Best Single Axle Alignment Parts

Looking for the best single axle alignment parts?
We offer precision-engineered steel parts for trailers, trucks, or bikes—ensuring perfect alignment, durability, and easy installation with every order!

Perfect alignment starts with the right parts. Whether you’re fixing a trailer, truck, or bike, single axle alignment tools ensure precision and durability. These parts simplify repairs, boost performance, and save time—no guesswork needed.

Trust quality for lasting results. Our top picks are crafted from durable steel alloys, precision-engineered for exact fits. From shims to springs, every component handles heavy loads and resists wear, keeping your vehicle stable and safe.

Easy to install. Built to last. Exact fit guaranteed.

List of Top 10 Single Axle Alignment Parts

Title	Best For	Price
Rear Axle Adjusting Wrench, Four Way Alignment T10179 Replacement for for	This Rear Axle Adjusting Wrench is perfect for car enthusiasts and professionals who need a reliable tool for suspension adjustments. It’s easy to use and built to last, making it ideal for anyone working on vehicles.	View on Amazon (paid link)
Derailleur Hanger 303 Dropout 488 Compatible with Cannondale Part #KP419 and K33049 for 12×1.0 Thru Axle (Single Lead) GT Grade Carbon Expert	This product is perfect for riders with a GT Grade Carbon Expert bike needing a 12×1.0 single-lead thru axle derailleur hanger. It’s made of durable 6061 aluminum and fits frames requiring Cannondale KP419/K33049 compatibility.	View on Amazon (paid link)
TRAILER SUPPLIES Pair of 25.25″ 4-Leaf Double Eye Trailer Springs 1-3/4″ Wide for 3,500 lb Axles (Single Axle – 1,750 lbs per Spring) (2 Springs)	These trailer springs are perfect for anyone who needs reliable, heavy-duty support for their cargo, utility, or recreational trailer. Whether you’re a DIY enthusiast or a professional, these springs offer easy installation and smooth towing performance.	View on Amazon (paid link)
TRAILER SUPPLIES 25.25″ 5-Leaf Double Eye Trailer Spring – 1.75″ Wide – 3,000 lbs Rated Capacity – Fits 5,200–6,000 lb Axles (Single Spring)	This 25.25″ 5-Leaf Double Eye Trailer Spring is perfect for DIY trailer owners and repair shops needing a reliable, heavy-duty suspension upgrade. It’s ideal for utility, boat, cargo, and equipment trailers with 5,200–6,000 lb axles.	View on Amazon (paid link)
TRAILER SUPPLIES 25.25″ 4-Leaf Double Eye Trailer Spring – 1-3/4″ Wide – 1,750 lbs Rated Capacity – Fits 3,500 lb Trailer Axles (Single Spring)	This trailer spring is perfect for DIY trailer owners and repair professionals who need a reliable, heavy-duty replacement. It’s easy to install and fits standard 3,500 lb axles, making it ideal for smoother towing.	View on Amazon (paid link)
Technical Precision Replacement for Freightliner 114SD Year 2022 Alignment Shim 4.409 INCH C to C Rear Single AXLE	This alignment shim is perfect for Freightliner 114SD owners with a 2022 model. It’s a must-have replacement for the rear single axle, ensuring precise alignment for your truck.	View on Amazon (paid link)
Technical Precision Replacement for Freightliner 122SD Year 2023 Alignment Shim 4.409 INCH C to C Rear Single AXLE	This alignment shim is perfect for Freightliner 122SD owners with a 2023 model. It’s a must-have replacement for the rear single axle, ensuring precise alignment for your truck.	View on Amazon (paid link)
Technical Precision Replacement for Freightliner FL60 Year 2002 Alignment Shim 4.409 INCH C to C Rear Single AXLE	This alignment shim is perfect for owners of a 2002 Freightliner FL60 who need a reliable replacement for their rear single axle. It’s easy to install and ensures precise alignment for smoother rides.	View on Amazon (paid link)
Technical Precision Replacement for Freightliner M2-112 Year 2005 Alignment Shim 4.409 INCH C to C Rear Single AXLE	This alignment shim is perfect for Freightliner M2-112 owners with a 2005 model. It’s a must-have replacement for the rear single axle, ensuring precise alignment for your truck.	View on Amazon (paid link)
Technical Precision Replacement for Freightliner M2-112 Year 2015 Alignment Shim 4.409 INCH C to C Rear Single AXLE	This alignment shim is perfect for truck owners who need a reliable replacement for their Freightliner M2-112 (2015). It’s ideal for rear single axle setups and ensures precise alignment.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Single Axle Alignment Parts tested for durability, precision, and ease of use. From heavy-duty trailer springs to precision-engineered shims, each pick meets exact specs for seamless performance. Trusted by pros and DIYers, this guide ensures you find the right fit for your vehicle—fast.

