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
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
CATEGORIES
Top product categories for the Ford Focus
BRANDS
Top brands for Ford Focus builds
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 air and fuel Parts
642 parts available
Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.
Bosch
A/C SPRING LOCK COUPLER 3/4'

Dorman
PCV EMISSIONS HOSE
Gates
Gates 13-18 Ford Focus 4-Cyl. 2.0L Turbo Oil Line Filter

COBB
COBB Front Mount Intercooler Hardware Kit - 2013-2018 Ford Focus ST

COBB
COBB Ford Focus ST 3in Cat-Back Exhaust Replacement Hardware Kit (Gasket and bolts)

Torque Solution
Torque Solution 13-18 Ford Focus ST Map Sensor Adapter PNP Harness

DeatschWerks
DeatschWerks Ford Focus MK2 RS DW65C Fuel Pump Set up Kit

K&N Engineering
K&N 97-08 Ford F150 5.4L V8 Fuel Filter

aFe
aFe ProGuard D2 Fluid Filters Oil F/F OIL Ford Trucks 97-08 V6-4.2L V8-4.6L

Full Race
Full-Race Garrett Ford 2.0L 13-18 PowerMax Stage 1 Turbo 886195-5001S
STANDARD IGN
FUEL PRESSURE SENSOR
STANDARD IGN
MASS AIR FLOW

STANDARD IGN
STD VALVE-CANISTER PURGE

STANDARD IGN
TECHSMART ELECTRONIC THROTTLE BODY

STANDARD IGN
FUEL INJECTOR
STANDARD IGN
STD VALVE-CANISTER PURGE

STANDARD IGN
STANDARD FUEL VAPOR CANISTER

Walker Products Inc. - Sensors
MASS AIR FLOW SENSOR

STANDARD IGN
FUEL VAPOR CANISTER
STANDARD IGN
HI PRESS FUEL PUMP

STANDARD IGN
FUEL PRESSURE SENSOR

STANDARD IGN
STANDARD FUEL INJECTOR GDI GAS NEW
STANDARD IGN
THROTTLE BODY

STANDARD IGN
FUEL INJECTOR
STANDARD IGN
TURBOCHARGER HOSE

Walker Products Inc. - Sensors
THROTTLE POSITION SENSOR

STANDARD IGN
IDLE AIR CONTR VALVE

Walker Products Inc. - Sensors
OXYGEN SENSOR

STANDARD IGN
FUEL INJECTOR

STANDARD IGN
STD EGR MISC

STANDARD IGN
FUEL PRESSURE SENSOR

STANDARD IGN
STD SNSR-PRESSURE
STANDARD IGN
FUEL VAPOR LEAK DETECTION PUMP FILT

Walker Products Inc. - Sensors
WALKER PRODUCTS 250-25171 O2 SENSOR

STANDARD IGN
EXHAUST GAS RECIRCULATION VALVE

Walker Products Inc. - Sensors
OXYGEN SENSOR

STANDARD IGN
INTAKE MANIFOLD ACTUATOR
STANDARD IGN
DIVERTER VALVE

STANDARD IGN
FUEL PUMP DRIVER MODULE

Walker Products Inc. - Sensors
MASS AIR FLOW SENSOR
STANDARD IGN
ELECTRONIC THROTTLE BODY

STANDARD IGN
MAP/BAPP SENSOR

STANDARD IGN
TURBO BYPASS VALVE

STANDARD IGN
STANDARD FUEL INJECTOR SE
STANDARD IGN
FUEL INJECTION THROTTLE BODY

DELPHI
FUEL PUMP MODULE ASSEMBLY

DELPHI
FUEL PUMP

DELPHI
MAF SENSOR - PROBE ONLY

DELPHI
FUEL PUMP MODULE ASSEM

DELPHI
FUEL PUMP MODULE ASSEM
STANDARD IGN
INTERMOTOR FUEL VAPOR CANISTER

DELPHI
MAF SENSOR - PROBE ONLY

DELPHI
FUEL PUMP MODULE ASSEM

DELPHI
FUEL PUMP MODULE ASSEM

DELPHI
FUEL PUMP MODULE ASSEM

A1 REMFG INC
ELECTRONIC THROTTLE BODY

DELPHI
FUEL PUMP MODULE ASSEM

DELPHI
FUEL PUMP MODULE ASSEMBLY

CARTER
IN TANK PUMP & STRAINER
CARTER
FUEL PMP MODULE ASSY
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