ST AND RS — FORD'S HOT HATCH

From the original SVT Focus to the EcoBoost ST and RS — Ford's compact performance answer.

Ford Focus HERITAGE

FORD'S HOT-HATCH HERITAGE

The Ford Focus became Ford's compact-platform performance car. The original SVT Focus (2002–2004) launched the lineage; the EcoBoost-era ST (2.0L turbo) brought it mainstream; the limited Focus RS (2.3L EcoBoost with AWD) became the hot-hatch enthusiasts begged for.

MOTORMIA Focus builds split between SVT first-gens, ST 2.0T bolt-ons, and RS AWD turbo monsters with stage-3 tunes, fuel-system upgrades, and built turbos. The EcoBoost engine shares aftermarket with the Mustang EcoBoost.

Ford Focus ON MOTORMIA

THE NUMBERS

2,833
Parts that fit
2,000+
MOTORMIA Builds
EBC
#1 brand by SKUs
$551
Average MSRP

READY TO BUILD YOUR FORD FOCUS?

Pick your year and trim to shop verified-fit Ford Focus parts.

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Verified Fitment

Ford Focus Category ignitions and electrical Parts

362 parts available

Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.

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STANDARD IGN auto part

STANDARD IGN

ABS SENSOR HARNESS

STANDARD IGN auto part

STANDARD IGN

ABS SENSOR HARNESS

STANDARD IGN auto part

STANDARD IGN

FORD 4 CYL. 2.0L FOCUS SP

STANDARD IGN auto part

STANDARD IGN

STD SWITCH-TEMP

S

STANDARD IGN

SWITCH DIMMER

STANDARD IGN auto part

STANDARD IGN

TSERIES SENSOR THROTTL

STANDARD IGN auto part

STANDARD IGN

ABS SENSOR HARNESS

DELPHI auto part

DELPHI

VEHICLE SPEED SENSOR

S

STANDARD IGN

PIGTAIL/SOCKET

DELPHI auto part

DELPHI

ENGINE CRANKSHAFT POSITION SENSOR

STANDARD IGN auto part

STANDARD IGN

CAM SENS

S

STANDARD IGN

STANDARD CAMSHAFT AND CRA

STANDARD IGN auto part

STANDARD IGN

CAM/CRANK SENSORS

STANDARD IGN auto part

STANDARD IGN

CRANKSHAFT SENSOR

STANDARD IGN auto part

STANDARD IGN

CAMSHAFT SENSOR

STANDARD IGN auto part

STANDARD IGN

STANDARD CRANKSHAFT POSITION SENSOR

DELPHI auto part

DELPHI

ABS WHEEL SPEED SENSOR

STANDARD IGN auto part

STANDARD IGN

STANDARD SWITCH - MISC

D

DELPHI

IGNITION COIL - COIL ON PLUG

DELPHI auto part

DELPHI

ABS WHEEL SPEED SENSOR

Autolite auto part

Autolite

DOUBLE PLATINUM PLUG

A

Autolite

AUTOLITE FINEWIRE SP PLUG

Autolite auto part

Autolite

DOUBLE PLATINUM DISPLAY P

Autolite auto part

Autolite

DOUBLE PLATINUM PLUG - 48

Spark Plugs: Various Models: Xtreme Performance plugs with focused ignition for better overall ignitability and optimum performance 4 per box

Autolite

Spark Plugs: Various Models: Xtreme Performance plugs with focused ignition for better overall ignitability and optimum performance 4 per box

