2012 GMC Sierra 2500 HD Engine Gaskets and Seals

Essential 2012 GMC Sierra 2500 HD Engine Gaskets and Seals

Mahle – Oil Dipstick Seal (Part No.A1120666332MAH)

Oil Dipstick Seal

from

$2.54
Oil Dipstick Seal

Dorman – 66201 Oil Cooler Line Gasket Assortment (Part No.A6310214644DOR)

66201 Oil Cooler Line Gasket Assortment

from

$15.48
WARNING: This item cannot be returned for a replacement or refund if opened! Dorman’s Engine Oil Cooler Gasket is suitable for a range of automotive applications. It provides a tight, effective seal between the oil cooler lines and the engine.

Product Features:
  • Direct fit for a trouble-free replacement
  • Engineered from high-quality materials for long-lasting durability
  • Easy to install
  • Conveniently packaged in an assortment that contains three gaskets of different styles
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Mahle – Valley Pan Gasket (Part No.A8044686813MAH)

Valley Pan Gasket

from

$52.13
Valley Pan Gasket

Felpro – TIMING COVER GASKET SET (Part No.TCS 45993)

TIMING COVER GASKET SET

from

$51.99
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:
  • Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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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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Dorman – Silicon Valve Cover Gasket Set: Exact Fit, 25 Pieces (Part No.615-203)

Silicon Valve Cover Gasket Set: Exact Fit, 25 Pieces

from

$69.99
This valve cover gasket is designed to match the fit, function and performance of an original equipment gasket on specified vehicles. Made of durable materials, it is engineered to help ensure a long-lasting seal under extreme underhood conditions.

Product Features:
  • Direct replacement – this valve cover gasket is designed to match the fit, function and performance of an original equipment gasket on specified vehicles
  • Ideal solution – engineered to help ensure a secure seal when an original gasket is due for service or damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Driveworks – Oil Seal (Part No.S-4333N)

Oil Seal

from

$11.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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ACDelco – Oil Filler Cap Gaske (Part No.A6150209855ACD)

Oil Filler Cap Gaske

from

$5.22
Oil Filler Cap Gaske

Mahle – Valve Stem Seal Kit (Part No.A8069849331MAH)

Valve Stem Seal Kit

from

$40.12
Valve Stem Seal Kit

ACDelco – GM Original Equipment Oil Cooler Seal (Part No.A6310320812ACD)

GM Original Equipment Oil Cooler Seal

from

$37.49
The ACDelco GM Original Equipment Engine Oil Cooler Seal 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 – Lower Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 1 Piece Set (Part No.OS 30838)

Lower Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 1 Piece Set

from

$18.99
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 – GM Original Equipment Engine Oil Pan Gasket (Part No.A6130205054ACD)

GM Original Equipment Engine Oil Pan Gasket

from

$35.24
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 – Engine Lifter Valley Cover Gasket Set (Part No.MS 92465)

Engine Lifter Valley Cover Gasket Set

from

$41.99
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 repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Includes all parts needed to complete the repair
  • Includes all parts needed to complete the repair
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Felpro – Engine Lifter Valley Cover Gasket Set (Part No.MS 96169)

Engine Lifter Valley Cover Gasket Set

from

$46.99
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 repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Includes all parts needed to complete the repair
  • Includes all parts needed to complete the repair
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GM Genuine Parts – Oil Pan Cover Gasket: Nitrile Coated SS (Part No.12611384)

Oil Pan Cover Gasket: Nitrile Coated SS

from

$8.49
GM Genuine Parts Engine Oil Pan Cover Gasket 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 Crankshaft Seal Kit (Part No.BS 40673)

Engine Crankshaft Seal Kit

from

$33.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40640)

Engine Crankshaft Seal Kit

from

$41.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Mahle – Camshaft Adjuster Ga (Part No.A8012431459MAH)

