AdBlue Injector 47506948R for CASE Tractor MAGNUM 250 280 310 380 400 QUADTRAC 540 580 620 STEIGER 500 580 Loader 1021G2 721G 821G 921G
This fuel injector is engineered as a direct replacement for the CASE Tractor MAGNUM 250 280 310 380 400 QUADTRAC 540 580 620 STEIGER 500 580 Loader 1021G2 721G 821G 921G. 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 |
|---|---|
| AdBlue Injector 47506948R for CASE Tractor MAGNUM 250 280 310 380 400 QUADTRAC 540 580 620 STEIGER 500 580 Loader 1021G2 721G 821G 921G Important Note: Replace as a SET for Best Results.Fuel injectors wear at the same rate. Mixing new and old injectors causes uneven atomization, leading to vibrations or “Check Engine” lights. Replace the full set to ensure balanced power and peak performance. Replacement Part Number: CASE: 47506948R, 47506948Iveco: 5801698919, 58 0169 8919Bosch: 0444043068, 0 444 043 068 Applications:Fit For CASE Tractor:MAGNUM 250, MAGNUM 250, MAGNUM 280, MAGNUM 310, MAGNUM 340, MAGNUM 380, MAGNUM 400, MAXXUM 125, MAXXUM 135, OPTUM 300 CVT, PUMA 165, PUMA 175, PUMA 185 CVT, QUADTRAC 370, QUADTRAC 420, QUADTRAC 470, QUADTRAC 500, QUADTRAC 535, QUADTRAC 540, QUADTRAC 580, QUADTRAC 620, ROWTRAC 420, ROWTRAC 470, ROWTRAC 500, STEIGER 370, STEIGER 420, STEIGER 470, STEIGER 500, STEIGER 535, STEIGER 540, STEIGER 580, STEIGER 620Fit For CASE Floater: TITAN 3040, TITAN 3540, TITAN 4040, TITAN 4540Fit For CASE Sprayer: PATRIOT 4440Fit For CASE Harvester: AUSTOFT 9000, AUSTOFT 9900, AUSTOFT 9900, TRIDENT 5550Fit For CASE Loader: 1021G2, 1121G2, 721G, 721G2, 821G, 821G2, 921G, 921G2 | See product specifications |
Replaces OEM Part Numbers
47506948R • 47506948Iveco • 5801698919 • 8919Bosch • 0444043068
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 47506948R with 47506948Iveco?
Yes. Both 47506948R and 47506948Iveco 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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