0R7031 BTV8503 Turbocharger Core for CAT D11N 3508

This 0R7031 BTV8503 turbocharger core is an aftermarket replacement component designed for Caterpillar D11N and 3508 engine applications. It serves as a reference application for heavy-duty earth moving equipment, supporting repair shops and fleet buyers who require a balanced CHRA assembly for maintenance or rebuild projects.

Key Specifications

• Part Number: 0R7031
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: BTV8503
• Application Clues: Caterpillar D11N, CAT 3508, Earth Moving
• Packing Dimensions: 21 x 23 x 26 cm
• Gross Weight: 15 kg
• OEM Reference Numbers: 1488173, 2890372, 449073-0021, 712371-0177 (representative of 23 listed references)

This core assembly includes the central bearing housing, compressor wheel, and turbine wheel. Visible features include a cast iron turbine housing with radial cooling fins and machined metal surfaces. Verify the specific OEM reference number against your engine documentation before ordering.

Application & Compatibility

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

• Caterpillar > CAT > CAT D11N > CAT 3508
• Caterpillar > CAT > CAT EARTH MOVING

This 0R7031 BTV8503 core is listed for Caterpillar D11N and 3508 earth moving applications. It is associated with OEM reference numbers such as 1488173, 2890372, 449073-0021, and 712371-0177. These references serve as verification clues for your specific engine configuration. Confirm the exact part number, emission standard, and production year against your equipment documentation before ordering. This aftermarket replacement application supports repair shops and fleet buyers who need to verify fitment for heavy-duty turbocharger maintenance.

Technical Notes

The BTV8503 core assembly features a central bearing housing with visible oil feed ports and threaded connections. The compressor wheel displays curved blades with a central nut, while the turbine wheel includes radial cooling fins on the cast iron housing. Machined metal surfaces indicate a silver-grey finish. These visible structural elements support standard CHRA rebuild procedures. Verify the specific bearing type and seal configuration against your service manual. Confirm that the turbine and compressor wheel dimensions match your original unit before installation. Technical fitment support is available to assist with component identification.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 0R7031 BTV8503 core. Worldwide shipping is available for repair shops, rebuilders, and fleet parts buyers. Technical fitment support is provided to help verify the 23 listed OEM reference numbers against your specific CAT D11N or 3508 engine configuration. Confirm the part number, emission standard, and production year before placing an order to ensure the correct replacement application.