2003 Chevy Impala Engine Parts

3,066 products fit your

2003 Chevy Impala

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2003 Chevy Impala

Department

Street

Application

Modern Muscle

Products

Aluminum Female Pipe Coupler Fitting, 1/8 Inch NPT, Blue Anodized

Speedway Motors |

#6176144

Aluminum Female Pipe Coupler Fitting, 1/8 Inch NPT, Blue Anodized

(2)

Fitting End A:

1/8" NPT Female

Fitting End B:

1/8" NPT Female

Angle:

Straight

$5.99

/each

-7%

Aluminum Female Pipe Coupler Fitting, 3/8 Inch NPT, Blue Anodized

Speedway Motors |

#6176146

Aluminum Female Pipe Coupler Fitting, 3/8 Inch NPT, Blue Anodized

(1)

Fitting End A:

3/8" NPT Female

Fitting End B:

3/8" NPT Female

Angle:

Straight

$12.49

/each

$13.45

-7%

Earls |

#425915103ERL

Earls 915103ERL Blue Anodized Straight -3AN Female Swivel Coupling

(1)

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Female

Angle:

Straight

$16.42

/each

$17.76

-7%

Earls |

#425AT593202ERL

Earls AT593202ERL 1/8 Inch NPT Internal Wrenching Plug, Aluminum, Pair

Fitting Type:

Plug Fitting

Fitting Size 1:

1/8" Male NPT

Fitting Attachment 1:

Male NPT

$11.93

/pair

$12.90

-7%

Earls |

#425AT985010ERL

Earls AT985010ERL -10 AN Male to7/8-14 Inch O-Ring Port Adapter

(1)

Fitting End A:

-10 AN Male

Fitting End B:

7/8" - 14 Male O-ring (-10 AN)

Angle:

Straight

$24.36

/each

$26.35

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.

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.

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.

Historic Chevy Performance Engines

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

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

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.

Edelbrock |

#3251971

Edelbrock 1971 Performer Series Q-Jet Carb Primary Metering Jet

Material Type:

Brass

Sold in Quantity:

Each

$26.95

/pair

$694 Off

Holley |

#42520181

Holley 20-181 Premium Mid-Mount Race Accessory System

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$3,299.95

/each

$3,993.95

Holley |

#425300630BK

Holley 300-630BK LS Lo-Ram 105mm Throttle Body Adapter, Black

Bore Size:

105 mm

Color:

Black

$519.95

/each

AutoMeter |

#182P322218

AutoMeter P322218 Oil Temp Gauge, 2 1/16 Inch, 300 Deg., Silver

Gauge Diameter:

2-1/16"

Gauge Series:

Analog

Gauge Style:

Analog

$218.99

/each

$188 Off

Holley |

#4255501318

Holley 550-1318 Terminator X Max, Ford Modular 4V, EV1 Injectors

Ignition Type:

Ford 4V Mod Stock Coils

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,399.95

/kit

$2,587.95

$144 Off

Holley |

#4255501223

Holley 550-1223 Terminator X, 2003-06 Gen III Hemi, EV6 Injectors

Ignition Type:

Gen III Hemi Coil-on-Plug

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

-10%

Turbosmart |

#37504041022

Turbosmart TS-0404-1022 Black Fuel Pressure Regulator

Sold in Quantity:

Each

GTIN Code:

9329677024517

$218.69

/each

$242.99

-10%

Turbosmart |

#37506816142

Turbosmart TS-0681-6142 Twin Port Universal Wastegate Actuator

Wastegate Base Material:

Aluminum

Sold in Quantity:

Each

$247.49

/each

$274.99

-5%

Turbosmart |

#37503011011

Turbosmart TS-0301-1011 E-Boost2 66MM Boost Controller, Black

Sold in Quantity:

Each

Adjustable:

Yes

$660.95

/each

$699.94

Vibrant |

#32101415

Vibrant 1415 Turbo Outlet Flange, Tial V-Band Turbine Housing 3in

Material Type:

Stamped Steel

Finish:

Natural

$32.99

/each

-7%

Earls |

#425AT592903ERL

Earls AT592903ERL Aluminum -3 AN Flare Fitting Cap, Black, Pair

Material Type:

