1J0145803M Intercooler Assembly for VOLKSWAGEN Golf Mk4

1J0145803M Intercooler Assembly for VOLKSWAGEN Golf Mk4

Listed as an air-to-air charge cooler, the 1J0145803M assembly supports turbocharged VOLKSWAGEN Golf Mk4 applications. Reference VM01011-004 helps importers distinguish the pictured version during procurement.

Charge air passes through the core while external airflow removes heat, reducing thermal load between the turbocharger and intake manifold.

Product Technical Specifications

Component: Intercooler assembly / charge-air cooler

Primary OE reference: 1J0145803M

Additional references: None listed

Brand application: VOLKSWAGEN

Model reference: Golf Mk4

Internal SKU: VM01011-004

Supply type: Aftermarket wholesale replacement

How This Intercooler Works

A pressure test can help separate core leakage from damaged hoses, clamps, turbo plumbing or intake-manifold faults.

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.

Compatibility Checklist

Compare 1J0145803M 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 VOLKSWAGEN Golf Mk4

AutoParts supports mixed cooling-system enquiries; separate each OE number and quantity to keep labels, cartons and inspection records traceable.

For a quotation, send OE 1J0145803M, SKU VM01011-004, 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 1J0145803M guaranteed to fit every VOLKSWAGEN Golf Mk4?

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 AutoParts 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 AutoParts for a 1J0145803M VOLKSWAGEN Golf Mk4 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.

Product: Intercooler Assembly / Charge Air Cooler

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.