This is the low-pressure side turbo.
If you are looking for the high-pressure side turbo,
click HERE.
The 743279-5004S GTA4702B turbocharger is a replacement low pressure turbo for Caterpillar C13 ACERT 12.5L diesel engine applications. It is used in the compound twin-turbo system and works together with the separate high pressure turbocharger to support airflow, boost stability and engine performance under load.
This turbo is commonly applied to Caterpillar C13 ACERT highway truck and industrial engine applications, including engines with 130, JAM and KCB prefixes. It is a high-mount, non-wastegate low pressure turbocharger for the twin-turbo setup. Before ordering, please compare the part number on your original turbo nameplate or confirm the Caterpillar OEM number to make sure the fitment is correct.
Key Features
- Fits Caterpillar C13 ACERT 12.5L diesel engine applications
- Turbo model: GTA4702B / GTA4702
- Low pressure side turbocharger for compound twin-turbo systems
- High mount design with non-wastegate configuration
- Direct replacement for 743279-5004S and related Garrett numbers
- Suitable for highway truck, fleet repair and diesel parts supply
- Helps restore airflow, boost pressure and engine response under load
Applications
- Engine manufacturer: Caterpillar
- Engine model: C13 ACERT
- Displacement: 12.5L
- Fuel type: Diesel
- Turbo position: Low pressure side
- Turbo system: Compound / twin turbo
- Common engine prefixes: 130, JAM, KCB
- Common use: Caterpillar highway truck and industrial C13 ACERT applications
Interchange / Cross Reference Numbers
Garrett / Turbo Numbers: 743279-5004S, 743279-5004, 743279-0004, 743279-5001S, 743279-5001, 743279-0001, 743279-5003S, 743279-5003, 743279-0003, 743279-5006S, 743279-5006, 743279-0006, 743279-9001S, 743279-9001, 743279-9004S, 743279-9004
Caterpillar OEM Numbers: 10R-2027, 10R2027, 239-5581, 2395581, 239-5583, 2395583, 229-3554, 2293554, 229-3552, 242-4334, 500496, 500498, 500546
Related Component Numbers: CHRA 735574-0006, 735574-5006S, 735574-0019, 735574-0010; bearing housing 740721-0001; compressor wheel 451936-0008; turbine wheel 726866-0001; repair kit 709153-0001
Note: Please verify your old turbocharger part number before purchase. If you are unsure about fitment, send us your turbo nameplate, engine model or OEM number and we will help confirm compatibility.
