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.

Free Shipping
30-Day Returns
THERMOSTAT HOUSING WITH THERMOSTAT

Dorman

THERMOSTAT HOUSING WITH THERMOSTAT

3M SCOTCH-WELD EPX 10:1 MIXING N

3M Products

3M SCOTCH-WELD EPX 10:1 MIXING N

THERMOSTAT HOUSING

Dorman

THERMOSTAT HOUSING

BMR

Dorman

BMR

RADIATOR MOUNT BUSHINGS

Dorman

RADIATOR MOUNT BUSHINGS

AIR DOOR ACTUATOR

Dorman

AIR DOOR ACTUATOR

Gates OE Type Radiator Cap

Gates

Gates OE Type Radiator Cap

M

Mahle

Ford 4 2.0L DOHC inZetecin 1995-2001.

M

Mahle

Radiator Drain Plug

G

Gates

Gates OE Type Radiator Cap

THERMAL PRODUCTS

Clevite

THERMAL PRODUCTS

G

Gates

Gates Engine Coolant Thermostat Gasket

V

Victor Reinz

Engine Coolant Thermostat Gasket - 71-13563-00

C

Clevite

FORD PRODUCTS 4 2.0L SOHC FOCUS 20002003 WATER OUTLET GASKET

Gates Engine Coolant Thermostat Seal

Gates

Gates Engine Coolant Thermostat Seal

Gates 13-17 Ford Focus 4-Cyl. 2.0L By Pass Molded Heater Hose

Gates

Gates 13-17 Ford Focus 4-Cyl. 2.0L By Pass Molded Heater Hose

M

Maxzone Vehicle Lighting Corp

RADIATOR COOLING FAN ASSY FORD FOCUS 1518

STANDARD PIGTAIL

STANDARD IGN

STANDARD PIGTAIL

F

FOUR SEASONS

COMPLETE A/C KIT

CONDENSER /PARALLEL

FOUR SEASONS

CONDENSER /PARALLEL

BLWR MOTOR RESISTOR

STANDARD IGN

BLWR MOTOR RESISTOR

BLOWER MTR RESISTOR

STANDARD IGN

BLOWER MTR RESISTOR

STANDARD PIGTAIL

STANDARD IGN

STANDARD PIGTAIL

DRIVE MOTOR BATTERY PACK CHILLER AS

MOTORAD

DRIVE MOTOR BATTERY PACK CHILLER AS

S

STANDARD IGN

BLOWER MTR RESISTOR

STANDARD IGN auto part

STANDARD IGN

STD SWITCH-HEATER

MOTORAD auto part

MOTORAD

TOMA DE AGUA

FOUR SEASONS auto part

FOUR SEASONS

PLATE&FIN EVAPORATOR CORE

FOUR SEASONS auto part

FOUR SEASONS

CONDENSER /PARALLEL

MOTORAD auto part

MOTORAD

HEATER COOLANT HEATER

M

MOTORAD

HOUSING ASSEMBLY

F

FOUR SEASONS

CONDENSER /PARALLEL

F

FOUR SEASONS

COMPLETE A/C KIT

FOUR SEASONS auto part

FOUR SEASONS

LIQUID LINE HOSE ASSEMBLY

FOUR SEASONS auto part

FOUR SEASONS

SUCTION LINE HOSE ASSEMBL

FOUR SEASONS auto part

FOUR SEASONS

LIQUID LINE HOSE ASSEMBLY

FOUR SEASONS auto part

FOUR SEASONS

DISCHARGE & SUCTION LINE

FOUR SEASONS air compressor

FOUR SEASONS

REMAN HALLA HCC-VS16 COMPRESSOR W/

FOUR SEASONS air compressor

FOUR SEASONS

NEW COMPRESSOR

FOUR SEASONS air compressor

FOUR SEASONS

NEW COMPRESSOR

FOUR SEASONS air compressor

FOUR SEASONS

NEW FORD FS10 COMPRESSOR

F

FOUR SEASONS

COMPRESSOR NEW

F

FOUR SEASONS

COMPLETE A/C KIT

FOUR SEASONS auto part

FOUR SEASONS

HOSE ASSY.

FOUR SEASONS auto part

FOUR SEASONS

REMAN FORD FS10 COMPRESSR

FOUR SEASONS auto part

FOUR SEASONS

HALLA HCC-VS16 CMPRSR

F

FOUR SEASONS

COMPLETE A/C KIT

FOUR SEASONS auto part

FOUR SEASONS

RESISTOR BLOCK

F

FOUR SEASONS

BLOWER MOTOR KIT

FOUR SEASONS auto part

FOUR SEASONS

OUTLET / HOUSING KIT

FOUR SEASONS auto part

FOUR SEASONS

RAD / COND FAN ASSY.

FOUR SEASONS auto part

FOUR SEASONS

RAMN COMPRESSR

FOUR SEASONS auto part

FOUR SEASONS

RADIATOR FAN MOTOR ASMBLY

F

FOUR SEASONS

COMPLETE A/C KIT

FOUR SEASONS auto part

FOUR SEASONS

RADIATOR CONDENSER FAN

FOUR SEASONS auto part

FOUR SEASONS

RADIATOR FAN ASSY.

F

FOUR SEASONS

RADIATOR FAN ASSY.

FOUR SEASONS auto part

FOUR SEASONS

RADIATOR CONDENSER FAN

FOUR SEASONS air compressor

FOUR SEASONS

FS10 COMPRESSOR W/ CLUTCH

F

FOUR SEASONS

PARALLEL FLOW CONDENSER

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