2003 Chevy Impala Engine Parts

3,071 products fit your

2003 Chevy Impala

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2003 Chevy Impala

Department

Street

Application

Modern Muscle

Products

-71%

Socketless Reusable Push-On Hose End for -8 AN Fitting, 45 Degree

Aeroquip |

#1061440

Socketless Reusable Push-On Hose End for -8 AN Fitting, 45 Degree

(2)

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$18.99

/each

$67.82

Vintage Air |

#72515540VCB

Vintage Air 15540-VCB Small Block Low-mount Comp Bracket Shrt Pmp

Fits A/C Compressor Style:

Sanden SD

Water Pump Style:

Short

Mounting Side:

Passenger Side

$144.99

/each

-25%

Vibrant |

#3212714

Vibrant 2714 Straight Hose Coupler, 3 X 3 Inch, 35 PSI, Black

Inlet Diameter:

Overall Length:

Outlet Diameter:

$17.50

/each

$23.50

-7%

Earls |

#425AT915186ERL

Earls AT915186ERL Straight -8 AN to -6 AN Female Swivel Coupling

(1)

Angle:

Straight

Fitting End A:

-8 AN Female

Fitting End B:

-6 AN Female

$19.41

/each

$20.99

-28%

Fragola |

#1061390

Fragola 259010 Steel -10AN Fitting for Aeroquip FC300 Hose, 90Deg

(1)

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$25.99

/each

$36.45

Dusty's 1962 Chevy Impala

Dusty's '62 Impala is an absolute time capsule. It's original paint and interior are remarkably well preserved. But that doesn't mean that it's owner is afraid to drive it.

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 Chevy Performance Engines

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

1964 Chevy Impala - Employee Rides: Pat Orth

When Pat Orth isn't offering help and technical support on the phone at Speedway Motors, he's driving around in his clean, LS powered '64 Impala.

Employee Rides: 1963 Impala - Jason Lubken

Jason Lubken spends his days photographing some of the greatest cars of all time. In the evenings, he and his friends have screwed together a seriously cool '63 Impala.

5.3 LS Build Combinations: Recipes for 400-700+ HP

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

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.

Gassin' a '67 Impala

A customer wrote in talking about turning his 1967 Chevy Impala into a gasser. He wanted to know if we could help. Tech John W. lays out a couple options

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!

Straight High-Flow O-Ring -10 AN Hose to -8 AN Port Fitting

Speedway Motors |

#6177015

Straight High-Flow O-Ring -10 AN Hose to -8 AN Port Fitting

Fitting End A:

-10 AN Male

Fitting End B:

-8 AN Male o-ring

Angle:

Straight

$19.49

/each

Lisle |

#21238350

Lisle Corporation 38350 Exhaust Rubber Hanger Removal Pliers

(1)

Sold in Quantity:

Each

Material Type:

Steel

$24.99

/each

Edelbrock |

#32515409

Edelbrock 15409 E-Force Heat Exchanger, Dual Pass, Aluminum

GTIN Code:

085347154098

$452.95

/each

T4 Turbo Transition Flange, 2.5 Inch, 304 Stainless Steel

Speedway Motors |

#91015030

T4 Turbo Transition Flange, 2.5 Inch, 304 Stainless Steel

Exhaust Pipe Size:

2.5"

Material Type:

304 Stainless Steel

Finish:

Natural

$126.99

/each

-7%

Earls |

#425SS983203ERL

Earls SS983203ERL Straight -3 AN Bulkhead, Stainless Steel

(4)

AN Size:

-3 AN

Angle:

Straight

Fitting End A:

-3 AN Male

$18.95

/each

$20.50

AutoMeter |

#1822373

AutoMeter 2373 Auto Gage Mechanical Temperature Adapter Fitting

(1)

Fitting End A:

3/8" NPT Male

Fitting End B:

5/8"-18

Angle:

Straight

$26.99

/each

Anodized Aluminum -8 AN Flare Plug Fitting, Blue

Speedway Motors |

#6176020

Anodized Aluminum -8 AN Flare Plug Fitting, Blue

(1)

Fitting End A:

-8 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.99

/each

-29%

Fragola |

#6179521

Fragola 495021 Pressure Fitting 1/8 Inch Female to AN4 Male - Blue

(2)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

Straight

$5.99

/each

$8.52

Magnuson Superchargers |

#79859041

Magnuson Superchargers 31-14-59-041 Belt Tensioner for LS3

Material Type:

