Wiring System - Engine Compartment Wiring fit your 2003 Ford Focus 4 Cyl 2.3L 4-Speed Automatic Transmission 4F27E
My Vehicle Change Vehicle
2003 Ford Focus
4 Cyl 2.3L; 4-Speed Automatic Transmission 4F27E
My Vehicle Change Vehicle
2003 Ford Focus
4 Cyl 2.3L; 4-Speed Automatic Transmission 4F27E
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Lamps & Wiring
- 4-Spoke Wheel & Related Parts
- Air Bag Modules, Sensors & Wiring
- Dealer Installed Remote Start Kits
- Dealer Installed Vehicle Security Systems
- Dome Lamp
- Electrical Wire Terminals
- Fog Lamps & Related Parts
- Fuse Panel & Related Parts
- Headlamp, Parking, Cornering & Bodyside Marker Lamp
- High Mount Stoplamp
- Horn & Related Parts
- Luggage Compartment Lamp
- Pigtail Wiring Kit
- Rear, Backup & Bodyside Marker Lamps
- Wire Connection Sleeve Kits
- Wiring System - Body Wiring
- Wiring System - Engine Compartment Wiring
- Wiring System - Engine Wiring
- Wiring System - Instrument Panel
- Wiring System - Power Window, Door Locks & Controls
- Wiring System - Transmission Wiring
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Accelerator Linkage, Air Cleaner & Speed Control
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Recommended
Part No. & Part Description
Price
Part No. &
Part Description
Part Description
MSRP: $11.00$6.444
- SENSOR ASY. (AIR FLOW)
3W4Z-12B579-AB
Sensor AssyThe housing that this mounts into is only serviced with the 9600., 2.3L, PZEV- Callout Name:12B579
- Replaced By:3W4Z-12B579-AC
MSRP: $158.00$95.591 - Callout Name:
-W709287-S300
BoltAttaches MAFS (12B579)., 2.3L, PZEV- Require Quantity:2
- Package Quantity:4
- Base Number:HB1
- Callout Name:12B579
MSRP: $3.75$2.204- Require Quantity:
- HORN ASY.
2M5Z-13832-BB
Horn Assy - Low PitchLow pitch - used for single-note horn option and also as low pitch horn for dual-note horn option- Callout Name:13832
- Replaced By:2W7Z-13800-BA
MSRP: $52.50$36.541 - Callout Name:
MSRP: $33.64$24.621
- LATCH (HOOD) AND 16701
MSRP: $158.75$108.561 - 2M5Z-16700-AB
Latch Assy - Hoodw/o anti-theft exc. Mexico- Fit Note:54, 74
- Callout Name:16700
- Replaced By:3S4Z-16700-AA
- Fit Note:
- COMPRESSOR ASY. (AIR CONDITIONER)
4S4Z-19V703-AA
Compressor AssyNew loaded compressor assembly. Includes clutch (19D786), coil (19D798), pulley (19D784) & oil., 2.3L- Callout Name:19703
- Replaced By:HU2Z-19703-V
MSRP: $540.11$392.041 - Callout Name:
- 3S4Z-19V703-BA
Compressor AssyNew loaded compressor assembly. Includes clutch (19D786), coil (19D798), pulley (19D784) & oil., 2.0L ZETEC- Callout Name:19703
- Replaced By:HU2Z-19703-C
- Callout Name:
- 3S4Z-19V703-AA
Compressor AssyNew loaded compressor assembly. Includes clutch (19D786), coil (19D798), pulley (19D784) & oil., 2.0L SPI- Base Number:19703
- Callout Name:19703
- Replaced By:3S4Z-19V703-AB
- Base Number:
F57Z-9J459-C
CONTROL ASY. (EGR VACUUM REGULATOR)Valve Assy- Callout Name:9J459
- Replaced By:F63Z-9J459-AA
MSRP: $41.00$28.781- Callout Name:
- BRACKET (RELAY MOUNTING)
MSRP: $17.00$11.931 
YS4Z-14A301-KA
Bracket - RelayFor fixing ABS sensor wire at apron RHS- Fit Note:54
- Base Number:14A301
- Callout Name:14A301
MSRP: $18.75$13.731- Fit Note:
- YS4Z-14A301-JA
Bracket - RelayFor fixing ABS sensor wire at apron lhs- Base Number:14A301
- Callout Name:14A301
- Base Number:
- LAMP ASY. (PARKING)
YS4Z-13200-BA
GrilleR.H., Grille assembly - includes emblem, rh/lh turn signal lamps, bulbs & sockets- Location:Passenger Side
- Base Number:13200
- Callout Name:13200
- Location:
-W703277-S436
ScrewL.H., Attaches 13200 grill to vehicle
R.H., Attaches 13200 grill to vehicle- Location:Driver Side
Passenger Side - Require Quantity:4
- Package Quantity:1
- Base Number:W703277-S436
- Callout Name:13200
- Location:
- 2M5Z-13200-AA
Lamp Assy - FlasherR.H., Grille assembly - includes emblem, without turn signal lamps, Mach Audio- Location:Passenger Side
- Base Number:13200
- Callout Name:13200
- Location:
- 2M5Z-13200-BA
Lamp Assy - FlasherR.H., Honeycomb grille pattern - includes emblem and turn signal lamps, SVT- Location:Passenger Side
- Base Number:13200
- Callout Name:13200
MSRP: --$0.00 - Location:
- YS4Z-13200-BACP
Lamp Assy - FlasherR.H., Grille assembly - includes emblem, rh/lh turn signal lamps, bulbs & sockets. This part # represents a qty of 4 grille assemblies., Truckload program- Location:Passenger Side
- Require Quantity:2
- Package Quantity:1
- Callout Name:13200
- Location:
- HEADLAMP ASY.
