310131 4LE504 Turbocharger Replacement for CAT 3306 Engine

The 310131 4LE504 turbocharger is an aftermarket replacement assembly for CAT 3306 engines, including reference applications for CAT D6G, 14G, and D6D. This unit is associated with OEM reference numbers 178049, 180289, and 4N9555. Verify your specific engine code, production year, and turbo configuration against these references before ordering to ensure the correct replacement application.

Key Specifications

• Part Number: 310131
• Product Type: Turbocharger
• Turbo Model: 4LE504
• Application Clues: CAT 3306 engine; CAT D6G, 14G, D6D
• Packing Dimensions: 26 x 30 x 33 cm
• Gross Weight: 22 kg
• Representative OEM Reference Numbers: 178049, 180289, 4N9555

These specifications help B2B buyers cross-check the 310131 4LE504 turbocharger against their existing units and procurement records. Confirm the part number and model against your engine documentation to ensure the correct replacement application.

Application & Compatibility

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

This 310131 4LE504 turbocharger is listed for CAT 3306 engine applications, including CAT D6G, 14G, and D6D models. Buyers should verify the part number, engine code, and production year against their specific unit. The following OEM reference numbers are associated with this replacement application for cross-checking:

• Caterpillar > CAT > CAT D6G 14G D6D > CAT 3306
• 178049
• 180289
• 4N9555

Confirm that these references match your existing documentation or previous service records. Do not assume universal fitment across all CAT 3306 variants; verify the turbo configuration and mounting details before ordering to ensure the correct replacement application.

Technical Notes

The 4LE504 turbocharger is a fixed-geometry unit designed for heavy-duty diesel applications. Unlike variable-geometry models, it relies on a static turbine housing and nozzle ring to manage airflow. Buyers should verify the turbine wheel shaft diameter and material against the 4LE504 specification to ensure stable operation. Inspect the bearing housing oil feed and return ports for blockages or seal damage. If foreign object damage is found on the old unit, clean the oil and air systems before installing this 310131 replacement. Confirm the turbo configuration matches your CAT 3306 engine documentation.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 310131 4LE504 turbocharger. Technical fitment support is available to help verify part number, engine code, and OEM reference numbers 178049, 180289, and 4N9555 before ordering. Contact our team with your specific CAT 3306 application details to confirm the correct replacement unit and arrange fast delivery.