Click image to zoom
181931 Turbocharger Replacement for CAT D8N 3406 Engine
This LeadTurbo 181931 turbocharger serves as an aftermarket replacement for CAT D8N machines equipped with 3406 engines. Designed for the 4LF552 model, this unit references OEM number 9N2328 to assist buyers in confirming fitment. Verify your specific engine configuration and existing part details before ordering to ensure correct application.
Key Specifications
This section outlines the core identification details for the 181931 turbocharger. Buyers should verify the part number 181931 and turbo model 4LF552 against their existing unit. The product type is a complete turbocharger assembly intended for replacement applications. OEM reference number 9N2328 is provided to assist in reference checking with original equipment tags. Ensure all markings match your specific CAT D8N or 3406 engine configuration before proceeding with the purchase.
Application & Compatibility
This unit is listed for CAT D8N machines equipped with 3406 engines. Buyers should verify the specific engine configuration and existing turbocharger details before ordering. Cross-reference the OEM number 9N2328 with your current unit to confirm it matches the required replacement application. Ensure all physical markings align with your equipment specifications to avoid fitment issues.
Technical Notes
This section provides technical context for the 181931 turbocharger assembly. Buyers should inspect the physical unit to confirm housing orientation and connection types match their CAT 3406 engine setup. Verify that the turbine and compressor wheel dimensions align with the 4LF552 model specifications. Check oil inlet and outlet ports for correct sizing and threading. Ensure the actuator arm position and related hardware geometry correspond to your specific CAT D8N application. Confirm all mounting bolt patterns match before installation to prevent mechanical interference.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing for the 181931 turbocharger. Worldwide shipping is available for distributors, repair shops, and fleet parts buyers. Our technical team provides fitment support to verify part number 181931 and model 4LF552 details. Contact us to confirm OEM reference 9N2328 alignment with your CAT D8N application. We assist with order verification to ensure correct replacement parts for your 3406 engine inventory.
Product FAQ
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.
Customer Reviews
Share installation notes, fitment feedback, or service experience for this product.
No customer reviews have been added for this product yet.
For More Information
Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.