Fuel Injector 504164563 0432193447 for Iveco F5AE9454J F5AE9454K F5AE9454L A002 Engine CASE Loader 21E Series 3
This fuel injector is engineered as a direct replacement for the Iveco F5AE9454J F5AE9454K F5AE9454L A002 Engine CASE Loader 21E Series 3. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Fuel Injector 504164563 0432193447 for Iveco F5AE9454J F5AE9454K F5AE9454L A002 Engine CASE Loader 21E Series 3 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 genuine and aftermarket parts, they should not be mixed. Replacing the entire set of injectors helps avoid potential issues. Always use clean oil. Replacement Part Number: 504164563, 504164563R, 504164563C, 0432193447, 0 432 193 447 Nozzle Number: DSLA138P5531 Fit for Iveco FPT Engine: F5AE9454J A002, F5AE9454K A002, F5AE9454L A002 Application: Fit for CASE Loader: 21E SERIES 3 | See product specifications |
Replaces OEM Part Numbers
504164563 • 504164563R • 504164563C • 0432193447 • Nozzle • Number • DSLA138P5531 • Iveco • Engine • F5AE9454J • F5AE9454K • F5AE9454L
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injectors & nozzle may be the cause:
- Rough idle or misfire — Uneven fuel delivery from a worn injector causes the engine to shake at idle. On engines, this is often accompanied by a knocking sound under load.
- Black or white exhaust smoke — Black smoke means excess fuel; white smoke indicates incomplete combustion. Both point to injector spray pattern degradation.
- Loss of engine power — A single failing injector reduces cylinder output. Multi-cylinder engines lose noticeable power when one injector flows less than the rest.
- Increased fuel consumption — Poor atomization means the engine burns more fuel to produce the same power. Monitor your fuel burn rate as an early warning sign.
- Hard starting or no start — If the injector doesn’t deliver fuel on cranking, the cylinder won’t fire. This is especially common in cold weather with worn nozzles.
- Fuel in engine oil (dilution) — Fuel leaking past the injector seat seal contaminates the crankcase oil. If the oil level rises or smells of diesel, inspect the injectors immediately.
Replace as a Set
Replace all injectors as a set whenever possible. On engines, mixing old and new injectors creates uneven fuel delivery — the new injectors compensate for the worn ones, shortening their life. When installing, use new copper sealing washers and torque to the specification in the service manual. After installation, run the engine at idle for 5 minutes to bleed air from the fuel system, then check for leaks at each injector connection before putting the machine under load.
Frequently Asked Questions
Can I cross-reference 504164563 with 504164563R?
Yes. Both 504164563 and 504164563R are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
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