Best Rear Axle Shims For Freightliner Trucks

Looking for the best rear axle shims for your Freightliner truck? We’ve researched and tested the top 10 options to help you find the perfect fit for smooth, efficient performance.

Freightliner trucks are known for their reliability and strength, but even the best trucks need maintenance. One key part to keep an eye on is the rear axle shims. These small but vital components help keep your truck running smoothly and efficiently.

Choosing the right shims can save you money, boost fuel efficiency, and cut downtime. They also improve steering and extend tire life. With so many options, finding the perfect fit is crucial.

We’ve done the research for you, testing and comparing the best rear axle shims for Freightliner trucks. Our guide will help you make a confident choice, ensuring your truck performs at its best. Let’s dive in and find the ideal shim for your needs!

List of Top 10 Rear Axle Shims For Freightliner Trucks

Title	Best For	Price
Profleet 1/32″ Axle Alignment Shim 2 Pack Replacement for Freightliner 681-328-22-84 – Fits Classic, M2 Business Class Trucks – Heavy Duty Suspension Camber Caster Shim	This Profleet Axle Alignment Shim is perfect for fleet managers and truck owners who need a reliable, cost-effective solution for maintaining heavy-duty Freightliner trucks. It’s ideal for improving steering and reducing tire wear, ensuring safer, more efficient operation.	View on Amazon (paid link)
eoere 4 Pack 2 Degree Pinion Angle Axle Shims, Rear Leaf Spring Wedges, 6″ x 2-5/8″	This product is perfect for truck owners who want to reduce rear driveline vibration and correct pinion angle or caster. It’s ideal for those looking to improve their vehicle’s performance and smoothness.	View on Amazon (paid link)
2.5°Steel Degree Shims – Universal Suspension Axle Shims，Set of 2，Silver	These 2.5° Steel Degree Shims are perfect for vehicle owners who want to improve their suspension and steering. They are ideal for heavy vehicles and easy to install.	View on Amazon (paid link)
KPALAG 2 PCS 2″ Wide 4° Steel Leaf Spring Shims Angle Correction Universal Suspension Axle Shims Black	This product is perfect for anyone who needs to correct their vehicle’s suspension angle. It’s ideal for DIY enthusiasts or professional mechanics looking for a reliable and easy-to-install solution.	View on Amazon (paid link)
Specialty Products Company 35022 1/16″ Adjusting Tandem Shim for Freightliner, (Pack of 6)	This shim pack is perfect for truck owners who need to align axles and adjust thrust angle. It’s fast, accurate, and easy to use.	View on Amazon (paid link)
2.5 Degree Universal Suspension Axle Shims – Steel Degree Shims，Set of 2，Black	These 2.5 Degree Universal Suspension Axle Shims are perfect for vehicle owners who want to improve their car’s performance. Whether you’re fixing heavy steering or boosting stability, these sturdy steel shims are easy to install and built to last.	View on Amazon (paid link)
Specialty Products 10733 4″ x 6.5″ Zinc 2 Degree Axle Shim	This axle shim is perfect for anyone needing a 2-degree angle adjustment on their vehicle or equipment. It’s easy to use and fits 4″ x 6.5″ spaces.	View on Amazon (paid link)
Technical Precision Replacement For FREIGHTLINER CENTURY 120 YEAR 2006 132 INCH SHIM FOR FREIGHTLINER FAS II SUSPENSION	This shim is perfect for owners of a 2006 Freightliner Century 120 with a 132-inch wheelbase. It’s a direct replacement for the FAS II suspension system.	View on Amazon (paid link)
Replacement For FREIGHTLINER CENTURY 112 YEAR 2008 132 INCH SHIM FOR FREIGHTLINER FAS II SUSPENSION by Technical Precision	This shim is perfect for owners of a 2008 Freightliner Century 112 with a 132-inch wheelbase. It’s a direct replacement for the FAS II suspension system, ensuring a smooth and reliable ride.	View on Amazon (paid link)
Replacement For FREIGHTLINER FL60 YEAR 2001 132 INCH SHIM FOR FREIGHTLINER FAS II SUSPENSION by Technical Precision	This shim is perfect for owners of a 2001 Freightliner FL60 with a 132-inch wheelbase. It’s a must-have replacement for the FAS II suspension system.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 rear axle shims for Freightliner trucks, handpicked for performance and value. Each product is expert-reviewed to ensure it meets your needs, whether you prioritize comfort, durability, or affordability. Find the perfect fit to enhance your truck’s ride and reliability.