A

Autolite

SMALL ENGINE DISPLAY PACK

Autolite auto part

Autolite

DBL PLAT SPK PLUG 4/PK

Autolite auto part

Autolite

4OUBLE PLATINUM PLUG

Spark Plug Premium Racing

Brisk Spark Plugs

Spark Plug Premium Racing

AMP HARNESS DISCOVRY99-04

Metra Electronics

AMP HARNESS DISCOVRY99-04

FORD 1998-UP SPEAKER HARNESS - PAIR

Metra Electronics

FORD 1998-UP SPEAKER HARNESS - PAIR

FORD/MERCURY - FOCUS 2000-2004/COUGAR 1999-2002 RADIO DASH KIT

Metra Electronics

FORD/MERCURY - FOCUS 2000-2004/COUGAR 1999-2002 RADIO DASH KIT

M

Metra Electronics

INDASH MOUNT FOR 2012-2015 FORD FOC

FORD AMP BYPASS HARNESS 2011-2017 (

Metra Electronics

FORD AMP BYPASS HARNESS 2011-2017 (

WR HRNS FD/LINC 1986-

Metra Electronics

WR HRNS FD/LINC 1986-

FORD PLUG N PLAY HARNESS FOR AX-ADDCAM INTERFACE 2011-UP

Metra Electronics

FORD PLUG N PLAY HARNESS FOR AX-ADDCAM INTERFACE 2011-UP

FORD/MERC TURBOKIT 99-04

Metra Electronics

FORD/MERC TURBOKIT 99-04

COUGAR/FOCUS 99-04 INTO RADIO

Metra Electronics

COUGAR/FOCUS 99-04 INTO RADIO

FORD TO BLUETOOTH HARNESS

Metra Electronics

FORD TO BLUETOOTH HARNESS

FORD/MERCURY - FOCUS 2000-2004/COUGAR 1999-2002

Metra Electronics

FORD/MERCURY - FOCUS 2000-2004/COUGAR 1999-2002

M

Metra Electronics

99-5827 FORD FOCUS VENT PANEL HIGH GLOSS BLACK

99-5827 FORD FOCUS VENT PANEL WHITE

Metra Electronics

99-5827 FORD FOCUS VENT PANEL WHITE

COUGAR/FOCUS 99-04 HARNESS

Metra Electronics

COUGAR/FOCUS 99-04 HARNESS

8805 AUDI/BMW/MERCEDES/VW FACTORY ANTENNA W/FLAT PLUG ANTENNA ADAPTER

Metra Electronics

8805 AUDI/BMW/MERCEDES/VW FACTORY ANTENNA W/FLAT PLUG ANTENNA ADAPTER

M

Metra Electronics

99-5827 FORD FOCUS VENT PANEL SILVER

AX-ADXSVI 11-UP FORD HARNESS

Metra Electronics

AX-ADXSVI 11-UP FORD HARNESS

8805 AUDI/BMW/MERCEDES/VW FACTORY RADIO W/FLAT CONNECTOR TO AFTERMARKET ANTENNA

Metra Electronics

8805 AUDI/BMW/MERCEDES/VW FACTORY RADIO W/FLAT CONNECTOR TO AFTERMARKET ANTENNA

CAPACITOR

Dorman

CAPACITOR

DOUBLE PLATINUM POWER SPA

Champion Race Plugs

DOUBLE PLATINUM POWER SPA

BRAKE HOSE

Dorman

BRAKE HOSE

CALIPER REPAIR KIT

Dorman

CALIPER REPAIR KIT

PLATINUM POWER 2PACK C

Champion Race Plugs

PLATINUM POWER 2PACK C

MAG-TUNE WIRE SET 1880

Moroso

MAG-TUNE WIRE SET 1880

PIGTAIL OR SOCKET

Dorman

PIGTAIL OR SOCKET

SPARK PLUG 4/BOX

Champion Race Plugs

SPARK PLUG 4/BOX

D

Dorman

EXT DOOR HANDLE LH

KEYLESS REMOTE CASE

Dorman

KEYLESS REMOTE CASE

INTAKE HOSE

Dorman

INTAKE HOSE

TIE ROD ADJUSTING SLEEVE

Dorman

TIE ROD ADJUSTING SLEEVE

CALIPER BRACKET BOLT

Dorman

CALIPER BRACKET BOLT

FAQ

Frequently Asked Questions About the Ford Focus

What are the best aftermarket parts brands for the Ford Focus?

The top brands MOTORMIA owners trust for Ford Focus builds are EBC, PowerStop, Mishimoto, Magnaflow, and H&R. The catalog carries 2,833 parts that fit the Focus. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.

What's the best trim or sub-model of the Ford Focus to modify?

The most-modified Focus trims are SVT Focus, ST, RS. These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the Focus's engine family (Zetec 2.0 (SVT), 2.0L EcoBoost (ST), 2.3L EcoBoost (RS)) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.

What's the typical mod path for a Ford Focus?

For most Ford Focus builds, the recommended modification order is: ECU tune → intake → downpipe → turbo upgrade → fuel system. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Ford Focus builds at every power level.

How does the Ford Focus aftermarket compare to the Volkswagen Golf GTI / Honda Civic Si?

The Ford Focus is Ford's compact hot-hatch with the SVT, ST, and RS performance variants. On MOTORMIA, 2,833 parts fit the Focus across 2,000+ active member builds, with an average part MSRP of $551. The decision usually comes down to which platform you own — both have full bolt-on catalogs.

Will any Ford Focus part fit my year and trim?

Not always. The Ford Focus has had multiple generations and engine changes (e.g., Zetec 2.0 (SVT), 2.0L EcoBoost (ST), 2.3L EcoBoost (RS)), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the Focus a part fits. Use the fitment selector at the top of any page to pre-filter to your build.

Does MOTORMIA offer returns on Ford Focus parts?

Yes. Most Ford Focus parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.

MOTORMIA APP

Build your Ford Focus with Mia

Personalized Ford Focus mod recommendations, verified fitment from real Focus owners, and a garage that tracks every part on your build.

  • Mod recommendations tuned to your Focus year, trim, and submodel
  • Verified fitment data from 2,000+ Ford Focus member builds
  • Performance gain estimates based on real-world results
  • Save your garage and track every part you've installed