Family Owned & Operated 
Tire Benefits
- Help prevent stones from pushing deeper into tread grooves and piercing belt layer, damaging and exposing belts to rust
- Promote traction by slicing through water for a solid grip on wet roads
- Provide traction for both on and off highway use
- For higher payload and outstanding flotation
- Help resist cuts, chips, tearing and irregular wear
- Helps fight cuts, snags and abrasions
- For aggressive traction and long mileage
- Extend case life while providing protection from cuts and punctures
Tire Features
- Stone rejector platforms
- Block sipes
- Block design and edges
- Wide base design
- Special tread compounds
- Sidewall protector ribs
- Deep tread
- Four steel belts
Firestone 425/65R22.5 L FS818
Built with everyday drivability in mind, the Firestone 425/65R22.5 L FS818 425/65R22.5/20 offers a strong balance of grip, ride comfort, and long-term wear. It's a popular choice for Medium Truck drivers who want reliable performance across changing road conditions.
Quick Specs (Varies by Size)
- Size: 425/65R22.5/20 (425 width / 65 aspect ratio / 22.5 rim)
- Speed Rating: K
- Sidewall: BSW
What the Size 425/65R22.5/20 Means
Tire size plays a major role in how your vehicle rides, handles, and carries weight. The 425/65R22.5/20 designation refers to the tire's width, sidewall profile, and wheel diameter (22.5 inches). Matching your current size helps preserve ride quality and handling characteristics, while size changes may affect clearance, gearing, and load capacity.
Real-World Performance
Drivers often choose the Firestone 425/65R22.5 L FS818 for its balanced road manners. Whether commuting, running errands, or heading out on longer trips, this tire is designed to maintain steady grip and a controlled ride feel across a wide range of conditions.
Fitment Guidance
The easiest way to confirm that 425/65R22.5/20 is correct is to look at the tires currently on your vehicle and read the size directly from the sidewall. Also make sure the load index () and speed rating (K) meet or exceed what you're running now. If you're unsure, we're happy to help you confirm fitment before ordering.
Care Tips to Maximize Tire Life
- Maintain proper air pressure: Check monthly to support even wear and handling.
- Rotate tires regularly: Helps extend tread life and improve consistency.
- Balance on installation: Reduces vibration and uneven wear.
- Address alignment issues early: Misalignment can shorten tire life quickly.
Why Buy This Tire From Dan the Tire Man
We make it easy to get the Firestone 425/65R22.5 L FS818 425/65R22.5/20 with Free Shipping and knowledgeable support if you need it. Flexible payment options are also available to help you get the tires you need without delay.
FAQ
Is the Firestone 425/65R22.5 L FS818 right for my vehicle?
Fitment depends on size, load requirements, and clearance. Confirm 425/65R22.5/20, , and K against your current tires to ensure compatibility.
Will this tire work year-round?
Many tires are suitable for year-round driving, but severe winter conditions may call for a dedicated winter tire or a 3PMSF-rated option.
Need help choosing?
Call or text us at 207-316-2258 and we'll help you confirm fitment and select the best tire for how and where you drive.