Looking for a reliable manufacturing partner or bulk wholesale pricing for premium OPE replacement parts? This heavy-duty 18″ Lawn Mower Blade 5/8″ Center Hole – Replaces Exmark 1-303527 1-633482 1-633484, John Deere PT8721 TCU35393 is precisely engineered from commercial-grade 40MnB boron steel to meet or exceed fleet maintenance standards. As a direct aftermarket replacement, it ensures optimal cutting performance and maximum durability in demanding lawn care environments.
Technical Specifications
| Blade Material | 40MnB (Premium Boron Steel) |
|---|---|
| Product Family | Mower Blades |
| Blade Length | 18″ |
| Blade Width | 2-1/2″ |
| Blade Thickness | 0.203″ |
| Center Hole Size | 5/8″ |
| Compatible Brands | Exmark, John Deere, Toro |
OEM Cross Reference & Interchange Numbers
This premium 40MnB aftermarket lawn mower blade directly replaces the following original equipment manufacturer (OEM) part numbers. Please verify your brand and part number for a perfect fitment:
| Supported Brand | OEM Part Number / Cross Reference |
|---|---|
| EXMARK | 103-6582, 103-6582-B, 103-6582-M, 1-303527, 1-633482, 1-633484, 303283, 633482, 633484 |
| JOHN DEERE | PT8721, TCU35393 |
| TORO | 633484 |
Compatible Lawn Mower Models
| Brand | Compatible Models / Notes |
|---|---|
| Exmark Lazer | Z (Serial No. 130000-539999), Lazer Z HP (Serial No. 260000-539999), Turf Tracer (Serial No. 320000-599999), Turf Tracer HP (Serial No. 320000-599999) |
| Exmark, John Deere, Toro | 52-inch deck, 3 blades required |
Fitment information is provided for reference. Confirm the OEM part number, equipment model and blade dimensions before ordering.
Wholesale & Bulk Supply Quotation
With over 25 years of experience in industrial parts manufacturing, we specialize in high-volume supply for commercial landscaping companies, professional repair shops, and regional lawn mower parts distributors.
- Volume Pricing: Tiered discounts and competitive factory-direct pricing for bulk orders.
- Fast Turnaround: Click “Add to Quote Request” above, and our OPE parts experts will send a custom wholesale offer within 24 hours.
- Flexible Supply Chain: Global logistics and reliable container/pallet shipping options available.
Fitment Note & Disclaimer: Always cross-reference your original machine manual, blade dimensions, and center-hole shape before submitting a quote request. OEM numbers and brand references (such as Exmark, John Deere, Toro) are used strictly for compatibility identification purposes. Our products are top-tier aftermarket replacement parts manufactured from high-grade 40MnB steel and do not imply direct affiliation with the original equipment manufacturers.




