2021 Chevrolet Silverado 2500 HD Engine Parts
Find Your Specific 2021 Chevrolet Silverado 2500 HD Engine Parts
Below you will find various in-demand Chevrolet Engine Parts, components and accessories for your 2021 Silverado 2500 HD. Advance Auto Parts has popular Silverado 2500 HD parts like Valve Cover and Cylinder Heads, Engine Mounts, Engine Gaskets and Seals and more. You’ll also find aftermarket and OEM Engine Parts for other Silverado 2500 HD model years including
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2022,
2023 and more. Select a category of 2021 Chevrolet Silverado 2500 HD Engine Parts below and start saving instantly.
Popular 2021 Chevrolet Silverado 2500 HD Engine Parts Categories
Essential Engine Parts for 2021 Chevrolet Silverado 2500 HDs
aFe POWER – BladeRunner 3-1/2" Aluminum Cold Charge Pipe, Black (Part No.46-20449-B)
from
$323.99
Smooth transitions in the mandrel-bent aluminum pipes decrease turbulence and minimize pressure loss, increasing horsepower and torque. This kit includes high-quality, stainless-steel, spring-loaded t-bolt clamps and heavy-duty, 5-ply, polyester reinforced silicone coupling. This charge pipe kit also features factory style billet aluminum quick-connect adapters with O-ring seals to ensure a leak-free fit while maintaining superior strength and durability. Finished in wrinkle black powder coating with a unique laser-etched aFe POWER logo for a custom look.
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Product Features:
- Directly replace your Duramax’s restrictive charge pipe with aFe’s BladeRunner free-flowing, heat-resistant aluminum tube.
- TIG-Welded 3-1/2″ Aluminum Pipe
- Features Factory Style Quick-Connects With O-Ring Seals
- Features Premium Stainless-Steel Spring-Loaded T-Bolt Clamps And a 5-Ply Silicone Coupling
- 1/8″ NPT Port is Provided for Connecting Sensors or Water Methanol Injection
- Powder Coated Wrinkle Black for Heat and Corrosion Resistance
GM Genuine Parts – Oil Pan Seal (Part No.12621086)
from
$15.49
GM Genuine Parts Engine Oil Pan Seals 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:
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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
MAHLE Original – Engine Oil Pan Gasket Set (Part No.OS32284)
from
$21.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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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
Cloyes Performance – High Performance Timing Chain (Part No.9-302)
from
$241.99
High Performance 3/8″ Pitch Single Roller Replacement TRUE Roller Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.
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Product Features:
- A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
- Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- From stock replacement to high performance, Cloyes has the most complete timing chain catalog
- 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 engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S837)
from
$32.99
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- 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
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Carquest Premium – Engine Oil Level Sensor (Part No.SBA3659)
from
$34.99
The engine lubrication system is critical to engine operation and long life. On some vehicle applications, the engine control module monitors the engine oil level to ensure lubrication is not lost.
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Product Features:
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
National – Multi Purpose Seal (Part No.710601)
from
$50.99
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.
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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
Felpro – Engine Camshaft Thrust Plate (Part No.ES 73115)
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:
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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
GM Genuine Parts – Fuel Pump O-Ring (Part No.G41)
from
$15.99
GM Genuine Parts Multi Purpose Seals 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:
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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
Carquest Premium – Multi-Purpose Relay (Part No.RAA1737)
from
$51.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
Product Features:
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Product Features:
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Anchor – Engine Mount: Front Left, Front Right, 1 Piece (Part No.3176)
from
$109.99
Anchor 3176 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.
Product Features:
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Product Features:
- MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
- MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
- HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
- SUPERIOR BOND: A special Chemlok bonding agent is used to ensure a superior rubber-to-metal bond.
- HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
- For Years: 2001-2007
- Weight approx: 4 Lbs
- Part Group: 3176, 3176
Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72344)
from
$92.99
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:
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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
Felpro – Engine Oil Dipstick Tube O-Ring (Part No.73889)
from
$0.99
Engine Oil Dipstick Tube O-Ring
Carquest Premium – Crankshaft Sensor (Part No.CSC1065)
from
$55.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.
Product Features:
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Product Features:
- Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
- Manufactured in an anti-static environment to ensure reliability and stability.
- Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
- Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
GM Genuine Parts – Gen III/IV Lifter Guide (Part No.12595365)
from
$14.99
GM Genuine Parts Engine Valve Lifter Guide 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:
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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
Felpro – Engine Valve Cover Gasket Set (Part No.VS 50681)
from
$64.99
Product Features:
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- 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
GM Genuine Parts – Barometric Pressure Sensor (Part No.19418812)
from
$129.99
GM Genuine Parts Multi Purpose Pressure Sensors 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:
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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
Felpro – Fuel Pump Mounting Gasket (Part No.73158)
from
$5.99
Fuel Pump Mounting Gasket
Melling Select Performance – Valve Train Set Up Spring (Part No.VTSS100)
from
$12.99
Melling Performance valvetrain checking springs feature a low-tension design that allows them to be installed by hand for measuring piston-to-valve clearance, rocker arm ratio, and degreeing in a camshaft.
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Sealed Power – Engine Assembly Lubricant (Part No.55-400)
from
$10.49
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.
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Product Features:
- Formulated for pre-lubrication cam lobes, lifters & engine bearings
- Increases load carrying capacity
- Holds fast to surfaces
- Exacting tolerances
- Meets or exceeds OEM specifications
- 4.0 oz. Squeeze Container
Felpro – Engine Oil Cooler Gasket (Part No.72462)
from
$12.49
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:
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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
Dorman – Camshaft Position Sensor (Part No.917-744)
from
$38.99
This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.
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Product Features:
- Direct replacement – this engine camshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
- Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
- 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
Cloyes Performance – High Performance Timing Set (Part No.9-3159AR)
from
$258.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Double Roller 0.250″ Roller Diameter Chain for Reduced Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.
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Product Features:
- The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
- 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 Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
- 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.
Cloyes Performance – High Performance Timing Set (Part No.9-3673TE)
from
$311.99
Tensioner Elimination Kit for GM LS Engines Equipped with VVT. Kit Replaces the Chain and Crankshaft Sprocket to Tighten the Chain Fitment and Eliminate the Factory Tensioner.
Product Features:
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Product Features:
- The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
- 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 Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
- 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.
Sealed Power – Engine Valve Lifter (Part No.HT-2148A)
from
$24.99
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:
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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
Encore Automotive – Engine Valve Lifter (Part No.VL-D20004)
from
$20.99
Encore Automotive Valve Lifter is a steel cylinder designed to maintain zero valve clearance in a combustion engine.
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Product Features:
- Precisely tapered and machined to fit the specific application
- Designed to conserve energy by reducing heat escape
- Designed to conserve energy by reducing heat escapeáá
aFe POWER – Aluminum Oil Cap (Part No.79-12002)
from
$88.99
Aluminum Oil Cap
Carquest Premium – Oil Filler Cap (Part No.10114)
from
$13.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
Product Features:
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Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Upgrade your 2021 Chevrolet Silverado 2500 HD with Top-Quality Engine Parts
When it comes to maintaining or upgrading your 2021 Chevrolet Silverado 2500 HD, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Engine Parts are key to keeping your Silverado 2500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 37 Engine Parts for the 2021 Chevrolet Silverado 2500 HD, designed to meet your needs without breaking the bank.
From
Valve Cover and Cylinder Head
replacements to
Engine Mounts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 2021 Chevrolet Silverado 2500 HD at great prices.
Our Engine Parts inventory for this model
ranges from just $0.99 to $689.99, with
an average price of $74.06.
Our 37 Engine Parts in stock come from 12 trusted brands, so you’re sure to find the right part for your 2021 Chevrolet Silverado 2500 HD without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2021 Chevrolet Silverado 2500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Silverado 2500 HD in top shape, all in one place.
Start shopping confidently below for your 2021 Chevrolet Silverado 2500 HD!
Best-Selling Valve Cover and Cylinder Heads for 2021 Chevrolet Silverado 2500 HDs
Enhance the driving experience in your Chevrolet with 4 quality Valve Cover and Cylinder Head components, starting at $12.99.
