Looking for the best commercial truck shims? We’ve got you covered with a guide to the top 10 durable, easy-to-use, and cost-effective solutions for your fleet.
Commercial truck shims are essential tools for keeping your fleet running smoothly. They help align parts, fix gaps, and improve performance. Whether you’re a DIY enthusiast or a professional mechanic, the right shims make all the difference.
These small but powerful components ensure safe and efficient operation. They reduce wear and tear, save on repairs, and extend vehicle life. With the right shims, your trucks stay reliable on the road.
From heavy-duty alignment to precise leveling, we’ve got you covered. Our guide highlights the best commercial truck shims for every need. Discover durable, easy-to-use, and cost-effective solutions that keep your fleet in top shape.
List of Top 10 Commercial Truck Shims
| Image | Title | Best For | Price |
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Specialty Products Company SPC Performance FRTLNR Shim 1/8in. (6) |
This shim set is perfect for truck owners and mechanics who need to adjust toe and thrust angles on heavy-duty tandem trucks and trailers. It works great for Freightliner, Hendrickson, and Navistar vehicles. |
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30Pcs Auto Body Alignment Shims Kit – 1/16 Inch and 1/8 Inch Thick Fender Shims with 3/8 Inch Slot – Universal Automotive Alignment Spacers for Car Truck SUV Body Panel Door Hood Gap Adjustment |
This 30-piece auto body alignment shim kit is perfect for anyone who wants to fix car gaps or adjust panels. It’s great for DIYers, auto shops, and professional mechanics alike. |
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SPC Performance H-D Truck Shim Set |
The SPC Performance H-D Truck Shim Set is perfect for mechanics and DIY enthusiasts who need a reliable shim alignment set. It’s heavy-duty and comes with a metal box to keep everything organized. |
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Atesilor 18 Pcs Metal Auto Lift Leveling Shim Kit For 2 Post 4 Post Car Lift Truck Jib Crane Install, Aluminium Horseshoe Tile Construction Spacer Fit For 3/4″ Anchor Bolt (1/4” & 1/8” & 1/16”) |
This product is perfect for mechanics and lift installers needing precise leveling during car lift setups. Its T6061 aluminum alloy shims resist corrosion and handle heavy loads, while the U-shaped design fits 3/4″ bolts for 2-post or 4-post lifts. |
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Atesilor 60 Pcs Plastic Auto Lift Leveling Shim Kit For 2 Post 4 Post Car Lift Truck Jib Crane Install, Tile Construction Horseshoe Spacer Fit For 3/4″ Anchor Bolt (1/16″ Blue, 1/8″ Red, 1/4″ Black) |
This product is perfect for mechanics, auto shop owners, and installation professionals needing precise leveling for car lifts, truck jib cranes, or heavy equipment. The 60-piece set with color-coded shims (1/16″ blue, 1/8″ red, 1/4″ black) allows quick adjustments and long-term durability thanks to strong plastic material. Its U-shaped design boosts stability, making it ideal for 2-post or 4-post lifts with 3/4″ bolts. |
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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 to keep their Freightliner trucks running smoothly. It’s ideal for heavy-duty vehicles like Cascadia, Century, Classic, and M2 models, ensuring precise alignment and longer tire life. |
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Super Carrier Shim kit for Ford 8.8″, GM 12 Bolt car & Truck, 8.6 & Vette |
This Super Carrier Shim Kit is perfect for car and truck owners who need a reliable and easy-to-install solution for their Ford 8.8″, GM 12 Bolt, 8.6, or Vette vehicles. It’s ideal for anyone looking to improve performance with precision-machined shims that fit perfectly. |
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36 Pcs Plastic Leveling Shim Kit for 2 Post Car Lift, 4 Post Car Lift Shim for Truck & Jib Crane Install – Horseshoe Spacer for Automotive 2 Post Lift & 4 Post Lift Install – Fits 3/4″ Anchor Bolt |
This 36-piece shim kit is perfect for auto mechanics and DIY enthusiasts who need to level car lifts with precision. It’s ideal for 2-post and 4-post lifts, ensuring stable and accurate installations. |
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KarParts360 For 2010-2017 GMC Savana 3500 Leaf Spring Bumper Spacers | Round Shape | 0.75 Inches Overall Height | 2.5 Inches Overall Width | Plastic | Replacement For 20870046 |
This product is perfect for GMC Savana 3500 owners who need a reliable replacement for their leaf spring bumper spacers. It’s ideal for DIY repairs or professional mechanics looking for a durable, brand-new part. |
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Car Post Repair Shims 2 Pack Metal Sleeves to Restore Worn Terminals Fit Most Automotive and Commercial Truck Cable Connectors for Loose or Undersized Posts |
This product is perfect for car owners with loose or worn battery posts. It fixes electrical issues fast, no tools needed, and lasts in tough conditions. |
Detailed Reviews
Discover the top 10 Commercial Truck Shims handpicked for performance, durability, and value. Each product is expert-reviewed and backed by customer feedback to ensure you get the best fit for your needs. Whether you’re fixing alignment, body gaps, or lift installations, this guide has you covered. Dive in to find the perfect shim for your truck and keep it running smoothly.
1. Specialty Products Company SPC Performance FRTLNR Shim 1/8in. (6)

