Yukon 05-20 Ford F-250/F-350 Super Duty 10.5in Rear Differential Chromoly Axle Shaft
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
The Yukon Chromoly Axle Shaft (YA WF10.5-35-34.50) is a high-performance replacement axle built for Ford 10.5″ rear differentials. It’s right side only, 35-spline, with a length of 34.50″, and crafted from 4340 chromoly for strength and durability.
Specifications & Features
- Part Number: YA WF10.5-35-34.50 (sometimes abbreviated YA WF105-35-3450)
- Application: Ford 10.5″ rear differential, right side installation
- Spline Count: 35 splines
- Axle Length: 34.50″ overall length
- Construction: 4340 chromoly steel — cold-roll formed splines and advanced heat treatment for rigidity and wear resistance
- O-Ring Groove: At the hub end (for seal compatibility)
- Pricing: $430.89 USD per shaft
Fitment & Compatibility
- Designed for Ford Super Duty trucks using the 10.5″ rear diff assembly.
- Fits right-side (passenger side) axle position.
- Should be used in a differential housing compatible with 35-spline Ford 10.5″ setups.
Why Choose This Yukon Axle?
- Built for Strength: 4340 chromoly material and cold-roll spline process result in high fatigue resistance under load.
- Fixture Accuracy: OEM-compatible sizing and O-ring groove for ease of installation and sealing integrity.
- Service Ready: Ideal for axle rebuilds, upgrades, or replacement when stock axles are worn or damaged.
Installation & Service Notes
- Install with proper lubrication (gear oil) and torque specs per OEM service manual.
- Inspect bearing and seal compatibility during install.
- Confirm proper orientation (right side) to avoid mismatch.
Questions? We’re Here to Help.
Have questions about suspension or drivetrain upgrades for your truck? Our team at FASS Motorsports is here to assist:
- Phone: 636-429-7020
- Email: info@fassmotorsports.com
