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 # 058-00433
058-00433
Dimensions4.75"L x 4.75"W x 0.5"H
Weight0.71 LB
Unit of MeasureEach
Item # 215450
215450
Dimensions4.56"L x 0.38"W x 4.56"H
Weight0.61 LB
Unit of MeasureEach
Item # 14037
14037
Dimensions3"L x 1.33"W x 1.33"H
Weight0.78 LB
Unit of MeasureEach
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Custom Truck Capital: Financing That Moves With You
From your first truck to your next build, Custom Truck Capital™ powers your growth with custom financing, right from the Source. Click below to start your application!
Item # 429303TU
429303TU
Dimensions2.2"L x 0.6"W x 0.6"H
Weight0.22 LB
Unit of MeasureEach
Item # 453946TU
453946TU
Dimensions0.5"L x 0.3"W x 0.3"H
Weight0.02 LB
Unit of MeasureEach
Item # 714-0604
714-0604
Dimensions0.75"L x 1"W x 1"H
Weight0.02 LB
Unit of MeasureEach
Item # 717-0557
717-0557
Dimensions3"L x 1.5"W x 0.62"H
Weight0.72 LB
Unit of MeasureEach
Item # ROF00367
ROF00367
Dimensions3.5"L x 3.5"W x 1.69"H
Weight2.12 LB
Unit of MeasureEach
Item # 031-10009
031-10009
Dimensions1"L x 1"W x 0.63"H
Weight0.08 LB
Unit of MeasureEach
Item # 1005427
1005427
Dimensions4.5"L x 4.5"W x 0.91"H
Weight0.33 LB
Unit of MeasureEach
Item # 3064347
3064347
Dimensions4.15"L x 2.25"W x 1.25"H
Weight0.23 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 714-1509
714-1509
Dimensions1.5"L x 2.5"W x 0.06"H
Weight0.06 LB
Unit of MeasureEach
Item # 442535TU
442535TU
Dimensions1.3"L x 0.3"W x 0.3"H
Weight0.07 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 # 058-00408
058-00408
Unit of MeasureEach
Item # 1035515
1035515
Dimensions18.63"L x 8.5"W x 0.5"H
Weight21.00 LB
Unit of MeasureEach
Item # 229072
229072
Unit of MeasureEach
Item # 427913TU
427913TU
Dimensions2.7"L x 1.5"W x 1.5"H
Weight0.82 LB
Unit of MeasureEach
Item # 434352TU
434352TU
Dimensions1.5"L x 0.7"W x 0.7"H
Weight0.02 LB
Unit of MeasureEach
Item # 4965512
4965512
Dimensions3.1"L x 0.7"W x 0.7"H
Weight0.20 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 6I4421
6I4421
Dimensions47.24"L x 1.57"W x 14.17"H
Weight17.40 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 76105TU
76105TU
Dimensions1"L x 0.8"W x 0.8"H
Weight0.19 LB
Unit of MeasureEach
Item # 789-06043.3
789-06043.3
Dimensions7.75"L x 6"W x 0.13"H
Weight1.44 LB
Unit of MeasureEach
Item # 7-A-500
7-A-500
Dimensions8"L x 8"W x 0.25"H
Weight1.64 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
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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 # MHS760
MHS760
Weight2.89 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # MFL468082
MFL468082
Dimensions2.25"L x 2.25"W x 1.25"H
Weight0.60 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
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