Bosch 62378 Fuel Injector

Bosch Fuel Injector for Nissan V6 Applications

Bosch Fuel Injector Part Number 62378 is a new MPFI fuel injector for select Nissan V6 applications. It is built for direct replacement service on Nissan Quest, Maxima, Altima, and Murano models listed below, with fitment that matches the original port fuel injection setup.

Key Features

• Bosch Fuel Injector, Part Number 62378
• MPFI (Port or Multi-Point Fuel Injection) design
• Includes 2 fuel injector O-rings
• New injector for service replacement
• Cross-reference: 166007Y00A

Product Details

Bosch 62378 is part of the Bosch Fuel Injector (New) line, focused on direct replacement fuel injection service for gasoline engines. Bosch notes that its direct-injection and fuel system service solutions support injector maintenance after removal from the cylinder head, and that injector seals should be replaced after service because they are single-use components. This injector is specified for MPFI applications and is listed for Nissan Quest, Maxima, Altima, and Murano vehicles in the model years shown.

Compatible With: Fits 2004-2009 Nissan Quest, N/A; Fits 2004-2008 Nissan Maxima, N/A; Fits 2004-2006 Nissan Altima, N/A; Fits 2004 Nissan Murano, N/A, to 09/2003; Fits 2003 Nissan Murano, N/A, from 07/2003. Bosch 62378 is a direct-fit service part for these Nissan fuel injection applications and is identified for use where the original injector configuration matches the listed fitment.

Common Issues This Part Can Address

• Fuel injector leakage at the seal area
• Rough idle caused by a worn or restricted injector
• Hard starting related to inconsistent fuel delivery
• Misfire concerns tied to injector performance
• Fuel trim imbalance from an aging injector

Installation Notes and Tips

Replace injector seals during service, since the seals are single-use components. Confirm the engine application and model-year breakpoints before installation, especially on 2003-2004 Murano vehicles with the listed production-date notes. Clean the injector bore and inspect the fuel rail and intake sealing surfaces before reassembly.

Quality Assurance

Bosch is a recognized supplier of gasoline fuel injection components, and Part Number 62378 is built as a new replacement injector for the listed Nissan applications. Use the fitment details above to verify the correct application before ordering or installation.