Looking for a reliable manufacturing partner or bulk wholesale pricing for premium OPE replacement parts? This heavy-duty 21″ Lawn Mower Blade 13/16″ Center Hole – Replaces Cub Cadet 742-0533-42IN 742-0536 742-0563, MTD MTD742-0563 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 | 21″ |
| Blade Width | 2-1/4″ |
| Blade Thickness | 0.134″ |
| Center Hole Size | 13/16″ |
| Compatible Brands | Cub Cadet, MTD |
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 |
|---|---|
| CUB CADET | 742-0533-42IN, 742-0536, 742-0563, 742-0721, 753-0555, 942-0721, OEM742-0721, OEM-742-0721 |
| MTD | 742-0721, 942-0721, MTD742-0563 |
Compatible Lawn Mower Models
| Brand | Compatible Models / Notes |
|---|---|
| MTD | 21-inch walk-behind mulching mowers (specific models not confirmed) |
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 Cub Cadet, MTD) 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.




