721021-0001 CH Compressor Housing for Audi A3 1.9 TDI
Aftermarket FOR 721021-0001 CH compressor housing for Audi A3 1.9 TDI and related PD UI applications. Verify part number, engine code, and OEM reference 721021-0002 CH before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
Subtotal: US$ 38.00
Send an InquiryThis aftermarket FOR 721021-0001 CH compressor housing is a replacement part for Audi A3 1.9 TDI engines, including the ARL engine code. It serves as an aftermarket replacement application for turbocharger systems where the compressor housing requires renewal. Verify your specific vehicle application and OEM reference numbers before ordering to ensure correct fitment.
Key Specifications
- Part Number: FOR 721021-0001 CH
- Product Type: Compressor Housing
- Application Clue: Audi A3 1.9 TDI (ARL engine code)
- OEM Reference: FOR 721021-0002 CH
- Packing: N/A
- Gross Weight: 0 kg
- Image Availability: Not provided
Verify the part number FOR 721021-0001 CH against your specific vehicle and engine code. Cross-check the OEM reference FOR 721021-0002 CH to confirm the correct replacement application for your turbocharger system.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- AUDI > Audi A3 > Audi A3 1.9 TDI > Audi 1.9 TDI ARL
- SEAT > PD UI
- VOLKSWAGEN > PD UI
This compressor housing is listed for replacement applications in Audi A3 1.9 TDI vehicles, specifically associated with the ARL engine code. The part number FOR 721021-0001 CH serves as the primary identifier, while FOR 721021-0002 CH is a related OEM reference number for cross-verification. Application clues also include SEAT and Volkswagen PD UI engine variants. Buyers should verify the specific engine code, production year, and turbocharger configuration against these reference numbers before ordering. Technical fitment support is available to confirm the correct replacement application for your specific vehicle setup.
Technical Notes
The FOR 721021-0001 CH compressor housing is an aftermarket replacement component for turbocharger systems. It is associated with Audi A3 1.9 TDI vehicles equipped with the ARL engine code. The part is also listed for SEAT and Volkswagen PD UI engine applications. Buyers should verify the specific engine code, production year, and turbocharger configuration against the primary part number and the related OEM reference FOR 721021-0002 CH. Technical fitment support is available to confirm the correct replacement application for your specific vehicle setup before ordering.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the FOR 721021-0001 CH compressor housing. Technical fitment support is available to verify engine code ARL, vehicle application, and OEM reference FOR 721021-0002 CH before dispatch. Inquire about stock availability and lead times for international delivery. Confirm specific turbocharger configuration and production year to ensure the correct replacement application for your Audi A3 1.9 TDI or related PD UI systems.
Product FAQ
Audi A3 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 A3.
Compatibility Verify part number FOR 721021-0001 CH, engine code (e.g., ARL), vehicle application, production year, and OEM reference numbers such as FOR 721021-0002 CH before ordering. Confirm turbo configuration and fitment with technical support.
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.
