2003 Ford Mustang Engine Parts

2,773 products fit your

2003 Ford Mustang

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2003 Ford Mustang

Department

Street

Application

Modern Muscle

Products

-5%

Holley |

#425550909

Holley 550-909 Terminator X 24X/1X EV6 LS1/LS6 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,599.95

/kit

$1,687.95

-6%

Frostbite FB604 Air to Air Intercooler, Universal, 2-1/2 Inch

Frostbite Performance Cooling |

#425FB604

Frostbite FB604 Air to Air Intercooler, Universal, 2-1/2 Inch

$349.95

/each

$375.95

COMP Cams |

#2824920

COMP Cams 4920 Harmonic Balancer Installation Tool, Universal Kit

(3)

Sold in Quantity:

Kit

GTIN Code:

036584720331

Die Stock Included:

$88.95

/each

Lucas Oil |

#484102521

Lucas Oil 10252 SAE 20W50 High Performance Engine Oil, 1 Quart

(1)

Oil Weight:

20W50

Oil Type:

Conventional

ZDDP Enhanced:

$7.89

/quart

Speedway Full Flow Swivel Hose End FItting, 90 Degree, Nickel, -8 AN

Speedway Motors |

#62010170

Speedway Full Flow Swivel Hose End FItting, 90 Degree, Nickel, -8 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$28.99

/each

Engines That Fit My Car: Dimensions for Common Engine Swaps

Knowing popular engine dimensions and weights are critical to a successful engine swap in your project vehicle

Best Engine Swaps of All Time | HEMI VS LS Engine VS 2JZ

What is the best engine to swap? Discover the top engine swap options, including LS, Hemi, and Cummins, and find the best engine swap for your build.

Ford 302 Crate Engine Tech Talk

Darrian recently purchased a 302 Ford BluePrint Crate Engine for his 1962 Comet. Learn more as he walks you through what is included in the kit, it's out-of-the-box assembly and the performance metrics of the engine.

What is a Stroker Engine | Stroker Motor Chart for Chevy, Ford, and Mopar

Wondering what a stroker motor is and how to build one? Speedway Motors has the answers with this stroker motor build guide.

1946 Ford Sedan Delivery Engine Detail

Speedway Motors Product Manager Jeff K. talks about how to really make your engine bay stand out from the crowd with just a little patience, and some Speedway products.

A/C 101 on a '65 Mustang

Speedway Motors employee Alanna C. walks through the how-to of installing the Vintage Air A/C in her 1965 Ford Mustang.

Ford 302 Build Combinations: Recipes for 300-500+ HP

Ford’s 302ci small block V8 is one of Ford’s best engine designs and is capable of great power with the right parts

Transmission Interchange List Chevy, Ford, Mopar V8 Compatibility

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

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.

FiTech |

#52199903

FiTech 99903 Go-Spark HEI Ignition Coil

Color:

Black

Sold in Quantity:

Each

$49.00

/each

FiTech |

#521300061

FiTech 30006-1 Replacement ECU For FiTech 30006, EFI Power Adder

GTIN Code:

812061036290

$271.00

/each

Edelbrock |

#32515822

Edelbrock 15822 E-Force Supercharger Pulley, 3.00 Inch, Ford

Groove Count:

Outside Diameter:

Hardware Included:

$54.95

/each

-7%

Earls |

#425AT9893810ERL

Earls AT9893810ERL Female -8 AN to Male -10 AN Aluminum Flare Expander

(1)

Angle:

Straight

Fitting End A:

-10 AN Male

Fitting End B:

-8 AN Female

$26.86

/each

$29.06

Stainless Steel -3 AN Straight Bulkhead Tee Adapter Brake Fitting

Speedway Motors |

#6178513

Stainless Steel -3 AN Straight Bulkhead Tee Adapter Brake Fitting

(5)

AN Size:

-3 AN

Angle:

Tee

Fitting End A:

-3 AN Male

$23.99

/each

Lucas Oil |

#484100501

Lucas Oil 10050 SAE 10W30 Synthetic Engine Oil, 1 Quart

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

$13.99

/quart

Powermaster |

#255150

Powermaster 150 Wiring Harness, GM 10si Case to GM 10DN Wiring

(1)