3S4Z-13008-AA
Headlamp AssyR.H., Complete assembly - Grey bezel, Halogen - non SVT, BEFORE 02/01/2003- Location:Passenger Side
- Callout Name:13008
- Replaced By:3S4Z-13008-AC
- Location:
- 3S4Z-13008-AC
Headlamp AssyR.H., Complete assembly - Grey bezel, Halogen - non SVT, FROM 02/01/2003- Location:Passenger Side
- Base Number:13008
- Callout Name:13008
- Location:
- 3S4Z-13008-AD
Headlamp AssyL.H., Complete assembly - Grey bezel, Halogen - non SVT, FROM 02/01/2003- Location:Driver Side
- Base Number:13008
- Callout Name:13008
- Location:
- 2M5Z-13008-DA
Headlamp AssyR.H., Complete assembly, Halogen - SVT- Location:Passenger Side
- Callout Name:13008
- Location:
- 2M5Z-13008-HC
Headlamp AssyR.H., Complete assembly, High Intensity Discharge- Location:Passenger Side
- Base Number:13008
- Callout Name:13008
- Location:
- 2M5Z-13008-HD
Headlamp AssyL.H., Complete assembly, High Intensity Discharge- Location:Driver Side
- Base Number:13008
- Callout Name:13008
- Location:
- 3S4Z-13008-AB
Headlamp AssyL.H., Complete assembly - Grey bezel, Halogen - non SVT, BEFORE 02/01/2003- Location:Driver Side
- Callout Name:13008
- Replaced By:3S4Z-13008-AD
- Location:
MSRP: $6.50$3.801
1S7Z-10346-BC
ALTERNATOR ASY.Alternator Assy110 amp Reman,Includes Pulley and Regulator;(NOTE: Contains no servicable parts;Refer to oasis message on 6G alternators.), 2.3L 4V DOHC EFI I4- Fit Note:2.3L
- Callout Name:10346
- Replaced By:1S7Z-10346-BE
MSRP: $290.18$177.141- Fit Note:
- CLIP (WIRING)
YL8Z-14197-AA
ClipUsed to retain the 12A648 sensor to the thermostat housing- Base Number:14197
- Callout Name:14197
MSRP: $8.33$5.851 - Base Number:
2M5Z-14197-AA
ClipFits onto the 2M5Z-5A204-BA, exhaust pipe mounting bracket., SVT- Base Number:14197
- Callout Name:14197
- Base Number:
- 3S4Z-14197-BA
ClipMETAL CLIP ON 3S4Z-9D930-AK ENGINE HARNESS, 2.3L- Base Number:14197
- Callout Name:14197
- Base Number:
- MODULE BRAKE (ANTI LOCK CONTROL)
MSRP: $457.17$333.941 - 2M5Z-2B373-CC
RelayECU, ABS with Traction Brakes, Less IVD- Callout Name:2B373
- Replaced By:2M5Z-2B373-CD
- Callout Name:
- 2M5Z-2B373-EA
RelayECU 43 small pins + 4 large, ABS only- Callout Name:2B373
- Replaced By:2M5Z-2B373-FA
- Callout Name:
- SERVO ASY. (SPEED CONTROL)
2M5Z-9C735-AB
Servo Assy - Speed ControlSERVO & BRKT ASY, SPD CONTROL , svt- Base Number:9C735
- Callout Name:9C735
MSRP: $169.10$121.731 - Base Number:
MSRP: $171.58$123.521
- BRACKET (WIRING JUNCTION CONNECTOR)
F77Z-14536-BA
RetainerBracket for 14401 junction at firewall, with 2 openings- Base Number:14536
- Callout Name:14A541
MSRP: $30.83$21.651 - Base Number:
- YS4Z-14A541-BA
RetainerBracket for 14401 junction at firewall, 1 opening- Base Number:14A541
- Callout Name:14A541
- Base Number:
- LAMP ASY. (MARKER)
YS4Z-15A201-AA
Lamp AssyR.H., Includes lens,housing,socket, and bulb- Location:Passenger Side
- Callout Name:15A201
- Replaced By:2S4Z-15A201-AB
MSRP: $18.75$13.731 - Location:
- YS4Z-15A201-BA
Lamp AssyL.H., Includes lens,housing,socket, and bulb- Location:Driver Side
- Callout Name:15A201
- Replaced By:2S4Z-15A201-AA
MSRP: $18.75$13.731 - Location:
- LENS ASY. (FOG LAMP)
YS4Z-15L203-BB
Lens - Fog LampLENS ASY. (FOG LAMP)- Location:Driver Side
