Growshine International - Premium ALFA ROMEO Garrett Turbocharger MGT1238SZ (793996-0004 / 7939960004) for Heavy Duty Applications
| MGT12 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Part number | Application | C.H.R.A. | Service kit | Gaskets kit | Studs kit | Oil Inlet Pipe Kit | A/R | Replaced by | STATUS |
| 793996-0004 | ALFA ROMEO | 786980-0001 | N/A | 215503 | NO USE | 227342 | 0.34 | 811310-0002 | |
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Growshine International proudly presents the genuine ALFA ROMEO Garrett Turbocharger MGT1238SZ with part numbers 793996-0004 and 7939960004. This premium turbocharger is designed for optimal performance in demanding applications.
Our Garrett MGT1238SZ turbocharger is compatible with various ALFA ROMEO models including heavy trucks and industrial vehicles. The 793996-0004 / 7939960004 part number ensures perfect fitment and OEM-level performance.
As a leading supplier in the construction machinery parts, heavy truck components, and agricultural equipment spare parts industry, Growshine International guarantees the quality and durability of all our products. Our turbocharger replacements meet or exceed original equipment specifications.
This ALFA ROMEO turbocharger is engineered for:
Enhanced engine performance and fuel efficiency
Durability in extreme operating conditions
Perfect compatibility with original engine management systems
Long service life with proper maintenance
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Caterpillar Parts1. Excavator Swing Bearing (Komatsu PC300-8): The rotating platform bearing that allows the upper structure to swing relative to the undercarriage.
2. Truck Turbocharger Actuator (Volvo FH16 750): Controls the vanes in variable geometry turbochargers to optimize boost pressure.
3. Combine Harvester Threshing Drum (John Deere S780): The rotating cylinder with teeth that separates grain from straw.
4. Wheel Loader Final Drive (Caterpillar 950K): The gear reduction unit that transfers power from the transmission to the wheels.
5. Diesel Injector Nozzle (Cummins ISX15): The precision component that atomizes fuel for combustion in the cylinder.
6. Bulldozer Track Roller (Komatsu D65PX-18): Supports the track chain and distributes machine weight along the track.
7. Agricultural Tractor PTO Shaft (Massey Ferguson 6713): Power take-off shaft that transfers engine power to implements.
8. Crane Boom Cylinder (Liebherr LTM 1120): Hydraulic cylinder that controls the extension of the crane boom.
9. Road Grader Circle Gear (Caterpillar 140K): The gear mechanism that rotates the grader blade circle.
10. Skid Steer Loader Control Valve (Bobcat S770): Hydraulic valve that directs flow to drive motors and implements.
Symptoms: Black smoke from exhaust during operation, reduced power, increased fuel consumption.
Possible Causes:
Clogged air filter restricting airflow
Faulty turbocharger not providing adequate boost pressure
Incorrect fuel injection timing
Worn injector nozzles causing poor fuel atomization
EGR valve stuck open
Diagnosis:
Check air filter condition and replace if dirty
Inspect turbocharger for shaft play and compressor wheel damage
Verify boost pressure with diagnostic tool (should be 25-30 psi at full load)
Check injector spray pattern and pop pressure
Test EGR valve operation
Solution: In this case, the turbocharger (part number 20772147) was found to have excessive shaft play and damaged compressor blades. Replacement with a genuine Growshine International turbocharger resolved the black smoke issue and restored engine performance.
Proper maintenance of your ALFA ROMEO Garrett MGT1238SZ turbocharger (793996-0004/7939960004) will extend its service life:
Always allow 3-5 minutes of idle time before shutting down a hot engine
Use only manufacturer-approved engine oils
Replace oil and filters at recommended intervals
Inspect air intake system regularly for leaks
Check for oil leaks at turbocharger fittings
Monitor boost pressure for early detection of issues
Following these practices will help prevent common turbocharger failures such as oil coking, bearing wear, and compressor wheel damage.
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