Aluminum

Sold in Quantity:

Pair

$11.90

/pair

$12.87

-7%

Earls |

#425580603ERL

Earls 580603ERL -3 AN Flare Plug Fitting, Blue Anodized, Pair

Fitting End A:

-3 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$7.40

/pair

$8.01

AFCO |

#10680128X20

AFCO 80128X20 Weld-on Male Fitting, -20 AN

AN Size:

-20 AN

Thread Type:

RH Male

Fitting Attachment 1:

Male Threads

$22.99

/each

-7%

Earls |

#425982203ERL

Earls 982203ERL Blue 90 Degree Elbow -3 AN Male to 1/8 Inch NPT

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$16.42

/each

$17.76

-7%

Earls |

#425AT991501ERL

Earls AT991501ERL Female 1/8 In NPT to Male 1/8 In NPT 45 Degree Elbow

Fitting End A:

1/8" NPT Male

Fitting End B:

1/8" NPT Male

Angle:

45 degree

$25.36

/each

$27.43

-7%

Earls |

#425AT981604ERL

Earls AT981604ERL -4 AN Male to 1/8 Inch NPT Straight Adapter

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$7.43

/each

$8.03

-5%

Earls |

#425960403ERL

Earls 960403ERL -3 AN Bulkhead Tee on Run, Zinc Plated Steel

(1)

AN Size:

-3 AN

Angle:

Tee

Fitting End A:

-3 AN Male

$49.95

/each

$52.76

-7%

Earls |

#425809106ERL

Earls 809106ERL 90 Degree -6 AN Female to -6 AN Hose Adapter

(1)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$40.68

/each

$44.01

-7%

Earls |

#425980608ERL

Earls 980608ERL -8 AN Flare Plug Fitting, Blue Anodized

Fitting End A:

-8 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.94

/each

$6.42

-7%

Earls |

#425981508ERL

Earls 981508ERL Blue Anodized -8 AN Male Union, Lightweight Aluminum

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male

Angle:

Straight

$20.87

/each

$22.58

-30%

Fragola |

#61761061

Fragola 482503-BL Tee Adapter Fitting, -3AN to 1/8 Inch NPT

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Fitting End C:

-3 AN Male

$11.99

/each

$17.18

-45%

Fragola |

#61761071

Fragola 482504-BL Tee Adapter Fitting, -4AN to 1/8 Inch NPT

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Fitting End C:

-4 AN Male

$9.29

/each

$17.18

XRP 981612 Straight Flare to NPT Fitting, -12 AN to 3/4 Inch NPT

XRP PLUMBING |

#472981612

XRP 981612 Straight Flare to NPT Fitting, -12 AN to 3/4 Inch NPT

Fitting End A:

-12 AN Male

Fitting End B:

3/4" NPT Male

Material Type:

Aluminum

$9.99

/each

Spectre 9731 Conical Filter, Black, 10.6in Tall, Round Tapered

Spectre Performance |

#4659731

Spectre 9731 Conical Filter, Black, 10.6in Tall, Round Tapered

Filter Color:

Black

Top Finish:

Chrome

$54.99

/each

K&N RU-4250 Performance Air Filters, 5in Tall, Round Tapered

K&N |

#465RU4250

K&N RU-4250 Performance Air Filters, 5in Tall, Round Tapered

Material Type:

Cotton Gauze

Overall Height:

$94.99

/each

FAST 307017 Fuel Injector Bung Fittings, 8-Pack

FAST Fuel Air Spark Technology |

#282307017

FAST 307017 Fuel Injector Bung Fittings, 8-Pack

GTIN Code:

036584101291

$83.95

/each

-7%

Earls |

#425AT981608ERL

Earls AT981608ERL -8 AN Male to 3/8 Inch NPT Straight Adapter

(1)

Fitting End A:

-8 AN Male

Fitting End B:

3/8" NPT Male

Angle:

Straight

$14.88

/each

$16.10

AutoMeter |

#182P32521

AutoMeter P32521 Spek-Pro Oil Press. Gauge,2-1/16,0-120 PSI,Domed

Gauge Diameter:

2-1/16"

Gauge Series:

