2003 Ford Mustang Engine Parts

3,169 products fit your

2003 Ford Mustang

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2003 Ford Mustang

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Modern Muscle

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BBK 1541 Long Tube Headers, Chrome, 1996-2004 Mustang 4.6L-2V GT

BBK Performance |

#5851541

BBK 1541 Long Tube Headers, Chrome, 1996-2004 Mustang 4.6L-2V GT

Header Tube Type:

Full-Length

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$849.99

/pair

$131 Off

Tuff Stuff |

#7458266F

Tuff Stuff 8266F 2001-04 Ford Alternator, 225 Amp, Factory Cast

One Wire Alternator:

Alternator Amperage:

225 amp

Alternator Finish:

Natural

$332.99

/each

$463.59

K&N 57-2532 57 Series FIPK Performance Intake Kit, Ford 3.8L

K&N |

#465572532

K&N 57-2532 57 Series FIPK Performance Intake Kit, Ford 3.8L

Material Type:

Cotton Gauze

$367.99

/each

-9%

Moroso |

#54520548

Moroso 20548 Oil Pan, Ford 4.6-5.4, Road Race Baffled Rear T-sump

GTIN Code:

084663205484

$543.99

/each

$601.46

ICT BILLET |

#826551816FXBDY

ICT Billet 551816-FXBDY LS Front Engine Plate 79-04 Fox Body

$202.00

/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.

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.

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.

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.

$122 Off

Powermaster |

#25548304

Powermaster 48304 Ford 6G Alternator, 155A, 8-Groove, Natural

One Wire Alternator:

Alternator Amperage:

155 amp

Alternator Finish:

Natural

$333.99

/each

$456.25

$152 Off

Tuff Stuff |

#7458266C8G

One Wire Alternator:

Alternator Amperage:

155 amp

Alternator Finish:

Natural

$343.99

/each

$456.25

Hedman Hedders |

#41888296

Hedman Hedders 88296 99-02 Ford Mustang 3.8L Headers, HTC

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Primary Tube Diameter:

1-1/2"

$532.99

/set

-14%

BBK 17182 1718 Cold Air Intake Replacement Hardware Kit

$59.99

/each

$69.99

-18%

Powermaster |

#25528252

Powermaster 28252 Retro Alternator, 120A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

120 amp

Alternator Finish:

Polished

$350.99

/each

$432.50

-9%

Tuff Stuff |

#7458436AP

Tuff Stuff 8436AP Ford Alternator, 135 Amp, OEM Wire, Polished

One Wire Alternator:

Alternator Amperage:

135 amp

Alternator Finish:

Polished

$389.99

/each

$432.90

$126 Off

Tuff Stuff |

#7458436B

Tuff Stuff 8436B Ford Alternator, 135 Amp, OEM Wire, Stealth Blk

One Wire Alternator:

Alternator Amperage:

135 amp

Alternator Finish:

Powder Coated

$332.99

/each

$459.32

-9%

JBA W06179 Ignition Wires, 01-04 Mustang 3.8L Blue

JBA Headers |

#447W06179

JBA W06179 Ignition Wires, 01-04 Mustang 3.8L Blue

Conductor Style:

Spiral Core

Diameter:

$116.39

/set

$128.03

$128 Off

Tuff Stuff |

#7458266AP8G

Tuff Stuff 8266AP8G 2003-04 Ford Cobra Alternator 105 Amp, Pol

One Wire Alternator:

Alternator Amperage:

105 amp

Alternator Finish:

Polished

$323.99

/each

$451.62

-10%

BBK 17110 2003-2004 Mustang Cobra S/C Twin 65mm Throttle Body

BBK Performance |

#58517110

BBK 17110 2003-2004 Mustang Cobra S/C Twin 65mm Throttle Body

GTIN Code:

197975171108

$419.99

/each

$469.99

-21%

Powermaster |

#2558304

Powermaster 8304 Ford 6G Alternator, 120A, 6-Groove, OE Look

One Wire Alternator:

Alternator Amperage:

120 amp

Alternator Finish:

Natural

$264.99

/each

$337.50

BBK 1533 - Long Tube Headers, Chrome, 1999-04 Mustang Cobra/Mach1

BBK Performance |

#5851533

BBK 1533 - Long Tube Headers, Chrome, 1999-04 Mustang Cobra/Mach1

Header Tube Type:

Full-Length

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$849.99

/pair

$144 Off

Holley |

#4255501217

Holley 550-1217 Terminator X, Ford Modular 2V, EV6 Injectors

Ignition Type:

Ford 2V Mod Stock Coils

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$165 Off

Tuff Stuff |

#7458266D8G

Tuff Stuff 8266D8G 03-04 Ford Cobra Alternator, 225 Amp, Chrome

One Wire Alternator:

