Looking for in-stock aftermarket parts to modify or upgrade your 2003 Ford Focus with bearings? At Tunersports.com we carry a huge selection of the top name brand performance bearing parts and accessories.

IN STOCK MB5442SIKing Ford/Mazda Duratec 2.0/2.3 DOHC Silicon Bi-Metal Aluminum Main Bearing Set - Size STD 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $89.71 |
IN STOCK - DROPSHIPS MB5442SI0.25King Ford/Mazda Duratec 2.0/2.3 DOHC (Size 0.25) Silicon Bi-Metal Aluminum Main Bearing Set 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $96.31 |
IN STOCK - DROPSHIPS MB5442SI0.5King Ford/Mazda Duratec 2.0/2.3 DOHC (Size 0.50) Silicon Bi-Metal Aluminum Main Bearing Set 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $96.31 |
IN STOCK - DROPSHIPS MB5442SI0.75King Ford/Mazda Duratec 2.0/2.3 DOHC (Size 0.75) Silicon Bi-Metal Aluminum Main Bearing Set 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $100.19 |
IN STOCK MB5442XP.026King Engine Bearings Ford 2.0 2.3L EcoBoost Crankshaft Main Bearing Set (Set of 5) 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $112.59 |
IN STOCK - DROPSHIPS MB5558SI0.25King Engine Bearings Ford R6A/114Ci 1.9L/121Ci 2.0L (Size +0.25mm) Main Bearing Set 2000-2004 Ford Focus LX / SE / ZTS / ZX3 2002-2004 Ford Focus SVT / ZTW / ZX5 $59.10 |
IN STOCK - DROPSHIPS MB5558SI1.0King Engine Bearings Ford R6A/114Ci 1.9L/121Ci 2.0L (Size +1.0mm) Main Bearing Set 2000-2004 Ford Focus LX / SE / ZTS / ZX3 2002-2004 Ford Focus SVT / ZTW / ZX5 $59.10 |

IN STOCK - DROPSHIPS MB5008SIKing Engine Bearings Performance Ford ZETEC 1.6L/1.8L/2.0L Main Race Bearing Set 2000-2004 Ford Focus LX / SE / ZTS / ZX3 2002-2004 Ford Focus SVT / ZTW / ZX5 $60.01 |
IN STOCK - DROPSHIPS MB5442SI1.0King Engine Bearings Ford/Mazda 2.0L/2.3L Duratec (Size +1.0) Performance Main Bearing Set 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $100.19 |
IN STOCK - LOW MB5442XP0.25King 07-09 Mazdaspeed 3 L3-VDT MZR DISI (t) Duratec High Performance Main Bearing Set - Size +0.25mm 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $114.95 |
IN STOCK MB5442XPSTDXKing 07-09 Mazdaspeed 3 L3-VDT MZR DISI (t) Duratec High Performance Main Bearing Set - Size STDX 2003-2004 Ford Focus LX / SE / ZTS / ZTW 2003-2006 Ford Focus ZX3 / ZX5 $114.95 |

IN STOCK - DROPSHIPS CR4150SIKing Engine Bearings Toyota Ford ZETEC 1.6L/1.8L/2.0L Performance Rod Bearing Set 2000-2004 Ford Focus LX / SE / ZTS / ZX3 2002-2004 Ford Focus SVT / ZTW / ZX5 $65.92 |
IN STOCK CR4507XPKing Engine Bearings Mazda L3-VDT MZR Performance Rod Bearing Set - Size STD 2003-2004 Ford Focus LX / SE / ZTS / ZTW / ZX3 / ZX5 $87.81 |

IN STOCK - DROPSHIPS CR4507SI0.25King Mazda MZR 2.3L 16V / Ford Duratec 2.3L 16V (Size .25) Connecting Rod Bearing Set (Set of 8) 2003-2004 Ford Focus LX / SE / ZTS / ZTW / ZX3 / ZX5 $52.28 |
IN STOCK - DROPSHIPS CR4507SI0.75King Mazda MZR 2.3L 16v / Ford Duratec 2.3L 16v (Size +.75) Connecting Rod Bearing Set (Set of 4) 2003-2004 Ford Focus LX / SE / ZTS / ZTW / ZX3 / ZX5 $52.28 |
IN STOCK CR4507XP.026King Mazda MZR 2.3L 16V / Ford Duratec 2.3L 16V (Size .026) Connecting Rod Bearings (Set of 4) 2003-2004 Ford Focus LX / SE / ZTS / ZTW / ZX3 / ZX5 $94.71 |