Bosch 62381 Fuel Injector

Bosch Fuel Injector for Mazda MPFI Applications

Bosch Fuel Injector 62381 is a new MPFI fuel injector for select Mazda vehicles with port or multi-point fuel injection. It is built for direct replacement service on the Mazda 3, Mazda 3 Sport, Mazda 5, Mazda 6, and CX-7 across the listed model years.

The Bosch Fuel Injector line focuses on service parts for gasoline direct-injection and fuel system maintenance needs, including injector service after removal from the cylinder head. For this application, Bosch 62381 provides a replacement injector with the correct MPFI configuration and included fuel injector O-rings for sealing support.

Key Features

• Bosch part number 62381
• New fuel injector for MPFI (port or multi-point fuel injection) systems
• Fuel injector O-rings included
• Direct-fit service part for select Mazda applications
• Cross-reference: L50113250

Detailed Description

Bosch 62381 is a replacement fuel injector for Mazda engines using MPFI fuel delivery. It is listed for 2010-2013 Mazda 3, 2010-2013 Mazda 3 Sport, 2012-2015 Mazda 5, 2009-2013 Mazda 6, and 2010-2012 Mazda CX-7. If you are searching for a Bosch fuel injector for Mazda 3 or a Bosch fuel injector for Mazda CX-7, this part matches the confirmed fitment data for those vehicles.

This injector is intended for service work where the original injector has been removed and replacement is needed to restore proper fuel delivery. Bosch 62381 also appears under part number 62381 in catalog searches, making it easier to verify the correct injector for Mazda 6 and Mazda 5 fuel system repairs.

What It Helps Address

• Hard starting caused by a worn or inconsistent injector
• Rough idle from uneven fuel delivery
• Misfire conditions related to injector performance
• Fuel trim issues tied to poor atomization or flow
• Fuel seepage at the injector seal area when service replacement is needed

Installation Notes and Tips

Confirm engine code and injector style before ordering. This part is listed for MPFI applications only, so it should be matched to the vehicle’s original fuel injection system. Replace injector seals during service, since injector O-rings are single-use sealing components. Follow factory procedures for fuel pressure relief, injector removal, and leak checks after installation.

Quality Assurance

Bosch is a recognized supplier of fuel injection components and service parts. Bosch 62381 is a new replacement injector built for the listed Mazda applications and packaged with the sealing components identified in the product data.