Upstream & Downstream Oxygen Lambda Sensor 234-9075 234-4264 for Land Rover LR3 Range Rover Sport 2007-2009

Upgrade your Land Rover LR3 or Range Rover Sport with a precise Upstream & Downstream Oxygen Lambda Sensor set, covering both banks for 2007–2009 models. This complete kit includes the upstream and downstream sensors (part numbers 234-9075 and 234-4264) to deliver accurate air-fuel readings, optimized combustion, and cleaner exhaust. Designed as a direct-fit replacement with heated, four-wire O2 sensors, it helps your ECU maintain optimal fuel mixture, improves idle stability, and can help restore fuel economy and reduce emissions. OEM references 234-9075 and 234-4264 ensure compatibility with LR3 2005–2009 and Range Rover Sport 2006–2009. Origin: Mainland China.

Benefits & Tips

• Restore precise fuel control by providing reliable readings from both upstream and downstream sensors, helping the engine run smoothly and efficiently.
• Replace all four sensors to prevent imbalanced data that could trigger fault codes or uneven performance during idle, acceleration, or cruising.
• Before ordering, verify part numbers and original sensors for a guaranteed fit; if in doubt, share the part numbers or original photos for confirmation (we typically respond within 24 hours).

Product specifications

• OEM numbers: Upstream 234-9075; Downstream 234-4264
• Sensor type: Heated, 4-wire oxygen sensors (O2 sensors) for fast warm-up and accurate readings
• Compatibility:
  • Upstream (234-9075): Land Rover LR3 2005–2009; Range Rover Sport 2006–2009
  • Downstream (234-4264): Land Rover LR3 2007–2009; Range Rover Sport 2007–2009
• Package contents: 4 sensors total (two upstream, two downstream)
• Origin: Mainland China
• Notes: 4-wire connectors designed for straightforward installation; built as a robust replacement to maintain proper monitoring of exhaust gases

Package includes:

• 1 Set (234-4264 Downstream Left; 234-4264 Downstream Right; 234-9075 Upstream Left; 234-9075 Upstream Right) — 4 sensors in total
• Or 1PC 234-4264 Downstream
• Or 1PC 234-9075 Upstream

Warnings/Reminders

NOTE: Please check the picture and the part number carefully to ensure you bought the right part for your car. If you cannot determine which item fits your car, please send the Part Number or the Original product photos to us to confirm before order. The only way to be 100% sure the part will fit your vehicle is to check your original part; we will verify for you and reply within 24 hours.

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 service are core to our process: since 2002, intercyprus.com has been a reliable source for quality automotive parts.