Husqvarna 576408201 Piston Ring – Replacement Lawn & Garden Equipment Engine Piston Ring Component

Part Number: 576408201
Category: Lawn & Garden Equipment Replacement Parts
Type: Piston Ring – Replacement Lawn & Garden Equipment Engine Piston Ring Component

The Husqvarna 576408201 Piston Ring is a replacement internal engine component designed for compatible Husqvarna lawn and garden equipment. Installed on the applicable piston within the engine cylinder, the piston ring helps maintain the required seal between the piston and cylinder wall while supporting proper compression and engine operation. It is suitable for replacing a worn, damaged, broken, scored, seized, or otherwise unserviceable piston ring when Husqvarna part number 576408201 is specified.

Product Specifications

• Part Number: 576408201
• Brand: Husqvarna
• Product Type: Piston Ring
• Component Type: Replacement Internal Engine Component
• Application: Lawn & Garden Equipment Engines
• System: Engine Piston, Cylinder & Combustion System
• Function: Piston-to-Cylinder Sealing & Compression Support
• Installation Location: Piston Ring Groove / Cylinder Assembly
• Condition: New

Features & Benefits

• Replacement engine piston ring for compatible Husqvarna equipment
• Designed for installation in the applicable piston ring groove
• Helps maintain the required seal between the piston and cylinder wall
• Supports proper engine compression during operation
• Helps limit combustion-gas leakage past the piston where applicable
• Supports efficient piston and cylinder operation when correctly installed
• Helps restore the engine's sealing characteristics when the original ring is worn or damaged
• Suitable for replacing a worn, broken, scored, stuck, distorted, seized, damaged, or unserviceable piston ring
• Useful during engine repair, cylinder servicing, and piston-related maintenance
• Direct replacement option when Husqvarna part number 576408201 is specified

Applications

• Husqvarna lawn and garden equipment
• Compatible Husqvarna outdoor power equipment engines
• Engine piston assemblies
• Engine cylinder assemblies
• Internal combustion engine repair
• Piston and cylinder servicing
• Engine compression-system maintenance
• Replacement of worn or damaged piston rings
• Engine overhaul and restoration procedures where applicable
• Applications specifying Husqvarna 576408201

Important Notes

• Verify part number 576408201 before ordering
• Confirm compatibility with your specific Husqvarna equipment model and engine configuration
• The supplied product information identifies this component as a Piston Ring
• The exact engine model, piston size, cylinder bore, and engine displacement associated with this ring are not identified in the supplied product information
• The exact ring diameter, thickness, width, end-gap specification, material, coating, profile, tension, and installation orientation are not identified
• Do not assume this ring is interchangeable with another piston ring based solely on approximate diameter or visual similarity
• Do not assume this is specifically a compression ring, scraper ring, oil-control ring, top ring, second ring, or another specialized ring type unless confirmed by the applicable Husqvarna engine information
• Do not assume the engine is a 2-stroke or 4-stroke design solely from the supplied part description
• Verify whether the applicable piston uses one ring, multiple rings, locating pins, directional markings, or different ring profiles before installation
• Piston rings can have application-specific orientation; install any marked or profiled ring according to the applicable engine service procedure
• Check the applicable manufacturer's specifications for ring end gap, ring-to-groove clearance, cylinder bore condition, piston clearance, and other required measurements
• Do not file or modify the ring end gap unless the applicable service procedure specifically requires measurement and adjustment
• Never force the ring excessively open during installation, as piston rings can be brittle and may bend, distort, or break
• Inspect the piston and ring grooves for carbon buildup, scoring, cracking, excessive wear, deformation, or damaged locating features
• Inspect the cylinder wall for scoring, scratches, glazing, excessive wear, transfer deposits, out-of-round conditions, or other damage
• A new piston ring may not correct poor compression if the piston, cylinder, ring groove, crankcase sealing system, valves where applicable, or other engine components are worn or damaged
• If the original ring broke, seized, or experienced heavy scoring, determine the underlying cause before reassembly
• Possible contributing conditions can include insufficient lubrication, overheating, contamination, incorrect fuel/oil mixture where applicable, intake leaks, improper clearances, cylinder damage, or foreign-material ingestion
• Inspect associated piston, cylinder, connecting rod, wrist pin, pin retainers, crankshaft, bearings, seals, gaskets, intake components, air filter, and exhaust components as applicable
• Thoroughly remove debris from the engine after a piston-ring failure to prevent loose fragments or abrasive material from damaging repaired components
• Use the correct installation tools and procedures to avoid scratching the piston, damaging the ring groove, or breaking the new ring
• This listing is for the piston ring; do not assume that a piston, cylinder, wrist pin, retaining clips, connecting rod, bearings, gaskets, seals, or additional piston rings are included unless specifically stated
• Shut off the equipment, disconnect the applicable power source, and allow the engine to cool completely before beginning internal engine service
• Internal engine repairs require accurate measurements and correct assembly procedures; consult the applicable service information if specifications or installation orientation are uncertain
• After installation and engine reassembly, verify proper compression, piston movement, engine sealing, lubrication, starting, operating behavior, and absence of abnormal noise or overheating before returning the equipment to normal service