Emission Systems for 2003 Ford Focus
Select Emission Systems part
Bosch Oxygen Sensor
Bosch
15729
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor...
Positions: Upstream
Fits Your Vehicle
Bosch Oxygen Sensor
Bosch
15741
Bosch SmartLink™ Universal Oxygen (O2) sensors combine OE-specification base sensors with a flexible, patented Posi-Lock® connector...
Positions: Downstream
$48.51
Fits Your Vehicle
Oxygen Sensor 4 Wire, Universal, Heated, Wire Length: 11.77
Denso
234-4210
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision...
Positions: Downstream
$45.81
Fits Your Vehicle
Camshaft Sensor Connector
SMP CORP
S-824
Camshaft Sensor Connector Camshaft Sensor Connector Camshaft Sensor Pigtail Connector Connectors Pigtail Pigtails
$8.89
Fits Your Vehicle
Canister Purge Valve Connector
SMP CORP
S-1752
Canister Purge Valve Connector Canister Purge Valve Connector Canister Purge Valve Pigtail Connector Connectors Pigtail Pigtails
$66.33
Fits Your Vehicle
Wiring Pigtail
ACDelco
PT2160
ACDelco Gold (Professional) 2‑cavity pigtail connector with leads. Commonly used on GM vehicles as an inline‑to‑body harness connector...
$24.80
Fits Your Vehicle
Holstein Parts 2HAR0035 Vapor Canister Connector
HOLSTEIN
2HAR0035
Holstein Parts 2HAR0035 Vapor Canister Connector Holstein;Vapor;Canister;Connector
Fits Your Vehicle
PCV Emissions Hose
Dorman
46830
Proper crankcase ventilation is key to smooth performance and engine longevity. Made from quality materials to resist cracking and...
$18.15
Fits Your Vehicle
HELLA Oxygen Sensor 358103381
Hella
358103381
The proportion of electronics in vehicles has increased continuously in recent years. A development in which HELLA has long played a...
Positions: Front
$53.64
Fits Your Vehicle
EGR Pressure Regulator Solenoid Valve Replaces Ford 6L3Z9H465B
Dorman
911-156
This EGR vacuum and evaporation pressure regulator solenoid valve is designed to match the fit and function of the original valve on...
$35.02
Fits Your Vehicle
Premium Oxygen Sensor
Spectra Premium
OS5037
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium oxygen sensors meet or exceed the...
Positions: Downstream
Fits Your Vehicle
NTK OE Type Oxygen Sensor
NTK Oxygen Sensors
22106
NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s...
Positions: Downstream
Fits Your Vehicle
APEX Automobile Parts Inc Exhaust Gas Recirculation (EGR) Valve Gasket
APEX Automobile Parts Inc
AGR5080
APEX Automobile Parts Inc Exhaust Gas Recirculation (EGR) Valve Gasket
$1.34
Fits Your Vehicle
Bosch Oxygen Sensor
Bosch
15717
Bosch Switching-Type Oxygen (O2) sensors provide precise air-fuel-ratio measurements to the ECU, ensuring stable combustion control and...
Positions: Upstream
$41.28
Fits Your Vehicle
Air Charge Temp Sensor Connector
SMP CORP
S-1080
Air Charge Temp Sensor Connector Air Charge Temp Sensor Connector Air Charge Temp Sensor Pigtail Connector Connectors Pigtail Pigtails
$34.03
Fits Your Vehicle
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