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178474 S200AG Turbocharger for CAT 3126B Engine
Aftermarket 178474 S200AG Turbocharger for CAT 3126B engines. Reference OE numbers 0R7981, 171859, 1858016. Verify application before ordering.
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0R7981 171859 1858016 185-8016Subtotal: US$ 268.00
Send an InquiryThis 178474 S200AG turbocharger serves as an aftermarket replacement for CAT 3126B engines. Designed for heavy-duty applications, it references OEM numbers 0R7981 and 1858016 to help confirm fitment for Caterpillar machinery and marine vessels. Verify your specific engine model and vehicle application before ordering to ensure correct part selection.
Key Specifications
This S200AG turbocharger assembly is identified by part number 178474. It serves as a replacement unit for Caterpillar 3126B engines found in heavy equipment and marine applications. The product references OEM numbers 0R7981, 171859, and 1858016 to assist with identification. Buyers should verify these reference numbers against their existing unit. The package dimensions are 35x34x43 cm with a gross weight of 18 kg. This data helps calculate freight costs for international shipping. Confirm the turbo model S200AG050 matches your engine requirements before ordering.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- CAT > CAT E325C > CAT 3126B
- Caterpillar > Caterpillar 135 > Caterpillar 135H Motograder > Caterpillar 3126B
- Caterpillar > Caterpillar 938 > Caterpillar 938G II Loader > Caterpillar 3126B
- Ocean Alexander > Ocean Alexander 486 > Ocean Alexander 486 Classico > Caterpillar 3126B
This S200AG turbocharger is listed for Caterpillar 3126B engines found in heavy equipment and marine vessels. Common reference applications include CAT E325C excavators, Caterpillar 135H Motograders, and Caterpillar 938G II Loaders. Marine applications may include Ocean Alexander 486 Classico vessels. These paths serve as verification clues only. Always confirm your specific machine model, engine code, and production year before ordering to ensure correct fitment.
Technical Notes
The S200AG series is designed for heavy-duty diesel engines requiring robust boost pressure. This unit supports the Caterpillar 3126B engine configuration found in construction and marine applications. Verify that the compressor and turbine housing flanges match your existing assembly. Check oil inlet and outlet port sizes to ensure proper lubrication flow. Confirm exhaust manifold bolt patterns align with the engine block. Inspect the actuator related hardware for correct positioning. Ensure all gaskets and seals are replaced during installation to prevent leaks.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing for this 178474 S200AG turbocharger. Worldwide shipping is available for international orders. Our team provides technical fitment support to help verify part numbers and OEM references. Contact us to confirm application details and secure competitive rates for bulk purchases.
Product FAQ
CAT and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by CAT.
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Frequently Asked Questions
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Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.