Alternative part detail / DB7
Rear oxygen / lambda sensor (catalyst monitor)
Public compatibility, sourcing and modification information for this alternative part.
Reported compatibility
- i6
- No
- V12
- Yes
Part numbers
- Original part number
- 39-85392
- Alternative part number
- OZA381 - D3
Modification required
What needs to change
Use the supplier link for product details.
Catalogue research, 14 September 2026: NGK historical sensor family research supports checking the OZA381-D3 reference against current application data; historic multiple prices cannot be assigned reliably.
Sources:
https://www.ngkpartfinder.co.uk/assets/Uploads/NGK-Lambda-Sensors-Catalogue-2022.pdf
Second research pass, 14 September 2026: Search outcome: NGK historical sensor family research supports checking the OZA381-D3 reference against current application data; historic multiple prices cannot be assigned reliably.
Confirm the original part, vehicle specification and installation requirements before ordering.
Sourcing information
- Manufacturer / supplier
- Jaguar
- Indicative cost
- Request current supplier price
Information review
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Owner fitment reports
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- Detailed installation and modification comments
- The model, year and variant attached to each report
- Supporting fitment photographs when supplied