2003 Ford Focus Engine Parts

1,555 products fit your

2003 Ford Focus

Add Engine

Show Direct Fit Parts

1,555 products

Sort By:

Clear All

Fitment

2003 Ford Focus

Department

Street

Application

Sport Compact

Products

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

K&N RE-0860 Performance Air Filters, 12in Tall, Round Tapered

K&N |

#465RE0860

K&N RE-0860 Performance Air Filters, 12in Tall, Round Tapered

Material Type:

Cotton Gauze

Overall Height:

12"

$94.99

/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

Straight Aluminum Bulkhead Flare Fitting, Blue, -8 AN

Speedway Motors |

#6176119

Straight Aluminum Bulkhead Flare Fitting, Blue, -8 AN

(1)

AN Size:

-8 AN

Angle:

Straight

Fitting End A:

-8 AN Male

$10.99

/each

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

Speedway Motors |

#6176179

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

Angle:

Straight

Fitting End A:

-8 AN Male

Fitting End B:

-10 AN Male

$8.49

/each

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.

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.

Vortec 4.8 LS Build: Horsepower Recipes, Specs, & Upgrades

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

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.

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!

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

'32 Ford Anniversary

This year's 90th anniversary of the '32 Ford reminds us of the 75th, when some of the most famous and influential Deuce hot rods gathered at the Grand National Roadster Show.

The Difference Between 1933 and 1934 Fords

Learn about the defining differences between 1933 and 1934 Fords, including interior and exterior differences.

Header Suggestions for a '33 Ford

In this Tech Tip, one of our customers asks for a suggestion on exhaust headers for his 1933 pickup.

Straight Aluminum Bulkhead Flare Fitting, Blue, -3 AN

Speedway Motors |

#6176116

Straight Aluminum Bulkhead Flare Fitting, Blue, -3 AN

AN Size:

-3 AN

Angle:

Straight

Fitting End A:

-3 AN Male

$8.99

/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

$301 Off

Aeroquip |

#6174233

Aeroquip FBM4233 Starlite Crimp Fitting, 90 Degree, -8 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$98.99

/each

$399.87

-7%

Earls |

#425AT592904ERL

Earls AT592904ERL Aluminum -4 AN Flare Fitting Cap, Black, Pair

(2)

Material Type:

Aluminum

Sold in Quantity:

Pair

$11.94

/pair

$12.92

Fragola |

#6177007

Fragola 495113 High Flow O-Ring Port Fitting, AN6 Hose, AN10 Port

(3)

Fitting End A:

-6 AN Male

Fitting End B:

-10 AN Male O-ring

Angle:

Straight

$11.99

/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

Spectre HPR9891 hpR Air Filter, Red, 8.5in Tall, Tapered Conical

Spectre Performance |

#465HPR9891

Spectre HPR9891 hpR Air Filter, Red, 8.5in Tall, Tapered Conical

Filter Color:

Red

Overall Height:

8.5"

$87.99

/each

Spectre HPR9892 hpR Air Filter, Red, 7in Tall, Tapered Conical

Spectre Performance |

#465HPR9892

Spectre HPR9892 hpR Air Filter, Red, 7in Tall, Tapered Conical

Filter Color:

Red

Overall Height:

$87.99

/each

-62%

Aeroquip |

#61710041

Aeroquip FBM4414 Black Straight Swivel Hose End Coupler Fitting -10 AN

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$23.99

/each

$63.55

Titan Tools |

#72845207

Titan Tools 45207 Hose Clamp Assortment, 20 Piece

(3)

Style:

Worm Gear

Material Type:

Steel

Color:

Natural

$15.99

/box

FAST 301425 EGT Single 48 In. Probe w/Mini Connector, 1/4 In. Diameter

FAST Fuel Air Spark Technology |

#282301425

FAST 301425 EGT Single 48 In. Probe w/Mini Connector, 1/4 In. Diameter

GTIN Code:

036584152576

$168.95

/each

-20%

Vibrant |

#32100010

Vibrant Straight Titanium Tubing, 1.75-3 Inch O.D., Polished

Finish:

Polished

Overall Length:

39.375"

