Husqvarna leaf blower muffler 580502701 — OEM replacement, direct-fit, reduces noise

Genuine Husqvarna 580502701 muffler — a direct-fit replacement designed to restore correct exhaust flow and reduce noise on compatible Husqvarna and sister-brand leaf blowers.

This is a brand-new, OEM Husqvarna muffler manufactured to the original equipment specifications. It replaces worn, damaged, or missing mufflers on models that require part number 580502701 and is compatible with a range of machines from Husqvarna and associated brands like AYP, Craftsman, Jonsered, McCulloch, Poulan, Poulan Pro, RedMax, Sears, and Weed Eater. Ordering the correct part number ensures reliable fitment and keeps your blower running safely and as intended by the factory.

Which machines use the 580502701 muffler?

This muffler fits specific models that list part number 580502701 in the parts manual. It’s commonly found on mid‑range handheld and backpack blowers across Husqvarna and several partner brands that share engine designs.

• Direct compatibility with Husqvarna models specifying 580502701
• Also fits select AYP, Craftsman, Jonsered, McCulloch, Poulan, Poulan Pro, RedMax, Sears, and Weed Eater machines
• Verify fitment by matching your blower’s part number, model, and serial rather than relying on visual comparison
• Sold through major retailers including Amazon — check listings for model cross-reference

How do I confirm this is the correct replacement part?

Always cross-check the part number on your blower’s parts diagram or the existing muffler. Using the OEM part number is the most reliable method to ensure proper fit and performance.

• Locate your machine’s model and serial on the housing or plate
• Compare the required part number in the owner’s manual or online parts fiche
• Avoid ordering by appearance alone — look for 580502701 specifically
• Contact Husqvarna parts support or the seller with your model/serial if uncertain

What benefits does a genuine Husqvarna muffler offer?

An OEM muffler is built to the manufacturer’s tolerances to maintain engine performance and noise control. Replacing a defective muffler with the correct Husqvarna part helps preserve exhaust routing and reduces the risk of leaks or loose mounting that can affect operation.

• Factory-fit design reduces chances of exhaust leaks or misalignment
• Maintains intended noise levels and exhaust backpressure
• Durable construction suited to outdoor power equipment conditions
• Supports safe operation by meeting original emissions and heat shielding design

How hard is installation and what should I prepare?

Installation is normally straightforward for someone comfortable with small-engine maintenance. Basic hand tools, a clean work area, and following torque guidelines from the parts diagram will get the job done efficiently.

• Typical tools: socket set, wrench, screwdrivers, and replacement gaskets if needed
• Allow the engine to cool completely before removing the old muffler
• Inspect mounting studs, fasteners, and gasket surfaces for wear or damage
• Consult the service manual for torque specs and reassembly order

Who is this for: Owners and service technicians who need a dependable, OEM replacement muffler for Husqvarna or compatible-brand leaf blowers that specify part number 580502701. Ideal for gardeners, landscapers, rental operators, and anyone who wants a correct-fit component to restore factory exhaust performance and safe operation.