1. Rear Axle Adjusting Wrench, Four Way Alignment T10179 Replacement for for

Simplify your car repairs with the Rear Axle Adjusting Wrench. This user-friendly tool boosts work efficiency, saving time and effort. It’s perfect for both pros and DIYers.

Adjust suspension easily with this 18mm camber tool. It works on multiple vehicles, making it a must-have for any toolkit.

Built to last, this wrench is made of premium steel alloy. It ensures long-lasting strength for tough automotive tasks.

Pros	Cons
Ergonomic design boosts work efficiency, saving time and effort. Versatile tool for precise camber adjustments on multiple vehicles. Durable steel alloy ensures long-lasting strength and reliability. OEM replacement fits seamlessly with popular vehicle models. Easy access to rear suspension screws for faster alignment.	Not for all cars, check compatibility before buying. Requires 1/2-inch drive, extra tool needed for use. No storage case, keep safe to avoid damage.

Perfect For:

This Rear Axle Adjusting Wrench is perfect for car enthusiasts and professionals who need a reliable tool for suspension adjustments. It’s easy to use and built to last, making it ideal for anyone working on vehicles.

Ready to Purchase?

View Price on Amazon (paid link)

2. Derailleur Hanger 303 Dropout 488 Compatible with Cannondale Part #KP419 and K33049 for 12×1.0 Thru Axle (Single Lead) GT Grade Carbon Expert

Derailleur Hanger 303 Dropout 488 Compatible with Cannondale Part #KP419 and K33049 for 12x1.0 Thru Axle (Single Lead) GT Grade Carbon Expert

The Derailleur Hanger 303 Dropout 488 is compatible with Cannondale bikes using part numbers KP419 and K33049. It’s made from CNC Machined 6061 Aluminum, ensuring durability and lightweight performance.

Check your bike’s alignment before installing. Verify compatibility with your frame. Always compare photos to ensure the right fit.

Pros	Cons
Precision-crafted from CNC Machined 6061 Aluminum for durability. Includes M3x10 screw for hassle-free installation. Compatible with Cannondale models for perfect fit. Thru-axle ready for 12×1.0 single lead systems.	Not universal: Fits only specific bikes, check compatibility first. Alignment needed: Broken hangers if dropouts aren’t aligned before install. Single lead only: Doesn’t work with double-lead thru-axles.

Perfect For:

This product is perfect for riders with a GT Grade Carbon Expert bike needing a 12×1.0 single-lead thru axle derailleur hanger. It’s made of durable 6061 aluminum and fits frames requiring Cannondale KP419/K33049 compatibility.

Ready to Purchase?

View Price on Amazon (paid link)

3. TRAILER SUPPLIES Pair of 25.25″ 4-Leaf Double Eye Trailer Springs 1-3/4″ Wide for 3,500 lb Axles (Single Axle – 1,750 lbs per Spring) (2 Springs)

Upgrade your trailer with heavy-duty leaf springs designed for 3,500 lb axles. Each spring supports 1,750 lbs, offering reliable strength for cargo, utility, and recreational trailers.

Made from premium manganese steel, these springs resist rust and deformation. They fit standard dimensions and work with common hanger kits for easy installation.

Pros	Cons
Handles 3,500 lbs – Perfect for heavy trailer loads. Strong manganese steel – Built to last, resists rust and wear. Fits easily – Standard size works with most trailers. Smooth towing – Reduces vibration for better performance.	No hardware included, requires separate purchase for complete installation. Single axle use only, not suitable for tandem or multi-axle setups. Nylon bushings may wear, potential for replacement over time.

Perfect For:

These trailer springs are perfect for anyone who needs reliable, heavy-duty support for their cargo, utility, or recreational trailer. Whether you’re a DIY enthusiast or a professional, these springs offer easy installation and smooth towing performance.

Ready to Purchase?

