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S330W057 Turbocharger Core for CAT 3126E Replacement

S330W057 Core for CAT 3126E. Aftermarket replacement CHRA for Caterpillar tractors. Verify engine code and OEM references before ordering. Technical fitment support available.

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

Type Core On backorder — orders accepted Models S330W057
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12-Month Warranty Worldwide shipping excluding Canada and China. OEM-Grade Quality

This S330W057 Core is an aftermarket replacement CHRA designed for Caterpillar 3126E engines found in CAT tractors. It serves as a reference application for rebuilders and fleet parts buyers, requiring verification of engine serial numbers and OEM references before installation.

Key Specifications

  • Part Number: S330W057
  • Product Type: Core (CHRA)
  • Turbo Model: S330W057
  • Application Clue: Caterpillar CAT 3126E engine
  • OEM Reference Numbers: Not supplied in input data
  • Packing: Not specified
  • Gross Weight: Not specified
  • Image Availability: No image provided

This core is a central component for turbocharger rebuilds, containing the compressor wheel, turbine wheel, and bearing housing. Buyers should verify the specific S330W057 model against their existing unit to ensure correct shaft length and flange alignment. Confirm that the bearing housing seals and oil passages match the original configuration before installation.

Application & Compatibility

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

  • Caterpillar > CAT > CAT TRACTOR > CAT 3126E

This S330W057 Core is listed as a reference application for Caterpillar CAT 3126E engines used in CAT tractors. It is not a confirmed aftermarket replacement for all units; buyers must verify the specific engine serial number and existing turbocharger configuration before ordering.

  • Application Path: Caterpillar > CAT > CAT TRACTOR > CAT 3126E
  • Verification Step: Cross-check the S330W057 model against your current unit's housing and shaft dimensions.
  • Fitment Note: Confirm that the bearing housing seals and oil passages align with your specific tractor model.

Because no OEM reference numbers were supplied in the input data, treat this listing as a technical fitment clue. Verify part numbers and engine codes with your service manual or supplier support to ensure the correct CHRA is selected for your rebuild project.

Technical Notes

The S330W057 Core is a central CHRA component for Caterpillar 3126E engines. It integrates the compressor wheel, turbine wheel, and bearing housing into a single balanced assembly. Buyers should verify the shaft length and flange alignment against their existing unit to ensure proper housing mating. Confirm that the bearing housing seals and oil passages match the original configuration. Since no OEM reference numbers were supplied, treat this listing as a technical fitment clue. Cross-check the S330W057 model against your service manual or supplier support to confirm the correct CHRA for your specific rebuild project.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for S330W057 Core orders, suitable for repair shops, rebuilders, and fleet parts distributors. Worldwide shipping is available for this aftermarket replacement CHRA. Technical fitment support is provided to help verify engine codes, housing configurations, and OEM reference numbers before shipment. Inquire with specific tractor model details and existing turbocharger part numbers to confirm the correct S330W057 core for your Caterpillar 3126E application.

Product FAQ

Confirm the V-band clamp dimensions and profile match your existing housing before installation. Incorrect clamp sizes can cause leaks or poor sealing on CAT 3126E applications.

Inspect O-ring material compatibility with your specific oil and coolant types. Ensure the S330W057 Core seals are rated for the operating temperatures of the CAT 3126E engine.

Verify the thread direction and apply the correct tightening torque for the S330W057 compressor wheel. Improper torque can damage the bearing housing or cause imbalance.

This core is a reference application for CAT 3126E engines found in Caterpillar tractors. Verify your specific tractor model and engine serial number before ordering.

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, engine code, vehicle application, production year, and OEM reference numbers before ordering. This core is a reference application for CAT 3126E; confirm fitment with your specific unit.

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Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

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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