2003 Chevrolet Silverado 2500 HD Engine Parts

Essential 2003 Chevrolet Silverado 2500 HD Engine Parts

Dorman – Camshaft Phaser- Variable Timing Camshaft Gear (Part No.918-186)

Camshaft Phaser- Variable Timing Camshaft Gear

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$161.99
The variable valve timing sprocket is key to ensuring an engine’s performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original.

Product Features:
  • Direct replacement – this VVT sprocket fits and performs like the original sprocket
  • Durable construction – made from durable steel and precision machined for reliable performance
  • 100% new – this variable valve timing sprocket is entirely new, not a remanufactured part
  • Quality assured – vehicle-specific application has been validation tested to ensure quality
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50907 R)

Engine Valve Cover Gasket 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:
  • 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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MTC – Valve Cover (Part No.A3160685630MTC)

Valve Cover

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$150.65
Valve Cover

Dorman – Crankshaft Seal Cove (Part No.A2160751058DOR)

Crankshaft Seal Cove

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$67.53
Crankshaft Seal Cove

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

GM Original Equipment Engine Oil Pan Gasket

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$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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Sealed Power – Engine Crankshaft Thrust Washer Set (Part No.4996F)

Engine Crankshaft Thrust Washer Set

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$113.99
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:
  • Steel-backed bronze or aluminum alloy
  • Babbitt is used in automotive and high-performance
  • Designed to perform under extreme loads w/o damaging other engine parts
  • Babbitt is more environmentally friendly than other material
  • Aluminum offers greater seizure resistance than other materials
  • Highly reduces/eliminates bearing wear
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Dorman – Help – Power Band Clamp 2 – 2.5 Inch (Part No.55244)

Power Band Clamp 2 - 2.5 Inch

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$40.99
The flat surface on the original equipment hose clamps tend to apply uneven force on turbocharger pipes and hoses, often causing leaks and a loss of turbo pressure. This Dorman OE FIX Power Band Clamp features a patented curved profile that helps achieve a stronger seal than the factory clamp on boots and pipes. Powerbands are made of stainless steel, and have a low-profile spiral screw for easy installation in tight spaces.

Product Features:
  • Improved design – this Power Band Clamp’s patented curved profile provides a stronger seal to prevent pressure leaks up to 100 psi
  • Compact construction – low-profile spiral screw takes less space than the original T-bolt clamp and requires less torque for proper installation
  • Durable construction – made of tough stainless steel with a fully enclosed screw for strength and durability
  • Independently tested – validated by a third-party laboratory to ensure a more secure seal
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Carquest Premium – Automatic Transmission Fluid Temperature Sensor (Part No.SBE2079)

Automatic Transmission Fluid Temperature Sensor

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$98.99
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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ACDelco – GM Original Equipment Engine Hydraulic Cam Follower (Part No.A4010352802ACD)

GM Original Equipment Engine Hydraulic Cam Follower

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$62.94
The ACDelco GM Original Equipment Engine Hydraulic Valve Adjuster/Valve Lifter is a GM-recommended replacement for your vehicle’s original component. It automatically maintains a Zero valve lash condition, preventing valve train noise and unnecessary valve train component wear. This original equipment engine hydraulic valve adjuster/valve lifter has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. This is important on these types of high-labor-hour repairs because the part designs are enhanced to incorporate GM OE updates, upgrades, and Technical Service Bulletins. Only ACDelco can offer complete late-model coverage and all ACDelco GM OE Engine Components.

Product Features:
  • Adjusts the valves on your vehicle’s engine for proper 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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ACDelco – GM Original Equipment Motor Mount (Part No.A7000344397ACD)

GM Original Equipment Motor Mount

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$170.35
The ACDelco GM Original Equipment Motor Mount 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 – CRANKSHAFT FRONT SEAL SET (Part No.TCS 46193)

CRANKSHAFT FRONT SEAL SET

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$38.99
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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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-291)

Engine Valve Spring Retainer Keeper

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$0.65
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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Cardone New – Turbocharger Cartridge (Part No.2N-1009CHR)

Turbocharger Cartridge

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$1689.99
When turbochargers fail, the common response is the replacement of the entire unit. However, the damage is often isolated within the turbo cartridge, which contains the core components of the turbo assembly. By replacing just the cartridge, the remaining components can be salvaged and repair times reduced. CARDONE cartridges are assembled with O.E.-grade components to ensure high performance and durability.

Product Features:
  • Eliminates the need to replace the entire turbocharger
  • Allows for reuse of the original compressor and turbine housings
  • Direct O.E. replacement
  • Allows for replacement of turbocharger without the need for balancing
  • Supplied with O.E.-grade components for durability
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ACDelco – Engine Oil Level Sensor (Part No.D8055)

Engine Oil Level Sensor

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$39.99
An ACDelco Professional, premium aftermarket Engine Oil Level Sensor is a high quality replacement for many vehicles on the road today. It measures the oil level in your vehicle’s oil pan and will send warnings to the information center or dash panel if oil levels reach a level that is too low, as determined by General Motors engineers. This premium aftermarket replacement engine oil level sensor is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Mahle – Valley Pan Gasket (Part No.A8044686813MAH)

Valley Pan Gasket

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$52.44
Valley Pan Gasket

Dorman – Oil Filler Tube (Part No.A6144703681DOR)

Oil Filler Tube

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$47.47
Oil Filler Tube

Melling Select Performnce – High Performance High Volume Cast Aluminum Oil Pump (Part No.10296)

High Performance High Volume Cast Aluminum Oil Pump

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$287.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10296 high performance oil pump is a 18% high volume upgrade of the M296. The cast aluminum housing is CNC mac

