2003 GMC Sierra 1500 Engine Parts

432 products fit your

2003 GMC Sierra 1500

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2003 GMC Sierra 1500

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GM LS 12MM Water Temp Radiator Fan Control Switch, 205F

Speedway Motors |

#9106400

GM LS 12MM Water Temp Radiator Fan Control Switch, 205F

Temp. Range:

Closes at 205°F ±5°F and opens at 185°F ±5°F

Thread Pitch:

12mm x 1.5

Material Type:

Brass

$34.99

/each

Loctite |

#910491982

Loctite 491982 5699 Grey RTV Silicone Gasket Maker 80ml Tube

(1)

GTIN Code:

079340374645

Sold in Quantity:

Each

$10.99

/each

Valvoline |

#795774038

Valvoline 774038 Premium Blue Diesel Engine Oil, 5W40, 3x1 Gal

(1)

Oil Weight:

5W40

Oil Type:

Conventional

ZDDP Enhanced:

$111.99

/box

VS Racing |

#60300008

VS Racing GTOLWAKIT Turbo Install Kit 61/62 62/62 58/55 67/62 DBB

$47.99

/kit

Driven Racing Oil |

#910223081

Driven Racing Oil 22308 10W30 Crate Engine Oil 1 Gallon Jug

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$71.05

/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!

Installing AVS Side Window Deflectors on 2013 Dodge Ram 1500

How to install AVS side window deflectors on a 2013 Dodge Ram 1500.

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.

Engine Cylinder Numbers

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.

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!

On the Dyno at Speedway Motors Racing Engines

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Driven Racing Oil |

#910224081

Driven Racing Oil 22408 10W40 Crate Engine Oil 1 Gallon Jug

Oil Weight:

10W40

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$73.21

/each

Magnuson Superchargers |

#79800680

Magnuson Superchargers 79-83-00-680 680m Rear Cog Belt TVS2650

$113.00

/each

Spyder Filters |

#5926000

Spyder SF-WUP Warm Up Filter

Sold in Quantity:

Each

$44.95

/each

Painless Wiring |

#91060217

Painless Wiring 60217 99-06 GM Gen III 4.8/5.3/6.0L EFI Harness

(4)

Injection Style:

Sequential multi-port

Reluctor Wheel:

24x

Drive-By-Wire Capable:

$624.99

/each

AC Delco |

#9100137

AC Delco R44LTS6 Conventional Spark Plugs, Set of 8

(1)

Sold in Quantity:

Set

$19.99

/kit

-11%

Speedway Motors |

#UP229823

GM AD244 Chrome LS Alternator

Garage Sale Type:

Blemished

One Wire Alternator:

Alternator Amperage:

220 amp

$223.99

/each

$253.99

$152 Off

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

MSD |

#UP233365

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

Garage Sale Type:

Open Box

$428.39

/set

$579.95

-87%

Speedway Motors |

#54568810-1

Push-In Valve Cover Breather Adapters

Sold in Quantity:

Pair

Garage Sale Type:

Discontinued

$1.63

/pair

$12.99

-83%

Speedway Motors |

#9503766

Midget MSD Ignition Box Mount

Garage Sale Type:

Discontinued

Material Type:

Aluminum

$8.54

/each

$50.99

Finned Aluminum Shot Gun Style Air Scoop, Black

Speedway Motors |

#91603180

Finned Aluminum Shot Gun Style Air Scoop, Black

(1)

Overall Length:

20"

Overall Width:

10.325"

Overall Height:

$347.99

/each

-76%

Precision Turbo |

#38674200

Precision Turbo PTP074 Mid/Large Frame Oil Drain Flange

Garage Sale Type:

Discontinued

Turbo Oil Flange Type:

Turbo Drain

Material Type:

Stainless Steel

$9.72

/each

$41.99

-76%

Tracerline TP-3900-0601 Dye-Lite Engine Coolant Dye

Tracer Products |

#39667415

Tracerline TP-3900-0601 Dye-Lite Engine Coolant Dye

Garage Sale Type:

Discontinued

$4.86

/each

$20.99

-15%

Precision Turbo |

#38632000

Precision Turbo Turbocharger Blow-Off Valve

Garage Sale Type:

Discontinued

Adjustable:

Yes

Aluminum Flange Included:

Yes

$271.14

/each

$318.99

-72%

Alexander Racing Enterprises |

#91603471

Alexander Racing Enterprises HLR-575 Headlight Air Intake, Delete

Garage Sale Type:

Discontinued

Tube O.D.:

5.75"

Color:

Silver

$6.81

/each

$24.99

-87%

Precision Turbo |

#UP206545

Precision Turbo PBO085-3200 Turbocharger Wastegate Spring, Small

Spring Type:

Helical

Material Type:

Stainless Steel

Garage Sale Type:

Discontinued

$4.16

/each

$33.44

-72%

Alexander Racing Enterprises |

#91603473

Alexander Racing Enterprises HLR-700 Headlight Air Intake, Delete

Garage Sale Type:

Discontinued

Tube O.D.:

Color:

Silver

$6.81

/each

$24.99

-84%

#12161091

AN8-3/8NPT Tee BMRS

Garage Sale Type:

Discontinued

$4.22

/each

$27.99

-35%

King HP Series Chevy 350/400 LRG Journal Engine Rod Bearings .010

King Bearings |

#UP228716

King HP Series Chevy 350/400 LRG Journal Engine Rod Bearings .010

Garage Sale Type:

