Looking for a reliable manufacturing partner or bulk wholesale pricing for premium OPE replacement parts? This heavy-duty 16-1/4″ Lawn Mower Blade 15/16″ Center Hole – Replaces Exmark 103-6391 116-5177-S 103-6391-S 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 | 16-1/4″ |
| Blade Width | 3″ |
| Blade Thickness | 0.203″ |
| Center Hole Size | 15/16″ |
| Compatible Brands | Exmark |
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 | 103-6381, 103-6381-S, 103-6391, 103-6391-S, 103-6396, 103-8251, 103-8251-S, 103-8296, 103-8296-S, 103-8370, 103-8370-S, 103-8433, 103-8433-S, 103-9614, 103-9614-S, 109-6460, 109-6460-S, 109-9390-S, 116-5177-S, 116-5496-S |
Compatible Lawn Mower Models
| Brand | Compatible Models / Notes |
|---|---|
| Exmark Lazer | Z HP (Serial No. 600000 and higher |
| Exmark | 46-inch deck |
| Exmark | 3 blades required |
| retailer deck | specification conflict) |
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) 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.




