Husqvarna 575265901 19-Inch Blade – Genuine OEM Replacement Mower Blade

Part Number: 575265901
Category: Lawn Mower Replacement Parts & Cutting Deck Components
Type: 19-Inch Blade – Genuine OEM Replacement Mower Blade

The Husqvarna 575265901 19-Inch Blade is a genuine OEM replacement cutting blade designed for select Husqvarna lawn mowers and compatible mower deck assemblies.

Product Specifications

• Part Number: 575265901
• Manufacturer: Husqvarna
• Product Type: Mower Blade
• Factory Designation: Blade / 19-Inch Blade
• Nominal Blade Length: 19 Inches
• Alternate Description: Lawn Mower Blade / Cutting Blade / Replacement Mower Blade / Deck Blade / Grass Cutting Blade
• Component Type: Mower Deck / Cutting System Component
• Primary Application: Lawn Mowing Equipment
• Equipment Compatibility: Husqvarna Lawn Mowers – Model Dependent
• System: Mower Cutting System
• Function: Rotates Within the Applicable Mower Deck to Cut Grass
• Installation Location: Mower Deck / Blade Drive Assembly
• Associated Components: Blade Adapter / Blade Bolt / Washer / Crankshaft or Spindle / Mower Deck Housing – Model Dependent
• Replacement Type: Direct OEM Replacement
• OEM Status: Genuine Husqvarna OEM Part
• Condition: New
• Quantity: 1 Blade
• Part Number Reference: 575265901
• Alternate Number Format: 575 26 59-01

Features & Benefits

• Genuine Husqvarna OEM replacement mower blade
• Factory-designated 19-inch cutting blade
• Designed for compatible Husqvarna mower applications
• Replaces the applicable original equipment blade
• Helps restore consistent grass-cutting performance
• Supports the intended factory cutting configuration
• Designed to rotate properly within the applicable mower deck
• Helps maintain proper cutting height and blade path when correctly installed
• Application-specific blade length, profile, mounting interface, and cutting geometry
• Designed to interface with compatible OEM blade mounting components
• Helps improve cut quality when replacing a worn or dull blade
• Suitable for replacing bent, chipped, cracked, excessively worn, or damaged blades
• Helps reduce vibration associated with a damaged or severely unbalanced blade
• Direct replacement for equipment specifying 575265901
• Sold individually

Mower Blade Function & Cutting Performance

The 575265901 19-Inch Blade is the primary cutting component within the applicable Husqvarna mower configuration.

A simplified cutting arrangement can be represented as:

Engine / Drive System → Crankshaft or Spindle → 575265901 Blade → Grass Cutting

As the blade rotates beneath the mower deck, its sharpened cutting edges pass through the grass to produce the intended cutting action. The blade's shape, mounting configuration, cutting edges, and overall geometry are designed to work with the applicable mower assembly.

A worn or damaged blade may contribute to:

• Uneven grass cutting
• Torn or ragged grass tips
• Uncut strips of grass
• Reduced cutting efficiency
• Excessive mower vibration
• Increased mowing time
• Poor clipping movement
• Abnormal noise during operation
• Additional stress on blade mounting components
• Reduced overall mower performance

A blade that has become bent or structurally damaged can also create an imbalance at operating speed. Excessive vibration should be investigated promptly because it can affect the blade adapter, spindle, crankshaft, mounting hardware, and mower deck.

Replacement, Inspection & Installation

Replacement of the Husqvarna 575265901 19-Inch Blade may be appropriate if the original has:

• Become excessively dull
• Developed chipped cutting edges
• Become bent after striking an object
• Developed cracks or structural damage
• Become excessively worn
• Developed significant corrosion or material loss
• Become difficult to properly balance
• Begun producing excessive vibration
• No longer provides acceptable cutting performance

When replacing the blade, inspect the surrounding blade adapter, blade bolt, washers, spindle or crankshaft interface, mower deck housing, and associated mounting components for wear or damage.

Before servicing the cutting system, shut off the engine completely, allow all moving components to stop, disconnect the spark plug or applicable power source, and prevent accidental starting.

Install the replacement 575265901 Blade in the correct factory orientation. Make sure the blade is properly seated against the applicable mounting or adapter components and secure it using the correct OEM hardware and tightening specifications.

After installation, verify that the blade is securely mounted and has adequate clearance throughout its rotational path before returning the mower to operation.

Fitment & Important Notes

• Verify compatibility with your exact Husqvarna mower model, product number, serial number, cutting configuration, and production revision before ordering.
• Match part number 575265901 directly with the applicable OEM parts documentation.
• 575265901 is identified as a 19-inch mower blade for applicable Husqvarna equipment.
• The 19-inch designation refers to the nominal individual blade size and should not be used by itself to determine equipment compatibility.
• Do not assume every Husqvarna mower with an approximately 19-inch cutting configuration uses 575265901.
• Similar-length mower blades can differ in center-hole design, mounting pattern, width, thickness, offset, cutting-edge geometry, lift profile, and overall shape.
• Do not select a replacement mower blade solely by its approximate length or visual appearance.
• Use 575265901 as the primary OEM fitment reference.
• Verify the required blade quantity for your exact mower before ordering.
• Inspect the blade adapter, spindle, or crankshaft interface if the previous blade was bent or damaged by an impact.
• If excessive vibration remains after blade replacement, discontinue operation and inspect the cutting assembly for additional damage.
• Replace any blade that is cracked, severely bent, structurally compromised, or worn beyond acceptable service limits.
• If sharpening a serviceable blade, maintain the proper cutting-edge geometry and verify that the blade remains correctly balanced.
• Do not weld, heat, straighten, drill, excessively grind, or otherwise modify a structurally damaged blade for continued use.
• Never operate the mower with a loose, improperly mounted, or damaged cutting blade.
• This listing is for one Husqvarna 575265901 19-Inch Blade only unless otherwise specified. Blade adapters, bolts, washers, spindles, and other mower components are sold separately unless explicitly included.
• Match Husqvarna 575265901 with your mower's OEM parts documentation before ordering to ensure proper fitment.