Sealed Power – Engine Valve Lifter (Part No.HT-2148A)
from
$24.99
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:
See More
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
GM Genuine Parts – Gen III/IV Lifter Guide (Part No.12595365)
from
$14.99
GM Genuine Parts Engine Valve Lifter Guide 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:
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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
Felpro – Engine Cylinder Head Bolt Set (Part No.ES 73121)
from
$56.99
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:
See More
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
Melling Select Performance – Valve Train Set Up Spring (Part No.VTSS100)
from
$12.99
Melling Performance valvetrain checking springs feature a low-tension design that allows them to be installed by hand for measuring piston-to-valve clearance, rocker arm ratio, and degreeing in a camshaft.
See More
Most Popular 2021 Chevrolet Silverado 2500 HD Engine Mounts
Customize your Chevrolet with 2 Engine Mounts products
like Engine Mounts, all
priced under $79.99.
Anchor – Engine Mount (Part No.3587)
from
$79.99
Product Features:
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- This mount supports the engine and dampens vibration.
- Natural and SBR rubber provide maximum life and performance.
- Steel fasteners are heat treated grade 5 bolts.
- A special bonding agent is used to ensure a rubber to metal bond.
- Rubber material is mixed to specific Durometer, hardness.
- Limited Warranty.
- All mounts are specifically engineered and designed to OE standards using the latest CAD/CAM engineering process ensuring the highest consistency and quality.
- Only natural and Styrene Butadiene rubber is used to provide premium abrasion resistance and aging stability to ensure maximum life and performance.
- Any included fasteners are hardened steel with heat treated Grade No. 5 bolts.
- Chemlock bonding agent is used to ensure a superior rubber-to-metal bond.
- All Rubber material is manufactured to specific Durometer (hardness) measurements based on vehicle application requirements.
- Hydraulic Mounts, applicable where OE, are specifically engineered for high vibration and torque applications and are filled with special hydraulic fluid to dampen excess noise and vibration.
Anchor – Engine Mount (Part No.3588)
from
$68.99
Product Features:
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- This mount supports the engine and dampens vibration.
- Natural and SBR rubber provide maximum life and performance.
- Steel fasteners are heat treated grade 5 bolts.
- A special bonding agent is used to ensure a rubber to metal bond.
- Rubber material is mixed to specific Durometer, hardness.
- Limited Warranty.
- All mounts are specifically engineered and designed to OE standards using the latest CAD/CAM engineering process ensuring the highest consistency and quality.
- Only natural and Styrene Butadiene rubber is used to provide premium abrasion resistance and aging stability to ensure maximum life and performance.
- Any included fasteners are hardened steel with heat treated Grade No. 5 bolts.
- Chemlock bonding agent is used to ensure a superior rubber-to-metal bond.
- All Rubber material is manufactured to specific Durometer (hardness) measurements based on vehicle application requirements.
- Hydraulic Mounts, applicable where OE, are specifically engineered for high vibration and torque applications and are filled with special hydraulic fluid to dampen excess noise and vibration.
Top Picks for 2021 Chevrolet Silverado 2500 HD Engine Gaskets and Seals
Upgrade Chevrolet Silverado 2500 HDs with top-quality Engine Gaskets and Seals parts, including 6 OEM and aftermarket selections for your 2021 model.
GM Genuine Parts – Fuel Pump O-Ring (Part No.G41)
from
$15.99
GM Genuine Parts Multi Purpose Seals 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:
See More
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
Felpro – Engine Valve Cover Gasket Set (Part No.VS 50907 R)
from
$26.99
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:
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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
Victor Reinz – RTV Silicone (Part No.70-31414-10)
from
$9.99
Product Features:
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- Resistant to temperatures from -58 Deg. F to 482 Deg. F, and briefly up to 572 Deg. F (-50 Deg. C to 250 Deg. C, briefly to 300 Deg. C)
- Insignificant shrinkage and loss of mass even in high-heat environments
- Fast-curing, low-odor, noncorrosive (pH neutral, non-acidic, non-oxidizing), and will not harm oxygen sensors
- Sealing gap 0.006 in (0.15 mm)
GM Genuine Parts – GASKET (Part No.12619787)
from
$6.99
GASKET
GM Genuine Parts – Oil Pan Gasket (Part No.12666993)
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:
See More
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
Felpro – Fuel Pump Mounting Gasket (Part No.73158)
from
$5.99
Fuel Pump Mounting Gasket
In-Demand Engine Timing Parts for 2021 Chevrolet Silverado 2500 HDs
Select from 4 premium Engine Timing Parts parts for your 2021 Chevrolet Silverado 2500 HD, with prices ranging from $44.49 to $264.99.