Product Features:
  • 10% Higher pressure high performance upgrade over M295
  • 18% higher volume high performance upgrade over M295 and 10295
  • Die cast aluminum housing
  • Cast iron cover
  • Standard replacement steel rotors
  • Adjustable pressure relief valve
  • Includes original stock replacement pressure spring; not installed
  • Uses 7/8 inch diameter bolt on screen
  • Includes oil pump and oil pump screen mounting o-ring seals
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Dorman – Engine Oil Pan: Direct Fit, Aluminum, Center Sump, 5 Quart (Part No.264-480)

Engine Oil Pan: Direct Fit, Aluminum, Center Sump, 5 Quart

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$246.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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aFe POWER – Hot Charge Pipe (Part No.46-20119)

Hot Charge Pipe

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$313.99
The Bladerunner charge pipes produce 20 hp and 63 lbs./ft/ torque and outflow the factory tubes by 45 percent. With the increased flow of this Charge Pipe it will reduce you exhaust gas temperatures by 100 deg..

Product Features:
  • 3 in. Stainless Steel
  • 100% MIG-Welded
  • Welded-On aFe Power Plate
  • All Hardware Included
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aFe POWER – Cold Charge Pipe (Part No.46-20047)

Cold Charge Pipe

from

$244.99
The Bladerunner charge pipes produce 20 hp and 63 lbs./ft/ torque and outflow the factory tubes by 45 percent. With the increased flow of this Charge Pipe it will reduce you exhaust gas temperatures by 100 deg..

Product Features:
  • Stainless Steel
  • 100% MIG-Welded
  • All Hardware Included
  • Hassle Free Installation
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MAHLE Original – TURBO MOUNTING SET (Part No.GS33678)

TURBO MOUNTING SET

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$77.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Competition Cams – LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST (Part No.850-16)

LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST

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$284.99
COMP Cams Hydraulic Roller Lifters are a performance upgrade for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks. The roller wheel decreases friction and increases longevity when compared to flat tappet lifters. Hydraulic roller lifters can handle much more aggressive cam profiles than flat tappets unlocking performance potential.

Product Features:
  • .842″ diameter; 122g weight; 2.66″ seat height
  • Performance replacement for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks
  • Decrease friction and increase longevity when directly compared to flat tappet lifters
  • Accept much more aggressive cam profiles than flat tappet lifters will allow
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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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Cardone – Body Control Computer (Part No.73-1074F)

Body Control Computer

from

$132.99
CARDONE Remanufactured Body Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak peformance.

Product Features:
  • 100% re-soldering of critical components ensures superior electrical connections, prevents intermittent failures and extends product life.
  • All modules are 100% tested with automated computerized test equipment to ensure functionality and reliability.
  • Each unit comes loaded with the latest O.E. software calibration available, where applicable.
  • On-car validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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Dorman – Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each) (Part No.555-081)

Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each)

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$2.29
This engine camshaft plug 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 engine camshaft plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing 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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Dorman – Help – Coolant Bypass Seals (Part No.56390)

Coolant Bypass Seals

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$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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Sealed Power – Engine Intake Valve (Part No.V-4644)

Engine Intake Valve

from

$6.49
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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Popular 2003 Chevrolet Silverado 2500 HD Engine Parts Categories

2003 Chevrolet Silverado 2500 HD Engine Parts

You count on your 2003 Chevrolet Silverado 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 379 Engine Parts ranging in price from $0.30 to $6,919.99, you’re sure to find everything you need for your 2003 Chevrolet Silverado 2500 HD.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 31 different brands like Felpro, Sealed Power, and Dorman. 2003 Chevrolet Silverado 2500 HD Engine Parts start as low as $0.30!

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 4,110 extensive product reviews on 2003 Chevrolet Silverado 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 2003 Chevrolet Silverado 2500 HD below to get started!

Top-Rated Engine Parts Brands For Your 2003 Chevrolet Silverado 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 2003 Chevrolet Silverado 2500 HD running right for years to come. In our inventory you’ll find brands like Felpro, Sealed Power, Dorman, and even more.

Popular Melling Engine Parts

You’ll find popular Melling brand products across Oil Pumps. All are waiting to get your 2003 Chevrolet Silverado 2500 HD back on the road. Some of the top-rated Melling products in these categories are:
Stock Replacement Oil Pump Screen
from $100.99
(5)
Stock Replacement Oil Pump Screen
Engine Oil Pump Pickup Tube and Screens
Stock Replacement Type Oil Pump Intermediate Shaft
from $23.49
(1)
Stock Replacement Type Oil Pump Intermediate Shaft
Oil Pump Shafts

FAQs for 2003 Chevrolet Silverado 2500 HD Engine Parts

What are the most purchased Engine Parts for the 2003 Chevrolet Silverado 2500 HD?

Out of 379 Engine Parts for the 2003 Chevrolet Silverado 2500 HD, the most popular in our inventory are:
Engine Valve Lifter
from $12.99
(30)
Engine Valve Lifter
Engine Valve Lifters
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 2003 Chevrolet Silverado 2500 HD Engine Parts?

Top-rated Engine Parts for your 2003 Chevrolet Silverado 2500 HD based on customer reviews/ratings are:
Multi-Purpose O-Ring
from $5.49
(41)
Multi-Purpose O-Ring
“Fixed the low oil pressure at idle and ticking from the lifters”
Stock Replacement OE Type Oil Pump
from $121.99
(26)
Stock Replacement OE Type Oil Pump
“Great service.good job”
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”