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  6. 11248 BLADE EXMARK 20-1/2" X 15/16" NOTCHED HIGH LIFT
11248 BLADE EXMARK 20-1/2
11248 BLADE EXMARK 20-1/2' X 15/16' NOTCHED HIGH LIFT
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11248 BLADE EXMARK 20-1/2" X 15/16" NOTCHED HIGH LIFT

Part Number: 11248
Online Price: $17.80
Exmark 103-6403 Replacement Blade – 20-1/2" Notched High Lift for 60" Decks
Availability: In Stock.

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Description

Notched High Lift Mower Blade – Replaces Exmark #103-6403 (20-1/2", Fits 60" Cut Decks)


Upgrade your mower’s cutting performance with this 20-1/2" Notched High Lift Blade, designed to replace Exmark OEM part #103-6403. Engineered for 60" cutting decks, this blade delivers superior lift, cleaner cuts, and improved grass discharge—ideal for both side-discharging and bagging applications.


Built for durability and efficiency, this blade is compatible with a wide range of Exmark commercial and residential mower models, offering an exact fit and dependable performance season after season.


Blade Specifications:

  • Length: 20-1/2"
  • Width: 2-1/2"
  • Thickness: 0.2400"
  • Center Hole Diameter: 15/16"
  • Type: Notched High Lift
  • Cut Direction: Right-hand


OEM Replacement Part Numbers:

  • Exmark: 103-6403, 103-6403-S


Fits the Following Exmark Models (60" Decks):

  • CT
  • Front Runner
  • Lazer HP
  • Lazer Z
  • Lazer Z AS / ASX
  • Lazer Z E / S / X / XP / SX
  • Lazer A D
  • Phaser
  • Pioneer
  • Quest
  • SP
  • Turf Ranger
  • Ultra Cut
  • Vantage

(Requires 3 blades for full 60" deck coverage)


Why Choose Notched High Lift Blades?

  • Enhanced airflow for superior grass lift and cleaner cuts
  • Ideal for bagging or side discharge in thick or damp grass
  • Heavy-duty steel construction for long-lasting durability
  • Precision fit for Exmark 60" decks—no modification needed

FAQ

Q1: What OEM part numbers does this blade replace?
A: This blade is a direct replacement for Exmark part numbers 103-6403 and 103-6403-S.


Q2: What are the blade’s dimensions?
A:

  • Length: 20-1/2"
  • Width: 2-1/2"
  • Thickness: 0.2400"
  • Center Hole Diameter: 15/16"


Q3: What mower models is this blade compatible with?
A: It fits a wide range of Exmark mowers with 60" decks, including:

  • CT, Front Runner, Lazer HP, Lazer Z, Lazer Z AS, ASX, E, S, X, XP, SX
  • Lazer A D, Pioneer, Phaser, Quest, SP, Turf Ranger, Ultra Cut, Vantage
    (3 blades are required for a full 60" deck replacement.)


Q4: What is a notched high lift blade and why should I use it?
A: Notched high lift blades create strong upward airflow, which lifts grass for a cleaner cut and improves discharge or bagging. They're ideal for thicker or damp grass and offer superior performance over standard blades.


Q5: Are these blades made for commercial or residential use?
A: These blades are built from heavy-duty steel and are suitable for both commercial and residential mowing applications.


Q6: Do I need to sharpen the blade before installation?
A: The blade comes factory-sharpened and ready to install, but you can sharpen it periodically depending on usage for best performance.

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