2003 Chevy Silverado 2500 Engine Parts

373 products fit your

2003 Chevy Silverado 2500

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2003 Chevy Silverado 2500

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Products

Spectre 9900K Air Intake Kit, Cadillac 5.3L-6.0L, Chevy/GMC 4.8L-6.0L

Spectre Performance |

#4659900K

Spectre 9900K Air Intake Kit, Cadillac 5.3L-6.0L, Chevy/GMC 4.8L-6.0L

Filter Color:

Black

Material Type:

Non-woven Synthetic

$207.99

/each

Clayton Machine LSC-02-B LS Coil Covers, Alum., No Cutout, Black

Clayton Machine Works |

#491LSC02B

Clayton Machine LSC-02-B LS Coil Covers, Alum., No Cutout, Black

GTIN Code:

847087099790

$339.95

/kit

Clayton Machine LSC-01-M LS Coil Covers RH Oil Fill Cutout, Mill

Clayton Machine Works |

#491LSC01M

Clayton Machine LSC-01-M LS Coil Covers RH Oil Fill Cutout, Mill

$310.95

/each

New Product

Enginetech |

#17300116

Enginetech C364K-2 GM LS 6.0L Full Gasket Set, 2001-07

$369.50

/each

New Product

Enginetech |

#17300300

Enginetech ES1384 GM LS 6.0L/5.7L Camshaft, 2001-2007

$514.40

/each

Gen III/IV LS Engine ID Guide

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Small Block and Big Block Chevy Engine Flexplate Guide

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

55 Chevy Engine Build

Derek kicks off his 55 Chevy rebuild with a fresh small block.

Historic Chevy Performance Engines

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

NASCAR Engines Through the Years

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.

Historic Indy Engines

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

Project Chevelle 383 Engine Tech Article

At long last, Project Chevelle gets a muscle car heart transplant in the form of a 383 from BluePrint Engines.

Chevelle 283 to a 496 BluePrint Crate Engine

In this project, you will see how Jeff repaints a garage sale 496 BluePrint crate engine and learn the importance of preparing the engine for a successful restoration.

Engine Cylinder Numbers

Byron's 1975 Chevy Vega

It's not every day that you see a wild, IMSA inspired, 550 horsepower Vega. Byron Burnham went way outside the box with this one, and we love it.

PRW Power |

#57523463101

PRW Power 0234631-01 Engine Rocker Arms

Rocker Arm Style:

Full Roller

Material Type:

Stainless Steel

$31.55

/each

All American Billet |

#38802305

All American Billet FDS-LSBT-151 LS Truck Serpentine System

Water Pump Style:

Long Depth

Pulley Style:

Serpentine

Crankshaft Pulley Included:

$2,195.00

/each

-15%

Moroso |

#54585481

Moroso 85481 1999-2018 GM Truck Air/Oil Catch Can Separator

Fitting Attachment 1:

Hose barb

Fitting Attachment 2:

Hose barb

$234.99

/each

$277.67

Hedman Hedders |

#41862730

Hedman Hedders 62730 99-07 Chevy Black

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$957.91

/set

BBK 4006 Shorty Headers, Chrome, 1999-2013 GM Truck/SUV 6.0L

BBK Performance |

#5854006

BBK 4006 Shorty Headers, Chrome, 1999-2013 GM Truck/SUV 6.0L

(1)

Header Tube Type:

Shorty

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$549.99

/pair

BBK 40060 Shorty Headers, Ceramic, 1999-2013 GM Truck/SUV 6.0L

BBK Performance |

#58540060

BBK 40060 Shorty Headers, Ceramic, 1999-2013 GM Truck/SUV 6.0L

Header Tube Type:

Shorty

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$599.99

/pair

Hedman Hedders |

#41869720

Hedman Hedders 69720 99-07 GM Truck LS Headers Long Tube Uncoated

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Primary Tube Diameter:

1-5/8"

$730.99

/set

New Product

Enginetech |

#17300009

Enginetech 129000 GM LS 6.0L Crank Kit w/ Bearings, Reman

$505.08

/each

-20%

Powermaster |

#255861

Powermaster 861 LX2 Billet Alternator Bracket, Driver High Mount

Material Type:

