Coolant Thermostat Housing Assembly for VW & Audi 06A121513

Product Overview

A Thermostat Housing Assembly for Audi vehicles, held against OEM 06A121513 and 06A121111. In service the part carries the wax element, housing, seals and — on mapped units — the heater and temperature sensor that govern warm-up. The coolant control circuit gives this part a hard life: heat soak, vibration and pressure cycling. Typical end-of-life signs are cracked plastic housings and leaking sensor bosses, which reach the workshop as a gauge that never settles in the normal band, higher fuel consumption and thermostat fault codes. We hold it as part of a cooling-system range of more than 4000 types built for the independent aftermarket in Europe, the Middle East and South America.

Key Benefits

• Matched to how the part actually fails — Cracked plastic housings and leaking sensor bosses are the reasons this reference is bought, so those are the features checked before packing.
• Export packing as standard — The range ships to Europe, the Middle East and South America, so cartons are packed for long sea legs rather than for a local van run.
• One reference set on every document — OEM 06A121513 and 06A121111 appears on the quotation, the packing list and the carton label, so a warehouse can check a delivery without opening the box.
• Consolidate the platform in one order — Hoses, flanges and thermostat housings for the same platform ship on one pallet, which shortens the paperwork and the freight bill.

Application Scenarios

Mixed container for a distributor

A quarterly container is filled across families — intake, charge air, coolant and thermostat lines — to a single packing list. Here the thermostat housing assembly is ordered against 06A121513 and travels with the rest of the Audi branch.

Scheduled cooling-system overhaul

The vehicle is in for a coolant leak and the workshop replaces the whole branch at once rather than chasing the next failure in a month. For 06A121513 the practical step is confirming the opening temperature, the housing outline and whether the unit is map-controlled before the order is placed.

Warranty-expired fleet maintenance

A fleet past dealer coverage moves to independent supply and needs the same reference coverage at a working price. Here the thermostat housing assembly is ordered against 06A121513 and travels with the rest of the Audi branch.

Who It Is For

• Exporters and consolidators — shipping mixed cooling-system pallets into Europe, the Middle East and South America. For them 06A121513 is a line on a shelf, not a project.
• Aftermarket distributors — stocking cooling-system lines for Audi across a regional network and needing a reference-accurate catalogue behind the shelf. What they need from 06A121513 is that it fits the Audi on the ramp today.
• Workshop and fast-fit chains — replacing thermostat housing assemblys on Audi daily and judging a supplier on whether the part fits first time. They order 06A121513 by the carton and reorder against the same number.

Problems It Solves

Reference mismatch

Visually identical parts carry different connector geometry between model years. Quoting OEM 06A121513 and 06A121111 fixes the identity before money moves. On 06A121513 that is settled before the quotation goes out.

Split ordering

Sourcing one hose from one supplier and the matching flange from another doubles the freight and the paperwork for the same repair. On 06A121513 that is settled before the quotation goes out.

Parts that are no longer produced

When the original reference is dropped, the repair still exists. Sample-based production and mould development keep the line alive. For this thermostat housing assembly the answer is the reference, 06A121513, on every document.

Technical Features

The part serves the coolant control circuit and carries the wax element, housing, seals and — on mapped units — the heater and temperature sensor that govern warm-up. Material for this reference is confirmed per enquiry. The listed opening temperature is 95°C, which is the figure that has to match the vehicle.

Matched to the circuit the part serves. Confirm the compound against the reference before ordering, because visually identical parts are moulded in different materials.

Specifications

Values marked TBC are not stated on the source catalogue. They are confirmed in writing on the quotation rather than estimated here.

Comparison With the Alternatives

Use Guide

1. Confirm the reference

   Match OEM 06A121513 and 06A121111 against the number on the part you removed. Do not match on outline alone.

2. Check the interfaces

   Compare the opening temperature, the housing outline and whether the unit is map-controlled before the vehicle is stripped further.

3. Inspect on arrival

   Look for transit damage on sealing faces and connectors. Confirm the compound against the reference before ordering, because visually identical parts are moulded in different materials.

4. Fit with the original clamp style

   Reuse the clamp type the Audi platform was designed around, and fit any seal or O-ring supplied with 06A121513 rather than carrying the old one over.

5. Pressure check before handover

   Refill, bleed the circuit and check for cracked plastic housings at working temperature before the vehicle leaves.