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178404 S300W072 Turbocharger Core for CAT 3126B & C7 Engines

Aftermarket 178404 S300W072 turbo core for CAT 3126B and C7 applications. Verify OEM reference numbers 173539 and 175488 against your engine configuration before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type Core On backorder — orders accepted Part # 178404 Models S300W072
Cross Reference 173539
Show more cross references 173539 175488
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12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This aftermarket 178404 S300W072 turbocharger core (CHRA) serves as a replacement component for Caterpillar CAT 3126B and C7 engines. Verify part number, engine code, and OEM reference numbers 173539 or 175488 against your specific unit configuration before ordering.

Key Specifications

  • Part Number: 178404
  • Product Type: Turbocharger Core (CHRA)
  • Turbo Model: S300W072
  • OEM Reference Numbers: 173539, 175488
  • Application Clues: CAT 3126B, CAT C7
  • Packing: Not specified
  • Gross Weight: Not specified
  • Image Availability: Not available

Verify these specifications against your existing unit to ensure the S300W072 configuration matches your engine requirements.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

  • Caterpillar > CAT > CAT E325C > CAT 3126B
  • Caterpillar > CAT > CAT 962H > CAT C7
  • Caterpillar > CAT > CAT EARTH MOVING

This 178404 S300W072 core is listed for replacement applications in Caterpillar CAT 3126B and CAT C7 engines, including CAT E325C and CAT 962H earth-moving equipment. Verify the part number, engine code, and OEM reference numbers 173539 or 175488 against your specific unit configuration before ordering. Confirm that the S300W072 turbo model matches your existing assembly to ensure correct replacement application.

Technical Notes

The S300W072 core is a balanced CHRA assembly designed for Caterpillar earth-moving applications. Verify the compressor wheel inducer and exducer diameters against your existing unit to ensure proper housing fitment. Confirm that the bearing housing and shaft alignment match the S300W072 specification. Check for any debris or damage on the turbine and compressor wheels before installation. Ensure the core is free of binding or excessive play in the bearing system. These verification steps help confirm the replacement reliability of the 178404 core for CAT 3126B and C7 engines.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 178404 S300W072 core. Technical fitment support is available to help verify part number, engine code, and OEM reference numbers 173539 or 175488 before ordering. Inquire with your specific application details to confirm the replacement application for CAT 3126B or C7 engines.

For B2B stock planning, maintain inventory based on verified engine codes and OEM reference numbers 173539 or 175488. Since packing details and gross weight are not specified in the current data, confirm shipping dimensions and weight with our technical team before scheduling freight. This step ensures accurate logistics planning and prevents delivery delays for fleet parts buyers. LeadTurbo provides technical fitment support to help distributors and repair shops validate the S300W072 configuration against their specific Caterpillar earth-moving equipment. Use this verification process to streamline ordering and reduce the risk of incorrect part shipments for CAT 3126B and C7 applications.

Product FAQ

This core is associated with OEM reference numbers 173539 and 175488. Verify these numbers against your specific engine configuration before ordering.

The application data lists CAT 3126B and CAT C7 engines. Confirm your specific engine model and production year to ensure the S300W072 configuration is correct.

If the S300W072 unit includes a VNT mechanism, ensure the vanes move freely without binding before final assembly. Check for debris or damage that could restrict movement.

Measure the compressor wheel inducer and exducer diameters and compare them to the S300W072 specification sheet. Ensure the wheel matches the housing bore for proper fitment.

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.

Compatibility Verify part number 178404, engine code (3126B or C7), vehicle application, and OEM reference numbers 173539 or 175488 before ordering. Confirm turbo configuration matches your unit.

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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.

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