1. Profleet 1/32″ Axle Alignment Shim 2 Pack Replacement for Freightliner 681-328-22-84 – Fits Classic, M2 Business Class Trucks – Heavy Duty Suspension Camber Caster Shim

The Profleet Axle Alignment Shim is a heavy-duty solution for Freightliner trucks. It fine-tunes camber and caster with a 1/32-inch thickness, improving steering and tire life. This direct OEM replacement fits models like Cascadia, Century, and M2 without hassle.

Made from durable steel, it handles heavy loads and vibrations with ease. Its compact design ensures a secure fit, measuring 2.125 inches with a 0.75-inch slot. Perfect for commercial truck maintenance, it’s built to last.

Saves money, boosts fuel efficiency, and cuts downtime. Easy to install, widely compatible, and reliable. A smart choice for fleet operators.

Pros	Cons
Precise 1/32″ adjustment for perfect wheel alignment. Durable steel built to handle heavy loads. Fits multiple Freightliner models without modifications. Saves costs while improving fuel efficiency and safety.	Only 1/32″ thickness; may need multiple shims for major adjustments Steel slot can collect debris in dirty environments

Perfect For:

This Profleet Axle Alignment Shim is perfect for fleet managers and truck owners who need a reliable, cost-effective solution for maintaining heavy-duty Freightliner trucks. It’s ideal for improving steering and reducing tire wear, ensuring safer, more efficient operation.

Ready to Purchase?

View Price on Amazon (paid link)

2. eoere 4 Pack 2 Degree Pinion Angle Axle Shims, Rear Leaf Spring Wedges, 6″ x 2-5/8″

The eoere 4 Pack 2 Degree Pinion Angle Axle Shims gives your truck smooth, steady drive power. Each shim is strong and built for real use.

These shims use low carbon steel for solid support. They fit 6″ x 2-5/8″ setups with ease. The 7/8″ center pin hole keeps everything lined up.

They help set the right pinion angle fast. They cut down rear driveline shake. They work great on many truck builds.

Pros	Cons
Corrects pinion angle and caster for smoother rides. Reduces rear driveline vibration for better performance. Durable low carbon steel ensures long-lasting use. Fits 7/8″ center pin for easy installation. Ideal for trucks to enhance stability and control.	May not fit all setups Needs tools to install Steel finish can show marks

Perfect For:

This product is perfect for truck owners who want to reduce rear driveline vibration and correct pinion angle or caster. It’s ideal for those looking to improve their vehicle’s performance and smoothness.

Ready to Purchase?

View Price on Amazon (paid link)

3. 2.5°Steel Degree Shims – Universal Suspension Axle Shims，Set of 2，Silver

Steel Degree Shims are made of carbon steel, ensuring strength and durability. They are smooth and burr-free, perfect for heavy vehicles. Each shim weighs up to 400g, making them sturdy and reliable.

These shims have a universal size, fitting most suspension systems. They are easy to install with bolts, saving time and effort. Their design helps correct pinion and axle angles, improving vehicle performance.

Using these shims can reduce steering effort and increase stability at high speeds. Slight oil stains may appear on the surface to prevent rust. If damaged, contact us for satisfactory after-sales service.

Pros	Cons
Sturdy carbon steel for heavy-duty vehicles. Universal size fits most suspension systems. Improves gear strength and vehicle stability. Easy bolt-on installation, no hassle.	Heavy weight may be hard to handle alone Possible oil stains on surface after delivery

Perfect For:

These 2.5° Steel Degree Shims are perfect for vehicle owners who want to improve their suspension and steering. They are ideal for heavy vehicles and easy to install.

Ready to Purchase?

View Price on Amazon (paid link)

4. KPALAG 2 PCS 2″ Wide 4° Steel Leaf Spring Shims Angle Correction Universal Suspension Axle Shims Black

KPALAG Steel Leaf Spring Shims are built tough for your vehicle. Made from 1045 steel, they handle high strength and heat with ease. Each shim is 2 inches wide and fixes your axle angle by 4 degrees.

These shims are treated to resist rust, thanks to an electrophoretic process. This keeps them strong and lasting longer in any weather.

