2003 Ford Mustang Engine Parts

3,184 products fit your

2003 Ford Mustang

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2003 Ford Mustang

Department

Street

Application

Modern Muscle

Products

FiTech |

#52179607

FiTech 79607 LS Kit 70007 W/ 50015 Module, 54001, LED Coil Pack

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,726.99

/kit

FiTech |

#52179612

FiTech 79612 LS Kit 70012 W/ 50015 Module, 54001, LED Coil Pack

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,726.99

/kit

-7%

Earls |

#425AT981668ERL

Earls AT981668ERL -6 AN Male to 1/2 Inch NPT Straight Adapter

(1)

Fitting End A:

-6 AN Male

Fitting End B:

1/2" NPT Male

Angle:

Straight

$19.43

/each

$21.02

-23%

Royal Purple |

#29606020

Royal Purple SAE 0W20 High Performance Engine Oil, 6 Quart Case

Oil Weight:

0W20

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$59.94

/box

$77.94

Spectre 9749 Air Intake Tube, 4 in. OD, 6.406 in. Long

Spectre Performance |

#4659749

Spectre 9749 Air Intake Tube, 4 in. OD, 6.406 in. Long

Outside Diameter:

Finish:

Polished

Overall Length:

6.406"

$43.99

/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.

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.

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.

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.

Spectre Performance |

#4658148

Spectre 8148 Air Duct Mounting Plate

(2)

GTIN Code:

089601814803

$9.99

/each

Spectre 9719 Air Intake Tubes, 4 in. OD, 6 in. Long

Spectre Performance |

#4659719

Spectre 9719 Air Intake Tubes, 4 in. OD, 6 in. Long

(2)

Outside Diameter:

Finish:

Polished

Overall Length:

6.00"

$21.99

/each

$182 Off

Holley |

#425558510

Holley 558-510 Ford Coyote Ti-VCT Harness Kit

GTIN Code:

090127030288

$1,899.95

/each

$2,081.95

ICT BILLET |

#82655124

ICT BILLET WPCMP30 3-Wire CMP Camshaft Position Sensor, 1999+ LS

GTIN Code:

657814751842

$23.00

/each

FiTech |

#52176216

FiTech 76216 LS Master Kit 70016 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,375.99

/kit

FiTech |

#52179101

FiTech 79101 LS Kit W/ 70001 Plus Inline Fuel Pump And Coil Pack

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,347.99

/kit

Aluminum Flare Reducer Adapter, Black, -6 AN to -10 AN

Speedway Motors |

#61761781

Aluminum Flare Reducer Adapter, Black, -6 AN to -10 AN

Angle:

Straight

Fitting End A:

-6 AN Male

Fitting End B:

-10 AN Male

$12.99

/each

AutoMeter |

#1824421BP

AutoMeter 2 5/8 Oil Pressure Gauge, 0-100 PSI Mechanical

Gauge Diameter:

2-5/8"

Shape:

Round

Gauge Series:

Analog

$89.99

/each

Spectre 95990 Air Intake Tube, 3.5 in. OD, 12.5 in. Long

Spectre Performance |

#46595990

Spectre 95990 Air Intake Tube, 3.5 in. OD, 12.5 in. Long

Outside Diameter:

3.5"

Finish:

Polished

Overall Length:

12.5"

$66.99

/each

AFCO |

#10685259

AFCO 85259 Brass Gauge Fitting Adapter, 1/8 Inch Female Pipe to -4 AN

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

Straight

$9.99

/each

Nickel Straight to Aluminum Pipe Adapter Fitting, -12 AN to 3/4 In NPT

Speedway Motors |

#61760510

Nickel Straight to Aluminum Pipe Adapter Fitting, -12 AN to 3/4 In NPT

Fitting End A:

-12 AN Male

Fitting End B:

3/4" NPT Male

Angle:

Straight

$19.99

/each

-6%

Accel |

#105150844

ACCEL 150844 Fuel Injectors, 44 lb/hr, 8,Pack, 12 V Saturated Circuit

Injector Plug Style:

EV1/Jetronic/Minitimer

Sold in Quantity:

Set

$649.95

/set

$697.95

ICT BILLET |

#82616173

ICT BILLET 551617X-3 Manual Belt Tensioner w/ Pulley, GM Truck LS

Pulley Type:

6-rib, serpentine

Sold in Quantity:

Each

$110.00

/each

FiTech |

#52170036

FiTech 70036 Ultimate LS 1000HP EFI, LS7, Short Cathedral Intake

Injection Style:

Multi-port

Injector Size:

80 lbs./hr.

Max Horsepower Rating:

1000

$2,245.00

/kit

K&N 85-2445 Air Filter Service Indicator Minder, Push-In, Each

K&N |

#465852445

K&N 85-2445 Air Filter Service Indicator Minder, Push-In, Each

GTIN Code:

024844105363

$46.99

/each

COMP Cams |

#282G31232

COMP Cams G31232 Gator Brand Hose Clamp, 1.250 - 2 in. Range, Size 24

(2)

Style:

Worm Gear

Material Type:

Stainless Steel

Color:

Natural

$6.95

/each

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Blue

Speedway Motors |

#6176029

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Blue

Fitting End A:

-10 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$11.49

/each

Holley Sniper |

#425860028

Holley Sniper 860028 Sniper EFI Throttle Linkage Kit, LS, 92mm

Material Type:

Aluminum

Sold in Quantity:

Kit

$519.95

/kit

-6%

Holley Sniper |

#425565310K

Holley Sniper 565-310K Hyperspark Master Kit, 565-310, Oldsmobile

Sold in Quantity:

Kit

Distributor Included:

Yes

$1,049.95

/kit

$1,124.95

$125 Off

Holley |

#425550903T

Holley 550-903T Terminator X LS1 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$1,449.95

/each

$1,574.95

Vintage Air |

#72515112VCB

Vintage Air 15112-VCB Steel-eez Top-Mount Brckts Short Water Pump

Material Type:

Steel

Finish:

Natural

Bracket Material:

Steel

$144.99

/each

$125 Off

Holley |

#425550909T

Holley 550-909T Terminator X 24X/1X EV1 LS MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$1,449.95

/kit

$1,574.95

Vibrant |

#3212752

Vibrant 2752 45 Degree Elbow Hose Coupler, 2.5 X 4.5 Inch, Black

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

Color:

Black

$57.99

/each

Spectre HPR9881 hpR Air Filter, Red, 10.25in Tall, Tapered Conical

Spectre Performance |

#465HPR9881

Spectre HPR9881 hpR Air Filter, Red, 10.25in Tall, Tapered Conical

Filter Color:

Red

Overall Height:

10.25"

$87.99

/each

K&N 85-6004 Apollo Fresh Air Hose Mounting Bracket

K&N |

#465856004

K&N 85-6004 Apollo Fresh Air Hose Mounting Bracket

Sold in Quantity:

Each

GTIN Code:

024844106384

$36.99

/each

Goodridge |

#61770221

Goodridge AN922-10DBLK -10 AN to -10 Port Fitting, 45 Degree, Black

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Male O-ring

Angle:

45 degree

$34.99

/each

-10%

Turbosmart |

#37505061041

Turbosmart TS-0506-1041 Gen4 HyperGate45 Wastegate, 14PSI, Black

Wastegate Base Material:

Cast Stainless Steel

$468.89

/each

$520.99

Granatelli Motor Sports |

#36211629

Granatelli Motor Sports 28-1629HTBB Coil-Near-Plug Connector Kit

Conductor Style:

Solid Core

Diameter:

$298.50

/each

Intellitronix |

#188MS9114W

Intellitronix MS9114W LED Oil Pressure Gauge, White

Gauge Diameter:

2-1/16"

Shape:

Round

Gauge Style:

Digital

$84.18

/each

FiTech |

#52170035

FiTech 70035 Ultimate LS3 1000HP EFI, Short Intake, Trans Control

Injection Style:

Multi-port

Injector Size:

80 lbs./hr.

