4X Novo Oxygen O2 Sensors – Upstream & Downstream (OEM Fit)

Para Ford F-150 4.2L / 4.6L / 5.4L (and many other Ford/Lincoln/Mercury/Mazda/Jaguar models)

Overview

Set of 4 OEM-style oxygen (O2) sensors – 2 upstream (pre-catalytic) and 2 downstream (post-catalytic). Direct-replacement sensors built to original standards, 100% factory tested and ready to install. Manufacturer claims up to 15% increase in performance and energy (manufacturer specification).

• Brand: ACS
• Fitment type: Direct replacement, plug-and-play
• Connector: Black, male
• Number of sensors: 4 (2 upstream 2 downstream)
• Sensor type: Zirconia oxygen sensor

Features

• High-performance operation
• Corrosion-resistant stainless steel construction
• PTFE filter to block contaminants
• Refined zirconia sensing element for improved response
• Designed to maximize engine performance and fuel efficiency while reducing emissions
• Helps ensure smog/test compliance
• Ready to use – direct replacement for OEM sensors
• Built to strict quality control standards – 100% factory tested
• Lifetime manufacturer warranty

Included in the Package

• 2 × Upstream (front) O2 sensors
• 2 × Downstream (rear) O2 sensors

(Shown as 4X Upstream Downstream O2 Oxygen Sensor in original listing.)

Part Numbers / Interchange Numbers

Manufacturer Part Numbers:

• 234-4001, 234-4046, 234-4070, 234-4071, 234-4127, 234-4401

Interchange / Cross Reference:

• ES20014, ES20040, ES20064, ES20104, ES20151, ES20316, ES20318
• 234-4001 / 2344001, 234-4046 / 2344046, 234-4070 / 2344070, 234-4071 / 2344071, 234-4127 / 2344127, 234-4401 / 2344401

Superseded part numbers (reference):

• 234-4402, 234-4403, 234-4609, 234-4610, 234-4870

Compatible Vehicles (for reference – verify part numbers)

Please confirm the part numbers match your original sensor before purchasing.

Selected compatible vehicles include (engines and years as indicated):

• Ford

  • Escort 2.0L L4 DOHC (2000)
  • Escape 3.0L V6 (2001-2008)
  • Five Hundred 3.0L V6 (2005-2007)
  • Freestyle 3.0L V6 (2005-2007)
  • Taurus 3.0L V6 / V6 DOHC / V6 OHV (2001-2007)
  • Mustang 3.8L / 3.9L / 4.0L V6; 4.6L V8 (SOHC/DOHC/Supercharged); 5.4L V8 Supercharged (2000-2010 various)
  • Thunderbird 3.9L V8 (2002-2005)
  • Explorer 4.0L V6 / 4.6L V8 (2002-2003)
  • E-150, E-250 (4.2L V6, 4.6L V8; 2000-2002)
  • F-150 (4.2L V6, 4.6L V8, 5.4L V8; 1997-2008 – see engine/year details)
  • F-150 Heritage (4.2L / 4.6L V8 – 2004)
  • Expedition 4.6L / 5.4L V8 (2000-2004)

• Lincoln

  • LS 3.0L V6 / 3.9L V8 (2000-2006)
  • Aviator 4.6L V8 (2003-2005)
  • Continental 4.6L V8 (2000-2002)
  • Blackwood 5.4L V8 (2002)
  • Navigator 5.4L V8 (2000, 2003-2004)

• Mercury

  • Mariner 3.0L V6 (2005-2008)
  • Montego 3.0L V6 (2005-2007)
  • Sable 3.0L V6 DOHC / OHV (2001-2005)
  • Mountaineer 4.0L V6 / 4.6L V8 (2002-2003)

• Mazda

  • Tribute 3.0L V6 (2001-2006, 2008)

• Jaguar

  • S-Type 3.0L V6 / 4.0L V8 (2000-2002)

Note: The above is a consolidated compatibility list from the original product data. Use it as a reference and always verify liftment by matching OE/part numbers and connector type.

Notes & Installation

• Professional installation recommended. Buyer assumes all risk for installation and usage.
• Make sure the part numbers match the part you are replacing and that the physical connector and thread match your stock sensor.
• The sensors must be returned unused and in original packaging for exchanges; otherwise a restocking fee may apply.

Shipping, Payment & Returns (summary)

Shipping

• Items are typically shipped the same business day after payment clears.
• Carriers: FedEx, USPS, UPS (depending on shipment origin).
• Two warehouses (California and Kentucky) – the closest warehouse normally ships the order.

Payment

• PayPal accepted. Orders ship after transaction clears.
• We ship only to confirmed addresses. Unpaid item cases may be filed after 5 business days.

Returns / Exchange

• Exchanges issued for defective or incorrect items only.
• Defective/damaged items reported within 30 days may be returned for a replacement or full refund.
• Returned items must be in brand new condition and in original packaging; otherwise a 15% restocking fee may apply.
• We will not send replacements prior to receiving the returned item.

Warranty & Support

• Lifetime manufacturer warranty (as listed).
• 100% customer satisfaction is the goal – contact us if you have any issue. We request contacting us before leaving neutral/negative feedback so we can resolve your concerns.

About the Seller

We are a professional auto parts manufacturer and supplier. Please check our store for additional car and truck parts.

If satisfied with your purchase, positive feedback is appreciated. If you experience any problems, please contact us so we can assist.

You might also be interested in these:

Launch X431 PRO 5 Scan Tool with J2534 Tool Bi-Directional Diagnostic Scanner and more

Set of 8 Ignition Coils DG508 for 2000-2004 Ford F-150 and Expedition 4.6L/5.4L

Set of 8 OEM Ignition Coils UF413 with Iridium Spark Plugs and Wires for Chevy/GMC 5.3L and 6.2L

Set of 8 Ignition Coils DG508 and Iridium Spark Plugs SP479 for Ford F-150 4.6L/5.4L