GTIN Code:

692209000181

Sold in Quantity:

Each

$46.99

/each

Redline |

#6071004

Redline 11404 10W40 Motor Oil, 12 Quarts

Oil Weight:

10W40

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$218.40

/box

Edelbrock |

#3253696

Edelbrock 3696 Fuel Injector, Siemens 60 Lb/Hr, Single

Injector Plug Style:

USCAR/EV6/EV14

Sold in Quantity:

Each

$100.95

/each

Goodridge |

#6177025

Goodridge AN921-08D 90 Deg High-Flow O-Ring -8 AN Hose to Port Fitting

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male o-ring

Angle:

90 degree

$26.99

/each

Rebate

Equus |

#184E6244

Equus E6244 6000 Series 2 Inch Mech. Oil Pressure Gauge, 0-100PSI

(1)

Gauge Diameter:

Gauge Style:

Mechanical

Gauge Range:

0-100 psi

$20.99

/each

$438 Off

Holley Sniper |

#425550511BXD

Holley Sniper 550-511-BXD 4-barrel Self-Tuning EFI Conversion Kit

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$1,699.95

/kit

$2,137.95

FiTech |

#52170033

FiTech 70033 LS 1000HP EFI, Long Cathedral Intake, Trans Control

Injection Style:

Multi-port

Injector Size:

80 lbs./hr.

Max Horsepower Rating:

1000

$2,689.00

/kit

-8%

Holley |

#425522768X

Holley 522-768X 76 LB/HR Performance Fuel Injector, 8 Pack

Fuel Injector O-Rings Included:

Yes

Injector Plug Style:

USCAR/EV6/EV14

$499.95

/kit

$547.95

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Red/Blue -10 AN

Speedway Motors |

#6201011

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Red/Blue -10 AN

(1)

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$24.99

/each

-30%

Fragola |

#61795211

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

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

Straight

$6.19

/each

$8.94

-66%

Aeroquip |

#61710021

Aeroquip FBM4412 Straight Swivel Hose End Coupler Fitting-Black, -6 AN

(1)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$17.49

/each

$51.61

-67%

Socketless Reusable Push-On Hose End for -6 AN Fitting, 90 Degree

Aeroquip |

#1061242

Socketless Reusable Push-On Hose End for -6 AN Fitting, 90 Degree

(6)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$16.99

/each

$52.89

Lucas Oil |

#484100181

Lucas Oil 10018 Hydraulic Oil Booster/Stop Leak, 1 Gallon

Sold in Quantity:

Each

Volume:

1 gallon

$32.99

/each

Chevrolet Performance Parts |

#35512609623

Chevrolet Performance Parts 12609623 LS Engine Oil Fill Tube

Material Type:

Plastic

Finish:

Black

$24.99

/each

Aluminum -3 AN Flare Fitting Cap, Black Anodized

Speedway Motors |

#61761941

Aluminum -3 AN Flare Fitting Cap, Black Anodized

Material Type:

Aluminum

Sold in Quantity:

Each

$5.99

/each

-5%

Dakota Digital |

#365PAC1300

Dakota Digital PAC-1300 Retained Accessory Power, Light Control

Sold in Quantity:

Each

GTIN Code:

670219100978

$247.00

/set

$260.00

Speedway Motors |

#91604048

LS Engine Swap Conversion Low Profile Oil Pan Kit, Chrome, 10 AN

Sump Style:

Wet Sump

Sump Location:

Rear

$526.99

/kit

FiTech |

#52191001

FiTech 91001 Go Spark Advanced CDI

Ignition Box Output:

Capacitive Discharge

Circuitry:

Digital

$394.00

/each

Lucas Oil |

#48410474

Lucas Oil 10474 SAE 5W30 Engine Oil, 6 Qt Case

Oil Weight:

5W30

Oil Type:

Conventional

ZDDP Enhanced:

