to the deck or frame. Honda commonly places this information near the blade housing, engine area, or rear frame, though the exact spot varies by mower series. Copy the complete model number, including all letters and numbers, rather than the engine identification. Enter it in the Repair Clinic search bar to narrow the complete catalog to Honda parts that fit your mower. The model number applies to the whole unit, helping match gaskets, seals, and every other associated part. This gives you a faster, more accurate fit check and helps prevent ordering the wrong replacement.

Getting your Honda Lawn Mower back in working order is easier with the right online resources. Troubleshooting videos, repair help articles, part testing guides, and wiring diagrams give a clear path from symptom to solution. Once you know the failed part, look it up by model number and follow the installation video to complete the repair.

Repair Clinic has five ways for you to stop your lawn mower from leaking gas. Before we get to those, let's review how the gasoline you pour into the tank powers the mower.

Why does your lawn mower battery keep dying? Repair Clinic has done the research and this article will provide some answers, starting with what a battery's purpose is on a gas-powered lawn mower.

What's causing that black smoke to billow out of the engine? There are three likely reasons and they are all related to how a gas-powered lawn mower engine operates.