Fuel Injector 8944548150 105118-4421 105118-4420 for Isuzu Engine 4JF1 Condition: New Aftermarket Part Note: We recommend replacing the entire set of fuel injectors to ensure the engine's optimal performance. Due to differences in oil output and atomization concentration between and aftermarket parts, they should not be mixed. Replacing the entire set of injectors helps avoid potential issues.Replacement Part Number: 8944548150, 105118-4421, 1051184421, 105118-4420, 1051184420, 8-94454815-0 Fit For Isuzu Engine: 4JF1 Specification:Matching DLLA155PN034 Nozzle