Click image to zoom

53037100511 K03-2072GAAAA 5 88 Turbocharger Core for Audi A4

Type Core Part # 53037100511 Models K03-2072GAAAA 5 88 Weight 2.00 kg
Cross Reference 5303-710-0511
US$ 55.00 / 1 pc(s)
Qty

Subtotal: US$ 55.00

Send an Inquiry
12-Month Warranty Worldwide Shipping OEM-Grade Quality

This aftermarket replacement turbocharger core, part number 53037100511 (K03-2072GAAAA 5 88), serves as an aftermarket replacement for Audi A4 1999 150HP applications. Designed for rebuilders and B2B buyers, this CHRA unit references OEM number 5303-710-0511 to help confirm fitment. Verify your engine code and vehicle details before ordering to ensure correct application.

Key Specifications

This K03-2072GAAAA 5 88 core assembly is supplied as a standalone CHRA unit for rebuild applications. The component weighs approximately 2 kg, facilitating manageable handling during bench work. It is designed to integrate with standard K03 compressor and turbine housings. Buyers should inspect the shaft runout and bearing clearance upon receipt. This core supports restoration projects for Audi A4 1999 150HP engines. Verify that the shaft splines and seal surfaces match your specific housing requirements before assembly.

Application & Compatibility

This core is listed for Audi A4 1999 150HP applications as a reference replacement. Buyers should verify the engine code and production year against their vehicle documentation. OEM reference number 5303-710-0511 helps confirm the correct unit for this specific turbo model. Always cross-check the part number with your existing turbocharger to ensure proper alignment. This listing serves as a guide; final fitment depends on your specific engine configuration and housing type.

Technical Notes

This K03 core assembly requires careful handling to preserve bearing integrity. Inspect the shaft for straightness and check bearing surfaces for scoring or damage before installation. Ensure all oil passages are clear to prevent lubrication issues during operation. Verify that the seal surfaces are clean and free of debris to maintain proper compression. This unit is designed for bench rebuilds; confirm housing alignment and clamp torque specifications match your specific application requirements.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for this 53037100511 K03 core. Worldwide shipping is available for distributors and repair shops. Our technical team provides fitment support to help verify specifications before purchase. Contact us for bulk order details and lead times. We ensure secure packaging for safe transit of this 2 kg unit. Verify your requirements with our sales team to streamline your procurement process.

Product FAQ

This core is associated with OEM reference number 5303-710-0511. Verify this number against your vehicle's documentation to ensure correct application.

Inspect the physical threads on the K03-2072GAAAA 5 88 core studs and nuts. Compare them directly with the original unit or vehicle service manual specifications before installation.

Check the V-band clamp dimensions and profile on the compressor and turbine housings. Ensure they match the mating components of your specific Audi A4 1999 150HP engine setup.

Examine the O-rings on the 53037100511 core for oil and water ports. Confirm the material type and size match your engine's requirements to prevent leaks during operation.

AUDI 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 AUDI.

For More Information

Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.