2012 GMC Sierra 2500 HD Engine Parts

Essential 2012 GMC Sierra 2500 HD Engine Parts

ACDelco – Engine Crankshaft Position Sensor (Part No.213-354)

Engine Crankshaft Position Sensor

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$99.99
ACDelco GM Original Equipment Engine Crankshaft Position Sensors monitor the position and rotational speed of the crankshaft, and are GM-recommended replacements for your vehicle’s original components. The signal from the crankshaft position sensor is used by the engine control module to determine fuel injection and ignition timing. These original equipment engine crankshaft position sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine timing and fuel injection running in sync
  • Helps provide proper alignment, positioning, and spacing for easy installation
  • Synchronizes engine valves and pistons for excellent engine performance
  • 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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Melling – Stock Replacement OE Type High Volume Oil Pump (Part No.M295HV)

Stock Replacement OE Type High Volume Oil Pump

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$229.99
Melling high volume oil pumps increase the amount of oil flow by an average of 20% through the engine improving oil pressure at idle providing dependable performance every time in every application. Every Melling high volume oil pump is engineered and ass

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues
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Dorman – 66201 Oil Cooler Line Gasket Assortment (Part No.A6310214644DOR)

66201 Oil Cooler Line Gasket Assortment

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$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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ACDelco – Oil Filler Cap Gaske (Part No.A6150209855ACD)

Oil Filler Cap Gaske

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$5.22
Oil Filler Cap Gaske

ACDelco – GM Original Equipment Engine Coolant Temperature Sensor (Part No.C6020409594ACD)

GM Original Equipment Engine Coolant Temperature Sensor

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$62.10
The ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Undergo the same stringent testing process as the original part
  • 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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Dorman – Turbocharger Oil Return Line (Part No.904-125)

Turbocharger Oil Return Line

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$92.99
This turbocharger oil line is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this turbocharger oil line matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this oil line is a reliable replacement for an original part that is leaking or has failed due to fatigue
  • 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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Sealed Power – Engine Piston Ring Set (Part No.E-942K)

Engine Piston Ring Set

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$155.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 60 Links, Timing Components, With Sprockets (Part No.9-4205SB)

Primary Timing Chain Kit: Exact Fit, 60 Links, Timing Components, With Sprockets

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$89.99
Designed for the replacement of worn or damaged timing chains, tensioners, and guides, Timing Chain Kits includes all components for a quick and efficient replacement. Each part is CAD designed and manufactured using premium materials. Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing.

Product Features:
  • Meet or exceed OEM performance requirements, ensuring a quiet and maintenance free experience
  • Utilizes the latest in design and technology to offer a complete chain kit solution
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
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Felpro – Turbocharger Mounting Gasket (Part No.61787)

Turbocharger Mounting Gasket

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$15.99
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
  • Validated for fit, form, and function
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
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Cloyes Performance – Engine Oil Pump Drive Gear (Part No.9-228)

Engine Oil Pump Drive Gear

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$21.99
Replacement Oil Pump Drive Nose / Gear for Cloyes High Performance LS Timing Chain Sets.

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, Cloyes Timing Chain Sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems
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PowerBond – Diesel Performance Race Harmonic Balancer; 198.5mm Diameter (Part No.PB1648DP)

Diesel Performance Race Harmonic Balancer; 198.5mm Diameter

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$453.99
For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.

Product Features:
  • Designed as premium OEM replacement balancers for serpentine and V-belt drives
  • Manufactured with ductile iron casting and injection bonded dampening rubber
  • Engineered to offer superior bonding strength between the balancer rings
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Carquest Premium – Engine Camshaft Position Sensor (Part No.CSA4435)

Engine Camshaft Position Sensor

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$22.49
Engine Camshaft Position Sensor

NTK – Manifold Absolute Pressure Sensor (Part No.MA0205)

Manifold Absolute Pressure Sensor

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$49.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
  • The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
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Felpro – Engine Valve Cover Grommet Set (Part No.ES 72233)

Engine Valve Cover Grommet Set

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$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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72188)

CYLINDER HEAD BOLT SET

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$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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Sealed Power – Engine Valve Lifter (Part No.HT-2148A)

Engine Valve Lifter

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$24.79
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • New OEM riveted pin retaining design
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Dorman – Engine Oil Level Dip Stick (Part No.A1110703628DOR)

Engine Oil Level Dip Stick

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$26.29
Re-engineered to address common failure points in the original design. Dorman’s Engine Oil Dipstick is differentiated by its long-lasting handle. Constructed of tough plastic, the handle won’t break or separate from the rod. Now you can perform your essential routine oil checks and changes with ease.

