Looking for a reliable manufacturing partner or bulk wholesale pricing for premium OPE replacement parts? This heavy-duty 20-1/2″ Lawn Mower Blade 5/8″ Center Hole – Replaces Exmark 103-2530-B 103-2530-M, Stens 355-331 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 | 20-1/2″ |
| Blade Width | 2-1/2″ |
| Blade Thickness | 0.236″ |
| Center Hole Size | 5/8″ |
| Compatible Brands | Exmark, Stens |
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 | 103-2530-B, 103-2530-M |
| STENS | 355-331 |
Compatible Lawn Mower Models
| Brand | Compatible Models / Notes |
|---|---|
| Ariens | (60-inch deck |
| Exmark, Stens | 3 blades) |
| Dixie Chopper | XXW Series (60-inch deck |
| Exmark, Stens | 3 blades) |
| Exmark Turf | Tracer (Serial No. 60000-149999), Turf Tracer Hydro floating deck (Serial No. 190000 and higher), Lazer Z, Turf Ranger, Lazer Z HP, Metro HP, Turf Tracer HP (Serial No. 160000-370000) |
| Gravely | (60-inch deck |
| Exmark, Stens | 3 blades) |
| Hustler | XR7 (42-60-inch decks) |
| Toro | Z597, Z500 (60-inch deck |
| Exmark, Stens | 3 blades) |
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, Stens) 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.




