Exmark 109-2523 Blade Belt for 48 Inch Decks OEM
Maintain peak cutting performance with the genuine Exmark 109-2523 Blade Belt. Designed for select Exmark Lazer Z and Radius mower models equipped with 48-inch two-blade cutting decks, this OEM belt transfers power efficiently to the mower blades for consistent cutting performance and reliable operation. Manufactured to Exmark specifications, the 109-2523 blade belt delivers the fit, durability, and performance your mower was designed to use.
Fits Exmark Lazer Z & Radius Mowers
This OEM blade belt fits select Exmark Lazer Z and Radius mower models equipped with 48-inch cutting decks. Use the fitment list below to verify compatibility with your specific model and serial number.
View Complete Fitment List (13 Models)
- LAZER Z – LHP19KA465 – Serial 600000-789999
- LAZER Z – LHP19KA465CA – Serial 720000-789999
- LAZER Z – LHP19KA505 – Serial 600000-719999
- LAZER Z – LHP20KC505 – Serial 600000-669999
- LAZER Z – LHP23KA465 – Serial 670000-789999
- LAZER Z – LHP23KA505 – Serial 600000-789999
- LAZER Z – LHP23KA565 – Serial 600000-789999
- LAZER Z – LHP27KC505 – Serial 600000-789999
- LAZER Z – LHP27KC565 – Serial 600000-789999
- RADIUS – RAE691GKA48C00 – Serial 408644346-413950473
- RADIUS – RAE708GEM48C00 – Serial 411294212-413950473
- RADIUS – RAS651GKA48CA3 – Serial 411294212-413950473
- RADIUS – RZE708GEM48C00 – Serial 413950474-417930745
- RADIUS – RZS651GKA48CA3 – Serial 413950474-417930745
Exmark 48 Inch Blade Belt Replacement
The Exmark 109-2523 Blade Belt is a genuine OEM replacement designed for select Lazer Z and Radius mowers equipped with 48-inch two-blade cutting decks. This belt transfers power from the deck drive system to the mower blades, helping maintain proper blade speed, cutting quality, and overall mowing performance.
Product Details
- Genuine Exmark OEM Blade Belt
- Part Number: 109-2523
- Description: Blade Belt (465/48" 2 Blade Deck)
- Designed for select 48-inch deck applications
- Fits select Exmark Lazer Z and Radius mowers
- Transfers power to mower blades for proper cutting performance
- Built to Exmark factory specifications
- Direct replacement for the original belt
Why Choose Genuine Exmark OEM Belts?
Genuine Exmark belts are engineered specifically for your mower's deck drive system. OEM belts provide the correct length, profile, and durability required for reliable power transfer, proper blade speed, and long service life.
Replacing worn or stretched blade belts helps maintain cut quality, improve efficiency, and reduce unnecessary wear on pulleys and other deck components.
Important: Verify your model and serial number before ordering. Exmark frequently uses different belts across similar mower models, and fitment can vary by serial number.
Genuine Exmark Parts
Genuine Exmark OEM parts are built for commercial performance. Engineered to factory specifications, they deliver precise fit, long lasting durability, and the reliability professionals depend on. Protect your investment and minimize downtime with parts designed specifically for your Exmark machine.
Get Everything You Need
View the complete parts diagram for your machine. Find related maintenance items, replacement parts, and hardware before placing your order.

