2021 GMC Sierra 1500 Engine Gaskets and Seals

Essential 2021 GMC Sierra 1500 Engine Gaskets and Seals

Mahle – Intake Manifold Gask (Part No.A8040580030MAH)

Intake Manifold Gask

from

$42.46
Intake Manifold Gask

Mahle – Mahle Intake Plenum Gasket Set (Part No.A8048373876MAH)

Mahle Intake Plenum Gasket Set

from

$35.41
WARNING: This item cannot be returned for a replacement or refund if opened! Mahle is the largest gasket manufacturer in the world, providing you original equipment design and quality and world class aftermarket service. Mahle does not just cut gaskets – it designs total system sealing approaches that utilize application engineering. This means that regardless of what application you are trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific application – this systems sealing approach requires a variety of materials. No other gasket manufacturer offers the Application Engineered approach to sealing an engine. A variety of different gasket materials insure an engine gets the optimal seal. All gaskets are not created equal – Mahle gaskets prove it every day.

Product Features:
  • Original equipment design and quality
  • Utilizes OE equivalent or better materials
  • Packaged in shrink wrapped tray
  • Every part you need to complete your gasket repair in one package unless otherwise stated
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Felpro – Fuel Injection Plenum Gasket Set (Part No.MS 96932)

Fuel Injection Plenum Gasket Set

from

$34.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 71039)

Engine Valve Stem Oil Seal Set

from

$36.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • RIGHT TYPE — Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS — Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE — Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID — Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE — Available for domestic and foreign nameplate vehicles
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 71039-1)

Engine Valve Stem Oil Seal Set

from

$31.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • RIGHT TYPE — Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS — Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE — Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID — Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE — Available for domestic and foreign nameplate vehicles
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Mahle – Valve Stem Seal Kit (Part No.A8069849331MAH)

Valve Stem Seal Kit

from

$40.12
Valve Stem Seal Kit

Felpro – Oil Cooler Gasket Mounting Set (Part No.73127)

Oil Cooler Gasket Mounting Set

from

$14.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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ACDelco – GM Original Equipment Valve Cover Gasket (Part No.A8030432024ACD)

GM Original Equipment Valve Cover Gasket

from

$33.19
The ACDelco GM Original Equipment Valve Cover Gasket is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50907 R)

Engine Valve Cover Gasket Set

from

$21.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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 help ensure a consistent and long-life seal
  • PRECISE DESIGN — Engineered to work with the embossed cover and pan flanges
  • PREVENTS OVERTIGHTENING — Features compression limiters incorporated into the design to help eliminate overtightening (application specific)
  • 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
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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ACDelco – Valve Cover Gasket (Part No.A8030580015ACD)

Valve Cover Gasket

from

$7.96
Valve Cover Gasket

Felpro – O-RING (Part No.73193)

O-RING

from

$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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ACDelco – Oil Filler Cap Gaske (Part No.A6150209855ACD)

Oil Filler Cap Gaske

from

$5.22
Oil Filler Cap Gaske

Felpro – Engine Oil Pan Gasket Set (Part No.OS 30893)

Engine Oil Pan Gasket Set

from

$47.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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ACDelco – GM Original Equipment Engine Oil Pan Gasket (Part No.A6130354263ACD)

GM Original Equipment Engine Oil Pan Gasket

from

$16.89
ACDelco GM Original Equipment Engine Oil Pan Gasket is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – GM Original Equipment Engine Oil Pan Gasket (Part No.A6130409907ACD)

GM Original Equipment Engine Oil Pan Gasket

from

$79.06
ACDelco GM Original Equipment Engine Oil Pan Gasket is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Felpro – Upper Oil Pan Gasket Set: PermaDry Molded Rubber, 1 Piece Set (Part No.OS 30693 R)

Upper Oil Pan Gasket Set: PermaDry Molded Rubber, 1 Piece Set

from

$66.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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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Felpro – OIL PAN GASKET SET (Part No.OS 30680 R)

OIL PAN GASKET SET

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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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ACDelco – Crank Seal Cover Gas (Part No.A2161579544ACD)

Crank Seal Cover Gas

from

$11.24
Crank Seal Cover Gas

Mahle – Oil Dipstick Seal (Part No.A1120666332MAH)

Oil Dipstick Seal

from

$2.54
Oil Dipstick Seal

2021 GMC Sierra 1500 Engine Gaskets and Seals

Maybe you’re in the middle of a full rebuild of that 2021 GMC Sierra 1500. Maybe you just need a couple of Engine Gaskets and Seals. Either way, Advance Auto Parts has 14 different Engine Gaskets and Seals in our inventory ranging from $2.54 to $42.46. That means you can find the exact parts or products you need to keep that 2021 GMC Sierra 1500 running smoothly.

Engine Gaskets and Seals are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 2021 GMC Sierra 1500. Felpro, AC Delco, and GM Genuine Parts are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Gaskets and Seals for your 2021 GMC Sierra 1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Engine Gaskets and Seals to keep your 2021 GMC Sierra 1500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Gaskets and Seals Brands To Make Your 2021 GMC Sierra 1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2021 GMC Sierra 1500 demands trusted brand parts and products to keep it running. Many trusted brands of Engine Gaskets and Seals make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 1500 the best it can be. Be sure to browse some of our top Engine Gaskets and Seals brands and parts.

Popular Felpro Engine Gaskets and Seals

We carry Felpro parts in our stock across Engine Valve Stem Seals categories, plus more. For a 2021 GMC Sierra 1500, our most popular Felpro Engine Gaskets and Seals include:
Engine Valve Stem Oil Seal Set
from $36.99
(3)
Engine Valve Stem Oil Seal Set
Engine Valve Stem Seals

FAQs for 2021 GMC Sierra 1500 Engine Gaskets and Seals

What are the most purchased Engine Gaskets and Seals for the 2021 GMC Sierra 1500?

Out of 14 Engine Gaskets and Seals for the 2021 GMC Sierra 1500, the most popular in our inventory are:
O-RING
from $4.49
This product is not rated
O-RING
Engine Oil Filler Cap Seals
Intake Manifold Gask
from $4.22
This product is not rated
Intake Manifold Gask
Plenum Gasket Sets
Oil Filler Cap Gaske
from $5.22
This product is not rated
Oil Filler Cap Gaske
Engine Oil Filler Cap Gaskets