Cross reference › Ntk › 21506
NTK 21506 NTK OE Type Oxygen Sensor — verified interchange numbers, vehicle fitment and specifications. Free lookup, no login.
| Brand | Part number | Relation | |
|---|---|---|---|
| DELPHI | ES20018 | equivalent | |
| DENSO | 234-4006 | equivalent | |
| DENSO | 2344006 | equivalent | |
| DENSOAUTOPARTS | 234-4006 | equivalent |
Stop looking these up by hand. Orderflow reads your customers' emails & PDFs, finds the right part in your own catalogue, and drafts the quote — you just approve.
Try Orderflow free →| Make | Model | Years | Engine |
|---|---|---|---|
| Oldsmobile | Aurora | 1995 | |
| Cadillac | Seville | 1993–1995 | |
| Cadillac | Eldorado | 1993–1995 | |
| Cadillac | DeVille | 1994–1995 | |
| Cadillac | Allante | 1993 |
Orderflow's verified cross-reference lists 4 equivalent part numbers for the Ntk 21506, including DELPHI ES20018. Always confirm against the manufacturer spec before ordering.
This part has 5 verified vehicle applications on record. See the fitment table on this page for makes, models and years.
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Found a wrong match? Report it. Data is a cross-reference guide — always verify against the manufacturer specification for your application.