- Base Number:15200B
- Callout Name:15L203
MSRP: $54.88$39.501 - Location:
- YS4Z-15L203-BA
Lens - Fog LampLENS ASY. (FOG LAMP)- Location:Passenger Side
- Base Number:15200B
- Callout Name:15L203
- Location:
YS4Z-2B372-AA
SENSOR ASY. (BRAKE MASTER CYLINDER)Sensor AssyFront ABS sensor- Require Quantity:2
- Package Quantity:1
- Base Number:2B372
- Callout Name:2B372
MSRP: $49.82$31.241- Require Quantity:
YS4Z-2C251-AA
CAP RESERVOIR (ANTI LOCK)Switch AssyReservoir fluid level switch- Callout Name:2C251
- Replaced By:8S4Z-2C251-A
MSRP: $106.67$58.561- Callout Name:
- WIRE ASY. (ENGINE CONTROL SENSOR)
3S4Z-12A581-GRT
Wire Assy4 row connector for 9D930., M/T, BEFORE 9/15/03- Fit Note:4 Cyl 2.3L
- Base Number:12A581
- Callout Name:12A581
- Fit Note:
- 3S4Z-12A581-GRY
Wire Assy2 row connector for 9D930., M/T, FROM 9/15/03- Fit Note:4 Cyl 2.3L
- Base Number:12A581
- Callout Name:12A581
- Fit Note:
- 3S4Z-12A581-GSS
Wire Assy4 row connector for 9D930. , A/T, BEFORE 9/15/03- Fit Note:4 Cyl 2.3L
- Base Number:12A581
- Callout Name:12A581
- Fit Note:
- 3S4Z-12A581-GST
Wire Assy2 row connecter for 9D930, A/T, FROM 9/15/03- Fit Note:4 Cyl 2.3L
- Base Number:12A581
- Callout Name:12A581
- Fit Note:
- WIRING ASY. (ENGINE CONTROL SENSOR EXTENSION)
- WIRE ASY. (DASH TO ENGINE GAUGE FEED)
3S4Z-14289-JDH
Wire AssyW/o AdvanceTrac, w/ ABS, w/ speed control- Fit Note:4 Cyl 2.3L
- Base Number:14289
- Callout Name:14289
- Fit Note:
- 3S4Z-14289-JRE
Wire AssyW/o AdvanceTrac, w/o ABS, w/o speed control- Fit Note:4 Cyl 2.3L
- Base Number:14289
- Callout Name:14289
- Fit Note:
- 3S4Z-14289-JSE
Wire AssyW/o AdvanceTrac, w/o ABS, w/ speed control- Fit Note:4 Cyl 2.3L
- Base Number:14289
- Callout Name:14289
- Fit Note:
- CABLE ASY. (BATTERY TO GROUND)
3S4Z-14300-AB
Cable AssyPositive cable, includes 175 amp integrated fuse- Fit Note:4 Cyl 2.3L
- Base Number:14300
- Callout Name:14301
MSRP: $106.96$67.07 - Fit Note:
3S4Z-14401-MGE
WIRING ASY. (MAIN)Wiring Assy - Mainw/MP3 single CD player- Fit Note:4 Cyl 2.3L
- Base Number:14401
- Callout Name:14401
- Fit Note:
- 3S4Z-9C915-AA
VALVE ASY. (FUEL VAPOR STORAGE CANISTER PURGE REGULATOR)Valve AssyValve and bracket. Valve has id of 3U5A-9G641-BA, PZEV- Fit Note:4 Cyl 2.3L
- Callout Name:9C915
MSRP: --$0.00 - Fit Note:
- WIRING ASY. (FUEL CHARGING)
3S4Z-9D930-AA
Wire Assy4 row connector for the 12A581., BEFORE 9-15-03- Fit Note:4 Cyl 2.3L
- Base Number:9D930
- Callout Name:9D930
- Fit Note:
- 3S4Z-9D930-AN
Wire Assy2 row connector for the 12A581., FROM 9-15-03- Fit Note:4 Cyl 2.3L
- Base Number:9D930
- Callout Name:9D930
- Fit Note:
- WIRING ASY. (HORN JUMPER)
YS4Z-14324-DA
WIRE ASY. (ENGINE TO FRAME)Strap Assy - EarthGround wire asy, Engine-to-frame, 11", copper stranded wire w/ black insulation- Base Number:14324
- Callout Name:14324
- Base Number:
- MOTOR ASY. (WINDSHIELD WIPER)
YS4Z-17508-AB
Motor Assy - WiperRear wiper motor, (61) & (58)- Callout Name:17508
- Replaced By:7S4Z-17508-A
- Callout Name:
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 2003 Ford Focus parts. Parts like Wiring System - Engine Compartment Wiring are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.3L. Transmission: 4AT 4F27E.