Oxygen Sensor, Air Fuel Ratio Lambda for Land Rover LR3 Range Rover Sport Discovery
Main Description
Upgrade or replace your Land Rover oxygen sensor with this IWOKPHD Oxygen Sensor, Air Fuel Ratio Lambda, designed for downstream left positions across a range of LR3, Range Rover, Discovery III, and Range Rover Sport models. This sensor helps maintain the correct air–fuel balance by monitoring exhaust oxygen levels, improving engine efficiency, reducing emissions, and contributing to smoother idle and better catalyst performance over time.
It features a durable piezoelectric sensing element with a built‑in heating function for fast warm‑up to operating temperature, ensuring accurate readings from cold starts. This is a direct‑fit replacement that aligns with the OEM family numbers (including 234-4266) and related part variations, delivering stable installation and reliable signal for consistent performance. Please verify fitment with the product image before ordering; if you’re unsure, contact us for confirmation to avoid issues with refunds after a wrong order.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Trust and reliability are built into every purchase at InterCyprus. Since 2002, we’ve focused on providing quality parts and dependable service for drivers around the world.
Benefits & Tips
- Precise downstream sensor replacement helps restore accurate air–fuel ratio, promoting smoother power delivery and better fuel economy.
- Fast warm‑up with built‑in heating minimizes cold‑start delay, leading to quicker catalytic monitoring and reduced emissions during initial drive.
- Direct fit for several Land Rover configurations (LR3, Range Rover, Range Rover Sport, Discovery III) ensures reliable signal without extensive wiring alterations.
Product Specifications
- Brand Name: IWOKPHD
- Part Numbers / OEM references: MHK500870, 234-4266, 2344266, 5S9729, MHK500910, 2132933, SG1708, SG1718, OS2545, 753618, 13116, 13131, 13509, 15109, 25646, SU11182
- Sensor Type: Piezoelectric
- Heating: Yes
- Origin: Mainland China
- Measuring Range: Downstream Rear Probe Air Fuel Ratio Lambda Oxygen (O2) Sensor
- Fitment (selected models / years):
- LAND ROVER LR3 4.0L V6 2005-2006 Downstream Left
- LAND ROVER LR3 4.4L V8 2005-2006 Downstream Left
- LAND ROVER RANGE ROVER 4.2L V8 Supercharged 2006-2009 Downstream (Exc. North American Vehicle)
- LAND ROVER RANGE ROVER 4.4L V8 2006-2009 Downstream (Exc. North American Vehicle)
- LAND ROVER RANGE ROVER SPORT 4.2L V8 Supercharged 2006 Downstream Left
- LAND ROVER RANGE ROVER SPORT 4.4L V8 2006 Downstream Left
- Discovery III (L319) 4.0/4.0 V6 4x4, 2004-2009 / 2005-2009 variants listed in product notes
- Notes: Please check the product picture and fitment before ordering. If you are not sure, contact us before you order; otherwise refunds may not be issued for incorrect orders.
Package Includes
- 1 x Oxygen Sensor
Warnings / Reminders
- Ensure compatibility with your exact vehicle variant by comparing fitment details and OEM numbers provided.
- Contact us if unsure about fitment to avoid non-refundable incorrect orders.
- Shipping and handling: All items are dispatched within 2 working days after payment is confirmed. Import duties, taxes, and charges are not included in the item price or shipping charges and are the buyer’s responsibility.
- Return policy: We will replace malfunctioning items received; items should be returned in the original packaging.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Providing quality and trusted service since 2002 at intercyprus.com