VolvoEngine Parts

3687334 — Nitrogen Nox Sensor 2894941 3687334 For Cummins Engine Isx15 Volvo Truck Vnl Vt

This Nitrogen Oxide (NOx) sensor is an essential part of the engine's emissions control system, measuring the amount of NOx in the exhaust gases. It is engineered to provide accurate readings under harsh exhaust conditions, ensuring the engine's after-treatment system functions correctly, unlike a faulty sensor that provides erroneous data. Operators might observe the check engine light illuminating, a reduction in engine power, or increased exhaust emissions when this sensor is not functioning properly.

Nitrogen Nox Sensor 2894941 3687334 For Cummins Engine Isx15 Volvo Truck Vnl Vt – Part No 3687334 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeNOx Sensor
MaterialCeramic, Stainless Steel
ApplicationExhaust Emissions Control System
Service LifeReplace as indicated by diagnostic codes or performance issues
CompatibilityCummins ISX15, Volvo VNL, VT
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing NOx sensor is typically the illumination of the Malfunction Indicator Lamp (MIL) or check engine light. If ignored, the engine's performance may degrade, and exhaust emissions will likely increase beyond regulatory limits. Continued operation with a faulty NOx sensor can lead to costly emissions-related failures and potential regulatory non-compliance.

Installation Tip

Carefully clean the threads of the exhaust port before screwing in the new sensor to ensure proper sealing and prevent cross-threading. Do not attempt to repair a damaged sensor; replacement is the only reliable solution.

Service Note

When replacing a NOx sensor, it is advisable to inspect the Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) system components for proper operation.