Seals for Commercial Trucks & Heavy Equipment for Sale

Operating trucks and heavy equipment without proper sealing can be costly without the right components. When maintaining fleets, completing repairs, or servicing commercial vehicles, your team needs seals that will prevent leaks and contamination without increased risk of downtime.

At Custom Truck One Source, we understand that reliable sealing systems are at the center of your business. We offer our own engineered heavy-duty seals, as well as equipment and accessories by other great brands.

Browse our wide variety of sealing solutions and increase your fleet maintenance capabilities.

What Are Seals?

Seals are protective barriers that prevent fluid leaks and keep contaminants from making contact with critical systems. You might use seals to maintain hydraulic systems, protect engines, or ensure existing equipment continues functioning as intended.

From oil seals that protect rotating components to mechanical seals, static gaskets, specialty sealing kits, and more, you can count on our team to help find what’s right for a job. Custom Truck also has sealing components available for some of the most competitive prices on the market, making it affordable to expand your maintenance capabilities.

Uses for Our Seals

Professionals use our sealing solutions for various maintenance and repair applications. Our selections are used by fleet operators, service companies, and maintenance teams responsible for keeping commercial trucks and heavy equipment operating reliably.

We assist customers in finding seals for applications including:

  • Sealing rotating shafts in gearboxes and transmissions.
  • Protecting hydraulic systems from contamination and leaks.
  • Maintaining engine oil and coolant system integrity.
  • Preventing fluid loss in pumps and rotating assemblies.

Why Trust Custom Truck One Source for Seals?

Custom Truck One Source is invested in your operations. Our professionals want to see your team minimize downtime and increase your bottom line. Therefore, we carry sealing solutions from reputable brands to keep your equipment moving.

Unlike the competition, we offer you exceptional customer perks for sealing components:

  • Top-quality equipment: Custom Truck One Source sells seals that are durable and hard to find. Your fleet will benefit from superior sealing performance.
  • Informative product descriptions: Know what materials our seals are made from prior to purchase. Our experts let you know details like the dimensions, pressure ratings, and intended applications.
  • Dozens of U.S. locations: You can visit a Custom Truck One Source location to see sealing components up close.
  • Continuous support: You can speak to one of our representatives 24/7/365 for help with your sealing needs. We answer most questions over the phone and will drive out to your site to provide help when necessary.

Get a Quote for Seals Online

Custom Truck One Source sells the best maintenance and repair components available for your industry. To learn more about pricing, fill out a form to get a quote for our sealing solutions.

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Item # 2233505
2233505
Dimensions5.12"L x 0.28"W x 5.12"H
Weight0.01 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
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Item # 269-00111
269-00111
Weight1.56 LB
Unit of MeasureEach
Item # 208910
208910
Dimensions2.38"L x 2.38"W x 2.38"H
Weight0.10 LB
Unit of MeasureEach
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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 # 336016
336016
Dimensions1"L x 1"W x 1"H
Weight1.15 LB
Unit of MeasureEach
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Item # 66801
66801
Dimensions2.25"L x 2.25"W x 2.25"H
Weight0.05 LB
Unit of MeasureEach
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Item # 65325498TU
65325498TU
Dimensions1.2"L x 0.2"W x 1.2"H
Weight0.20 LB
Unit of MeasureEach
Item # 1090077
1090077
Dimensions4.53"L x 0.2"W x 4.53"H
Weight0.02 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 145527
145527
Dimensions7"L x 7"W x 0.13"H
Weight0.01 LB
Unit of MeasureEach
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Item # 181.AS3727097
181.AS3727097
Dimensions6.5"L x 6.5"W x 1.35"H
Weight0.70 LB
Unit of MeasureEach
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Item # 20-148
20-148
Dimensions2.75"L x 2.75"W x 9.25"H
Weight1.17 LB
Unit of MeasureEach
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Item # 215728
215728
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Item # 219859
219859
Dimensions6.25"L x 5.5"W x 2.75"H
Weight0.68 LB
Unit of MeasureEach
Item # 219044
219044
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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 # 221777
221777
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Item # 221298
221298
Weight0.04 LB
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Item # 231046
231046
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Item # 26378
26378
Dimensions5.63"L x 5.63"W x 1.38"H
Weight0.67 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 268-75022
268-75022
Dimensions4.5"L x 4.5"W x 0.49"H
Weight0.40 LB
Unit of MeasureEach
Item # 268-90166
268-90166
Dimensions5.5"L x 5.5"W x 2"H
Weight0.50 LB
Unit of MeasureEach
Item # 268-90081
268-90081
Weight2.10 LB
Unit of MeasureEach
Item # 268-90126
268-90126
Weight2.16 LB
Unit of MeasureEach
Item # 268-90125
268-90125
Weight5.56 LB
Unit of MeasureEach
Item # 268-70007
268-70007
Weight5.74 LB
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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 # 268-90079
268-90079
Weight0.01 LB
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Item # 268-90205
268-90205
Dimensions2.75"L x 2.75"W x 0.75"H
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