Urea Emissions Injector 47506932 for CASE Loader 1021F 1021G 1121F 1121G 521F 521G 621F 621G 721F 721G 821F 821G 921F 921G
This fuel injector is engineered as a direct replacement for the CASE Loader 1021F 1021G 1121F 1121G 521F 521G 621F 621G 721F 721G 821F 821G 921F 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 |
|---|---|
| Urea Emissions Injector 47506932 for CASE Loader 1021F 1021G 1121F 1121G 521F 521G 621F 621G 721F 721G 821F 821G 921F 921G Replacement Part Number: CASE: 47506932, 51515744, 475069320, 47 506 932Bosch: 0444043067, 0444043069, 0444043081, 0444043080, 0 | 444-043-069, 0-444-043-081, 0-444-043-067, 0-444-043-080, 0 444 043 067, 0 444 043 069, 0 444 043 081, 0 444 043 080 Application: Fit for CASE Loader: 1021F, 1021G, 1021G2, 1121F, 1121G, 1121G2, 521F, 521G, 521G2, 621F, 621G, 721F, 721G, 821F, 821G, 921F, 921GFit for CASE Tractor: Farmall 110A, Farmall 120A, Farmall 120A Pro, Farmall 130A, Farmall 140A, Farmlift 632, Farmlift 633, Farmlift 635, Farmlift 636, Farmlift 735, Farmlift 737, Farmlift 742, Farmlift 935, Magnum 180, Magnum 200, Magnum 220, Magnum 240, Magnum 250, Magnum 250 AFS, Magnum 280, Magnum 280 AFS, Magnum 310, Magnum 310 AFS, Magnum 340, Magnum 340 AFS, Magnum 380, Magnum 380 AFS, Magnum 400 AFS, Maxxum 115, Maxxum 125, Maxxum 135, Maxxum 145, Maxxum 150, Optum 250 CVX, Optum 270 CVT, Optum 270 CVX, Optum 300 CVT, Optum 300 CVX, Puma 140, Puma 150, Puma 150 CVT, Puma 150 CVX, Puma 165, Puma 165 CVT, Puma 165 CVX, Puma 175 CVX, Puma 185, Puma 185 CVT, Puma 185 CVX, Puma 200, Puma 200 CVT, Puma 200 CVX, Puma 220, Puma 220 CVT, Puma 220 CVX, Puma 240 CVT, Puma 240 CVXFit for CASE Motor Grader: 836C, 836C AWD, 856C, 856C AWDFit for CASE Sprayer: Patriot 2230, Patriot 2250, Patriot 3240, Patriot 3340 |
Replaces OEM Part Numbers
47506932 • 51515744 • 475069320 • 932Bosch • 0444043067 • 0444043069 • 0444043081 • 0444043080 • 0-444-043-069 • 0-444-043-081 • 0-444-043-067 • 0-444-043-080
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 47506932 with 51515744?
Yes. Both 47506932 and 51515744 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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