Genuine 20441EZ40A Nissan Titan XD Diesel Exhaust Fluid DEF Urea Pump OEM

The Genuine Nissan 20441EZ40A Diesel Exhaust Fluid (DEF) Urea Pump is an OEM replacement part engineered specifically for the Nissan Titan XD equipped with the 5.0L V8 diesel engine. This factory-original component is part of the vehicle's Selective Catalytic Reduction (SCR) emission reduction system, responsible for transferring diesel exhaust fluid from the urea storage tank to the exhaust system to neutralize harmful nitrogen oxide (NOx) emissions.

As a genuine Nissan part, this DEF pump is manufactured to the exact same specifications as the unit installed at the factory, ensuring a precise fit and reliable, long-term operation. Using an OEM replacement eliminates the guesswork associated with aftermarket alternatives and helps maintain the integrity of your vehicle's emissions system.

Key Features:

• Genuine OEM Nissan part — manufactured to factory specifications
• Designed for the Titan 5.0L V8 diesel emission reduction system
• Efficiently transfers DEF fluid from the urea tank to the exhaust system
• Helps maintain compliance with federal NOx emission standards
• Durable construction engineered for demanding operating conditions
• Direct OEM replacement — no modification required
• Backed by Nissan's manufacturer warranty
• Included with the urea reservoir tank assembly

OEM Part Number: 20441-EZ40A | Supersession: 20441EZ40A. Keeping your diesel Titan's DEF system functioning properly is critical to passing emissions inspections and avoiding check engine warnings related to the SCR system.