Tax calculated at checkout · USD · Free 60-day returns
Match the number printed on your old part or in the vehicle service manual — not the part name.
5WK9 6657B A0091530728 5WK96657B
A0091530728 Nox Sensor 5WK9 6657B Detroit MB Freightliner. Professional-grade nox sensor from SHR Autoparts. IATF16949 certified manufacturer, 10+ years experience, serving distributors in 50+ countries.
| Product Type | NOx Sensor |
| Condition | New |
| Warranty | 12 months |
| Certification | IATF16949, ISO 9001 |
SKU: 5424221652465
Need bulk pricing? Request a Quote for volume discounts and OEM customization.
| ISO 9001SKU | 5424221652465Need bulk pricing |
|---|
| SKU | 5424221652465 |
|---|---|
| Part number | 5WK9 6657B |
| Part number | A0091530728 |
| Brand | Freightliner |
| Category | Mercedes-Benz |
| Brand / platform | Part number(s) |
|---|---|
| Freightliner | 5WK9 6657B · A0091530728 · 5424221652465 |
Every part ships with a 12-month warranty from the date of delivery. If the part fails under normal use within that window, we replace it or refund the purchase price — your choice.
| Destination | Carrier | Delivery | Cost |
|---|---|---|---|
| United States (cont.) | UPS / USPS | 2–4 biz days | Free $99+ · $6.90 |
| European Union | DHL / DPD | 3–6 biz days | Free $99+ · €8.90 |
| UK / Switzerland | DHL | 3–5 biz days | Free $99+ · £8.00 |
| Rest of world | DHL Express | 5–10 biz days | Calculated at checkout |
60-day no-fuss returns. Order a return label from your account, drop the part at any carrier drop-off, and we refund within 5 business days of receiving it. Wrong-fit returns are always free.
Returns policy