Material Type:

Titanium

$179.99

/each

$224.99

Blue Straight AN12 Flare Adapter to 3/4 Inch Aluminum Pipe Fitting

Speedway Motors |

#6176051

Blue Straight AN12 Flare Adapter to 3/4 Inch Aluminum Pipe Fitting

Fitting End A:

-12 AN Male

Fitting End B:

3/4" NPT Male

Angle:

Straight

$16.49

/each

Goodridge |

#6174072

Goodridge GA-904 90 Degree Gauge Fitting -4 AN Male to 1/8 NPT Fem

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

90 degree

$12.49

/each

GM Metric Caliper Fitting, 10mm - 1.5 to -3 AN & Crush Washers

Speedway Motors |

#9100611

GM Metric Caliper Fitting, 10mm - 1.5 to -3 AN & Crush Washers

(1)

Fitting End A:

-3 AN Male

Fitting End B:

10mm x 1.5 Male

Material Type:

Steel

$14.49

/kit

-40%

Fragola |

#61770181

Fragola 495108-BL O-Ring -12AN Hose to -10AN Port Fitting

Fitting End A:

-12 AN Male

Fitting End B:

-10 AN Male O-ring

Angle:

Straight

$16.49

/each

$27.78

-7%

Earls |

#425AT921110ERL

Earls AT921110ERL 90 Degree -10 AN Male to -10 AN Female Swivel

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Female

Angle:

90 degree

$46.57

/each

$50.38

Anodized Aluminum -10 AN Flare Plug Fitting, Black

Speedway Motors |

#61760211

Anodized Aluminum -10 AN Flare Plug Fitting, Black

Fitting End A:

-10 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.99

/each

-48%

Aluminum Flare Reducer Adapter, Black, -10 AN to -12 AN

Speedway Motors |

#61761821

Aluminum Flare Reducer Adapter, Black, -10 AN to -12 AN

Angle:

Straight

Fitting End A:

-10 AN Male

Fitting End B:

-12 AN Male

$14.99

/each

$29.03

Aluminum Flare Union Adapter Fitting, Black, -12 AN

Speedway Motors |

#61760381

Aluminum Flare Union Adapter Fitting, Black, -12 AN

Fitting End A:

-12 AN Male

Fitting End B:

-12 AN Male

Angle:

Straight

$16.99

/each

K&N RU-2580 Performance Air Filters, 3in Tall, Round Tapered

K&N |

#465RU2580

K&N RU-2580 Performance Air Filters, 3in Tall, Round Tapered

Material Type:

Cotton Gauze

Sold in Quantity:

Each

$52.99

/each

-7%

Earls |

#425915106ERL

Earls 915106ERL Blue Anodized Straight -6 AN Female Swivel Coupling

(4)

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Female

Angle:

Straight

$14.85

/each

$16.07

Spectre 9785 Coupler, 4 in. ID, 4 in. OD

Spectre Performance |

#4659785

Spectre 9785 Coupler, 4 in. ID, 4 in. OD

(1)

Inlet Diameter:

Outlet Diameter:

$62.99

/each

Anodized Aluminum -10 AN Flare Plug Fitting, Blue

Speedway Motors |

#6176021

Anodized Aluminum -10 AN Flare Plug Fitting, Blue

Fitting End A:

-10 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.99

/each

Speedway Motors |

#6174002

Female Aluminum Swivel Coupler, -10 AN

(1)

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Female

Angle:

Straight

$14.99

/each

-32%

Aluminum Flare to Pipe Tee Adapter Fitting, -6 AN to 1/4 Inch NPT

Speedway Motors |

#6176108

Aluminum Flare to Pipe Tee Adapter Fitting, -6 AN to 1/4 Inch NPT

(2)

Fitting End A:

-6 AN Male

Fitting End B:

1/4" NPT Male

Fitting End C:

-6 AN Male

$11.49

/each

$16.91

Aluminum Flare Reducer Adapter, Black, -4 AN to -6 AN

Speedway Motors |

#61761761

Aluminum Flare Reducer Adapter, Black, -4 AN to -6 AN

Angle:

Straight

Fitting End A:

