Homelite GP589413 TBO Cutter Bar – Genuine OEM Replacement Cutting Bar

Part Number: GP589413
Category: Lawn Mower Blades & Cutting Parts
Type: 21" Cutter Bar – Genuine OEM Replacement Cutting Blade

The Homelite GP589413 TBO Cutter Bar is a genuine OEM replacement cutting component designed for select Homelite walk-behind lawn mowers. Despite the “cutter bar” terminology, parts catalogs classify GP589413 as a lawn mower cutting blade, and confirmed mower diagrams describe it as a 21" Bar – Cutter.

Product Specifications

• Part Number: GP589413
• Manufacturer: Homelite
• Product Type: Cutter Bar / Lawn Mower Cutting Blade
• OEM Description: Cutter Bar-TBO
• Blade Length: 21 Inches
• Function: Cuts Grass During Mower Operation
• System: Mower Deck / Cutting System
• Application: Walk-Behind Lawn Mower
• Compatible Brand: Homelite
• OEM Status: Genuine Homelite OEM Part
• Condition: New
• Quantity: 1 Cutter Bar / Blade

Features & Benefits

• Genuine Homelite OEM replacement cutting component
• Factory GP589413 Cutter Bar-TBO configuration
• 21-inch cutter bar application
• Designed for compatible Homelite walk-behind lawn mowers
• Provides the cutting edge required for normal mowing operation
• Helps restore cutting performance when replacing a worn blade
• Durable construction for outdoor mowing applications
• Ideal replacement for dull, bent, chipped, worn, or damaged cutter bars
• Designed to maintain the original mower cutting-system configuration
• Direct replacement for equipment requiring part number GP589413

Applications

Confirmed applications include:

• Homelite HSB21 Lawn Mower
• Homelite HSB21 UT-30515-B Lawn Mower
• Homelite HSB21P5 Lawn Mower
• Homelite HSB21P5 UT-30516-B Lawn Mower
• Homelite HSB21P5EG Lawn Mower
• Homelite HSB21P5EG UT-30162 Lawn Mower
• Select additional Homelite 21" walk-behind mowers
• Lawn mower cutting assemblies
• OEM replacement applications requiring GP589413

Important Notes

• Verify compatibility with your specific mower model and UT number before ordering.
• OEM parts suppliers catalog GP589413 as “CUTTER BAR-TBO.”
• Replacement-parts catalogs classify GP589413 as a genuine OEM Homelite lawn mower cutting blade.
• Confirmed Homelite mower diagrams describe GP589413 as “Bar – Cutter 21".”
• On the Homelite HSB21 UT-30515-B, GP589413 appears as the 21" cutter bar within the mower assembly.
• The HSB21P5 UT-30516-B is another confirmed application for GP589413.
• “TBO” is part of the OEM catalog description; when shopping for compatibility, use GP589413 as the primary identifying part number.
• This listing is for one cutter bar / mower blade only unless otherwise specified. Blade mounting hardware, washers, adapters, clutches, mower decks, and other cutting-system components are sold separately.
• Inspect the blade mounting hardware, adapter, spindle or crankshaft mounting area, and mower deck when replacing the cutter bar. Replace bent, cracked, excessively worn, or damaged related components as necessary.
• Disconnect the spark plug and follow the mower manufacturer's service procedures before removing or installing the cutting blade.