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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CLOCK SPRING

STANDARD IGN

CLOCK SPRING

BATTERY CURRENT / VOLT SENSOR

STANDARD IGN

BATTERY CURRENT / VOLT SENSOR

VEHICLE SPEED SENSOR

STANDARD IGN

VEHICLE SPEED SENSOR

STANDARD CLOCK SPRING

STANDARD IGN

STANDARD CLOCK SPRING

S

STANDARD IGN

ACCELERATOR PEDAL SENSOR

REMANUFACTURED ALTERNATOR

REMY

REMANUFACTURED ALTERNATOR

REMANUFACTURED STARTER

REMY

REMANUFACTURED STARTER

REMANUFACTURED ALTERNATOR

REMY

REMANUFACTURED ALTERNATOR

R

REMY

NEW ALTERNATOR

R

REMY

IMPORT ALTERNATOR

R

REMY

REMANUFACTURED ALTERNATOR

R

REMY

TURBOCHARGER

R

REMY

NEW ALTERNATOR

R

REMY

NEW ALTERNATOR

IMPORT ALTERNATOR

REMY

IMPORT ALTERNATOR

EXIDE SPRINTER MAX EXTREME

EXIDE

EXIDE SPRINTER MAX EXTREME

NEW STARTER

REMY

NEW STARTER

SWITCH

STANDARD IGN

SWITCH

R

REMY

NEW ALTERNATOR

R

REMY

REMANUFACTURED ALTERNATOR

R

REMY

REMANUFACTURED ALTERNATOR

R

REMY

REMANUFACTURED ALTERNATOR

R

REMY

NEW ALTERNATOR

R

REMY

NEW ALTERNATOR

REMY red auto part

REMY

REMANUFACTURED STARTER

REMY red auto part

REMY

REMANUFACTURED ALTERNATOR

REMY red auto part

REMY

REMANUFACTURED ALTERNATOR

STANDARD IGN auto part

STANDARD IGN

YAW RATE SENSOR

STANDARD IGN auto part

STANDARD IGN

EGR VALVE

REMY auto part

REMY

NEW HD STARTER

R

REMY

NEW ALTERNATOR

R

REMY

REMANUFACTURED ALTERNATOR

R

REMY

REMANUFACTURED ALTERNATOR

R

REMY

REMANUFACTURED ALTERNATOR

R

REMY

DOMESTIC STARTER

R

REMY

DOMESTIC ALTERNATOR

S

STANDARD IGN

SWITCH IGNITION

S

STANDARD IGN

POWER DOOR LOCK ACTR

STANDARD IGN auto part

STANDARD IGN

POWER DOOR LOCK ACTR

S

STANDARD IGN

POWER DOOR LOCK ACTR

J

JMS

PedalMAX Drive By Wire Throttle Device

STANDARD IGN auto part

STANDARD IGN

MULTI-FUNCTION SWITCH

STANDARD IGN auto part

STANDARD IGN

IGNITION LOCK CYLINDER HOUSING REPA

STANDARD IGN auto part

STANDARD IGN

ENGINE VARIABLE VALVE TIMING SPROCK

STANDARD IGN auto part

STANDARD IGN

IGNITION LOCK CYLINDER HOUSING REPA

S

STANDARD IGN

IGNITION STARTER SWITCH

S

STANDARD IGN

PARK ASSIST CAMERA

J

JMS

BoostMAX Module Ford 10-16 Ecoboost 1.6/2.0L

S

STANDARD IGN

RADIATOR ACTIVE GRILLE SHUTTER ASSE

DELPHI auto part

DELPHI

MAF SENSOR - PROBE ONLY

STANDARD IGN auto part

STANDARD IGN

NEUTRAL/BACKUP SWITCH

S

STANDARD IGN

CLOCK SPRING

A1 REMFG INC auto part

A1 REMFG INC

FORD ENG CTRL COMPUTERS

STANDARD IGN springs

STANDARD IGN

CLOCK SPRING

STANDARD IGN auto part

STANDARD IGN

BATTERY CURRENT / VOLT SENSOR

STANDARD IGN auto part

STANDARD IGN

MULTI FUNCTION CONNECTOR

STANDARD IGN auto part

STANDARD IGN

NEUTRAL SAFETY SW

E

Edge Autosport

STAGE 2 KITS

A

A1 REMFG INC

FORD ENG CONTROL COMP

E

Edge Autosport

JAMMER COLD-AIR INTAKE (CAI) WITH D

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.

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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