2003 Chevy Avalanche 2500 Engine Parts

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2003 Chevy Avalanche 2500

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2003 Chevy Avalanche 2500

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$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

$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

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.

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!

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.

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

Engine Building - Valvetrain Tips

Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.

Upgrading the Cooling System for a Small Block Chevy

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

'55 Chevy Chassis Refresh

Learn how Derek Turner's '55 Chevy gets completely overhauled with brand new chassis and suspension components along with a new fuel system and wiring.

Transmission Replacement on a 55 Chevy

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

$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

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

Speedway Motors |

#916C4003

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

(5)

Header Tube Type:

Full-Length

Primary Tube Diameter:

1-3/4"

Material Type:

Steel

$387.99

/kit

New Product

Enginetech |

#17300130

Enginetech CC411 BBC 454/402 Cam Bearing Set, 1967-2007

$20.40

/each

ICT BILLET |

#82651216

ICT Billet 551216-KN40 LS Gen 4 Knock Sensor Relocation Brackets

$100.00

/each

Holley |

#42512887

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

(7)

Regulator Style:

Return

Material Type:

Aluminum

$84.35

/each

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

Mobil 1 |

#324122454

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

(40)

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

$107.99

/box

LS Swap Single Turbo Kit Hot Side, Universal Crossover, 67mm

Speedway Motors |

#91604123

LS Swap Single Turbo Kit Hot Side, Universal Crossover, 67mm

Turbine Housing Inlet Flange:

Turbine Housing Outlet Flange:

3 Inch V-Band

Turbocharger Style:

GT35

$1,709.99

/kit

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

Speedway Motors |

#91012808

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

(71)

Regulator Style:

Return

Material Type:

Steel

$74.99

/each

Adjustable Fuel Pressure Regulator with Gauge Kit for Carburetor

Speedway Motors |

#9100198

Adjustable Fuel Pressure Regulator with Gauge Kit for Carburetor

(9)

Regulator Style:

Non-return

Material Type:

Aluminum

$88.99

/kit

Universal LS Swap Stainless Long Tube Headers, 1-3/4-inch Primary

Speedway Motors |

#93001001

Universal LS Swap Stainless Long Tube Headers, 1-3/4-inch Primary

(2)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Round Port

$359.99

/pair

SoloSwap® Chevy LS Mock Up Engine Swap Dummy Block Kits

Speedway Motors |

#91089660

SoloSwap® Chevy LS Mock Up Engine Swap Dummy Block Kits

(21)

Material Thickness:

.1093"

Material Type:

Steel

Finish:

Natural

as low as

$285.99

/each

SBC Small Block Chevy V8 Engine Crossmember Motor Mount Kit

Speedway Motors |

#91018212

SBC Small Block Chevy V8 Engine Crossmember Motor Mount Kit

(37)

Attachment Style:

Bolt-on

Mount Material:

Steel

Bushing Material:

Rubber

$140.99

/kit

Universal V8 Engine Swap Weld-In Motor Mount Kits

Speedway Motors |

#91018033

Universal V8 Engine Swap Weld-In Motor Mount Kits

(91)

Attachment Style:

Weld-on/Bolt-on

Mount Material:

Steel

Bushing Material:

Rubber

as low as

$85.99

/kit

Tight-Fit Small Block Ford Block Hugger Headers, Raw

Speedway Motors |

#9300201

Tight-Fit Small Block Ford Block Hugger Headers, Raw

(33)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$175.99

/pair

LS Swap Single Turbo Kit Hot Side, T56/6L80 Crossover, 78mm

Speedway Motors |

#91604128

LS Swap Single Turbo Kit Hot Side, T56/6L80 Crossover, 78mm

(1)

Turbine Housing Inlet Flange:

T4 Divided

Turbine Housing Outlet Flange:

4 Inch V-Band

Turbocharger Style:

S400

$1,902.99

/kit

Valvoline |

#7958811721

Valvoline 881172 VR1 Racing Oil, 20W50, 5 Quart Jug

(4)

Oil Weight:

20W50

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$46.99

/each

Spectre Performance |

#465771

Spectre 771 Cold Air Intake Kit, Low Profile Dual Plenum Inline, 45x90

(1)

Tube O.D.:

Material Type:

Aluminum

Finish:

Polished

$442.99

/each

Flowtech 11569FLT Small Block Chevy Turbo Headers

Flowtech Exhaust |

#42511569FLT

Flowtech 11569FLT Small Block Chevy Turbo Headers

Header Tube Type:

Turbo

Primary Tube Diameter:

1-3/4"

Material Type:

Stainless Steel

$239.95

/kit

Speedway GM LS1/LS6 Engine Weld-In Motor Mounts

Speedway Motors |

#7204501

Speedway GM LS1/LS6 Engine Weld-In Motor Mounts

(24)

Attachment Style:

Weld-on/Bolt-on

Mount Material:

Steel

Bushing Material:

Polyurethane

$161.99

/pair

Universal Baffled Oil Catch Can Kit, 10 OZ. Capacity w/ Dipstick

Speedway Motors |

#91008312

Universal Baffled Oil Catch Can Kit, 10 OZ. Capacity w/ Dipstick

(1)

Diameter:

2.68"

Height:

4.27"

Fitting Attachment 1:

