Assortment of small engine parts including filters spark plugs and carburetors

Small Engine

Small engine parts keep your outdoor power equipment running at full throttle. Swapping out worn spark plugs, carburetors, and air filters quickly cures hard starts or sluggish power. You can easily tackle these seasonal tune-ups yourself.

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Small engine parts bring lawn mowers, tillers, generators, pressure washers and log splitters back to life when they will not start, surge or stall. Most small engine problems come from fuel and air: a varnished carburetor after winter storage, a cracked fuel line, a dirty air filter or a recoil starter that will not catch. BlueStars Parts stocks small engine replacement parts for Briggs & Stratton, Honda, Kohler, Kawasaki, Tecumseh and Predator engines, matched by engine model.

Which Small Engine Parts Fix Your Problem?

Start with the symptom and check the likely part:

  • Engine will not start after storage: stale fuel gums the small engine carburetor; clean it or replace it.
  • Starts then dies: a clogged carb jet, blocked fuel filter or failing fuel pump starves the engine.
  • Surges or runs rough: a dirty air filter, worn spark plug or vacuum leak at the carb gasket.
  • Pull cord will not retract or catch: the recoil starter spring or pawls are worn.
  • Battery will not stay charged on a riding mower: a failed voltage regulator rectifier stops charging.

Our guide on why a lawn mower starts then dies covers the fuel checks that apply to most small engines.

Popular Small Engine Replacement Parts

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Small Engine Parts by Brand and Engine Model

Small engine parts follow the engine, not the machine, so a Briggs carb fits the same engine on a mower, tiller or pressure washer. Find the engine model on the shroud or valve cover: Briggs uses a model, type and code stamp, Honda prints it on the crankcase, and Kohler and Kawasaki use a label near the air cleaner. Then shop briggs and stratton parts, honda parts or kawasaki parts and match the part number.

Shopping for a specific machine? Browse lawn mower parts, snow blower parts or generator parts.

Washing the deck or tilling the garden? See pressure washer parts and tiller parts.

Small Engine Repair Guides

Small Engine Parts FAQ

Should I rebuild or replace a small engine carburetor?

Replace it when jets stay clogged after cleaning, the float bowl is corroded or the throttle shaft is loose. A new carb with gaskets usually costs less than a rebuild kit plus your time, and it fixes the problem in one go.

How do I find the right small engine repair parts?

Read the engine model number from the shroud or valve cover, then match it to the compatible models or replaces list on each listing. The number stamped on the old part is a useful second check.

How often should I tune up a small engine?

Once a season or every 25 to 50 hours: change the oil, replace the air filter and spark plug, and run fuel stabilizer before storage. This prevents most no-start problems.

Why Buy Small Engine Parts from BlueStars Parts

  • Parts listed with the engine models they fit, from Briggs & Stratton to Honda and Kohler.
  • Fast US shipping so your mower or generator is back to work quickly.
  • Expert support from a team helping DIYers since 2016.

Need parts for the rest of the yard? Browse all garden outdoor parts.