View Price on Amazon (paid link)

4. TRAILER SUPPLIES 25.25″ 5-Leaf Double Eye Trailer Spring – 1.75″ Wide – 3,000 lbs Rated Capacity – Fits 5,200–6,000 lb Axles (Single Spring)

Upgrade your trailer with the 25.25″ 5-Leaf Double Eye Trailer Spring. It supports up to 3,000 lbs per spring, perfect for 5,200–6,000 lb axles.

This spring is a direct replacement for many common models, fitting utility, boat, cargo, and equipment trailers. It’s built to exact specs, so no modifications are needed.

Made from heavy-duty, heat-treated steel, it’s durable and corrosion-resistant. It reduces vibration and improves towing performance, making it ideal for DIY and professional use.

Pros	Cons
3,000 lbs capacity per spring for heavy-duty trailer support. Fits multiple trailers with no modifications needed. Durable steel resists rust and handles tough conditions. Smooth towing reduces vibration for better performance.	Single Spring Only: Must buy two for tandem axle setups. No Hardware Included: Requires separate U-bolts for installation. Heavy Weight: 20+ lbs per spring, making handling challenging.

Perfect For:

This 25.25″ 5-Leaf Double Eye Trailer Spring is perfect for DIY trailer owners and repair shops needing a reliable, heavy-duty suspension upgrade. It’s ideal for utility, boat, cargo, and equipment trailers with 5,200–6,000 lb axles.

Ready to Purchase?

View Price on Amazon (paid link)

5. TRAILER SUPPLIES 25.25″ 4-Leaf Double Eye Trailer Spring – 1-3/4″ Wide – 1,750 lbs Rated Capacity – Fits 3,500 lb Trailer Axles (Single Spring)

This trailer spring is a heavy-duty solution for your towing needs. It’s built tough with manganese steel, ensuring strength and durability.

Easy to install, fits standard trailers, and improves towing performance.

Pros	Cons
Handles heavy loads with 1,750 lbs capacity per spring. Built tough from premium manganese steel for long-lasting use. Fits easily with standard dimensions and pre-installed bushing. Smooth towing reduces vibration and maintains axle alignment.	Single spring only, need to buy two for full axle setup. No hardware included, requires separate purchase for installation. Nylon bushing may wear out faster under heavy loads.

Perfect For:

This trailer spring is perfect for DIY trailer owners and repair professionals who need a reliable, heavy-duty replacement. It’s easy to install and fits standard 3,500 lb axles, making it ideal for smoother towing.

Ready to Purchase?

View Price on Amazon (paid link)

6. Technical Precision Replacement for Freightliner 114SD Year 2022 Alignment Shim 4.409 INCH C to C Rear Single AXLE

This alignment shim is a direct replacement for the Freightliner 114SD Year 2022 model. It’s designed for the rear single axle with a 4.409-inch C to C measurement.

Each unit comes individually, ensuring you get exactly what you need. It’s easy to install and fits perfectly.

Pros	Cons
Perfect fit for Freightliner 114SD 2022 rear single axle. Durable replacement shim for precise alignment. Easy installation with single-unit packaging. Reliable performance for smooth vehicle operation.	Limited compatibility with other truck models or years. Single unit per sale, no bulk purchase option. Specific use only for rear single axle alignment.

Perfect For:

This alignment shim is perfect for Freightliner 114SD owners with a 2022 model. It’s a must-have replacement for the rear single axle, ensuring precise alignment for your truck.

Ready to Purchase?

View Price on Amazon (paid link)

7. Technical Precision Replacement for Freightliner 122SD Year 2023 Alignment Shim 4.409 INCH C to C Rear Single AXLE

This alignment shim is a perfect fit for the Freightliner 122SD, Year 2023. It’s designed for the rear single axle. Each unit is sold individually.

The shim measures 4.409 inches C to C. It ensures precise alignment for your truck. This replacement part is easy to install.

With this shim, your Freightliner will run smoothly. It’s a reliable and durable solution. Get yours today for better performance.

Pros	Cons
Perfect fit for Freightliner 122SD 2023 rear single axle. Durable replacement shim ensures precise alignment. Easy installation saves time and effort. Single unit per sale, no extras needed.	Limited compatibility with other truck models or years. Single unit per sale, no bulk purchase option. Specific use only for rear single axle alignment.

Perfect For:

This alignment shim is perfect for Freightliner 122SD owners with a 2023 model. It’s a must-have replacement for the rear single axle, ensuring precise alignment for your truck.

Ready to Purchase?

