2003 Chevrolet Silverado 2500 Engine Parts

Essential 2003 Chevrolet Silverado 2500 Engine Parts

ACDelco – GM Original Equipment Engine Oil Filler Cap (Part No.A6140205158ACD)

GM Original Equipment Engine Oil Filler Cap

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$17.85
The ACDelco GM Original Equipment Engine Oil Filler Cap seals the oil filler opening on your vehicle’s engine, and is a GM-recommended replacement for your vehicle’s original component. It has a rubber sealing ring that keeps the engine oil and crankcase vapors in, while keeping water and dirt out. This original equipment engine oil filler cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Seals and helps keep oil from leaking out of your engine oil filler opening
  • 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 – Help – Oil Line Block Off Plate Kit (Part No.99971)

Oil Line Block Off Plate Kit

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$19.99
This engine oil level sensor cover 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 oil level sensor cover is designed to match the fit and function of the original part on specified vehicles
  • Ideal solution – this cover is a reliable replacement for an original part that is missing or damaged
  • 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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Carquest Premium – Air Charge Temperature Sensor Connector (Part No.PTA1129)

Air Charge Temperature Sensor Connector

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$52.99
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Sealed Power – Engine Piston (Part No.WH857CP)

Engine Piston

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$39.49
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.

Product Features:
  • Hypereutectic
  • Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Dorman – Crankshaft Seal Cove (Part No.A2160751058DOR)

Crankshaft Seal Cove

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$67.53
Crankshaft Seal Cove

Melling – Stock Replacement Oil Pump Screen (Part No.324S)

Stock Replacement Oil Pump Screen

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$100.99
A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine ware, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Felpro – CAMSHAFT THRUST PLATE SEAL SET (Part No.ES 73115)

CAMSHAFT THRUST PLATE SEAL SET

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$41.49
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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Dorman – Help – Oil Cooler Line Gasket (Part No.66218)

Oil Cooler Line Gasket

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$10.99
This oil cooler 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 oil cooler 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 part functionality after the original gasket 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 – Main Bearing Set (Part No.152M 1)

Main Bearing Set

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$118.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • IROX coating
  • Polymer coating enhances bearing
  • Made with silicon for greater surface hardness
  • Silicon particles help polish crankshaft journal (reduces wear during operation)
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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

Felpro – Engine Crankshaft Repair Sleeve (Part No.16228)

Engine Crankshaft Repair Sleeve

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$10.29
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:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
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ACDelco – Black Multi-Purpose Pigtail (Part No.PT2782)

Black Multi-Purpose Pigtail

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$44.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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 – Gasket Kit (Part No.260-1956)

Gasket Kit

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$459.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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ACDelco – GM Original Equipment Fuel Pump Tank Seal (Part No.E3004295098ACD)

GM Original Equipment Fuel Pump Tank Seal

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$22.52
The ACDelco GM Original Equipment Fuel Pump Tank Seal is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50504 R-1)

Engine Valve Cover Gasket Set

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

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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ACDelco – GM Original Equipment Engine 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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ACDelco – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT118)

2-Way Female Black Multi-Purpose Pigtail

from

$30.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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 – Freeze Plug (Part No.A1030831249DOR)

Freeze Plug

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$12.32
Dorman’s Engine Expansion Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper. Dorman’s uniquely designed Pilot Seal Expansion Plug ensures a leak-proof fit. Dorman also offer Engine Expansion Plug Kits.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
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Felpro – Multi-Purpose O-Ring (Part No.72401)

Multi-Purpose O-Ring

from

$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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Dorman – Engine Oil Filler Tube (Part No.917-412)

Engine Oil Filler Tube

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$14.99
This engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles
  • Restores functionality – reliable replacement for an original tube that has failed due to fatigue and corrosion
  • 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
See More

Carquest Premium – Engine Oil Level Sensor (Part No.SBA3659)

Engine Oil Level Sensor

from

$32.99
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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PowerBond – Harmonic Balancer (Part No.PBU1190SS25)

Harmonic Balancer

from

$284.99
PowerBond by DAYCO Race Performance Balancers are designed with a unique combination of material and castings providing the maximum strength and durability of bonded dampening rubber. Each balancer is dynamically balanced for a smooth operation. Modifying the balancer diameter can alter the performance of the accessories and engine rev speeds that can increase the vehicle’s horsepower output. These modifications can also help reduce power loss caused by front drive accessories and prevent over-revving alternators. Note: This modified balancer changes the geometry of the original belt drive. Dayco recommends this balancer to be serviced by a professional installer.

Product Features:
  • Designed especially for high revving and high horsepower street and race applications
  • Easy to read computer etched timing marks
  • CNC machined AISI 1045 forged steel hub bonded to an equally strong steel inertia ring
  • Steel inertia ring protects against forward and backward movement
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ACDelco – GM Original Equipment Engine Oil Pan Gasket (Part No.A6130409907ACD)

GM Original Equipment Engine Oil Pan Gasket

from

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

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Cloyes Performance – High Performance Timing Set (Part No.9-3658TX9Z)

High Performance Timing Set

from

$359.99
Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

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.
  • High Performance Timing Set, Race Billet, w/ “Z” Chain, 9-Keyway Crank Sprocket, 3 Bolt, 1 Sensor Hub
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Dorman – Timing Cover Kit (Part No.635-522)

Timing Cover Kit

from

$102.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Cloyes Performance – Engine Camshaft Bushing (Part No.P9005)

Engine Camshaft Bushing

from

$24.99
Replacement Hex-A-Just Billet Steel Camshaft Dowel Eccentric Bushing; 100% USA Made; Meets or exceeds OEM performance requirements; Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

Product Features:
  • Replacement Hex-A-Just Billet Steel Camshaft Dowel Eccentric Bushing
  • 100% USA Made
  • Meets or exceeds OEM performance requirements
  • Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.
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Elring – Timing Cover Gasket (Part No.A8050546929ELR)

Timing Cover Gasket

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$24.08
Timing Cover Gasket

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

TIMING COVER GASKET SET

from

$51.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Popular 2003 Chevrolet Silverado 2500 Engine Parts Categories

2003 Chevrolet Silverado 2500 Engine Parts

You count on your 2003 Chevrolet Silverado 2500 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 203 Engine Parts ranging in price from $0.65 to $4,863.99, you’re sure to find everything you need for your 2003 Chevrolet Silverado 2500.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 23 different brands like FELPRO, Sealed Power, and Dorman. 2003 Chevrolet Silverado 2500 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 554 extensive product reviews on 2003 Chevrolet Silverado 2500 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 below to get started!

Top-Rated Engine Parts Brands For Your 2003 Chevrolet Silverado 2500

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 running right for years to come. In our inventory you’ll find brands like FELPRO, Sealed Power, Dorman, and even more.

Popular National Engine Parts

You’ll find popular National brand products across Engine Gaskets and Seals. All are waiting to get your 2003 Chevrolet Silverado 2500 back on the road. Some of the top-rated National products in these categories are:
Shaft Repair Sleeve
from $43.99
(2)
Shaft Repair Sleeve
Power Take Off Shaft Seal
Multi Purpose Seal
from $25.99
(7)
Multi Purpose Seal
Rear Main Seal Sets
Shaft Repair Sleeve
from $45.49
(1)
Shaft Repair Sleeve
Timing Cover Seals

FAQs for 2003 Chevrolet Silverado 2500 Engine Parts

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

Out of 203 Engine Parts for the 2003 Chevrolet Silverado 2500, 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 Engine Parts?

Top-rated Engine Parts for your 2003 Chevrolet Silverado 2500 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”