2019 Audi A4 Allroad 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 are listed for the 2019 Audi A4 Allroad, from PRESTONE, PEAK, PENTOSIN and 3 other brands. FVP MV5050GAL carries the "Popular" badge.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, FVP, PRESTONE, VALVOLINE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 6 options from PENTOSIN, AISIN, PEAK and 1 other brand — built to original-equipment specification. AISIN ACE010 is listed in this group.

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

3 Coolant Hose / Pipe parts are listed for the 2019 Audi A4 Allroad, from REIN and ÜRO PARTS.

Part numbers include REIN CHP0663, REIN CHE0958 and ÜRO PARTS 06L121131PRM.

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 for the 2019 Audi A4 Allroad come from 3 brands — MAHLE / CLEVITE, AJUSA and DORMAN. The "Popular" part is MAHLE / CLEVITE C32208.

Listed part numbers: MAHLE / CLEVITE C32208, AJUSA 16098500 and DORMAN 47451, plus the other parts above.

This table covers the Coolant Hose Connector flanges. Read more

6 Coolant Hose Connector / Flange parts are listed for the 2019 Audi A4 Allroad, from REIN, DORMAN, SKP and 2 other brands. DORMAN 627006 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 627006.

The Standard Replacement section: 4 options from REIN, MOTORAD and VAICO. MOTORAD CH8016 is listed in this group.

This group includes DORMAN 627006, SKP SK627006 and MOTORAD CH8016 and the remaining parts above.

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

One part is listed for the 2019 Audi A4 Allroad — ÜRO PARTS 357121140.

This table covers the Coolant Pipe adapters. Read more

This group shows a single part: ÜRO PARTS 06K121143PRM.

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

4 Coolant Reservoir parts for the 2019 Audi A4 Allroad come from 4 brands — HELLA, MAHLE / CLEVITE, REIN and 1 other brand.

This group includes HELLA 366365681, MAHLE / CLEVITE CRT255000S and REIN EPT0281 and the remaining parts above.

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

2 Coolant Reservoir Cap parts for the 2019 Audi A4 Allroad come from 2 brands — MOTORAD and ÜRO PARTS.

Listed part numbers: MOTORAD T111 and ÜRO PARTS 4M0121321Q.

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

5 Intercooler parts are listed for the 2019 Audi A4 Allroad, from NISSENS, GPD, HELLA and 2 other brands. NISSENS 961466 carries the "Popular" badge.

Part numbers include NISSENS 961466, GPD 2711413 and HELLA 366340871, among others listed above.

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

8 Radiator parts are listed for the 2019 Audi A4 Allroad, from NISSENS, GPD, VEMO and 4 other brands. TYC 13665 carries the "Popular" badge.

Economy: 2 parts, from GPD and VEMO. A representative part number is GPD 13665.

The Standard Replacement section: 6 options from NISSENS, TYC, UAC and 2 other brands. TYC 13665 is listed in this group.

This group includes TYC 13665 and VEMO V10600108 and the remaining parts above.

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

5 Radiator Fan Assembly parts for the 2019 Audi A4 Allroad come from 3 brands — VEMO, GPD and UAC. The "Popular" part is UAC FA50946C.

The Economy section: 4 options from VEMO and GPD. GPD 2812266 is listed in this group.

Standard Replacement: 1 part, from UAC. A representative part number is UAC FA50946C.

Listed part numbers: UAC FA50946C, GPD 2812266 and VEMO V15011943, plus the other parts above.

This table covers the shrouds that duct air through the fan and radiator. Read more

One part is listed for the 2019 Audi A4 Allroad — SKP SK621318.

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

3 Radiator Hose parts for the 2019 Audi A4 Allroad come from 2 brands — GATES and ÜRO PARTS.

Part numbers include GATES 51878, GATES 52459 and ÜRO PARTS 06L121081K.

This table covers the Radiator Insulator sleeves. Read more

This group shows a single part: REIN AVM0730.

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

This group shows a single part: REIN AVM0729.

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

16 Temperature Sender / Sensor parts are listed for the 2019 Audi A4 Allroad, from STANDARD MOTOR PRODUCTS, BECK/ARNLEY, VNE and 9 other brands. HOLSTEIN 2CTS0490 carries the "Popular" badge.

Economy: 5 parts, from HOLSTEIN, STANDARD MOTOR PRODUCTS, GPD and 2 other brands. A representative part number is HOLSTEIN 2CTS0490.

The Standard Replacement section: 11 options from BECK/ARNLEY, VNE, WALKER PRODUCTS and 5 other brands. BECK/ARNLEY 1580784 is listed in this group.

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

4 Thermostat parts for the 2019 Audi A4 Allroad come from 4 brands — BECK/ARNLEY, CALORSTAT, INA and 1 other brand.

Listed part numbers: BECK/ARNLEY 1430913, CALORSTAT TFS7195113J and INA XW0360, plus the other parts above.