1K0145803CA Intercooler Assembly for AUDI A3
Product: Intercooler Assembly / Charge Air Cooler
Primary OE: 1K0145803CA
Item code: AD01011-030
Cross-reference numbers:
1K0.145.803AS
1K0145803AF
1K0145803BM
5C0145803A
1K0.145.80AS
96568
Brand: AUDI
Model: A3
Function: Cools compressed turbo air before it reaches the intake manifold.
Supply: Wholesale aftermarket replacement for global cooling-system buyers.
Fitment check: Verify OE number, core size, hose connections and mounting points before ordering.
1K0145803CA Intercooler Assembly for AUDI A3
This product page covers the 1K0145803CA turbo intercooler assembly for AUDI A3 applications. Use product code AD01011-030 together with the OE label when discussing samples, bulk orders or mixed-container purchasing.
The fin-and-tube core releases heat generated during turbo compression, helping the intake system deliver cooler and denser air.
Product Technical Specifications
| Component | Intercooler assembly / charge-air cooler |
|---|---|
| Primary OE reference | 1K0145803CA |
| Additional references | 1K0.145.803AS; 1K0145803AF; 1K0145803BM; 5C0145803A; 1K0.145.80AS; 96568 |
| Brand application | AUDI |
| Model reference | A3 |
| Internal SKU | AD01011-030 |
| Supply type | Aftermarket wholesale replacement |
Cooling Function in the Intake System
Contamination or external blockage can reduce heat transfer even when the assembly does not leak, making visual and airflow inspection worthwhile.
The replacement should preserve the original airflow path and charge-pipe geometry. Correct connector diameter and tank orientation are as important as overall core dimensions.
Buyer Matching Guide
- Compare 1K0145803CA with every number printed on the removed intercooler.
- Confirm the vehicle model, production period, engine and turbo configuration.
- Measure core height, width and thickness as well as the overall assembly.
- Check inlet and outlet diameter, position, angle and retaining method.
- Match mounting tabs, sensor provisions, hose couplers and surrounding clearances.
Installation and System Checks
Inspect the complete boost circuit before fitting the new unit. Clean debris from nearby airflow passages, replace damaged seals or clamps, and follow the vehicle maker’s tightening and pressure-test procedure. A final road or workshop test should confirm stable boost with no abnormal air noise.
Wholesale Supply for AUDI A3
Wholesale buyers may request pre-shipment photographs, dimensional confirmation, neutral cartons or customer-specific labeling subject to quantity.
For a quotation, send OE 1K0145803CA, SKU AD01011-030, order volume and destination country. Photos of the original unit are recommended whenever the model, engine or connection layout is not fully documented.
Frequently Asked Questions
Is 1K0145803CA guaranteed to fit every AUDI A3?
No. Vehicle production changes and engine options can use different charge-air coolers. Confirm the OE label and physical layout before purchase.
What should be compared besides the OE number?
Compare the core dimensions, tank shape, inlet and outlet positions, connector diameters, brackets and any sensor or valve provision.
Can a damaged intercooler reduce engine power?
Yes. A leak or restriction may reduce charge pressure and cooling efficiency. The hoses, clamps and turbo plumbing should be tested at the same time.
Can Yongshang Auto support sample or bulk orders?
Sample and wholesale enquiries are welcome. Supply the OE number, quantity, destination and packaging requirements for evaluation.
Are private-label cartons available?
Neutral or customized packaging can be discussed according to order quantity, artwork, labeling details and production schedule.
Request a Quote
Contact Yongshang Auto for a 1K0145803CA AUDI A3 intercooler quotation, product photographs or export-packing discussion.
Fitment notice: OE and model references support identification but do not replace VIN-based or original-part verification.