Camshaft Adjuster Ga

from

$11.86
Camshaft Adjuster Ga

Dorman – Help – Coolant Bypass Seals (Part No.56390)

Coolant Bypass Seals

from

$9.99
This engine coolant water bypass gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine coolant water bypass gasket is designed to match the fit and function of the original gasket on specified vehicles
  • Restores functionality – this gasket is made to fit and fully restore functionality after the original part fails
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Felpro – Engine Coolant Crossover Pipe Mounting Set (Part No.ES 73027)

Engine Coolant Crossover Pipe Mounting Set

from

$19.99
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 for Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Quality that 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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Victor Reinz – Engine Conversion Gasket Set (Part No.08-10122-01)

Engine Conversion Gasket Set

from

$147.99
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

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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Victor Reinz – Engine Conversion Gasket Set (Part No.08-10078-01)

Engine Conversion Gasket Set

from

$165.99
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

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

Crank Seal Cover Gas

from

$11.24
Crank Seal Cover Gas

2012 GMC Sierra 2500 HD Engine Gaskets and Seals

Maybe you’re in the middle of a full rebuild of that 2012 GMC Sierra 2500 HD. Maybe you just need a couple of Engine Gaskets and Seals. Either way, Advance Auto Parts has 40 different Engine Gaskets and Seals in our inventory ranging from $2.54 to $298.99. That means you can find the exact parts or products you need to keep that 2012 GMC Sierra 2500 HD running smoothly.

Engine Gaskets and Seals are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 2012 GMC Sierra 2500 HD. Felpro, Dorman, 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 2012 GMC Sierra 2500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,827 reviews in this category, some of the top rated parts include Shaft Repair Sleeve with 5.0 stars and Engine Lifter Valley Cover Gasket Set with 5.0 stars.

So if you’re in the market for aftermarket Engine Gaskets and Seals to keep your 2012 GMC Sierra 2500 HD 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 2012 GMC Sierra 2500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2012 GMC Sierra 2500 HD 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 2500 HD the best it can be. Be sure to browse some of our top Engine Gaskets and Seals brands and parts.

Popular Dorman Engine Gaskets and Seals

We carry Dorman parts in our stock across Rear Main Seal Sets categories, plus more. For a 2012 GMC Sierra 2500 HD, our most popular Dorman Engine Gaskets and Seals include:
Rear Main Seal Cover Kit
from $74.99
(19)
Rear Main Seal Cover Kit
Rear Main Seal Sets

FAQs for 2012 GMC Sierra 2500 HD Engine Gaskets and Seals

What are the most purchased Engine Gaskets and Seals for the 2012 GMC Sierra 2500 HD?

Out of 40 Engine Gaskets and Seals for the 2012 GMC Sierra 2500 HD, the most popular in our inventory are:
Engine Crankshaft Seal Kit
from $41.99
(31)
Engine Crankshaft Seal Kit
Rear Main Seal Sets
Engine Valve Cover Gasket Set
from $25.99
(18)
Engine Valve Cover Gasket Set
Valve Cover Gaskets
Engine Valve Stem Oil Seal Set
from $36.99
(3)
Engine Valve Stem Oil Seal Set
Engine Valve Stem Seals

What are the top-rated 2012 GMC Sierra 2500 HD Engine Gaskets and Seals?

Top-rated Engine Gaskets and Seals for your 2012 GMC Sierra 2500 HD based on customer reviews/ratings are:
Shaft Repair Sleeve
from $43.99
(2)
Shaft Repair Sleeve
“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”
Engine Lifter Valley Cover Gasket Set
from $46.99
(1)
Engine Lifter Valley Cover Gasket Set
“Good fit and price”
Engine Coolant Crossover Pipe Mounting Set
from $19.99
(1)
Engine Coolant Crossover Pipe Mounting Set
“These are the 4 o-rings that embed themselves up in the steam vent stands (gotta pick out the old ones). But the package also comes with the flat gask”