7N7747 Turbine Housing for CAT 3306 (3LM373)

This aftermarket 7N7747 Turbine Housing serves as a replacement part for the 3LM373 turbocharger, specifically designed for CAT 3306 engines found in CAT D6G, 14G, and D6D models. Buyers should verify OEM reference number 157927 and confirm exact engine specifications to ensure proper fitment before ordering.

Key Specifications

This turbine housing is identified by part number 7N7747 and serves as a replacement component for the 3LM373 turbocharger assembly. The unit is associated with OEM reference number 157927, which helps buyers confirm the correct specification for their rebuild project. Weighing approximately 9 kg, this housing is designed for heavy-duty industrial applications. Verify the casting number and flange dimensions against your existing component to ensure proper alignment and exhaust flow characteristics before installation.

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 turbine housing is listed for CAT 3306 engines, commonly found in CAT D6G, 14G, and D6D heavy equipment models. Buyers should verify the specific engine code and turbo model 3LM373 configuration to ensure proper alignment. Cross-reference OEM number 157927 with your existing part to confirm the correct replacement application. Always check flange dimensions and mounting details before ordering to avoid fitment issues.

Technical Notes

Inspect the turbine housing for casting integrity, ensuring no cracks or warping affect exhaust flow efficiency. Verify that the flange surfaces are clean and free of debris to maintain a proper seal with the exhaust manifold. Check the bearing journal area for smoothness, as roughness can impact CHRA alignment during reassembly. Confirm that the exhaust outlet dimensions match the 3LM373 turbocharger specifications to prevent backpressure issues. Always compare the physical part against OEM reference 157927 to validate correct geometry and mounting details before installation.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for this 7N7747 Turbine Housing. Our technical team provides fitment support to help verify part numbers, engine codes, and OEM references before ordering. Contact us for bulk inquiries or to confirm specific application details for your CAT 3306 rebuild project.