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.

Item # 268-91013
268-91013
Dimensions3"L x 3"W x 1"H
Weight0.10 LB
Unit of MeasureEach
Item # 347-00501
347-00501
Dimensions6.5"L x 6.5"W x 0.25"H
Weight0.05 LB
Unit of MeasureEach
Item # 208402
208402
Unit of MeasureEach
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With $50+ million in OEM & aftermarket inventory, same-day & next-day shipping five days a week (M-F), and free ground shipping on orders over $500, you can count on us to be your One Source for parts that keep you working.
Item # 268-90029
268-90029
Weight1.42 LB
Unit of MeasureEach
Item # 212700
212700
Unit of MeasureEach
Item # 218674
218674
Unit of MeasureEach
Item # H34080TU
H34080TU
Dimensions2.5"L x 0.2"W x 2.5"H
Weight0.07 LB
Unit of MeasureEach
Item # PS01980
PS01980
Dimensions2.10"L x 3.10"W x 0.45"H
Weight0.10 LB
Unit of MeasureEach
Item # 129888
129888
Dimensions1.5"L x 1.5"W x 0.13"H
Weight0.00 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 2096063
2096063
Dimensions2.05"L x 2.05"W x 9"H
Weight335.00 LB
Unit of MeasureEach
Item # 2863702
2863702
Dimensions5.15"L x 5.1"W x 0.1"H
Weight0.01 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 3103015
3103015
Dimensions0.65"L x 0.65"W x 0.3"H
Weight0.01 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 33751
33751
Dimensions4.75"L x 4.75"W x 0.88"H
Weight0.29 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
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Item # 37397
37397
Dimensions1.38"L x 1.38"W x 6.25"H
Weight67.00 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 432104TU
432104TU
Dimensions4.5"L x 1.5"W x 4.5"H
Weight0.22 LB
Unit of MeasureEach
Item # 450400TU
450400TU
Dimensions2"L x 0.7"W x 0.7"H
Weight0.04 LB
Unit of MeasureEach
Item # 4965569
4965569
Dimensions9.08"L x 8.5"W x 1.85"H
Weight1.37 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 68680
68680
Dimensions9"L x 4"W x 1"H
Weight0.25 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 70742TU
70742TU
Dimensions4.3"L x 0.5"W x 0.5"H
Weight0.31 LB
Unit of MeasureEach
Item # 72049TU
72049TU
Dimensions5.5"L x 1"W x 1"H
Weight0.31 LB
Unit of MeasureEach
Item # 840.CRS001
840.CRS001
Dimensions6.75"L x 6.75"W x 1.625"H
Weight0.37 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # MX301X
MX301X
Dimensions5.875"L x 5.812"W x 1.062"H
Weight0.30 LB
Unit of MeasureEach
Eligible for FREE GROUND Shipping
Item # 401623TU
401623TU
Dimensions5"L x 2"W x 5"H
Weight0.26 LB
Unit of MeasureEach
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Item # 424697TU
424697TU
Dimensions4"L x 1"W x 4"H
Weight0.04 LB
Unit of MeasureEach
Item # 448169TU
448169TU
Dimensions11.69"L x 4.3"W x 4.3"H
Weight5.73 LB
Unit of MeasureEach
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