Billet Aluminum

Sold in Quantity:

Each

$142.99

/each

$178.75

SQR Performance 126743 Direct-Fit 8.5mm Spark Plug Wire Set

Flex-A-Lite |

#359126743

SQR Performance 126743 Direct-Fit 8.5mm Spark Plug Wire Set

Conductor Style:

Spiral Core

Diameter:

8.5"

$123.99

/set

Moroso |

#54522462

Moroso 22462 Oil Filter, Early GM LS 13/16 In. Thread, 3-1/2 In

$27.99

/each

New Product

Enginetech |

#17300712

Enginetech TS4194A GM LS 6.0L Timing Set, 1997-2008

$59.34

/each

-8%

MSD 826483 Ignition Coil, GM LS Blaster, L-Series Truck, 8-Pack

MSD |

#547826483

MSD 826483 Ignition Coil, GM LS Blaster, L-Series Truck, 8-Pack

$579.95

/set

$633.95

Proform |

#58666518

Proform 66518 Harmonic Balancer Cover Blue Anodized Finish

$122.99

/each

$103 Off

Holley |

#425213

Holley 21-3 LS Acc Drive Bracket Install. Kit, Long, Long Style Pump

(2)

Hardware Included:

Yes

Sold in Quantity:

Kit

$94.95

/each

$197.95

Hastings LS Piston Rings Set, 4 Inch Bore, 1.2/1.5/2.5mm Grooves

Hastings Racing Rings |

#4172M5170

Hastings LS Piston Rings Set, 4 Inch Bore, 1.2/1.5/2.5mm Grooves

Piston Ring Design:

Conventional

Second Ring Material:

Cast Iron

Sold in Quantity:

Set

$119.99

/set

Hastings GM LS Piston Ring Set, 4 Inch Bore, 1.5/1.5/3mm Grooves

Hastings Racing Rings |

#4172M4860

Hastings GM LS Piston Ring Set, 4 Inch Bore, 1.5/1.5/3mm Grooves

(2)

Piston Ring Style:

Piston Ring Design:

Conventional

Sold in Quantity:

Set

$63.99

/set

$122 Off

Powermaster |

#25518237

Powermaster 18237 Street Alternator, 145A, Serpentine, 12V, Chevy

One Wire Alternator:

Alternator Amperage:

145 amp

Alternator Finish:

Chrome

$398.99

/each

$521.25

-19%

Powermaster |

#25528237

Powermaster 28237 Retro Alternator, 145A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

145 amp

Alternator Finish:

Polished

$421.99

/each

$521.25

K&N |

#465PS1007

K&N PS-1007 Pro Series Oil Filter

Oil Filter Style:

Canister

Overall Height:

3.75"

$8.99

/each

K&N |

#465HP1007

K&N HP-1007 Performance Gold Oil Filter

(2)

Oil Filter Style:

Canister

Overall Height:

3.75"

$17.99

/each

ICT BILLET |

#826551353

ICT Billet 551353 LS Truck Idler Pulley Relocation Bracket

Sold in Quantity:

Each

Bracket Material:

Aluminum

$34.00

/each

$102 Off

Powermaster |

#2558237

Powermaster 8237 Street Alternator, 180A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

180 amp

Alternator Finish:

Natural

$343.99

/each

$446.25

K&N 33-2135 Lifetime Performance Air Filter, Chevy/GMC 6.0L-8.1L

K&N |

#465332135

K&N 33-2135 Lifetime Performance Air Filter, Chevy/GMC 6.0L-8.1L

Material Type:

Cotton Gauze

Overall Height:

1.625"

$68.99

/each

$134 Off

Powermaster |

#25568237

Powermaster 68237 Alternator, 225 Amps, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

225 amp

Alternator Finish:

Polished

$430.99

/each

$565.00

$127 Off

Powermaster |

#25558237

Powermaster 58237 Alternator, 225 Amps, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

225 amp

Alternator Finish:

