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OEM Audi Radiators Online

4F0121212H - : Auxiliary Radiator for Audi Image

Auxiliary Radiator

A6. 4.2L, auxiliary.
Backordered
4S0121275 - : Radiator Insulator for Audi Image

Radiator Insulator

Radiator Location-Front Left.
$14.77
MSRP $22.38
Save $7.61
34% Off
1J0121321B - : Radiator Cap for Audi Image

Radiator Cap

Location-Reservoir. Gas, main. Diesel, main. From Chassis/VIN 8D-T-308 001. From Chassis/VIN 8D-T-309 403.
$26.12
MSRP $39.59
Save $13.47
34% Off
4D0317867A - : Radiator Insulator for Audi Image

Radiator Insulator

$8.09
MSRP $12.25
Save $4.16
34% Off
4S7121321 - : Radiator Cap for Audi Image

Radiator Cap

Location-Reservoir.
$221.70
MSRP $315.82
Save $94.12
29.8% Off
8W0121218 - : Auxiliary Radiator for Audi Image

Auxiliary Radiator

S5. S4. Convertible, 3.0L, auxiliary.
$162.63
MSRP $231.67
Save $69.04
29.8% Off
4M0145804AA - : Auxiliary Radiator for Audi Image

Auxiliary Radiator

2.9 Liter Main. Supercharger Cooling. Fits Q7, S6 2.9 Liter, Main. 2017-19, Auxiliary, Inner. Q7 Inner. S7 Front (Secondary). S6....
$304.75
MSRP $441.65
Save $136.90
31% Off
4G0121212 - : Auxiliary Radiator for Audi Image

Auxiliary Radiator

$269.10
MSRP $383.34
Save $114.24
29.8% Off
8K0121212B - : Auxiliary Radiator for Audi Image

Auxiliary Radiator

Supercharger Cooling. Location-Wheel Arch. A7. Left radiator. A8. 3.0L, auxiliary. Without RS7, auxiliary. 3.0L, cooler & components,...
$269.10
MSRP $383.34
Save $114.24
29.8% Off
7L8121212A - : Auxiliary Radiator for Audi Image

Auxiliary Radiator

Gas, auxiliary. Q7. Supercharger Cooling.
$350.74
MSRP $508.32
Save $157.58
31% Off
8Y0121212 - : Radiator Assembly for Audi Image

Radiator Assembly

RS3. Auxillary.
Backordered
4F0317827K - : Radiator Bracket for Audi Image

Radiator Bracket

4.2L auxiliary.
Backordered

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Best Practices to Make Your Radiator Last

Keeping your Audi radiator healthy protects your engine from overheating and extends the lifespan of many connected systems. Here's what you should know about extending your radiator's life, which can help reduce your overall maintenance costs.

Why Is the Radiator Important?

The radiator is central to regulating engine temperature and preventing heat-related breakdowns, especially in high-output models like the A3 and Q7.

Which Parts in Your Audi Are Affected by Your Radiator

Your radiator directly impacts the engine, thermostat, coolant hoses, belts, and transmission cooler, making its maintenance critical.

Expert Radiator Maintenance Tips for Your Audi

1. Flush Coolant Every 2–3 Years.

Regular coolant flushes remove buildup that can clog your radiator.

2. Check Hoses for Cracks or Bulges.

Worn hoses reduce coolant flow and increase risk of leaks.

3. Don’t Ignore Temperature Spikes.

Sudden overheating is often tied to radiator inefficiency.

4. Use Only the Recommended Coolant Fluid.

Each Audi model requires a very specific type of coolant fluid.

5. Don't Mix Other Fluid Types or Additives.

Using additives which claim to "heal" your worn radiator or boost performance often end up damaging your cooling system.

Why Choose Genuine Audi Radiator Parts?

OEM radiators and cooling components guarantee optimal thermal control and long-term durability. These parts are designed, tested, and manufactured according to Audi's strict quality standards.

Choose Audi Parts Store for all your cooling system needs and enjoy amazing discounts. Reach out to our team anytime for expert support.