$39.99

/box

-63%

Aeroquip |

#6171532

Aeroquip FCE1532 Nickel 90 Degree Push-On Socketless Fitting, -6 AN

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$31.99

/each

$87.89

-8%

Holley Sniper |

#42555819

Holley Sniper 2 558-191 Main Battery Harness Fuse/Fuel Pump Relay

GTIN Code:

090127820391

$225.95

/each

$245.95

90 Degree Flare Adaptor, AN3 to 1/8 Inch NPT

Speedway Motors |

#6176079

90 Degree Flare Adaptor, AN3 to 1/8 Inch NPT

(2)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$7.99

/each

Anodized Aluminum -4 AN Flare Plug Fitting, Blue

Speedway Motors |

#6176018

Anodized Aluminum -4 AN Flare Plug Fitting, Blue

(1)

Fitting End A:

-4 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$4.99

/each

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Anodized, -8 AN

Speedway Motors |

#62010101

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Anodized, -8 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$23.99

/each

FiTech |

#52142000

FiTech 42000 Air Filter Elements, Air Filter Drop Base And Top

GTIN Code:

812061035118

$53.00

/each

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2003 Ford Mustang Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Holley 550-909 Terminator X 24X/1X EV6 LS1/LS6 MPFI Kit

Frostbite FB604 Air to Air Intercooler, Universal, 2-1/2 Inch

COMP Cams 4920 Harmonic Balancer Installation Tool, Universal Kit

Lucas Oil 10252 SAE 20W50 High Performance Engine Oil, 1 Quart

Speedway Full Flow Swivel Hose End FItting, 90 Degree, Nickel, -8 AN

Related Articles

FiTech 99903 Go-Spark HEI Ignition Coil

FiTech 30006-1 Replacement ECU For FiTech 30006, EFI Power Adder

Edelbrock 15822 E-Force Supercharger Pulley, 3.00 Inch, Ford

Earls AT9893810ERL Female -8 AN to Male -10 AN Aluminum Flare Expander

Stainless Steel -3 AN Straight Bulkhead Tee Adapter Brake Fitting

Lucas Oil 10050 SAE 10W30 Synthetic Engine Oil, 1 Quart

Powermaster 150 Wiring Harness, GM 10si Case to GM 10DN Wiring

Redline 11404 10W40 Motor Oil, 12 Quarts

Edelbrock 3696 Fuel Injector, Siemens 60 Lb/Hr, Single

Goodridge AN921-08D 90 Deg High-Flow O-Ring -8 AN Hose to Port Fitting

Equus E6244 6000 Series 2 Inch Mech. Oil Pressure Gauge, 0-100PSI

Holley Sniper 550-511-BXD 4-barrel Self-Tuning EFI Conversion Kit

FiTech 70033 LS 1000HP EFI, Long Cathedral Intake, Trans Control

Holley 522-768X 76 LB/HR Performance Fuel Injector, 8 Pack

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Red/Blue -10 AN

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

Aeroquip FBM4412 Straight Swivel Hose End Coupler Fitting-Black, -6 AN

Socketless Reusable Push-On Hose End for -6 AN Fitting, 90 Degree

Lucas Oil 10018 Hydraulic Oil Booster/Stop Leak, 1 Gallon

Chevrolet Performance Parts 12609623 LS Engine Oil Fill Tube

Aluminum -3 AN Flare Fitting Cap, Black Anodized

Dakota Digital PAC-1300 Retained Accessory Power, Light Control

LS Engine Swap Conversion Low Profile Oil Pan Kit, Chrome, 10 AN

FiTech 91001 Go Spark Advanced CDI

Lucas Oil 10474 SAE 5W30 Engine Oil, 6 Qt Case

Aeroquip FCE1532 Nickel 90 Degree Push-On Socketless Fitting, -6 AN

Holley Sniper 2 558-191 Main Battery Harness Fuse/Fuel Pump Relay

90 Degree Flare Adaptor, AN3 to 1/8 Inch NPT

Anodized Aluminum -4 AN Flare Plug Fitting, Blue

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Anodized, -8 AN

FiTech 42000 Air Filter Elements, Air Filter Drop Base And Top