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.

There are no filters available for this category at this time.
Item # 501-03001
501-03001
Dimensions0.28"L x 0.31"W x 0.31"H
Weight0.01 LB
Unit of MeasureEach
Item # 708-2969
708-2969
Weight0.16 LB
Unit of MeasureEach
Item # 717-0910
717-0910
Unit of MeasureEach
Call for Quote (833-727-8755)
closeclose
Load King Service Trucks - Built to serve
Whether you're looking for a standard service body or a full crane-equipped unit, Load King by Custom Truck One Source™ delivers dependable modular solutions. Choose from the Voyager® series bodies and Stinger® telescopic cranes, our Load King service trucks are built to serve fleets of all kinds.
Item # M1759
M1759
Dimensions6.5"L x 4"W x 2.5"H
Weight10.45 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 205284
205284
Dimensions5"L x 3.75"W x 0.25"H
Weight0.13 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 3016742
3016742
Dimensions3.90"L x 3.95"W x 0.55"H
Weight0.83 LB
Unit of MeasureEach
Item # 1064159
1064159
Dimensions0.39"L x 0.39"W x 0.39"H
Weight0.05 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
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 # 478078TU
478078TU
Dimensions0.90"L x 0.90"W x 1.05"H
Weight0.02 LB
Unit of MeasureEach
Item # LRG00088
LRG00088
Dimensions1.25"L x 1.25"W x 4"H
Weight0.10 LB
Unit of MeasureEach
Item # T109752
T109752
Unit of MeasureEach
Item # 031-40229
031-40229
Dimensions2.5"L x 2.5"W x 0.88"H
Weight0.90 LB
Unit of MeasureEach
Item # 058-00687
058-00687
Dimensions4"L x 4"W x 0.5"H
Weight0.51 LB
Unit of MeasureEach
closeclose
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 # 1008757
1008757
Unit of MeasureEach
Item # 1032420
1032420
Dimensions4.5"L x 4.5"W x 2.97"H
Weight1.07 LB
Unit of MeasureEach
Item # 438104TU
438104TU
Dimensions22.98"L x 7.99"W x 0.1"H
Weight0.66 LB
Unit of MeasureEach
Item # 717-0574
717-0574
Dimensions7"L x 3"W x 0.25"H
Weight2.58 LB
Unit of MeasureEach
Item # 78001TU
78001TU
Dimensions1.2"L x 1"W x 1"H
Weight0.04 LB
Unit of MeasureEach
Item # C1049263
C1049263
Dimensions2.5"L x 2"W x 0.25"H
Weight0.04 LB
Unit of MeasureEach
Item # C1055427
C1055427
Dimensions2.75"L x 2.75"W x 1.75"H
Weight0.20 LB
Unit of MeasureEach
Item # MK166040
MK166040
Dimensions6"L x 4"W x 3.062"H
Weight4.62 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 157.1003
157.1003
Dimensions13.515"L x 13.515"W x 0.062"H
Weight0.15 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # MHS758
MHS758
Weight1.85 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
closeclose
Load King Water Trucks
Every tank is built in-house by Load King™, our trusted manufacturing division. From dust control to construction and mining, Custom Truck One Source™ delivers non-potable water trucks built for performance, durability, and efficiency.
Item # 011-20014
011-20014
Dimensions0.68"L x 0.68"W x 0.44"H
Weight0.03 LB
Unit of MeasureEach
Item # 1007826
1007826
Dimensions2.38"L x 2.38"W x 0.59"H
Weight0.20 LB
Unit of MeasureEach
Related Content