Product Features:
  • Clear marks on the rod promise easy-to-read oil levels
  • O-ring seals the top of the dipstick, prohibiting contaminants from escaping into the engine oil bay
  • Application-specific direct replacement for proper fit
  • Brightly-colored handle makes the dipstick easy to locate under the hood
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Felpro – Turbocharger Mounting Gasket Set (Part No.ES 73047)

Turbocharger Mounting Gasket Set

from

$72.99
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
  • Validated for fit, form, and function
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
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Dorman – Rear Main Seal Cover Kit (Part No.635-518)

Rear Main Seal Cover Kit

from

$74.99
Ensure the proper sealing of the engine with our Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality materials to stop and prevent engine oil leakage.

Product Features:
  • Rear Main Seal Cover Kit
  • Rear Main Seal Cover Kit
  • Ensure the proper sealing of the engine with our Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality materials to stop and prevent engine oil leakage.
  • SPECIAL TOOL REQUIRED FOR INSTALLATION┬á- GM alignment tool J414792B or Dorman 635-000 (or equivalent) is required to properly install cover assembly. Failure to use the correct tool and installation procedures will result in seal leaks.
  • Comes with bolts and gaskets – everything necessary for a complete repair
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Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45055)

Engine Timing Cover Gasket Set

from

$87.99
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 for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Mahle – Camshaft Adjuster Ga (Part No.A8012431459MAH)

Camshaft Adjuster Ga

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$11.86
Camshaft Adjuster Ga

Felpro – Multi-Purpose O-Ring (Part No.72401)

Multi-Purpose O-Ring

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$5.49
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
  • Application specific 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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National – Multi Purpose Seal (Part No.710892)

Multi Purpose Seal

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$64.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Victor Reinz – Engine Conversion Gasket Set (Part No.08-10078-01)

Engine Conversion Gasket Set

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$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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Carquest Premium – Multi Purpose Connector (Part No.PTA2919)

Multi Purpose Connector

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$56.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Mahle – Valve Stem Seal Kit (Part No.A8069849331MAH)

Valve Stem Seal Kit

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$40.12
Valve Stem Seal Kit

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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Popular 2012 GMC Sierra 2500 HD Engine Parts Categories

2012 GMC Sierra 2500 HD Engine Parts

You count on your 2012 GMC Sierra 2500 HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 251 Engine Parts ranging in price from $0.65 to $7,105.99, you’re sure to find everything you need for your 2012 GMC Sierra 2500 HD.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 26 different brands like Felpro, Dorman, and Sealed Power. 2012 GMC Sierra 2500 HD Engine Parts start as low as $0.65!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 4,095 extensive product reviews on 2012 GMC Sierra 2500 HD Engine Parts. Some of the top-rated Engine Parts products we carry are Multi-Purpose O-Ring with 4.9 stars and Stock Replacement OE Type Oil Pump with 4.5 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 2012 GMC Sierra 2500 HD below to get started!

Top-Rated Engine Parts Brands For Your 2012 GMC Sierra 2500 HD

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2012 GMC Sierra 2500 HD running right for years to come. In our inventory you’ll find brands like Felpro, Dorman, Sealed Power, and even more.

Popular MAHLE Original Engine Parts

You’ll find popular MAHLE Original brand products across Valve Cover and Cylinder Heads. All are waiting to get your 2012 GMC Sierra 2500 HD back on the road. Some of the top-rated MAHLE Original products in these categories are:
Cylinder Head Gasket
from $52.99
(4)
Cylinder Head Gasket
Cylinder Head Gaskets

FAQs for 2012 GMC Sierra 2500 HD Engine Parts

What are the most purchased Engine Parts for the 2012 GMC Sierra 2500 HD?

Out of 251 Engine Parts for the 2012 GMC Sierra 2500 HD, the most popular in our inventory are:
TIMING COVER GASKET SET
from $51.99
(42)
TIMING COVER GASKET SET
Timing Cover Gasket Sets
Engine Crankshaft Seal Kit
from $41.99
(31)
Engine Crankshaft Seal Kit
Rear Main Seal Sets
Rear Main Seal Cover Kit
from $74.99
(19)
Rear Main Seal Cover Kit
Rear Main Seal Sets

What are the top-rated 2012 GMC Sierra 2500 HD Engine Parts?

Top-rated Engine Parts for your 2012 GMC Sierra 2500 HD based on customer reviews/ratings are:
Multi-Purpose O-Ring
from $5.49
(41)
Multi-Purpose O-Ring
“Saved thousands on a motor rebuild”
Stock Replacement OE Type Oil Pump
from $121.99
(26)
Stock Replacement OE Type Oil Pump
“Updated design over factory took care of the small ticking sound in engine”
Engine Oil Filler Cap: 10099, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from $9.99
(22)
Engine Oil Filler Cap: 10099, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“Fit my 2006 Chevy Cobalt perfectly and for the cheap price it couldn’t be a better deal. I highly reccommend it. Also the AAP guy who sold it to me ma”