Cloyes Gear – Engine Timing Chain (Part No.9-4205)
from
$44.49
Since 1921, Cloyes has been the trusted leader in automotive timing systems. Our timing chains are built to synchronize crankshaft and camshaft rotation with absolute accuracy, ensuring precise valve timing and long-term engine performance. Available as stand-alone chains or in complete kits, Cloyes timing chains are manufactured from premium materials, heat-treated, pre-stressed and engineered for a perfect chain-to-sprocket tooth fit – delivering quiet operation, durability, and OE-level performance you can count on. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading limited Warranty and technical support.
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Product Features:
- Pre-stressed and heat-treated steel construction for increased strength, and wear resistance, delivering long-term durability even in high-stress environments
- Cloyes chains are engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, and maintaining accurate timing
- Designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance
- Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
- Available in application-specific kit or as a stand-alone chain, offering installation flexibility and convenience
- Backed by Limited Lifetime Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
Cloyes Performance – HIGH PERFORMANCE SET (Part No.9-3678X5Z)
from
$264.99
Cloyes Performance Tensioner Elimination GM LT Engine Timing ¿Z¿ chain det eliminates the factory tensioner while maintaining tunable accurate timing for VVT-equipped LT engines. By removing the factory tensioner, this kit eliminates chain slack and potential failure. The ¿Z¿ chain offers superior strength and durability for VVT LT engines, reducing the risk of chain stretch or fatigue. The combination of Cloyes TRUE¿ Roller ¿Z¿ Chain and precision-machined sprockets ensures a center distance corrected timing drive for extreme performance on VVT-equipped LT engines.
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Product Features:
- Billet 5-keyway crank sprocket for ±4° adjustability with 2 custom diamond-impregnated friction washers for front and thrust hubs. Precision oil pump spline drive for durable, reliable oil pressure delivery.
- Billet 5-keyway crank sprocket for ▒4░ adjustability with 2 custom diamond-impregnated friction washers for front and thrust hubs. Precision oil pump spline drive for durable, reliable oil pressure delivery.
- TRUE Roller ¿Z¿ Chain (0.250¿) is Cloyes best chain featuring heat treated and processed links to maximize ultimate breaking strength while remaining ductile for toughness and pre-stressed to increase fatigue life.
- TRUE Roller ┐Z┐ Chain (0.250┐) is Cloyes best chain featuring heat treated and processed links to maximize ultimate breaking strength while remaining ductile for toughness and pre-stressed to increase fatigue life.
- Tensioner elimination guide provided to simplify installation and ensure proper lubrication and chain stability.
- Center distance corrected to eliminate chain slack for accurate tunable VVT phaser operation.
- Made in Paris, Arkansas, USA: all machined billet parts proudly manufactured in the USA.
Cloyes Performance – HIGH PERFORMANCE SET (Part No.9-3678X5)
from
$139.99
Cloyes Performance Tensioner Elimination GM LT Engine Timing Set eliminates the factory tensioner while maintaining tunable accurate timing for VVT-equipped LT engines. By removing the factory tensioner, this kit eliminates chain slack and potential failure. The combination of Cloyes TRUE¿ Roller chain, and precision-machined sprockets ensures a center distance corrected timing drive for reliable performance on VVT-equipped LT engines.
Product Features:
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Product Features:
- Billet 5-keyway crank sprocket for ±4° adjustability with 2 custom diamond-impregnated friction washers for front and thrust hubs. Precision oil pump spline drive for durable, reliable oil pressure delivery.
- Billet 5-keyway crank sprocket for ▒4░ adjustability with 2 custom diamond-impregnated friction washers for front and thrust hubs. Precision oil pump spline drive for durable, reliable oil pressure delivery.
- Premium Cloyes TRUE¿ roller chain (0.250¿) for reduced friction and smooth operation.
- Premium Cloyes TRUE┐ roller chain (0.250┐) for reduced friction and smooth operation.
- Tensioner elimination guide provided to simplify installation and ensure proper lubrication and chain stability.
- Center distance corrected to eliminate chain slack for accurate tunable VVT phaser operation.
- Made in Paris, Arkansas, USA: all machined billet parts proudly manufactured in the USA.