Aluminum

Sold in Quantity:

Each

$341.00

/each

K&N RC-1200 Performance Air Filters, 4in Tall, Round Tapered

K&N |

#465RC1200

K&N RC-1200 Performance Air Filters, 4in Tall, Round Tapered

Material Type:

Cotton Gauze

Top Finish:

Chrome

$52.99

/each

FAST 30572-8 Precision-Flow LS2-Type 57 lb/hr Injectors, Set of 8

FAST Fuel Air Spark Technology |

#282305728

FAST 30572-8 Precision-Flow LS2-Type 57 lb/hr Injectors, Set of 8

Fuel Injector O-Rings Included:

Yes

Injector Plug Style:

USCAR/EV6/EV14

$547.95

/set

45 Degree Flare Adaptor, AN8 to 3/8 Inch NPT

Speedway Motors |

#6176096

45 Degree Flare Adaptor, AN8 to 3/8 Inch NPT

(2)

Fitting End A:

-8 AN Male

Fitting End B:

3/8" NPT Male

Angle:

45 degree

$13.99

/each

FiTech |

#52170015

FiTech 70015 LS1/LS2/LS6/LS7 500HP Square Port Kit, Short

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$1,896.00

/kit

-56%

Fragola |

#61770151

Fragola 495105-BL O-Ring -10AN Hose to -8AN Port Fitting

Fitting End A:

-10 AN Male

Fitting End B:

-8 AN Male o-ring

Angle:

Straight

$12.99

/each

$29.64

$163 Off

Holley |

#425550934

Holley 550-934 Terminator X Max 24X/1X EV6 LS MPFI Kit, DBW

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,199.95

/kit

$2,362.95

Straight High-Flow O-Ring -8 AN Hose to -8 AN Port Fitting

Speedway Motors |

#6177013

Straight High-Flow O-Ring -8 AN Hose to -8 AN Port Fitting

(1)

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male o-ring

Angle:

Straight

$13.99

/each

-8%

Holley |

#42597179

Holley 97-179 Tensioner Assembly with Smooth Pulley

GTIN Code:

090127018576

$181.95

/each

$197.95

Longacre |

#47545288

Longacre® 52-45288 #4 Brake Line Frame Fitting w/ Tab & Nut

(2)

AN Size:

-4 AN

Angle:

Straight

Fitting End A:

-4 AN Male

$15.99

/each

Hex Head -4 AN ORB Plug O-Ring Seal Port Fitting, Black

Speedway Motors |

#61760261

Hex Head -4 AN ORB Plug O-Ring Seal Port Fitting, Black

Fitting End A:

-4 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$7.99

/each

Chevrolet Performance Parts |

#35512589867

Chevrolet Performance Parts 12589867 LS Replacement Knock Sensor

Wiring Harness Included:

Sold in Quantity:

Each

$68.99

/each

Edelbrock |

#3258189

Edelbrock 8189 Carburetor Fuel Pressure Regulator Bracket, Aluminum

Material Type:

Aluminum

Finish:

Natural

$52.95

/each

45 Degree Socketless Push-On Hose End, Nickel, -6 AN

Speedway Motors |

#6201522

45 Degree Socketless Push-On Hose End, Nickel, -6 AN

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$18.99

/each

Aluminum Flare Reducer Adapter, Black, -8 AN to -10 AN

Speedway Motors |

#61761791

Aluminum Flare Reducer Adapter, Black, -8 AN to -10 AN

Angle:

Straight

Fitting End A:

-8 AN Male

Fitting End B:

-10 AN Male

$14.99

/each

-24%

Vibrant |

#32116908

Vibrant 16908 Fuel Cell Bulkhead Adapter, -8 AN Flare To 1/2 Barb

AN Size:

-8 AN

Angle:

Straight

Fitting End A:

-8 AN Male

$22.29

/each

$29.59

-7%

Earls |

#425785066ERL

Earls 785066ERL Vapor Guard 9/16-18 O-ring Port to 3/8

(1)

Fitting End A:

3/8" Hose barb

Fitting End B:

9/16"-18 Male o-ring

Angle:

Straight

$14.90

/each

$16.12

Socket Head -6 AN ORB Plug O-Ring Seal Port Fitting, Steel

Speedway Motors |

#94015570

Socket Head -6 AN ORB Plug O-Ring Seal Port Fitting, Steel

Fitting End A:

-6 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Steel

$4.49

/each

Longacre |

#47545243

Longacre® 52-45243 Caliper Fitting - 1/8 NPT x -3 AN Straight

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$9.19

/each

Goodridge |

#6177024

Goodridge AN921-06D 90 Deg High-Flow O-Ring -6 AN Hose to Port Fitting

(1)

Fitting End A:

-6 AN Male

Fitting End B:

-6 AN Male o-ring

Angle:

90 degree

$23.99

/each

FiTech |

#52170037

FiTech 70037 Ultimate LS7 1000HP EFI, Short Intake, Trans Control

Injection Style:

Multi-port

Injector Size:

80 lbs./hr.