View Price on Amazon (paid link)

8. Technical Precision Replacement for Freightliner FL60 Year 2002 Alignment Shim 4.409 INCH C to C Rear Single AXLE

This alignment shim is a perfect fit for your 2002 Freightliner FL60. It’s designed for the rear single axle, ensuring precise alignment.

With a 4.409-inch center-to-center measurement, this shim meets exact specifications. Each unit sold is ready for installation, making repairs quick and easy.

Durable, reliable, and built to last. Simple to install and fixes alignment issues. Trust this shim for your truck.

Pros	Cons
Perfect fit for Freightliner FL60 2002 rear axle alignment. Durable replacement shim ensures long-lasting performance. Easy installation saves time and effort. Single unit per sale, no extras needed.	Limited compatibility with other truck models or years. Single unit per sale, no bulk options available. Specific use only for rear single axle alignment.

Perfect For:

This alignment shim is perfect for owners of a 2002 Freightliner FL60 who need a reliable replacement for their rear single axle. It’s easy to install and ensures precise alignment for smoother rides.

Ready to Purchase?

View Price on Amazon (paid link)

9. Technical Precision Replacement for Freightliner M2-112 Year 2005 Alignment Shim 4.409 INCH C to C Rear Single AXLE

Technical Precision offers a perfect fit for your Freightliner M2-112. This alignment shim is designed for the 2005 model, ensuring a precise replacement. It’s made to meet exact standards for your truck.

The shim measures 4.409 inches C to C, fitting the rear single axle perfectly. It’s a direct replacement, saving you time and effort. Each unit sold comes as a single piece, ready for installation.

This product is built to last, ensuring reliable performance. It’s a smart choice for maintaining your vehicle’s alignment. Trust Technical Precision for quality and precision.

Pros	Cons
Perfect fit for Freightliner M2-112 2005 rear axle. Durable replacement shim for long-lasting performance. Easy installation saves time and effort. Single unit ensures precise alignment every time.	Limited Compatibility: Only fits Freightliner M2-112 2005, not other models. Single Unit: One shim per purchase, may need multiples for full repair. Specific Use: Rear axle only, not for front or other applications.

Perfect For:

This alignment shim is perfect for Freightliner M2-112 owners with a 2005 model. It’s a must-have replacement for the rear single axle, ensuring precise alignment for your truck.

Ready to Purchase?

View Price on Amazon (paid link)

10. Technical Precision Replacement for Freightliner M2-112 Year 2015 Alignment Shim 4.409 INCH C to C Rear Single AXLE

This alignment shim is a perfect replacement for your Freightliner M2-112, Year 2015. It’s designed for the rear single axle and measures 4.409 inches C to C.

It’s easy to install, durable, and fits perfectly. Each unit is sold individually.

This shim ensures precise alignment for your truck. It’s a reliable part to keep your vehicle running smoothly.

Pros	Cons
Perfect fit for Freightliner M2-112 2015 models. Durable replacement for long-lasting performance. Easy installation saves time and effort. Single unit ensures precise alignment every time.	Limited compatibility with other truck models or years. Single unit per sale, no bulk options available. Specific use only for rear single axle alignment.

Perfect For:

This alignment shim is perfect for truck owners who need a reliable replacement for their Freightliner M2-112 (2015). It’s ideal for rear single axle setups and ensures precise alignment.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Need single axle alignment parts? Start with quality tools for precision and durability. This guide helps you choose the best parts for your vehicle.

Factors to Consider When Buying:
– Material Quality: Look for durable steel alloys or CNC-machined aluminum. These materials resist wear and handle heavy loads, ensuring long-lasting performance.
– Compatibility: Always check compatibility with your vehicle or bike. Compare part numbers, photos, and measurements to avoid mistakes.
– Ease of Installation: Choose tools and parts that are user-friendly and easy to install. This saves time and effort, especially for DIYers.
– Load Capacity: Match the part’s load capacity to your vehicle’s needs. For example, trailer springs should support your axle’s weight rating.
– Precision Engineering: Opt for precision-engineered parts for exact fits. This ensures better alignment and performance.
– Corrosion Resistance: Select parts with rust-resistant coatings or materials like manganese steel for outdoor use.
– Versatility: Tools that work on multiple vehicles or models offer better value and flexibility.
– Brand Reliability: Trust brands known for quality and durability. Read reviews to ensure you’re getting a reliable product.

Engaging Experience:
Choosing the right parts simplifies repairs, boosts performance, and saves time. With the right tools, you’ll enjoy a smoother, safer ride—no guesswork needed.