Fuel Injector JDE40503 for Jaguar F-Pace XE XF 2017-2019
This fuel injector is engineered as a direct replacement for the Jaguar F-Pace XE XF 2017-2019. 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 JDE40503 0445111019 for Jaguar F | Pace XE XF 2017-2019 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. Replacement Part Number:JDE40503, LR125327, 0445111020, 0445111019 Applications:Fit for following models:2019 Jaguar F-Pace Premium, Prestige, R-Sport 2.0L L42019 Jaguar XE Base, Landmark Edition, Premium, Prestige, R-Sport 2.0L L42019 Jaguar XF Premium, Prestige 2.0L L42018 Jaguar F-Pace Premium, Prestige, R-Sport 2.0L L42018 Jaguar XE Base, Premium, Prestige, R-Sport 2.0L L42018 Jaguar XF Base, Premium, Prestige, R-Sport 2.0L L42017 Jaguar F-Pace Base, Premium, Prestige, R-Sport 2.0L L42017 Jaguar XE Base, Premium, Prestige, R-Sport 2.0L L42017 Jaguar XF Base, Premium, Prestige, R-Sport 2.0L L4 |
Replaces OEM Part Numbers
JDE40503 • LR125327 • 0445111020 • 0445111019 • 2017-2019
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 JDE40503 with LR125327?
Yes. Both JDE40503 and LR125327 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My vehicle is a 2017 model – is it covered?
The compatibility range for this part includes 2017-2019. The 2017 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
Reviews
There are no reviews yet.