Alternator Amperage:

225 amp

Alternator Finish:

Chrome

$418.99

/each

$584.35

$132 Off

Powermaster |

#25538252

Powermaster 38252 Alternator, 155 Amps, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

155 amp

Alternator Finish:

Chrome

$421.99

/each

$553.75

-21%

Powermaster |

#2558266

Powermaster 8266 Ford 6G Alternator, 120A, 6-Groove, OE Look

One Wire Alternator:

Alternator Amperage:

120 amp

Alternator Finish:

Natural

$264.99

/each

$337.50

$147 Off

Tuff Stuff |

#7458266DP8G

Tuff Stuff 8266DP8G 2003-04 Ford Cobra Alternator, 225 Amp, Pol

One Wire Alternator:

Alternator Amperage:

225 amp

Alternator Finish:

Polished

$373.99

/each

$521.23

-9%

G Force GF-CML-KIT 1996-2004 Mustang Mounts & Adapter, Fourth Gen

G Force Crossmembers |

#6409003

G Force GF-CML-KIT 1996-2004 Mustang Mounts & Adapter, Fourth Gen

Sold in Quantity:

Each

$340.00

/each

$374.00

-9%

G Force GF-CML-LSKIT 96-04 Mustang To LS Motor Mount Adapter Kit

G Force Crossmembers |

#6409004

G Force GF-CML-LSKIT 96-04 Mustang To LS Motor Mount Adapter Kit

Sold in Quantity:

Each

$375.00

/each

$412.50

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2003 Ford Mustang Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

BBK 1541 Long Tube Headers, Chrome, 1996-2004 Mustang 4.6L-2V GT

Tuff Stuff 8266F 2001-04 Ford Alternator, 225 Amp, Factory Cast

K&N 57-2532 57 Series FIPK Performance Intake Kit, Ford 3.8L

Moroso 20548 Oil Pan, Ford 4.6-5.4, Road Race Baffled Rear T-sump

ICT Billet 551816-FXBDY LS Front Engine Plate 79-04 Fox Body

Related Articles

Powermaster 48304 Ford 6G Alternator, 155A, 8-Groove, Natural

Tuff Stuff 8266C8G Ford 03-04 Ford Cobra Alernator, 225 Amp, Blk

BBK 15330 1999-2004 Mustang 4.6 Long Tube Headers, Ceramic

Powermaster 68252 Alternator, 150 Amp

Powermaster 58252 Street Alternator, 155A, Serpentine, 12V, Ford

Powermaster 68253 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 28253 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 48266 Street Alternator, 155A, Serpentine, 12V, Ford

Powermaster 58266 Street Alternator, 155A, Serpentine, 12V, Ford

Tuff Stuff 8266D 2001-04 Ford Mustang Alternator, 225 Amp, Chrome

Powermaster 48252 Street Alternator, 155A, Serpentine, 12V, Ford

Hedman Hedders 88296 99-02 Ford Mustang 3.8L Headers, HTC

BBK 17182 1718 Cold Air Intake Replacement Hardware Kit

Tuff Stuff 8266F8G 03-04 Ford Cobra Alternator, 225 Amp, Cast

Tuff Stuff 8266A8G 2003-04 Ford Cobra Alternator 105 Amp, Chrome

BBK 17192 1719 Cold Air Intake Replacement Hardware Kit

Powermaster 28252 Retro Alternator, 120A, Serpentine, 12V, Ford

Tuff Stuff 8436AP Ford Alternator, 135 Amp, OEM Wire, Polished

Tuff Stuff 8436B Ford Alternator, 135 Amp, OEM Wire, Stealth Blk

JBA W06179 Ignition Wires, 01-04 Mustang 3.8L Blue

Tuff Stuff 8266AP8G 2003-04 Ford Cobra Alternator 105 Amp, Pol

BBK 17110 2003-2004 Mustang Cobra S/C Twin 65mm Throttle Body

Powermaster 8304 Ford 6G Alternator, 120A, 6-Groove, OE Look

BBK 1533 - Long Tube Headers, Chrome, 1999-04 Mustang Cobra/Mach1

Holley 550-1217 Terminator X, Ford Modular 2V, EV6 Injectors

Tuff Stuff 8266D8G 03-04 Ford Cobra Alternator, 225 Amp, Chrome

Powermaster 38252 Alternator, 155 Amps, Serpentine, 12V, Ford

Powermaster 8266 Ford 6G Alternator, 120A, 6-Groove, OE Look

Tuff Stuff 8266DP8G 2003-04 Ford Cobra Alternator, 225 Amp, Pol

G Force GF-CML-KIT 1996-2004 Mustang Mounts & Adapter, Fourth Gen

G Force GF-CML-LSKIT 96-04 Mustang To LS Motor Mount Adapter Kit