Hose barb

$69.99

/each

$275 Shipping

ATK Engines |

#35020256

ATK 813P Toyota 22RE 125HP Crate Engine

Crate Engine Type:

Long Block

Compression Ratio:

9.0:1

Engine Displacement:

2.4 liters

$2,999.99

/each

SoloSwap® Small Block Chevy Mock Up Engine Swap Dummy Block Kits

Speedway Motors |

#91089662

SoloSwap® Small Block Chevy Mock Up Engine Swap Dummy Block Kits

(19)

Material Thickness:

.100"

Material Type:

Steel

Finish:

Bare

as low as

$273.99

/each

Speedway 429/460 BBF Big Block Ford Exhaust Header Kit

Speedway Motors |

#930FO460

Speedway 429/460 BBF Big Block Ford Exhaust Header Kit

(29)

Header Tube Type:

Roadster

Exhaust Port Shape:

Oval

Flange Style:

Standard

$263.99

/each

-5%

Dakota Digital |

#365130070

Dakota Digital 130070 Oil Pressure Adapter

(2)

Material Type:

Brass

Thread Pitch:

1/8" NPT

Finish:

Natural

$23.75

/each

$25.00

Speedway Motors |

#91012807

LS1 Fuel Filter/Fuel Regulator Only

(12)

Regulator Style:

Return

Material Type:

Aluminum

$35.99

/each

Flowtech 11576FLT Shorty Headers, GM LS Universal, Polished

Flowtech Exhaust |

#42511576FLT

Flowtech 11576FLT Shorty Headers, GM LS Universal, Polished

(6)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$164.95

/each

PennGrade |

#633711901

PennGrade Motor Oil 71190 Motor Oil, 20W50, Semi-Syn, 5 qt Qty 1

(1)

Oil Weight:

20W50

Oil Type:

Synthetic Blend

ZDDP Enhanced:

Yes

$39.99

/each

Portable 1500 lbs. Steel Portable Engine Stand

Speedway Motors |

#91081002

Portable 1500 lbs. Steel Portable Engine Stand

(17)

Material Type:

Steel

Finish:

Powder Coated

Color:

Red

$175.99

/each

Holley |

#9109636

Holley 12-804 Adjustable Fuel Pressure Regulator w/0-15 PSI Gauge

(4)

Regulator Style:

Return

Material Type:

Aluminum

$132.80

/kit

FiTech |

#52139002

FiTech 39002 Go EFI 2-Barrel 400 HP Fuel Injection System

Injection Style:

Throttle Body

Max Horsepower Rating:

400

ECM Included:

Yes

$915.00

/each

Full Finned Mini Hillborn Style Aluminum Air Scoop, Polished

Speedway Motors |

#91603186

Full Finned Mini Hillborn Style Aluminum Air Scoop, Polished

(4)

Overall Length:

14"

Overall Width:

9.625"

Overall Height:

$190.99

/each

Showing 1 - 72 of 317 results

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2003 Chevy Avalanche 2500 Engine Parts

Subcategory

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Transmission Family

Availability

Engine Family

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Price

Customer Rating

Products

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

Powermaster 38237 Alternator, 215 Amp

Related Articles

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

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

Enginetech CC411 BBC 454/402 Cam Bearing Set, 1967-2007

ICT Billet 551216-KN40 LS Gen 4 Knock Sensor Relocation Brackets

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

LS Swap Single Turbo Kit Hot Side, Universal Crossover, 67mm

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

Adjustable Fuel Pressure Regulator with Gauge Kit for Carburetor

Universal LS Swap Stainless Long Tube Headers, 1-3/4-inch Primary

SoloSwap® Chevy LS Mock Up Engine Swap Dummy Block Kits

SBC Small Block Chevy V8 Engine Crossmember Motor Mount Kit

Universal V8 Engine Swap Weld-In Motor Mount Kits

Tight-Fit Small Block Ford Block Hugger Headers, Raw

LS Swap Single Turbo Kit Hot Side, T56/6L80 Crossover, 78mm

Valvoline 881172 VR1 Racing Oil, 20W50, 5 Quart Jug

Spectre 771 Cold Air Intake Kit, Low Profile Dual Plenum Inline, 45x90

Flowtech 11569FLT Small Block Chevy Turbo Headers

Speedway GM LS1/LS6 Engine Weld-In Motor Mounts

Universal Baffled Oil Catch Can Kit, 10 OZ. Capacity w/ Dipstick

ATK 813P Toyota 22RE 125HP Crate Engine

SoloSwap® Small Block Chevy Mock Up Engine Swap Dummy Block Kits

Speedway 429/460 BBF Big Block Ford Exhaust Header Kit

Dakota Digital 130070 Oil Pressure Adapter

LS1 Fuel Filter/Fuel Regulator Only

Flowtech 11576FLT Shorty Headers, GM LS Universal, Polished

PennGrade Motor Oil 71190 Motor Oil, 20W50, Semi-Syn, 5 qt Qty 1

Portable 1500 lbs. Steel Portable Engine Stand

Holley 12-804 Adjustable Fuel Pressure Regulator w/0-15 PSI Gauge

FiTech 39002 Go EFI 2-Barrel 400 HP Fuel Injection System

Full Finned Mini Hillborn Style Aluminum Air Scoop, Polished