SPC Performance FRTLNR Shim 1/8in. (6): Universal shims for heavy-duty trucks. Installed at torque rod ends to adjust toe and thrust angles. Works with Freightliner, Hendrickson, Navistar models; includes 6 pieces.
These shims enable quick alignment fixes. Precision adjustments improve tire wear and handling. They ensure safe, smooth operation on tandem trucks and trailers.
Built for durability, they resist wear in tough conditions. 6-piece set covers multiple repairs. Ideal for fleets or future maintenance needs.
| Pros | Cons |
|---|---|
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Perfect For:
This shim set is perfect for truck owners and mechanics who need to adjust toe and thrust angles on heavy-duty tandem trucks and trailers. It works great for Freightliner, Hendrickson, and Navistar vehicles.
Ready to Purchase?
2. 30Pcs Auto Body Alignment Shims Kit – 1/16 Inch and 1/8 Inch Thick Fender Shims with 3/8 Inch Slot – Universal Automotive Alignment Spacers for Car Truck SUV Body Panel Door Hood Gap Adjustment

This 30-piece shim kit helps you fix car body gaps easily. It includes 1/16 inch and 1/8 inch thick shims for precise adjustments. Perfect for cars, trucks, and SUVs.
Works with most vehicle brands like Ford, Chevy, and Toyota. Use it for fenders, doors, hoods, and bumpers. No drilling needed—just slide and adjust.
Made from durable, rust-resistant steel for long-lasting use. Great for DIYers and pros alike. Comes in a reusable storage case for easy organization.
| Pros | Cons |
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Perfect For:
This 30-piece auto body alignment shim kit is perfect for anyone who wants to fix car gaps or adjust panels. It’s great for DIYers, auto shops, and professional mechanics alike.
Ready to Purchase?
3. SPC Performance H-D Truck Shim Set

SPC Performance H-D Truck Shim Set helps align truck parts. It’s built heavy duty for tough jobs. A metal box and charts keep shims sorted.
Shims include key part numbers: 35001-35007, 35010-12, up to 36010-12. These cover most alignment needs for trucks.
The set is built to last in harsh conditions. The metal box ensures easy access and tidy storage.
| Pros | Cons |
|---|---|
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Perfect For:
The SPC Performance H-D Truck Shim Set is perfect for mechanics and DIY enthusiasts who need a reliable shim alignment set. It’s heavy-duty and comes with a metal box to keep everything organized.
Ready to Purchase?
4. Atesilor 18 Pcs Metal Auto Lift Leveling Shim Kit For 2 Post 4 Post Car Lift Truck Jib Crane Install, Aluminium Horseshoe Tile Construction Spacer Fit For 3/4″ Anchor Bolt (1/4” & 1/8” & 1/16”)

The Atesilor 18 Pcs Metal Auto Lift Leveling Shim Kit is a must-have for car lift installation. It includes 18 shims in three thicknesses: 1/4”, 1/8”, and 1/16”. These shims ensure perfect leveling for your lift.
Made from T6061 aluminum alloy, these shims are strong and corrosion-resistant. They fit 3/4″ anchor bolts and work with 2-post and 4-post lifts.
The 2 x 2 inch U-shaped design provides better support for heavy vehicles. This kit is essential for accurate and efficient car lift setup.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for mechanics and lift installers needing precise leveling during car lift setups. Its T6061 aluminum alloy shims resist corrosion and handle heavy loads, while the U-shaped design fits 3/4″ bolts for 2-post or 4-post lifts.
Ready to Purchase?
5. Atesilor 60 Pcs Plastic Auto Lift Leveling Shim Kit For 2 Post 4 Post Car Lift Truck Jib Crane Install, Tile Construction Horseshoe Spacer Fit For 3/4″ Anchor Bolt (1/16″ Blue, 1/8″ Red, 1/4″ Black)

Get your car lift perfectly level with the Atesilor 60 Pcs Plastic Auto Lift Leveling Shim Kit! This kit is designed for easy and accurate installation of 2-post and 4-post car lifts.
These quality plastic shims won’t break. They offer great support for your lift. Use them for stable and reliable car maintenance.
The three-color system makes thickness easy to spot. This is a must-have tool for any car lift setup. Achieve perfect balance and efficiency every time.
| Pros | Cons |
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Perfect For:
This product is perfect for mechanics, auto shop owners, and installation professionals needing precise leveling for car lifts, truck jib cranes, or heavy equipment. The 60-piece set with color-coded shims (1/16″ blue, 1/8″ red, 1/4″ black) allows quick adjustments and long-term durability thanks to strong plastic material. Its U-shaped design boosts stability, making it ideal for 2-post or 4-post lifts with 3/4″ bolts.
Ready to Purchase?
6. 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

