48-Inch Deck Kit 587125201 / 532174356 for Husqvarna CZ4815

Overview

This aftermarket 48-inch deck rebuild kit is a replacement-style mower deck repair package for select Husqvarna CZ-series zero-turn mowers.

This kit is built around the 587125201 / 532174356 spindle path and includes spindle assemblies, spindle pulleys, mower blades, idler pulleys, and a deck belt. Match your original part numbers, mower model, deck size, blade center style, pulley layout, and belt routing before ordering.

Key Features

• Aftermarket replacement-style 48-inch deck rebuild kit
• Product Type: Deck Rebuild Kit
• Main Spindle Path: 587125201 / 532174356
• Common Deck Reference: 48 inch
• Package Includes: spindles, spindle pulleys, blades, idler pulleys, and deck belt
• Organized by deck repair part type to reduce fitment confusion

Compatible Brands & Model Series

This deck rebuild kit is associated with select Husqvarna 48-inch CZ-series zero-turn mower decks.

Supplier model references include:

• Husqvarna CZ 4815 KAA, model 968999219, 48-inch deck, 2002-11 reference
• Husqvarna CZ 4817 KOA, model 968999220, 48-inch deck, 2002-11 reference
• Husqvarna CZ 4818, model 968999276, 48-inch deck, 2004-09 reference

Verify your part numbers before ordering.

Replaces OEM Part Numbers

• Spindle / Mandrel Numbers: 587125201, 174356, 532174356, 532174358, 532192656, 539107515, 174358
• Spindle Pulley Number: 532174375
• Blade Numbers: 21547939, 173920, 532180054, 575938301, 954633774, 917173920, 917532173920, 917532180054, 917539107519, 917577203106, 539107519, 575938201, PP24006
• Idler Pulley Numbers: 175820, 532175820, 596481401, 539107620, 539103257, 510057101
• Deck Belt Numbers: 539107709, 754-04138, 954-04138

Aftermarket Cross-Reference Numbers

• Spindle Cross-Reference: 285-108
• Idler Pulley Cross-Reference: 280-239
• Blade Cross-References: 340-322, 340-222
• Belt Cross-References: 266-182, 265-556

Deck Kit Part Number Breakdown

Part numbers below are grouped by component type. Use this section to confirm the parts included in this 48-inch deck rebuild path.

• 3 Spindle Assemblies: 587125201, 174356, 532174356, 532174358, 532192656, 539107515, 285-108, 174358
• 3 Spindle Pulleys: 532174375
• 3 Mower Blades: 21547939, 173920, 532180054, 575938301, 954633774, 917173920, 917532173920, 917532180054, 917539107519, 917577203106, 539107519, 575938201, 575938301, PP24006, 340-322, 340-222
• 1 Idler Pulley: 175820, 532175820, 596481401, 539107620, 280-239
• 1 Idler / Deck Pulley: 539103257, 510057101
• 1 Deck Belt: 539107709, 754-04138, 954-04138, 266-182, 265-556

What’s Included

• 3 aftermarket spindle assemblies
• 3 spindle pulleys
• 3 mower blades
• 1 idler pulley replacing 175820 / 532175820 path
• 1 idler / deck pulley replacing 539103257 / 510057101 path
• 1 deck belt replacing 539107709 path

Component Specifications

Spindle Assembly Specifications

• Spindle Quantity: 3
• Spindle Numbers: 587125201, 174356, 532174356, 532174358, 532192656, 539107515, 285-108, 174358
• Spindle Width: 150 mm / 5.91 inches
• Mounting Hole Distance: 101.4 mm / 3.99 inches

Spindle Pulley Specifications

• Spindle Pulley Quantity: 3
• Spindle Pulley Number: 532174375
• Pulley Width: 38 mm / 1.50 inches
• Inner Diameter: 15.8 mm / 0.62 inch
• Outer Diameter: 126.4 mm / 4.98 inches

Blade Specifications

• Blade Quantity: 3
• Blade Numbers: 21547939, 173920, 532180054, 575938301, 954633774, 917173920, 917532173920, 917532180054, 917539107519, 917577203106, 539107519, 575938201, PP24006, 340-322, 340-222
• Blade Length: 416 mm / 16.38 inches
• Blade Width: 63.5 mm / 2.50 inches
• Blade Thickness: 5.15 mm / 0.20 inch
• Center Hole: 21 mm / 5-point star

Idler Pulley Specifications

• Idler Pulley Quantity: 1
• Idler Pulley Numbers: 175820, 532175820, 596481401, 539107620, 280-239
• Pulley Width: 28 mm / 1.10 inches
• Inner Diameter: 9.5 mm / 0.37 inch
• Outer Diameter: 114.3 mm / 4.50 inches

Secondary Idler / Deck Pulley Specifications

• Secondary Pulley Quantity: 1
• Secondary Pulley Numbers: 539103257, 510057101
• Pulley Width: 44.45 mm / 1.75 inches
• Inner Diameter: 15.8 mm / 0.62 inch
• Outer Diameter: 146 mm / 5.75 inches

Deck Belt Specifications

• Deck Belt Quantity: 1
• Deck Belt Numbers: 539107709, 754-04138, 954-04138, 266-182, 265-556
• Belt Length: 3632.2 mm / 143 inches
• Belt Width: 15.87 mm / 5/8 inch
• Belt Height: 10.6 mm / 0.42 inch

Common Symptoms / When to Replace

• Mower deck spindles are noisy, loose, seized, or wobbling
• Blades have excessive play at the spindle shaft
• Deck vibration increases during blade engagement
• Pulleys or idlers are worn, noisy, bent, or no longer tracking the belt correctly
• Blades are bent, worn, dull, or no longer cutting evenly
• Deck belt is cracked, glazed, stretched, or jumping off the pulleys
• Original part numbers match the listed spindle, blade, pulley, idler, or belt paths

Quick Ship Fulfillment

This item may ship directly from one of our trusted U.S. distribution partners to help reduce transit time. Packaging, labeling, or warehouse origin may vary, but the part will match the replacement numbers, fitment notes, and specifications shown in this listing.

Why Buy From PTO Direct USA

• Deck-kit organization by part type to reduce ordering confusion
• Clear spindle, blade, pulley, idler, and belt references
• U.S.-focused fulfillment options for faster delivery when available

Need a Custom Package?

Need a different combination of parts? Email us the part type and part numbers you need, such as spindle assemblies, blades, belts, pulleys, reinforcement rings, bearings, or hardware. We can review the part-number path and quote a custom package when available.

FAQ

Is this an OEM Husqvarna deck rebuild kit?

No. This is an aftermarket replacement-style deck rebuild kit intended to replace the listed Husqvarna part-number paths when the physical fitment details match.

What mower models is this kit built around?

This kit is built around supplier references for Husqvarna CZ 4815 KAA, CZ 4817 KOA, and CZ 4818 48-inch zero-turn mower decks. Always verify your original part numbers before ordering.

What is the main spindle number for this kit?

The main spindle path is 587125201 / 532174356. This listing also references 174356, 532174358, 532192656, 539107515, and aftermarket cross-reference 285-108.

Does this kit include blades and a belt?

Yes. This package includes mower blades and a deck belt along with spindle assemblies, spindle pulleys, and idler pulleys.

Can I order by deck size only?

No. Deck size alone is not enough. Match the original spindle, blade, pulley, idler, and belt numbers, then confirm mower model, deck layout, pulley routing, blade center style, and belt path before ordering.