Analog

Gauge Style:

Electric

$286.99

/each

AutoMeter |

#182P13126

AutoMeter P13126 Press., Spek-Pro, 0-30 Psi, 3/8-24

GTIN Code:

046074150937

$157.99

/each

-10%

Turbosmart |

#37505551014

Turbosmart TS-0555-1014 GenV PowerGate60 Wastegate, 14PSI, Red

Wastegate Base Material:

Cast Stainless Steel

Sold in Quantity:

Each

$674.99

/each

$749.99

-10%

Turbosmart |

#37505551015

Turbosmart TS-0555-1015 GenV PowerGate60 Wastegate, 14PSI, Sleep

Wastegate Base Material:

Cast Stainless Steel

Sold in Quantity:

Each

$680.39

/each

$755.99

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2003 Chevy Impala Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Aluminum Female Pipe Coupler Fitting, 1/8 Inch NPT, Blue Anodized

Aluminum Female Pipe Coupler Fitting, 3/8 Inch NPT, Blue Anodized

Earls 915103ERL Blue Anodized Straight -3AN Female Swivel Coupling

Earls AT593202ERL 1/8 Inch NPT Internal Wrenching Plug, Aluminum, Pair

Earls AT985010ERL -10 AN Male to7/8-14 Inch O-Ring Port Adapter

Related Articles

Edelbrock 1971 Performer Series Q-Jet Carb Primary Metering Jet

Holley 20-181 Premium Mid-Mount Race Accessory System

Holley 300-630BK LS Lo-Ram 105mm Throttle Body Adapter, Black

AutoMeter P322218 Oil Temp Gauge, 2 1/16 Inch, 300 Deg., Silver

Holley 550-1318 Terminator X Max, Ford Modular 4V, EV1 Injectors

Holley 550-1223 Terminator X, 2003-06 Gen III Hemi, EV6 Injectors

Turbosmart TS-0404-1022 Black Fuel Pressure Regulator

Turbosmart TS-0681-6142 Twin Port Universal Wastegate Actuator

Turbosmart TS-0301-1011 E-Boost2 66MM Boost Controller, Black

Vibrant 1415 Turbo Outlet Flange, Tial V-Band Turbine Housing 3in

Earls AT592903ERL Aluminum -3 AN Flare Fitting Cap, Black, Pair

Earls 580603ERL -3 AN Flare Plug Fitting, Blue Anodized, Pair

AFCO 80128X20 Weld-on Male Fitting, -20 AN

Earls 982203ERL Blue 90 Degree Elbow -3 AN Male to 1/8 Inch NPT

Earls AT991501ERL Female 1/8 In NPT to Male 1/8 In NPT 45 Degree Elbow

Earls AT981604ERL -4 AN Male to 1/8 Inch NPT Straight Adapter

Earls 960403ERL -3 AN Bulkhead Tee on Run, Zinc Plated Steel

Earls 809106ERL 90 Degree -6 AN Female to -6 AN Hose Adapter

Earls 980608ERL -8 AN Flare Plug Fitting, Blue Anodized

Earls 981508ERL Blue Anodized -8 AN Male Union, Lightweight Aluminum

Fragola 482503-BL Tee Adapter Fitting, -3AN to 1/8 Inch NPT

Fragola 482504-BL Tee Adapter Fitting, -4AN to 1/8 Inch NPT

XRP 981612 Straight Flare to NPT Fitting, -12 AN to 3/4 Inch NPT

Spectre 9731 Conical Filter, Black, 10.6in Tall, Round Tapered

K&N RU-4250 Performance Air Filters, 5in Tall, Round Tapered

FAST 307017 Fuel Injector Bung Fittings, 8-Pack

Earls AT981608ERL -8 AN Male to 3/8 Inch NPT Straight Adapter

AutoMeter P32521 Spek-Pro Oil Press. Gauge,2-1/16,0-120 PSI,Domed

AutoMeter P13126 Press., Spek-Pro, 0-30 Psi, 3/8-24

Turbosmart TS-0555-1014 GenV PowerGate60 Wastegate, 14PSI, Red

Turbosmart TS-0555-1015 GenV PowerGate60 Wastegate, 14PSI, Sleep