Looking for a reliable manufacturing partner or bulk wholesale pricing for premium OPE replacement parts? This heavy-duty 20-1/2″ Lawn Mower Blade 3/8″ Center Hole – Replaces Husqvarna 506000003 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 | 2-3/4″ |
| Blade Thickness | 0.134″ |
| Center Hole Size | 3/8″ |
| Compatible Brands | Husqvarna |
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 |
|---|---|
| HUSQVARNA | 506000003 |
| Ariens | 1137059, 11370, 11285, 1182400, 1137059, 1137051, 1137000, 1128500, 1120300 |
| Gravely | 137051, 1182400, 1137051, 1137000, 113700 |
| Scotts | 1137000 |
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 Husqvarna) 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.