Open Box

Rod Journal Diameter:

2.10"

Bearing Construction:

Bi-metal

$58.31

/set

$89.99

Hedman Hedders |

#41869683

Hedman Hedders 69683 99-03 GM Truck Headers, Black

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Primary Tube Diameter:

1-5/8"

$604.99

/set

Hedman Hedders |

#41863681

Hedman Hedders 63681 99-03 GM Truck Headers, Black

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$726.03

/set

Hedman Hedders |

#41869693

Hedman Hedders 69693 99-03 GM Truck Headers, Black

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Primary Tube Diameter:

1-5/8"

$674.38

/set

Hedman Hedders |

#41862733

Hedman Hedders 62733 99-07 Chevy HTC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$1,217.23

/set

Hedman Hedders |

#41862736

Hedman Hedders 62736 67-87 Chevy Truck LS Swap Headers Uncoated

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$1,225.37

/set

Hedman Hedders |

#41869723

Hedman Hedders 69723 99-07 GM Truck LS Headers, Long Tube, Black

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Primary Tube Diameter:

1-5/8"

$643.99

/set

Hedman Hedders |

#41869726

Hedman Hedders 69726 99-07 GM Truck LS Headers, Long Tube, HTC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Primary Tube Diameter:

1-5/8"

$649.99

/set

FiTech |

#5213099

FiTech 30-99 Ultra Port EFI Standalone ECU

Sold in Quantity:

Kit

GTIN Code:

852192008018

$1,199.00

/each

FiTech |

#52130037

FiTech 30037 Nemesis 4500 Throttle Body

Throttle Body Style:

Multi-Port Injection (MPI)

Sold in Quantity:

Each

$999.00

/each

FiTech |

#52130038

FiTech 30038 Nemesis 4500 Throttle Body

Throttle Body Style:

Multi-Port Injection (MPI)

Sold in Quantity:

Each

$999.00

/each

FiTech |

#52130036

FiTech 30036 Nemesis 4500 Throttle Body

Throttle Body Style:

Multi-Port Injection (MPI)

Sold in Quantity:

Kit

$999.00

/each

$499 Off

MSD 826283 Ignition Coil, GM LS Blaster Series, LS1/LS6, 8-Pack

MSD |

#UP232881

MSD 826283 Ignition Coil, GM LS Blaster Series, LS1/LS6, 8-Pack

Garage Sale Type:

Open Box

$365.39

/set

$863.95

-83%

#980502

RLV FLOAT GAUGE

Garage Sale Type:

Discontinued

$0.84

/each

$4.99

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2003 GMC Sierra 1500 Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

GM LS 12MM Water Temp Radiator Fan Control Switch, 205F

Loctite 491982 5699 Grey RTV Silicone Gasket Maker 80ml Tube

Valvoline 774038 Premium Blue Diesel Engine Oil, 5W40, 3x1 Gal

VS Racing GTOLWAKIT Turbo Install Kit 61/62 62/62 58/55 67/62 DBB

Driven Racing Oil 22308 10W30 Crate Engine Oil 1 Gallon Jug

Related Articles

Driven Racing Oil 22408 10W40 Crate Engine Oil 1 Gallon Jug

Magnuson Superchargers 79-83-00-680 680m Rear Cog Belt TVS2650

Spyder SF-WUP Warm Up Filter

Painless Wiring 60217 99-06 GM Gen III 4.8/5.3/6.0L EFI Harness

AC Delco R44LTS6 Conventional Spark Plugs, Set of 8

GM AD244 Chrome LS Alternator

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

Push-In Valve Cover Breather Adapters

Midget MSD Ignition Box Mount

Finned Aluminum Shot Gun Style Air Scoop, Black

Precision Turbo PTP074 Mid/Large Frame Oil Drain Flange

Tracerline TP-3900-0601 Dye-Lite Engine Coolant Dye

Precision Turbo Turbocharger Blow-Off Valve

Alexander Racing Enterprises HLR-575 Headlight Air Intake, Delete

Precision Turbo PBO085-3200 Turbocharger Wastegate Spring, Small

Alexander Racing Enterprises HLR-700 Headlight Air Intake, Delete

AN8-3/8NPT Tee BMRS

King HP Series Chevy 350/400 LRG Journal Engine Rod Bearings .010

Hedman Hedders 69683 99-03 GM Truck Headers, Black

Hedman Hedders 63681 99-03 GM Truck Headers, Black

Hedman Hedders 69693 99-03 GM Truck Headers, Black

Hedman Hedders 62733 99-07 Chevy HTC

Hedman Hedders 62736 67-87 Chevy Truck LS Swap Headers Uncoated

Hedman Hedders 69723 99-07 GM Truck LS Headers, Long Tube, Black

Hedman Hedders 69726 99-07 GM Truck LS Headers, Long Tube, HTC

FiTech 30-99 Ultra Port EFI Standalone ECU

FiTech 30037 Nemesis 4500 Throttle Body

FiTech 30038 Nemesis 4500 Throttle Body

FiTech 30036 Nemesis 4500 Throttle Body

MSD 826283 Ignition Coil, GM LS Blaster Series, LS1/LS6, 8-Pack

RLV FLOAT GAUGE