Installation is simple—just use a jack to lift the frame. The package includes two shims, ready to correct your suspension quickly.

Pros	Cons
Durable 1045 steel ensures long-lasting performance in all conditions. Electrophoretic coating boosts rust resistance for extended lifespan. Easy installation saves time and effort with simple steps. 4° angle correction keeps suspension aligned for smooth driving.	No tools included for easy installation. Limited to 4° correction only, may not fit all needs. Black finish may show scratches easily over time.

Perfect For:

This product is perfect for anyone who needs to correct their vehicle’s suspension angle. It’s ideal for DIY enthusiasts or professional mechanics looking for a reliable and easy-to-install solution.

Ready to Purchase?

View Price on Amazon (paid link)

5. Specialty Products Company 35022 1/16″ Adjusting Tandem Shim for Freightliner, (Pack of 6)

Specialty Products Company 35022 is a pack of 6 tandem shims designed for Freightliner trucks. These shims help align front or rear axles with ease. They also adjust thrust angle and tow for better performance.

These shims are fast and accurate, saving you time and effort. Each pack includes 6 shims, ensuring you have enough for the job.

Pros	Cons
Aligns axles for smooth, safe driving. Adjusts thrust angle and tow with ease. Fast, accurate fixes for trucks. Pack of 6 for multiple repairs.	Limited to Freightliner trucks, not universal. Pack of 6 may be more than needed for small jobs. No tools included, requires extra purchases.

Perfect For:

This shim pack is perfect for truck owners who need to align axles and adjust thrust angle. It’s fast, accurate, and easy to use.

Ready to Purchase?

View Price on Amazon (paid link)

6. 2.5 Degree Universal Suspension Axle Shims – Steel Degree Shims，Set of 2，Black

These 2.5 Degree Universal Suspension Axle Shims are made of durable carbon steel, ensuring a smooth and sturdy fit for heavy vehicles. The black protective layer adds extra strength and prevents rust.

With a universal size, these shims are easy to install and adjust, improving your vehicle’s gear strength and load-bearing capacity. They also help correct suspension axle angles, making steering smoother and driving more stable.

Key benefits: increased gear strength, improved stability, easy installation.

Pros	Cons
Sturdy steel shims handle heavy vehicles with ease. Universal fit for quick, bolt-on installation. Improves gear strength and vehicle stability. Prevents rust with a black protective layer.	Oil stains may be present on the surface. No instructions included for installation. Backup pieces might not match original quality.

Perfect For:

These 2.5 Degree Universal Suspension Axle Shims are perfect for vehicle owners who want to improve their car’s performance. Whether you’re fixing heavy steering or boosting stability, these sturdy steel shims are easy to install and built to last.

Ready to Purchase?

View Price on Amazon (paid link)

7. Specialty Products 10733 4″ x 6.5″ Zinc 2 Degree Axle Shim

This zinc shim fits. It stays strong now. Use it fast today.

It fixes lean well. The angle is right.

This part lasts long. Buy this solid shim. It works for you.

Pros	Cons
Durable zinc material ensures long-lasting use. Precise 2-degree angle fits tight spaces easily. Large 4” x 6.5” dimensions handle heavy loads smoothly. Perfect for axle adjustments and alignment tasks.	Limited size options for diverse axle needs. No installation tools included in the package. Zinc material may corrode over time in harsh weather.

Perfect For:

This axle shim is perfect for anyone needing a 2-degree angle adjustment on their vehicle or equipment. It’s easy to use and fits 4″ x 6.5″ spaces.

Ready to Purchase?

View Price on Amazon (paid link)

8. Technical Precision Replacement For FREIGHTLINER CENTURY 120 YEAR 2006 132 INCH SHIM FOR FREIGHTLINER FAS II SUSPENSION

This shim is a perfect fit for the Freightliner Century 120 model from 2006. It’s made for the FAS II suspension system. Each unit is sold individually.

The shim ensures smooth performance and reliability. It’s a direct replacement for your Freightliner’s needs.

With easy installation, this shim saves you time and effort. It’s a cost-effective solution for your truck’s suspension.

Pros	Cons
Perfect fit for Freightliner Century 120, 2006 model. Durable shim for FAS II suspension system. Easy installation, saves time and effort. Single unit per sale, no extras needed.	Limited compatibility with other Freightliner models or years. Single unit per sale, no bulk options available. Specific use only for FAS II suspension systems.

