Free shipping on orders over $50. Estimated delivery: 3-7 business days.
12-month manufacturer warranty against defects.
Maxfavor 4Pcs 234-4403*2 234-4071*2 Upstream Downstream O2 Oxygen Sensor Compatible with 1999-2006 Ford Explorer Sport Trac/Ranger 4.0L, 2001-2005 Mazda B4000 4.0L, 1999-2002 Mercury Mountaineer 4.0L
SKU: B4OS203
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$46.08
$51.20
$46.08
Replacement for :
¡ô for Oxygen Sensor 1999-2002 Ford Explorer 4.0L Upstream Downstream
¡ô for Oxygen Sensor 2001-2003 Ford Explorer Sport Trac 4.0L Upstream Downstream
¡ô for Oxygen Sensor 2001-2006 Ford Ranger 4.0L Upstream Downstream
¡ô for Oxygen Sensor 2001-2006 Mazda B4000 4.0L Upstream Downstream
¡ô for Oxygen Sensor 1999-2002 Mercury Mountaineer 4.0L Upstream Downstream
No information available.
| Year ↕ | Make ↕ | Model ↕ | Trim ↕ | Engine ↕ | Compatibility Notes |
|---|---|---|---|---|---|
| 2006 | Ford | Ranger | FX4 Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | FX4 Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | STX Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | STX Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | STX Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | Sport Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | Sport Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | Sport Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | XL Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | XL Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | XLT Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | XLT Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Ford | Ranger | XLT Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Mazda | B4000 | Base Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2006 | Mazda | B4000 | SE Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | Edge Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | Edge Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | Edge Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | FX4 Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | XL Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | XL Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | XLT Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | XLT Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Ford | Ranger | XLT Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Mazda | B4000 | Base Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2005 | Mazda | B4000 | SE Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | Edge Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | Edge Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | Edge Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | Tremor Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | Tremor Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | XLT Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | XLT Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Ford | Ranger | XLT Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Mazda | B4000 | Base Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Mazda | B4000 | DS Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Mazda | B4000 | SE Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2004 | Mazda | B4000 | SE Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Explorer Sport Trac | XLS Crew Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Explorer Sport Trac | XLT Crew Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | Edge Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | Edge Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | Edge Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | XL Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | XL Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | XL Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | XLT Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | XLT Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Ford | Ranger | XLT Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Mazda | B4000 | Base Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Mazda | B4000 | DS Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2003 | Mazda | B4000 | SE Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Explorer | Eddie Bauer Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Explorer | Limited Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Explorer | Postal Stripped Chassis | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Explorer | XLS Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Explorer | XLT Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Explorer Sport Trac | XL Crew Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | Edge Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | Edge Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | Edge Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | XL Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | XL Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | XL Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | XLT Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | XLT Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Ford | Ranger | XLT Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Mazda | B4000 | Base Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Mazda | B4000 | DS Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2002 | Mercury | Mountaineer | Base Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Explorer | Eddie Bauer Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Explorer | Limited Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Explorer | Postal Stripped Chassis | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Explorer | XL Fleet Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Explorer | XLS Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Explorer | XLT Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Explorer Sport Trac | Base Crew Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | Edge Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | Edge Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | Edge Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | XL Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | XL Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | XL Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | XLT Extended Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | XLT Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Ford | Ranger | XLT Standard Cab Pickup 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Mazda | B4000 | DS Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Mazda | B4000 | SE Extended Cab Pickup 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2001 | Mercury | Mountaineer | Base Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | Eddie Bauer Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | Limited Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | Postal Stripped Chassis | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | Sport Sport Utility 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | Sport Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | XL Fleet Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | XLS Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Ford | Explorer | XLT Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 2000 | Mercury | Mountaineer | Base Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Ford | Explorer | Eddie Bauer Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Ford | Explorer | Limited Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Ford | Explorer | Sport Sport Utility 2-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Ford | Explorer | Sport Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Ford | Explorer | XLS Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Ford | Explorer | XL Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Ford | Explorer | XLT Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated | |
| 1999 | Mercury | Mountaineer | Base Sport Utility 4-Door | 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated |
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