HU700F Carburetor for Husqvarna HU700F 7021P 961330007 5521CM Electrolux CH65Y21RDP CH65N21RH Lawn Mower

What It Is

This is a direct-replacement carburetor for Husqvarna HU700F and compatible walk-behind mowers. It meters fuel and air into the engine for combustion, restoring starting and running performance on mowers with a Briggs & Stratton or similar small engine.

Fitment & Compatibility

Before buying, confirm your mower’s model number and engine type. This carb fits Husqvarna HU700F, 7021P, 961330007, 5521CM, and Electrolux models CH65Y21RDP, CH65N21RH. Also check your engine’s make and displacement (typically 140cc–160cc). Measure the mounting bolt spacing (about 2.5 inches center-to-center) and fuel inlet diameter (roughly 1/4 inch). Compare the gasket shape and bowl size to your old unit. OEM replacement is Husqvarna part 532429755; this is an aftermarket clone, so verify that linkage holes and throttle cable connection match your setup.

Key Things to Know

• Quality variance: Aftermarket carburetors like this may have minor casting flaws or rubber seals that degrade faster than OEM. Inspect the gasket and diaphragm for tight fit.
• Installation difficulty: Moderate. You’ll need to remove the air filter housing, fuel line, and throttle linkage. Expect 20–40 minutes for a first-time swap. Have a small screwdriver and pliers ready.
• Common gotchas: The fuel line may be brittle—replace it if cracked. The carb often ships with a plastic protective plug in the inlet; remove it before installing. Adjust the idle mixture screw (usually 1.5 turns out) if the engine surges or stalls.
• Tuning needed: After installation, the engine may run rich or lean. Adjust the carb’s main jet or idle screw to match your altitude and fuel type (E10 vs. non-ethanol).

Should You Buy It

Buy this if your Husqvarna or Electrolux mower won’t start or runs rough due to a clogged or failed carburetor, and you want a cheap fix rather than a costly OEM part. It’s a solid budget option for DIYers who can handle basic tuning, but skip it if you need guaranteed drop-in reliability or have a different engine model—then buy OEM.