Perfect For:

This shim is perfect for owners of a 2006 Freightliner Century 120 with a 132-inch wheelbase. It’s a direct replacement for the FAS II suspension system.

Ready to Purchase?

View Price on Amazon (paid link)

9. Replacement For FREIGHTLINER CENTURY 112 YEAR 2008 132 INCH SHIM FOR FREIGHTLINER FAS II SUSPENSION by Technical Precision

This shim is a direct replacement for the Freightliner Century 112 model, year 2008, with a 132-inch size. It’s made to fit the FAS II suspension system perfectly.

Each package includes one shim, ready for easy installation. It’s built to last and works well with your Freightliner truck.

Pros	Cons
Fits well for smooth truck use Strong build for long road life Easy to place and set Helps keep the ride steady Made for the right year and model	Limited compatibility with other Freightliner models. Single-unit sale may not meet bulk needs. No installation instructions included.

Perfect For:

This shim is perfect for owners of a 2008 Freightliner Century 112 with a 132-inch wheelbase. It’s a direct replacement for the FAS II suspension system, ensuring a smooth and reliable ride.

Ready to Purchase?

View Price on Amazon (paid link)

10. Replacement For FREIGHTLINER FL60 YEAR 2001 132 INCH SHIM FOR FREIGHTLINER FAS II SUSPENSION by Technical Precision

Restore your Freightliner’s ride quality with this replacement shim. Designed for the 2001 FL60 with a 132-inch wheelbase, it’s a perfect fit for the FAS II suspension system.

This shim is built to last, ensuring smooth and stable handling. It’s easy to install, so you can get back on the road quickly.

Each package includes one shim, giving you exactly what you need for your Freightliner’s suspension. Technical Precision ensures reliable performance every time.

Pros	Cons
Perfect fit for 2001 Freightliner FL60 with FAS II suspension. Durable shim ensures smooth and reliable performance. Easy installation saves time and effort. Single unit meets your replacement needs efficiently.	Limited compatibility with other Freightliner models or years. Single unit per sale, may need multiple for full suspension repair. No installation instructions included, requires technical expertise.

Perfect For:

This shim is perfect for owners of a 2001 Freightliner FL60 with a 132-inch wheelbase. It’s a must-have replacement for the FAS II suspension system.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Rear axle shims keep your Freightliner truck running smoothly and efficiently. Choosing the right shims can save money, boost fuel efficiency, and cut downtime. Let’s explore the best options and what to consider when buying.

Factors to Consider When Buying Rear Axle Shims

Compatibility:
Make sure the shims fit your Freightliner model. Check for specific truck models and suspension systems to avoid mismatches.
Material:
Look for durable materials like steel or low carbon steel. These handle heavy loads and vibrations better, ensuring longevity.
Thickness and Angle:
Choose the right thickness (e.g., 1/32″ or 1/16″) and angle (e.g., 2° or 4°) to fine-tune alignment. This improves steering and tire life.
Ease of Installation:
Opt for shims that are easy to install. Bolt-on designs or direct replacements save time and effort.
Rust Resistance:
Shims with rust-resistant coatings (e.g., zinc or electrophoretic treatment) last longer in harsh weather.
Pack Size:
Consider buying packs of multiple shims for convenience and cost savings, especially for fleet maintenance.
Brand Reputation:
Choose trusted brands known for quality and reliability. This ensures consistent performance and peace of mind.

Top Picks for Freightliner Rear Axle Shims

Profleet 1/32″ Axle Alignment Shim
Heavy-duty steel for durability.
Direct OEM replacement for Freightliner models.
Improves steering and tire life.
eoere 4 Pack 2 Degree Pinion Angle Axle Shims
Low carbon steel for strength.
Reduces driveline shake for a smoother ride.
KPALAG 2 PCS 4° Steel Leaf Spring Shims
1045 steel with rust-resistant coating.
Easy installation for quick suspension correction.
Specialty Products Company 35022 Tandem Shim
Pack of 6 for convenience.
Fast and accurate axle alignment.

With these factors and top picks, you’re ready to choose the best rear axle shims for your Freightliner truck. Drive smoothly, efficiently, and with confidence!