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.

Shop all Ford Focus parts →

Verified Fitment

Ford Focus Category:heating and cooling Parts

291 parts available

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

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30-Day Returns
Mishimoto black oil cooler

Mishimoto

Mishimoto 13+ Ford Focus ST Thermostatic Oil Cooler Kit - Black

Mishimoto blue auto part

Mishimoto

Mishimoto 02-04 Ford Focus SVT Blue Silicone Hose Kit

aFe black intercooler

aFe

aFe Bladerunner 2.5in Intercooler Hot Side Tubes, 13-14 Ford Focus ST 2.0L (t) *Black*

D

DAYCO HYDRAULIC

RADIATOR HOSE

HOSE

DAYCO HYDRAULIC

HOSE

D

DAYCO HYDRAULIC

MOLDED HTR HOSE

MOLDED HEATER DAYCO

DAYCO HYDRAULIC

MOLDED HEATER DAYCO

MOLDED HTR HOSE

DAYCO HYDRAULIC

MOLDED HTR HOSE

D

DAYCO HYDRAULIC

SMALL ID HOSE

D

DAYCO HYDRAULIC

HOSE

D

DAYCO HYDRAULIC

CURVED RADIATOR HOSE

D

DAYCO HYDRAULIC

MOLDED HTR HOSE

CURVED HOSE

DAYCO HYDRAULIC

CURVED HOSE

D

DAYCO HYDRAULIC

CURVED HOSE

THERMOSTAT

MOTORAD

THERMOSTAT

BLOWER MTR RESISTOR

STANDARD IGN

BLOWER MTR RESISTOR

MOTORAD auto part

MOTORAD

COOLANT HOUSING

MOTORAD auto part

MOTORAD

THERMOSTAT KIT

DAYCO HYDRAULIC auto part

DAYCO HYDRAULIC

CURVED RADIATOR HOSE

M

MOTORAD

SEAL

MOTORAD auto part

MOTORAD

RADIATOR CAP

D

DAYCO HYDRAULIC

MOLDED HEATER DAYCO

DAYCO HYDRAULIC auto part

DAYCO HYDRAULIC

RADIATOR HOSE

D

DAYCO HYDRAULIC

MOLDED HEATER DAYCO

FOUR SEASONS auto part

FOUR SEASONS

HOSE ASSEMBLY

ELKHART SUPP auto part

ELKHART SUPP

RISER W/NUTS & WASHER 1/4 ID X 60

FOUR SEASONS auto part

FOUR SEASONS

AIR DOOR ACTUATOR

FOUR SEASONS auto part

FOUR SEASONS

THERMOSTAT HOUSING

FOUR SEASONS auto part

FOUR SEASONS

WATER OUTLET

FOUR SEASONS auto part

FOUR SEASONS

AL FILTR DRIER W/PD MOUNT

F

FOUR SEASONS

ALUMINUM FILTER DRIER W/ PAD MOUNT

F

FOUR SEASONS

SEAL KIT

FOUR SEASONS auto part

FOUR SEASONS

ENGINE COOLANT THERMOSTAT

FOUR SEASONS auto part

FOUR SEASONS

DESSICANT BAG KIT

F

FOUR SEASONS

AC SYSTEM SEAL KIT

F

FOUR SEASONS

RESISTOR BLOCK

FOUR SEASONS auto part

FOUR SEASONS

WATER OUTLET

FOUR SEASONS air filter

FOUR SEASONS

FILTER DRIER

ELKHART SUPP auto part

ELKHART SUPP

3/4'PB TP PEX COUPL W/CLAMPS

F

FOUR SEASONS

ALUMINUM FILTER DRIER W/ PAD MOUNT

FOUR SEASONS auto part

FOUR SEASONS

AIR DOOR ACTUATOR

FOUR SEASONS auto part

FOUR SEASONS

FLOOR MODE ACTUATOR

ELKHART SUPP auto part

ELKHART SUPP

LF WATER HEATER INSTL KIT

FOUR SEASONS auto part

FOUR SEASONS

RELAY

FOUR SEASONS auto part

FOUR SEASONS

THERMOSTAT HOUSING

FOUR SEASONS auto part

FOUR SEASONS

EXPANSION VALVE

F

FOUR SEASONS

DESSICANT BAG KIT

FOUR SEASONS auto part

FOUR SEASONS

RESISTOR BLOCK

W

Wheel Pros, LLC

WCA - 301 GMC/SAT CHROME CAP

BULGE LT LUG 13/16" 12-1.50 CHR BUL

Wheel Pros, LLC

BULGE LT LUG 13/16" 12-1.50 CHR BUL

D

Dana

THERMOSTAT GASKET

PIGTAIL OR SOCKET

Dorman

PIGTAIL OR SOCKET

BLOWER MOTOR RESISTOR KIT WITH HARN

Dorman

BLOWER MOTOR RESISTOR KIT WITH HARN

BLOWER RESISTOR HARNESS

Dorman

BLOWER RESISTOR HARNESS

BMR KIT

Dorman

BMR KIT

RADIATOR BRACKET

Dorman

RADIATOR BRACKET

THERMOSTAT HOUSING

Dorman

THERMOSTAT HOUSING

RAD. DRAIN COCK M10X1.50

Dorman

RAD. DRAIN COCK M10X1.50

C. TUBE

Dorman

C. TUBE

THERMOSTAT HOUSING

Dorman

THERMOSTAT HOUSING

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