The FSR1848721 is a fuel injector designed for the Navistar G2.9 diesel engine, commonly used in International® trucks and IC Bus® school buses. This injector plays a critical role in delivering precise amounts of fuel into the combustion chamber for optimal engine performance.

Key Features:

• Compatible with Navistar G2.9 (2.9L) diesel engines

• OEM-quality replacement part (meets or exceeds manufacturer specifications)

• Precision-engineered for efficient fuel delivery and combustion

• Durable construction for long service life

Common Applications:

• International® DuraStar® trucks

• IC Bus® CE Series school buses

• Other medium-duty vehicles with the Navistar 2.9L engine

Symptoms of a Failing Injector:

• Hard starting or misfires

• Poor fuel economy

• Excessive smoke (black or white)

• Rough idling or loss of power

Replacement Tips:

• Always replace injectors in sets if multiple are failing.

• Ensure proper torque specs during installation.

• Perform a fuel system bleed after replacement.

• Consider professional diagnostics if unsure about injector failure.