149790 Turbine Housing Replacement for CAT 3306 Engine

This 149790 Turbine Housing serves as an aftermarket replacement for the 4LF504 turbocharger, specifically referenced for CAT 3306 engines and CAT D6G/D6D applications. Designed for heavy-duty exhaust systems, this component supports reliable turbo operation while offering technical fitment support and volume pricing for B2B buyers.

Key Specifications

This 149790 Turbine Housing is engineered for the 4LF504 turbocharger series, serving as an aftermarket replacement component for heavy-duty exhaust systems. The unit features a robust construction designed to withstand high-temperature exhaust gas flow, ensuring stable operation within demanding industrial environments. With a gross weight of 10 kg, the housing provides substantial durability while maintaining manageable logistics for global distribution. Buyers should verify the specific flange dimensions and mounting bolt patterns against their existing 4LF504 assembly to ensure precise alignment. This part supports efficient exhaust gas routing, which is critical for maintaining optimal boost pressure and engine performance in CAT 3306 applications. Technical fitment support is available to assist with installation verification and dimensional checks before final purchase.

Application & Compatibility

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

• CAT > CAT D6G 14G D6D > CAT 3306

This 149790 Turbine Housing is listed as a reference application for CAT 3306 engines and CAT D6G/D6D models equipped with the 4LF504 turbocharger. Buyers should verify the specific engine code and turbo serial number to confirm alignment with their existing assembly. Cross-checking physical dimensions against the original unit helps ensure proper exhaust gas routing and mounting alignment. Always validate fitment details before finalizing your order to avoid installation delays.

Technical Notes

Inspect the 149790 turbine housing for casting integrity and surface finish before installation. Check the exhaust inlet and outlet flanges for cracks or warping that could compromise sealing. Verify that the V-band groove is undamaged to ensure proper clamp engagement with the exhaust pipe. Examine mounting bolt holes for thread wear or elongation, which may affect alignment with the bearing housing. Confirm that all coolant or oil passages are clear of debris. Use a torque wrench to tighten mounting studs to manufacturer specifications, preventing leaks under high exhaust pressure.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 149790 Turbine Housing. Technical fitment support is available to assist with verification before ordering. Contact our team for bulk inquiries or to confirm specific application details for CAT 3306 engines. We ensure efficient logistics for heavy-duty turbocharger parts, helping repair shops and distributors maintain inventory with reliable aftermarket replacement components.