2016 Audi A3 Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

16 Coolant / Antifreeze parts for the 2016 Audi A3 come from 6 brands — PRESTONE, PEAK, PENTOSIN and 3 other brands. The "Popular" part is FVP MV5050GAL. 11 parts fit every engine; the other 5 are engine-specific.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PRESTONE, VALVOLINE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, PENTOSIN, AISIN, PEAK and 1 other brand supply 6 parts: built to original-equipment specification. A representative part number is AISIN ACE010.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

7 Coolant Hose / Pipe parts for the 2016 Audi A3 come from 4 brands — REIN, VAICO, ÜRO PARTS and 1 other brand. The "Popular" part is REIN CHP0663.

Listed part numbers: REIN CHP0663, ÜRO PARTS 06L121131PRM and REIN CHE1012, plus the other parts above.

This table covers the seals at the Coolant Hose / Pipe. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Coolant Hose / Pipe Seal parts are listed for the 2016 Audi A3, from AJUSA, DORMAN, FEL-PRO and 1 other brand.

This group includes AJUSA 16117100, AJUSA 16098500 and DORMAN 47451 and the remaining parts above.

This table covers the Coolant Hose Connector flanges. Read more

25 Coolant Hose Connector / Flange parts for the 2016 Audi A3 come from 7 brands — VAICO, MOTORAD, DORMAN and 4 other brands. The "Popular" part is DORMAN 627002. 3 parts fit every engine; the other 22 are engine-specific.

The Economy section: 5 options from DORMAN, SKP and VAICO. DORMAN 627002 is listed in this group.

Standard Replacement: 19 parts, from VAICO, MOTORAD, REIN and 1 other brand. A representative part number is REIN CHC0730.

1 further part sits outside the graded sections, with the same engine-level match.

This table covers the Coolant Hose Flange plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

This group shows a single part: ÜRO PARTS 357121140.

This table covers the Coolant Hose retainers and clips. Read more

This group shows a single part: BECK/ARNLEY 1470039.

This table covers the Coolant Pipe adapters. Read more

One part is listed for the 2016 Audi A3 — ÜRO PARTS 06K121143PRM.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

10 Coolant Reservoir parts are listed for the 2016 Audi A3, from TECHPRO, VARIOUS MFR, REIN and 4 other brands. REIN EPT0142 carries the "Popular" badge.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

5 Coolant Reservoir Cap parts are listed for the 2016 Audi A3, from MOTORAD, CALORSTAT, DORMAN and 2 other brands. MOTORAD T49 carries the "Popular" badge. 2 parts fit every engine; the other 3 are engine-specific.

Listed part numbers: MOTORAD T49, CALORSTAT RC0162 and DORMAN 54019, plus the other parts above.

This table covers the adapters used to pressure-test this cooling system. Read more

2 Cooling System Tester Adapter parts for the 2016 Audi A3 come from MOTORAD.

Listed part numbers: MOTORAD 3036 and MOTORAD 3037.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

12 Intercooler parts for the 2016 Audi A3 come from 10 brands — NISSENS, GPD, SPECTRA PREMIUM and 7 other brands. The "Popular" part is NISSENS 96494.

This table covers the Intercooler Air Hose pipes. Read more

7 Intercooler Air Hose / Pipe parts for the 2016 Audi A3 come from 2 brands — GATES and VAICO. The "Popular" part is GATES 26475.

Part numbers include GATES 26475, GATES 26491 and GATES 26474, among others listed above.

This table covers the Intercooler mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

REIN supplies both parts for the 2016 Audi A3.

Listed part numbers: REIN AVM0728 and REIN AVM0696.

This table covers the Inverter coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

One part is listed for the 2016 Audi A3 — KOYORAD A14021.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

30 Radiator parts for the 2016 Audi A3 come from 11 brands — NISSENS, MAHLE / CLEVITE, DENSO and 8 other brands. The "Popular" part is CSF 3974. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 10 parts from MAHLE / CLEVITE, NISSENS, CSF and 5 other brands.

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

This group shows a single part: VAICO V100890.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

10 Radiator Fan Assembly parts are listed for the 2016 Audi A3, from TECHPRO, SKP, GPD and 6 other brands. SKP SK621320 carries the "Popular" badge.

Economy: 4 parts, from SKP, GPD, TECHPRO and 1 other brand. A representative part number is SKP SK621320.

The Standard Replacement section: 5 options from AGILITY, TYC, FOUR SEASONS and 2 other brands. AGILITY 6010318 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

5 Radiator Hose parts are listed for the 2016 Audi A3, from GATES, REIN and DAYCO.

This group includes DAYCO 73068, GATES 52060 and GATES 51824 and the remaining parts above.

This table covers the Radiator mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

5 Radiator Mount parts are listed for the 2016 Audi A3, from REIN and VNE.

Listed part numbers: REIN AVM0720, REIN AVM0728 and REIN AVM0696, plus the other parts above.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

29 Temperature Sender / Sensor parts for the 2016 Audi A3 come from 16 brands — STANDARD MOTOR PRODUCTS, GPD, VEMO and 13 other brands. The "Popular" part is HOLSTEIN 2CTS0490. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 17 parts.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

34 Thermostat parts are listed for the 2016 Audi A3, from VEMO, CALORSTAT, MOTORAD and 8 other brands. AISIN THRVG0014 carries the "Popular" badge. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by CALORSTAT, MOTORAD, AISIN and 6 other brands.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

11 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2016 Audi A3 come from 6 brands — FEL-PRO, MAHLE / CLEVITE, FACET and 3 other brands. The "Popular" part is ELRING 453710.

This table covers the housings and outlets the thermostat sits in. Read more

12 Thermostat Housing / Water Outlet parts are listed for the 2016 Audi A3, from MOTORAD, GATES, VEMO and 2 other brands. GATES CO35043 carries the "Popular" badge.

Economy: 1 part, from VEMO. A representative part number is VEMO V15992116.

The Standard Replacement section: 4 options from GATES, FOUR SEASONS and MOTORAD. GATES CO35043 is listed in this group.

7 ungrouped parts are not assigned to a grade, with the same engine-level match.