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S1111)
from
$80.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. As a critical component of the engine’s timing system, the crankshaft sprockets work in unison with the timing chain, tensioners, guides and other sprockets, to ensure precise timing. Cloyes engine timing crankshaft sprockets are precision-tooled with exact tooth geometry and a perfectly matched bore, off-set and timing index for superior fit, reliability, and long-term performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading limited Warranty and technical support.
Product Features:
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Product Features:
- Features precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs
- CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
- Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
- Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
- Backed by Limited Lifetime Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
Most Sold 2021 Chevrolet Silverado 2500 HD Camshafts
Explore our best-selling Chevrolet parts for the 2021 Silverado 2500 HD among 5 OEM and aftermarket options starting from $22.49.
GM Genuine Parts – Engine Camshaft Position Sensor (Part No.12636947)
from
$45.99
ACDelco GM Original Equipment Engine Camshaft Position Sensors monitor the rotational position of the camshaft(s), and are GM-recommended replacements for your vehicle’s original components. They provide a signal to the engine control module which compares the camshaft position with the crankshaft position to determine ignition and fuel injection timing. These original equipment engine camshaft 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:
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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
GM Genuine Parts – Engine Camshaft Position Sensor (Part No.12623093)
from
$29.99
ACDelco GM Original Equipment Engine Camshaft Position Sensors monitor the rotational position of the camshaft(s), and are GM-recommended replacements for your vehicle’s original components. They provide a signal to the engine control module which compares the camshaft position with the crankshaft position to determine ignition and fuel injection timing. These original equipment engine camshaft 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:
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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
Felpro – Engine Camshaft Thrust Plate (Part No.ES 73115)
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:
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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
Carquest Premium – Engine Camshaft Position Sensor (Part No.CSA4435)
from
$42.99
Carquest Premium camshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
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Product Features:
- Engineered with technology that provides increased accuracy with a stronger, more consistent signal
- Sensors are based on proven hall effect and variable reluctance technology
- Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
- O-rings and seals are included if required.
- Weather-tight connectors prevent leaks and corrosion for better reliability.
- Extensive design validation testing and 100% end-of-line tested.
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Dorman – Magnetic Camshaft Position Sensor (Part No.962-277)
from
$22.49
This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.
Product Features:
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Product Features:
- Direct replacement – this engine camshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
- Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
- 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
FAQs for 2021 Chevrolet Silverado 2500 HD Engine Parts
Which Engine Parts are best-sellers for 2021 Chevrolet Silverado 2500 HDs?
Out of 37 Engine Parts that fit 2021 Chevrolet Silverado 2500 HDs, the following parts are the top sellers:
- Engine Valve Lifter (12486346) – $24.99
- Gen III/IV Lifter Guide (11949076) – $14.99
- Engine Timing Chain (12152365) – $44.49
What’s the price range for 2021 Chevrolet Silverado 2500 HD Engine Parts?
Engine Part prices for the 2021 Chevrolet Silverado 2500 HD start at $0.99 and go up to $689.99 for the most premium parts.
What’s the average price of a Engine Part for a 2021 Chevrolet Silverado 2500 HD?
The average price for Engine Parts for the 2021 Chevrolet Silverado 2500 HD is $74.06. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Parts for other Chevrolet Silverado 2500 HD model years?
What are the cheapest Engine Parts for my 2021 Chevrolet Silverado 2500 HD?
The cheapest 2021 Chevrolet Silverado 2500 HD Engine Parts we carry in stock are:
- Engine Oil Dipstick Tube O-Ring (50251306) – $0.99
- Fuel Pump Mounting Gasket (50251311) – $5.99
- Oil Pan Gasket (12515458) – $6.29
- GASKET (50233893) – $6.99
- Engine Oil Cooler Gasket (50233897) – $8.39
What types of Engine Parts do you sell for my 2021 Chevrolet Silverado 2500 HD?
As of 3/1/26, these are some of the most in-demand types of Engine Parts for a 2021 Chevrolet Silverado 2500 HD:
Can I get help with 2021 Chevrolet Silverado 2500 HD Engine Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Engine Parts and more.
What is your return policy for Chevrolet Silverado 2500 HD Engine Parts?
Advance Auto Parts keeps returns simple. For new Chevrolet Silverado 2500 HD Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
