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149955 Turbocharger for CAT Earth Moving (4LE304)

Type Turbocharger Part # 149955 Models 4LE304
Cross Reference 178000
Show more cross references 178000 310143 8S9242
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12-Month Warranty Worldwide Shipping OEM-Grade Quality

This aftermarket 149955 turbocharger serves as a replacement unit for CAT Earth Moving equipment, specifically model 4LE304. Designed to reference OEM numbers 178000, 310143, and 8S9242, it supports heavy-duty applications. Buyers should verify part numbers and engine specifications before ordering to ensure proper fitment.

Key Specifications

This section outlines the core identification data for the 149955 turbocharger. The unit is classified as a complete turbocharger assembly, specifically model 4LE304. It is designed for CAT Earth Moving equipment applications. Key reference numbers include 178000, 310143, and 8S9242, which help buyers cross-check their existing units. These OEM references serve as verification tools rather than confirms of fitment. Always confirm the physical configuration of your current turbocharger against these numbers. This ensures the replacement unit matches your specific engine requirements and mounting details.

Application & Compatibility

This 149955 turbocharger is listed for CAT Earth Moving equipment applications. It serves as a replacement unit for model 4LE304 engines. Buyers should use the associated OEM reference numbers 178000, 310143, and 8S9242 to help confirm fitment. These references assist in identifying the correct part for your specific machine. Always verify the physical configuration of your existing turbocharger against these numbers. This step ensures the replacement unit matches your engine requirements and mounting details. Confirming details before ordering helps prevent installation issues and downtime.

Technical Notes

This 149955 turbocharger is designed for CAT Earth Moving equipment, specifically model 4LE304. As an aftermarket replacement unit, it references OEM numbers 178000, 310143, and 8S9242. Buyers should verify the physical configuration of their existing turbocharger against these reference numbers. This step ensures the replacement unit matches specific engine requirements and mounting details. Always confirm part numbers and engine specifications before ordering to prevent installation issues.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 149955 turbocharger. Worldwide shipping is available for this 4LE304 replacement unit. Our team provides technical fitment support to help verify OEM references 178000, 310143, and 8S9242. Contact us to confirm specifications for your CAT Earth Moving application. We assist distributors and repair shops in identifying the correct aftermarket replacement. Ensure all details match your existing unit before finalizing your order.

Product FAQ

This unit is associated with OEM reference numbers 178000, 310143, and 8S9242. Use these numbers to help confirm fitment for your CAT Earth Moving application.

Photograph the entire nameplate clearly, ensuring the part number 149955 and model 4LE304 are legible. Include any serial numbers or casting marks visible on the housing.

Inspect the old 4LE304 turbocharger for wear on the actuator and housing. Ensure all mounting hardware and seals are clean and undamaged before reusing them.

Confirm that all gaskets and seals are replaced with new ones during installation. Verify that mounting bolts meet the required torque specifications for the CAT application.

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

CHRA Core

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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

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

Compressor Housing

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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

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