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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.

Type Turbocharger Part # 178474 Models S200AG S200AG050 Weight 18.00 kg Packing 35*34*43
Cross Reference 0R7981
Show more cross references 0R7981 171859 1858016 185-8016
Part Number 178474 Product Type Turbocharger Compatibility Verify part number 178474, engine model CAT 3126B, and OEM reference numbers (0R7981, 171859, 1858016) before ordering. Check vehicle application and production year to ensure fitment.
US$ 268.00 / 1 pc(s)
Includes Canadian freight
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Subtotal: US$ 268.00

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12-Month Warranty Worldwide Shipping OEM-Grade Quality

This 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

This unit references OEM numbers 0R7981, 171859, 1858016, and 185-8016. Verify these against your existing unit to confirm fitment.

Common applications include CAT E325C excavators, Caterpillar 135H Motograders, and Caterpillar 938G II Loaders. Confirm your specific machine model before ordering.

Inspect the intake and exhaust piping for debris or damage. Ensure the oil supply and return lines are clean to prevent premature failure of the new unit.

The package measures 35x34x43 cm with a gross weight of 18 kg. This helps calculate freight costs for international B2B orders.

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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Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.