Profleet Axle Alignment Shims are 1/32-inch thick for precise alignment in Freightliner trucks. They fit popular models like Cascadia, Century, and M2 without modifications. Made of durable steel, they handle heavy loads and vibrations easily.
These shims are a cost-effective solution for fleet maintenance, improving fuel efficiency and safety. They’re compatible with many Freightliner trucks, making them a versatile choice for operators.
| Pros | Cons |
|---|---|
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Perfect For:
This Profleet Axle Alignment Shim is perfect for fleet managers and truck owners who need a reliable, cost-effective solution to keep their Freightliner trucks running smoothly. It’s ideal for heavy-duty vehicles like Cascadia, Century, Classic, and M2 models, ensuring precise alignment and longer tire life.
Ready to Purchase?
7. Super Carrier Shim kit for Ford 8.8″, GM 12 Bolt car & Truck, 8.6 & Vette

The Super Carrier Shim Kit is a must-have for car enthusiasts. It fits Ford 8.8″, GM 12 Bolt, and more. This kit makes gear changes smooth.
It has a wide range of shim thicknesses. Each shim is precision machined for a perfect fit. The interlocking design makes installation easy.
This kit is made in India. It’s built to last and works great. Get yours today for better performance!
| Pros | Cons |
|---|---|
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Perfect For:
This Super Carrier Shim Kit is perfect for car and truck owners who need a reliable and easy-to-install solution for their Ford 8.8″, GM 12 Bolt, 8.6, or Vette vehicles. It’s ideal for anyone looking to improve performance with precision-machined shims that fit perfectly.
Ready to Purchase?
8. 36 Pcs Plastic Leveling Shim Kit for 2 Post Car Lift, 4 Post Car Lift Shim for Truck & Jib Crane Install – Horseshoe Spacer for Automotive 2 Post Lift & 4 Post Lift Install – Fits 3/4″ Anchor Bolt

This 36-piece plastic leveling shim kit is perfect for car lift installations. It includes three thicknesses (1/16″, 1/8″, 1/4″) in three colors (blue, red, black) to meet all your leveling needs. The large quantity ensures you’re ready for any project.
Fits 2-post and 4-post lifts with 3/4″ anchor bolts. The U-shaped design spreads force evenly, making it 3x stronger than standard shims.
Made from high-hardness polymer, these shims are durable and stable. They’re essential for precise car lift alignment and long-term reliability.
| Pros | Cons |
|---|---|
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Perfect For:
This 36-piece shim kit is perfect for auto mechanics and DIY enthusiasts who need to level car lifts with precision. It’s ideal for 2-post and 4-post lifts, ensuring stable and accurate installations.
Ready to Purchase?
9. KarParts360 For 2010-2017 GMC Savana 3500 Leaf Spring Bumper Spacers | Round Shape | 0.75 Inches Overall Height | 2.5 Inches Overall Width | Plastic | Replacement For 20870046

This leaf spring bumper spacer fits 2010-2017 GMC Savana 3500 trucks. It replaces OEM part 20870046 with a plastic, round design.
The 0.75-inch height and 2.5-inch width match factory specs. Its plastic build resists rust and wear. The round shape ensures even pressure on suspension parts.
This part is brand new, sealed in a box. It’s a direct replacement for damaged or missing spacers. Easy to install, it helps keep your truck’s ride stable and safe.
| Pros | Cons |
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Perfect For:
This product is perfect for GMC Savana 3500 owners who need a reliable replacement for their leaf spring bumper spacers. It’s ideal for DIY repairs or professional mechanics looking for a durable, brand-new part.
Ready to Purchase?
10. Car Post Repair Shims 2 Pack Metal Sleeves to Restore Worn Terminals Fit Most Automotive and Commercial Truck Cable Connectors for Loose or Undersized Posts

Fix worn car terminals with these easy-to-install shims. They restore proper connections on loose or corroded posts. No tools needed—just place them around the post for a secure fit.
Made from durable metal alloy, these shims resist heat and moisture. They prevent voltage drops and improve electrical flow, keeping your vehicle running smoothly.
| Pros | Cons |
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Perfect For:
This product is perfect for car owners with loose or worn battery posts. It fixes electrical issues fast, no tools needed, and lasts in tough conditions.
Ready to Purchase?
Buying Guide
Commercial truck shims keep your fleet running smoothly. They fix gaps, align parts, and boost performance.
Choosing the right shims can save time and money. Here’s what to look for:
- Material: Pick durable materials like steel, aluminum, or high-hardness polymer. They resist wear and last longer.
- Thickness: Match shim thickness to your needs. Common sizes are 1/16”, 1/8”, and 1/4”.
- Compatibility: Ensure shims fit your truck model. Check for universal or brand-specific options.
- Purpose: Decide if you need shims for alignment, leveling, or repairs.
- Quantity: Buy kits with multiple pieces for future repairs or fleet maintenance.
- Ease of Use: Look for shims that are easy to install and adjust.
- Storage: Kits with organized cases or metal boxes keep shims tidy and ready to use.
With the right shims, your trucks stay reliable and efficient. Choose wisely for long-term savings and better performance.