-4 AN Male

Fitting End B:

-6 AN Male

$7.99

/each

DeatschWerks |

#40101025

Deatschwerks 6-0550-FRB DWR550c Adjustable Carburetor Regulator

Sold in Quantity:

Each

Material Type:

Aluminum

$139.00

/each

Ti22 Performance |

#94005570

Ti22 Performance TIP5570 Dash Bulkhead Plate AN6

AN Size:

-6 AN

Material Type:

Billet Aluminum

Bulkhead Nut Included:

$33.99

/each

AutoMeter |

#1822278

AutoMeter 2278 Sender Adapter Fitting, Brass, 1/8 NPT - M12x1.75

(2)

Fitting End A:

1/8" NPT Female

Fitting End B:

12mm-1.75

Angle:

Straight

$18.49

/each

Straight Socketless Push-On Fitting, 30 Degree Taper, -8 AN to 3/8 NPT

Aeroquip |

#1061206

Straight Socketless Push-On Fitting, 30 Degree Taper, -8 AN to 3/8 NPT

Fitting End A:

1/2" Hose barb

Fitting End B:

3/8" NPT Male

Angle:

Straight

$6.99

/each

Showing 1 - 612 of 1,555 results

Shop Feedback:

Did you find what you are looking for?

2003 Ford Focus Engine Parts

Subcategory

Part

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

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

K&N RE-0860 Performance Air Filters, 12in Tall, Round Tapered

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

Straight Aluminum Bulkhead Flare Fitting, Blue, -8 AN

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

Related Articles

Straight Aluminum Bulkhead Flare Fitting, Blue, -3 AN

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

Aeroquip FBM4233 Starlite Crimp Fitting, 90 Degree, -8 AN

Earls AT592904ERL Aluminum -4 AN Flare Fitting Cap, Black, Pair

Fragola 495113 High Flow O-Ring Port Fitting, AN6 Hose, AN10 Port

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

Spectre HPR9891 hpR Air Filter, Red, 8.5in Tall, Tapered Conical

Spectre HPR9892 hpR Air Filter, Red, 7in Tall, Tapered Conical

Aeroquip FBM4414 Black Straight Swivel Hose End Coupler Fitting -10 AN

Titan Tools 45207 Hose Clamp Assortment, 20 Piece

FAST 301425 EGT Single 48 In. Probe w/Mini Connector, 1/4 In. Diameter

Vibrant Straight Titanium Tubing, 1.75-3 Inch O.D., Polished

Blue Straight AN12 Flare Adapter to 3/4 Inch Aluminum Pipe Fitting

Goodridge GA-904 90 Degree Gauge Fitting -4 AN Male to 1/8 NPT Fem

GM Metric Caliper Fitting, 10mm - 1.5 to -3 AN & Crush Washers

Fragola 495108-BL O-Ring -12AN Hose to -10AN Port Fitting

Earls AT921110ERL 90 Degree -10 AN Male to -10 AN Female Swivel

Anodized Aluminum -10 AN Flare Plug Fitting, Black

Aluminum Flare Reducer Adapter, Black, -10 AN to -12 AN

Aluminum Flare Union Adapter Fitting, Black, -12 AN

K&N RU-2580 Performance Air Filters, 3in Tall, Round Tapered

Earls 915106ERL Blue Anodized Straight -6 AN Female Swivel Coupling

Spectre 9785 Coupler, 4 in. ID, 4 in. OD

Anodized Aluminum -10 AN Flare Plug Fitting, Blue

Female Aluminum Swivel Coupler, -10 AN

Aluminum Flare to Pipe Tee Adapter Fitting, -6 AN to 1/4 Inch NPT

Aluminum Flare Reducer Adapter, Black, -4 AN to -6 AN

Deatschwerks 6-0550-FRB DWR550c Adjustable Carburetor Regulator

Ti22 Performance TIP5570 Dash Bulkhead Plate AN6

AutoMeter 2278 Sender Adapter Fitting, Brass, 1/8 NPT - M12x1.75

Straight Socketless Push-On Fitting, 30 Degree Taper, -8 AN to 3/8 NPT