Max Horsepower Rating:

1000

$2,689.00

/kit

-6%

Holley |

#42520210

Holley 20-210 Low Mount A/C Brackets, Gen 5 LT4/LT1 Dry Sump

Material Type:

Billet Aluminum

Finish:

Clear Anodized

Fits A/C Compressor Style:

Sanden SD7B10

$374.95

/each

$402.95

Lisle |

#21219500

Lisle Corporation 19500 Ring Compressor, 2-1/8 - 5 Inch

Material Type:

Steel

Adjustable:

Yes

Finish:

Black anodized

$21.99

/each

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2003 Chevy Impala Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Socketless Reusable Push-On Hose End for -8 AN Fitting, 45 Degree

Vintage Air 15540-VCB Small Block Low-mount Comp Bracket Shrt Pmp

Vibrant 2714 Straight Hose Coupler, 3 X 3 Inch, 35 PSI, Black

Earls AT915186ERL Straight -8 AN to -6 AN Female Swivel Coupling

Fragola 259010 Steel -10AN Fitting for Aeroquip FC300 Hose, 90Deg

Related Articles

Straight High-Flow O-Ring -10 AN Hose to -8 AN Port Fitting

Lisle Corporation 38350 Exhaust Rubber Hanger Removal Pliers

Edelbrock 15409 E-Force Heat Exchanger, Dual Pass, Aluminum

T4 Turbo Transition Flange, 2.5 Inch, 304 Stainless Steel

Earls SS983203ERL Straight -3 AN Bulkhead, Stainless Steel

AutoMeter 2373 Auto Gage Mechanical Temperature Adapter Fitting

Anodized Aluminum -8 AN Flare Plug Fitting, Blue

Fragola 495021 Pressure Fitting 1/8 Inch Female to AN4 Male - Blue

Magnuson Superchargers 31-14-59-041 Belt Tensioner for LS3

K&N RC-1200 Performance Air Filters, 4in Tall, Round Tapered

FAST 30572-8 Precision-Flow LS2-Type 57 lb/hr Injectors, Set of 8

45 Degree Flare Adaptor, AN8 to 3/8 Inch NPT

FiTech 70015 LS1/LS2/LS6/LS7 500HP Square Port Kit, Short

Fragola 495105-BL O-Ring -10AN Hose to -8AN Port Fitting

Holley 550-934 Terminator X Max 24X/1X EV6 LS MPFI Kit, DBW

Straight High-Flow O-Ring -8 AN Hose to -8 AN Port Fitting

Holley 97-179 Tensioner Assembly with Smooth Pulley

Longacre® 52-45288 #4 Brake Line Frame Fitting w/ Tab & Nut

Hex Head -4 AN ORB Plug O-Ring Seal Port Fitting, Black

Chevrolet Performance Parts 12589867 LS Replacement Knock Sensor

Edelbrock 8189 Carburetor Fuel Pressure Regulator Bracket, Aluminum

45 Degree Socketless Push-On Hose End, Nickel, -6 AN

Aluminum Flare Reducer Adapter, Black, -8 AN to -10 AN

Vibrant 16908 Fuel Cell Bulkhead Adapter, -8 AN Flare To 1/2 Barb

Earls 785066ERL Vapor Guard 9/16-18 O-ring Port to 3/8

Socket Head -6 AN ORB Plug O-Ring Seal Port Fitting, Steel

Longacre® 52-45243 Caliper Fitting - 1/8 NPT x -3 AN Straight

Goodridge AN921-06D 90 Deg High-Flow O-Ring -6 AN Hose to Port Fitting

FiTech 70037 Ultimate LS7 1000HP EFI, Short Intake, Trans Control

Holley 20-210 Low Mount A/C Brackets, Gen 5 LT4/LT1 Dry Sump

Lisle Corporation 19500 Ring Compressor, 2-1/8 - 5 Inch