2026 GMC Sierra 2500 HD Engine Gaskets and Seals

Keep Your 2026 GMC Sierra 2500 HD in Top Shape with a Quality Engine Gaskets and Seal

When it comes to maintaining or upgrading your 2026 GMC Sierra 2500 HD, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Engine Gaskets and Seal for your Sierra 2500 HD. We currently carry a top Engine Gaskets and Seal in stock that is built to last. Whether you’re replacing a damaged Engine Gaskets and Seal or looking to upgrade, our selection for the 2026 GMC Sierra 2500 HD ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Oil Pans and Valve Cover and Cylinder Heads to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2026 GMC Sierra 2500 HD running smoothly and looking great.

Essential 2026 GMC Sierra 2500 HD Engine Gaskets and Seals

MAHLE Original – Engine Oil Pan Gasket Set (Part No.OS32284)

Engine Oil Pan Gasket Set

from

$21.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • Oil pan gasket set contains all gaskets required.
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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GM Genuine Parts – Oil Pan Gasket (Part No.12666993)

Oil Pan Gasket

from

$6.29
GM Genuine Parts Engine Oil Pan Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30693 R)

Engine Oil Pan Gasket Set - PermaDry molded rubber

from

$67.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SUPERIOR SEAL – Manufactured with rubber compounds to ensure a consistent and long-life seal across the entire oil pan
  • PREVENTS OVERTIGHTENING – Torque limiters help eliminate overtightening and gasket splitting and extruding (where applicable)
  • OE-STYLE REPLACEMENT GASKET – Engineered for OE-style molded rubber gasket replacement
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
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Felpro – Engine Oil Pan Gasket Set – High-temperature Rubber-coated fiber (Part No.OS 30748)

Engine Oil Pan Gasket Set - High-temperature Rubber-coated fiber

from

$20.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SUPERIOR SEAL – Manufactured with rubber compounds to ensure a consistent and long-life seal across the entire oil pan
  • PREVENTS OVERTIGHTENING – Torque limiters help eliminate overtightening and gasket splitting and extruding (where applicable)
  • OE-STYLE REPLACEMENT GASKET – Engineered for OE-style molded rubber gasket replacement
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
  • ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
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GM Genuine Parts – Oil Pan Gasket (Part No.12612350)

Oil Pan Gasket

from

$65.99
GM Genuine Parts Engine Oil Pan Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30714 R)

Engine Oil Pan Gasket Set - PermaDry molded rubber

from

$40.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Victor Reinz – Engine Oil Pan Gasket Set (Part No.10-10238-01)

Engine Oil Pan Gasket Set

from

$33.99
Built to meet or exceed the standards of original equipment manufacturers around the world and avoid comebacks Victor Reinz oil pan gaskets deliver the seal that prevents drops on the driveway. Victor Reinz engineers select the best designs and materials for the specific application. The level of sophistication in oil pan gasket form and function has jumped greatly in recent years, with the gasket often being an integral part of the manufacturers efforts to control engine noise, vibration, and harshness (NVH). Only a company with innovative gasket technology can supply the right gasket for every application, new or old.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – Engine Oil Pan Gasket Set, 18 Bolt Hole, One Piece Gasket (Part No.OS 30838)

Engine Oil Pan Gasket Set, 18 Bolt Hole, One Piece Gasket

from

$19.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More

Victor Reinz – Engine Oil Pan Gasket Set (Part No.10-10437-01)

Engine Oil Pan Gasket Set

from

$59.99
Built to meet or exceed the standards of original equipment manufacturers around the world and avoid comebacks Victor Reinz oil pan gaskets deliver the seal that prevents drops on the driveway. Victor Reinz engineers select the best designs and materials for the specific application. The level of sophistication in oil pan gasket form and function has jumped greatly in recent years, with the gasket often being an integral part of the manufacturers efforts to control engine noise, vibration, and harshness (NVH). Only a company with innovative gasket technology can supply the right gasket for every application, new or old.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Most Popular Oil Pan Gasket for 2026 GMC Sierra 2500 HDs

Enhance your 2026 GMC Sierra 2500 HD with this popular Oil Pan Gasket we have in stock, for $6.29.

GM Genuine Parts – Oil Pan Gasket (Part No.12666993)

Oil Pan Gasket

from

$6.29
GM Genuine Parts Engine Oil Pan Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

FAQs for 2026 GMC Sierra 2500 HD Engine Gaskets and Seals

What’s the price range for 2026 GMC Sierra 2500 HD Engine Gaskets and Seals?

We currently have just one Engine Gaskets and Seals for the 2026 GMC Sierra 2500 HD in stock: Oil Pan Gasket and it costs $6.29.

Does Advance Auto Parts sell Engine Gaskets and Seals for other GMC Sierra 2500 HD model years?

Yes, we carry Engine Gaskets and Seals for 24 model years of GMC Sierra 2500 HDs between 2001 and 2025. The following model years are the most popular for Engine Gaskets and Seal purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

Does Advance Auto Parts sell Engine Gaskets and Seals for any other 2026 GMC models?

Yes. We stock Engine Gaskets and Seals for 3 other popular 2026 GMC models. Some of the most popular are 2026 Sierra 1500 Engine Gaskets and Seals, 2026 Sierra 3500 HD Engine Gaskets and Seals, 2026 Yukon Engine Gaskets and Seals, and 2026 Yukon XL Engine Gaskets and Seals.

What types of Engine Gaskets and Seals do you sell for my 2026 GMC Sierra 2500 HD?

We currently have just 1 Engine Gaskets and Seal in stock for a 2026 GMC Sierra 2500 HD, and as of 11/2/25, it is an Oil Pan Gasket.

Can I get help with 2026 GMC Sierra 2500 HD Engine Gaskets and Seal orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Engine Gaskets and Seals and more.

What is your return policy for GMC Sierra 2500 HD Engine Gaskets and Seals?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 HD Engine Gaskets and Seals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.