Gloss

$371.99

/each

$498.75

New Product

Enginetech |

#17300228

Enginetech ECR326 GM LS 6.0L Connecting Rod, Floating Pin

$73.62

/each

New Product

Enginetech |

#17300181

Enginetech CR6437 GM LS 6.0L Cam Retainer Plate, 1997-2015

$24.28

/each

$134 Off

Powermaster |

#25538237

Powermaster 38237 Alternator, 215 Amp

One Wire Alternator:

Yes

Alternator Amperage:

215 amp

Alternator Finish:

Chrome

$430.99

/each

$565.00

$129 Off

Powermaster |

#25548237

Powermaster 48237 Alternator, 225 Amps, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

225 amp

Alternator Finish:

Natural

$344.99

/each

$473.75

Proform |

#58666882C

Proform 66882C 3-Piece Pushrod Set GM LS; Stock Length

$53.99

/set

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2003 Chevy Silverado 2500 Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Spectre 9900K Air Intake Kit, Cadillac 5.3L-6.0L, Chevy/GMC 4.8L-6.0L

Clayton Machine LSC-02-B LS Coil Covers, Alum., No Cutout, Black

Clayton Machine LSC-01-M LS Coil Covers RH Oil Fill Cutout, Mill

Enginetech C364K-2 GM LS 6.0L Full Gasket Set, 2001-07

Enginetech ES1384 GM LS 6.0L/5.7L Camshaft, 2001-2007

Related Articles

PRW Power 0234631-01 Engine Rocker Arms

All American Billet FDS-LSBT-151 LS Truck Serpentine System

Moroso 85481 1999-2018 GM Truck Air/Oil Catch Can Separator

Hedman Hedders 62730 99-07 Chevy Black

BBK 4006 Shorty Headers, Chrome, 1999-2013 GM Truck/SUV 6.0L

BBK 40060 Shorty Headers, Ceramic, 1999-2013 GM Truck/SUV 6.0L

Hedman Hedders 69720 99-07 GM Truck LS Headers Long Tube Uncoated

Enginetech 129000 GM LS 6.0L Crank Kit w/ Bearings, Reman

Powermaster 861 LX2 Billet Alternator Bracket, Driver High Mount

SQR Performance 126743 Direct-Fit 8.5mm Spark Plug Wire Set

Moroso 22462 Oil Filter, Early GM LS 13/16 In. Thread, 3-1/2 In

Enginetech TS4194A GM LS 6.0L Timing Set, 1997-2008

MSD 826483 Ignition Coil, GM LS Blaster, L-Series Truck, 8-Pack

Proform 66518 Harmonic Balancer Cover Blue Anodized Finish

Holley 21-3 LS Acc Drive Bracket Install. Kit, Long, Long Style Pump

Hastings LS Piston Rings Set, 4 Inch Bore, 1.2/1.5/2.5mm Grooves

Hastings GM LS Piston Ring Set, 4 Inch Bore, 1.5/1.5/3mm Grooves

Powermaster 18237 Street Alternator, 145A, Serpentine, 12V, Chevy

Powermaster 28237 Retro Alternator, 145A, Serpentine, 12V, Chevy

K&N PS-1007 Pro Series Oil Filter

K&N HP-1007 Performance Gold Oil Filter

ICT Billet 551353 LS Truck Idler Pulley Relocation Bracket

Powermaster 8237 Street Alternator, 180A, Serpentine, 12V, Chevy

K&N 33-2135 Lifetime Performance Air Filter, Chevy/GMC 6.0L-8.1L

Powermaster 68237 Alternator, 225 Amps, Serpentine, 12V, Chevy

Powermaster 58237 Alternator, 225 Amps, Serpentine, 12V, Chevy

Enginetech ECR326 GM LS 6.0L Connecting Rod, Floating Pin

Enginetech CR6437 GM LS 6.0L Cam Retainer Plate, 1997-2015

Powermaster 38237 Alternator, 215 Amp

Powermaster 48237 Alternator, 225 Amps, Serpentine, 12V, Chevy

Proform 66882C 3-Piece Pushrod Set GM LS; Stock Length