Oregon 3PK Mower Blades Replacement for Exmark 60-inch Deck Lazer Z S/N 540,000+

Overview: Oregon 3PK Blades for Exmark 60-inch Lazer Z

Maintenance matters for a pristine, professional-looking lawn. The Oregon 3PK replacement blades (part no. 92-031) are designed to replace a broad range of Exmark OEM blades while preserving cutting quality and reliability. This set is ideal for large residential yards or maintenance fleets that rely on a consistent, even cut across a wide deck.

Engineered for Exmark 60-inch Lazer Z decks with serial numbers around 540,000 and higher, these blades emphasize balance and edge retention. While no claim guarantees results in every condition, the construction aims to deliver steady performance across common turf scenarios and varying grass densities.

What you get

• Three Oregon replacement blades, part no. 92-031
• Compatibility with multiple Exmark OEM part numbers: 103-6383, 103-6383-S, 103-6393, 103-6393-S, 103-6398, 103-6403, 103-6403-S

The three-pack design supports quick, symmetric replacements to minimize downtime. The blades are built to hold their edge through routine mowing tasks, helping you maintain a uniform cutting height without frequent interruptions for maintenance.

Key specifications

• Length: 20.5 inches
• Center hole: 15/16 inch
• Width: 2.5 inches
• Thickness: 0.203 inches

Knowing the exact dimensions helps ensure proper mounting and consistent balance. The precise center hole and edge geometry support reliable alignment with Exmark spindles, contributing to smooth operation during longer mowing sessions.

Performance and use cases

In everyday mowing, these blades are designed to promote efficient material displacement and a clean surface finish. They suit mixed lawns where soft turf meets tougher grasses, offering a steady cutting action and even clippings. Regular inspection and balanced mounting can help maximize life and maintain consistent results.

Fitment tips

• Three blades per package enable a balanced, full replacement.
• Verify alignment with your Exmark spindle setup and center hole size before installation.
• Balance blades after mounting to reduce vibration and protect mower components.