Max Horsepower Rating:

1000

$2,689.00

/kit

FiTech |

#52176208

FiTech 76208 LS Master Kit 70008 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

55 lbs./hr.

Max Horsepower Rating:

750

$2,375.99

/kit

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2003 Ford Mustang Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

FiTech 79607 LS Kit 70007 W/ 50015 Module, 54001, LED Coil Pack

FiTech 79612 LS Kit 70012 W/ 50015 Module, 54001, LED Coil Pack

Earls AT981668ERL -6 AN Male to 1/2 Inch NPT Straight Adapter

Royal Purple SAE 0W20 High Performance Engine Oil, 6 Quart Case

Spectre 9749 Air Intake Tube, 4 in. OD, 6.406 in. Long

Related Articles

Spectre 8148 Air Duct Mounting Plate

Spectre 9719 Air Intake Tubes, 4 in. OD, 6 in. Long

Holley 558-510 Ford Coyote Ti-VCT Harness Kit

ICT BILLET WPCMP30 3-Wire CMP Camshaft Position Sensor, 1999+ LS

FiTech 76216 LS Master Kit 70016 W/ 50015 Go Fuel In-Tank Module

FiTech 79101 LS Kit W/ 70001 Plus Inline Fuel Pump And Coil Pack

Aluminum Flare Reducer Adapter, Black, -6 AN to -10 AN

AutoMeter 2 5/8 Oil Pressure Gauge, 0-100 PSI Mechanical

Spectre 95990 Air Intake Tube, 3.5 in. OD, 12.5 in. Long

AFCO 85259 Brass Gauge Fitting Adapter, 1/8 Inch Female Pipe to -4 AN

Nickel Straight to Aluminum Pipe Adapter Fitting, -12 AN to 3/4 In NPT

ACCEL 150844 Fuel Injectors, 44 lb/hr, 8,Pack, 12 V Saturated Circuit

ICT BILLET 551617X-3 Manual Belt Tensioner w/ Pulley, GM Truck LS

FiTech 70036 Ultimate LS 1000HP EFI, LS7, Short Cathedral Intake

K&N 85-2445 Air Filter Service Indicator Minder, Push-In, Each

COMP Cams G31232 Gator Brand Hose Clamp, 1.250 - 2 in. Range, Size 24

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Blue

Holley Sniper 860028 Sniper EFI Throttle Linkage Kit, LS, 92mm

Holley Sniper 565-310K Hyperspark Master Kit, 565-310, Oldsmobile

Holley 550-903T Terminator X LS1 MPFI Kit

Vintage Air 15112-VCB Steel-eez Top-Mount Brckts Short Water Pump

Holley 550-909T Terminator X 24X/1X EV1 LS MPFI Kit

Vibrant 2752 45 Degree Elbow Hose Coupler, 2.5 X 4.5 Inch, Black

Spectre HPR9881 hpR Air Filter, Red, 10.25in Tall, Tapered Conical

K&N 85-6004 Apollo Fresh Air Hose Mounting Bracket

Goodridge AN922-10DBLK -10 AN to -10 Port Fitting, 45 Degree, Black

Turbosmart TS-0506-1041 Gen4 HyperGate45 Wastegate, 14PSI, Black

Granatelli Motor Sports 28-1629HTBB Coil-Near-Plug Connector Kit

Intellitronix MS9114W LED Oil Pressure Gauge, White

FiTech 70035 Ultimate LS3 1000HP EFI, Short Intake, Trans Control

FiTech 76208 LS Master Kit 70008 W/ 50015 Go Fuel In-Tank Module