Spacers for Commercial Trucks & Heavy Equipment

Find high-quality spacers designed to support precise spacing, alignment, and sealing in commercial truck systems. From utility vehicles to heavy-duty specialty rigs, our sealing spacers help reduce vibration, improve component fit, and protect sensitive parts from wear and contamination — keeping your fleet running efficiently.

When you buy commercial trucks, making an informed purchase is essential to keep your business moving forward efficiently. Millions of buyers are looking for their next truck on Commercial Truck Trader this month, highlighting an active and competitive market. It’s important to consider the cost and price of commercial trucks, including available tax incentives that may allow deductions of up to 100% of the purchase for eligible businesses. These financial benefits can significantly reduce the total cost of ownership and make buying or leasing a new vehicle more affordable.

The right spacer not only supports your business’s operational goals but also ensures that your vehicles are ready to take on any demanding work, from city deliveries to long-haul runs.

Introduction to Spacers

Spacers play a vital role in the commercial vehicle industry, serving as a key component in enhancing the performance and efficiency of trucks, day cabs, vans, and trailers. Designed to create the necessary gap between parts, spacers help reduce wear, improve maneuverability, and maximize payload capacity—critical factors for any business looking to keep its fleet running smoothly. Whether you manage a large fleet or are searching through thousands of listings for the right vehicle, understanding how spacers are designed to fit your specific needs can make all the difference. The right spacer not only supports your business’s operational goals but also ensures that your vehicles are ready to take on any job, from city deliveries to long-haul runs. With so many options available, making an informed purchase is essential to keep your business moving forward efficiently.

Durable, Quality Truck Spacers for Critical Applications

At Custom Truck One Source, we offer an extensive selection of spacers for commercial truck and heavy equipment applications. Whether you’re maintaining boom trucks, service trucks, trailers, or other industrial vehicles, our spacers are engineered to deliver the durability and fit your equipment demands. Available in various sizes, shapes, and material specifications, these spacers support tasks such as:

  • Component spacing & alignment for mechanical assemblies
  • Support and separation in sealing and mounting applications
  • Wear reduction between moving parts
  • Vibration absorption in high-load environments

Our sealing spacers help reduce vibration, improve component fit, and protect sensitive parts from wear and contamination — keeping your fleet running efficiently. By supporting the power and powerful performance of commercial trucks, our spacers ensure your vehicles can run reliably during even the most demanding operations.

Each spacer is built to meet the performance expectations of service professionals and fleet managers. Proactively making changes to spacers or related components can further optimize vehicle performance and operational efficiency.

Why Choose Custom Truck One Source?

Custom Truck One Source is your trusted partner for commercial truck parts. We combine a vast inventory, knowledgeable support staff, and easy online ordering to make parts sourcing seamless. Our sealing spacers are sourced from reputable manufacturers and backed by service professionals who understand heavy-duty equipment requirements.

  • Comprehensive inventory for trucks, trailers, pickups, and equipment—pickups are available for versatile work and business needs
  • Fast online ordering with clear specifications
  • Industry-experienced support team ready to assist
  • Nationwide distribution for quick delivery

We also support electric vehicle components, including guidance on how to charge electric trucks or vans for efficient operation.

All offers and services are subject to specific terms. Please review these terms to ensure eligibility and compliance.

Shop Spacers Online

Explore our selection below and add the spacers your fleet needs to your cart. For custom sizing or technical assistance, call our parts specialists — we’re here to help ensure you get the right part the first time.

Don’t miss out on special offers and promotions available this month on commercial trucks and parts—shop now to take advantage of these limited-time deals.

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Item # 442544TU
442544TU
Dimensions3"L x 1"W x 1"H
Weight1.92 LB
Unit of MeasureEach
Item # 446761TU
446761TU
Dimensions5"L x 3"W x 5"H
Weight3.64 LB
Unit of MeasureEach
Item # 460187TU
460187TU
Dimensions1.7"L x 0.7"W x 0.7"H
Weight0.24 LB
Unit of MeasureEach
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Industry Leading Hi-Rail Equipment
As North America’s largest Hi-Rail fleet dealer, Custom Truck One Source™ combines nationwide reach with specialized expertise. Whether you’re renting or buying, you’re backed by the Source for rail-ready performance.
Item # 65300989TU
65300989TU
Dimensions2.1"L x 1.5"W x 1.7"H
Weight0.40 LB
Unit of MeasureEach
Item # 787-00326
787-00326
Dimensions0.75"L x 0.75"W x 0.38"H
Weight0.05 LB
Unit of MeasureEach
Item # 789-06044.3
789-06044.3
Dimensions7.75"L x 6"W x 0.26"H
Weight2.91 LB
Unit of MeasureEach
Item # MN9256
MN9256
Dimensions3.5"L x 3.5"W x 0.2"H
Weight0.50 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # MHT681
MHT681
Dimensions3.5"L x 1.25"W x 1.25"H
Weight0.61 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # MK16923
MK16923
Dimensions6.125"L x 4.125"W x 0.25"H
Weight2.30 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 65302530TU
65302530TU
Dimensions4"L x 2.2"W x 3"H
Weight1.15 LB
Unit of MeasureEach
Item # 1004437
1004437
Dimensions1"L x 0.75"W x 0.75"H
Weight0.10 LB
Unit of MeasureEach
Item # 1007825
1007825
Dimensions2.38"L x 2.38"W x 1.34"H
Weight0.45 LB
Unit of MeasureEach
Item # 328594-13X
328594-13X
Dimensions7.90"L x 7.75"W x 1.55"H
Weight1.34 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
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Heavy Duty Dump Trucks
Haul smarter with a dump truck from Custom Truck One Source™. Engineered for strength, balance, and performance, our heavy-duty dump trucks offer power, durability, and reliability for every job.
Item # 401291TU
401291TU
Dimensions7.99"L x 0.3"W x 2"H
Weight1.39 LB
Unit of MeasureEach
Item # 4P4369
4P4369
Dimensions0.98"L x 0.98"W x 0.79"H
Weight0.10 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 789-06045.3
789-06045.3
Dimensions7.75"L x 6"W x 0.38"H
Weight4.39 LB
Unit of MeasureEach
Item # 714-1368
714-1368
Dimensions3.13"L x 0.5"W x 0.5"H
Weight0.06 LB
Unit of MeasureEach
Item # MHS756
MHS756
Weight1.25 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 1209-99
1209-99
Dimensions4.38"L x 4.38"W x 0.06"H
Weight0.02 LB
Unit of MeasureEach
Item # 031-40225
031-40225
Dimensions2.5"L x 2.5"W x 0.81"H
Weight0.80 LB
Unit of MeasureEach
Item # 1004341
1004341
Dimensions5.97"L x 5.97"W x 0.38"H
Weight0.24 LB
Unit of MeasureEach
Item # 1005429
1005429
Dimensions4.5"L x 4.5"W x 3.69"H
Weight1.33 LB
Unit of MeasureEach
Item # 1037319
1037319
Dimensions1.14"L x 1.14"W x 1"H
Weight1.00 LB
Unit of MeasureEach
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Roll-Off Trucks for Every Region
From waste management to heavy hauling, Custom Truck One Source™ provides coast-to-coast Roll-Off solutions, including Western-spec options built to meet local regulations and your business demands.
Item # 1083612
1083612
Dimensions2.17"L x 0.79"W x 0.79"H
Weight0.20 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 394-00039
394-00039
Unit of MeasureEach
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