The Best Volkswagen Radiator Cooling Parts

Everything to Know to Keep Your Radiator in Good Condition

Radiator and cooling components keep your engine’s temperature in check, especially during heavy driving or warm weather. For Volkswagen Tiguan owners, staying ahead of radiator maintenance is crucial. If you're finding puddles under your SUV, it might be time to have your cooling system checked by a professional.

Which Parts of the Radiator Often Wear Out Fast?

  • Radiator hoses – soften or crack due to engine heat cycles
  • Hose clamps – loosen over time and cause leaks
  • Radiator core – may corrode or clog with debris internally
  • Coolant reservoir – may crack and leak under pressure
  • Thermostat – can stick open or closed, disrupting coolant flow

What to Do When a Radiator Hose Is Leaking?

First, let the engine cool completely. Inspect the hose for visible cracks or bulges. Temporarily patch with tape in emergencies, but promptly replace the hose and clamp using OEM-quality parts to prevent engine damage.

Expert Tips to Maintain Your Volkswagen's Radiator

Flush the Coolant Regularly

Drain and refill your coolant every 2–3 years to prevent rust and buildup inside the radiator.

Inspect Hoses at Each Oil Change

Look for bulges, cracks, or soft spots to catch wear early.

Monitor Coolant Levels Weekly

Low levels could mean there’s a slow leak or internal coolant loss.

Use Only VW-Specified Coolant

Mixing incompatible coolants can damage internal components and lead to costly repairs.

For added protection, invest in OEM splash guards to shield your engine bay from debris. Order here for exclusive discounts on OEM Volkswagen parts. Need help? Contact us today.

5C0121049F - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 5C0-121-049-F
Auxiliary Radiator. Vin code s or t, auxiliary. 2014-17, auxiliary.
$122.95
MSRP $176.65
Save $53.70
30.4% Off
77121102 - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 077-121-102
4.2L. Right Pipe to Rear Bypass Pipe Assy.
$17.48
MSRP $29.38
Save $11.90
40.5% Off
1EA122101CG - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 1EA-122-101-CG
ID.4. Radiator upper. Rwd.
$33.37
MSRP $57.04
Save $23.67
41.5% Off
1K0121049EB - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 1K0-121-049-EB
Primary Radiator. Assembly. Incl.Upper and Lower Hoses.
$240.69
MSRP $345.82
Save $105.13
30.4% Off
1J0122101A - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 1J0-122-101-A
Jetta. 1.9l tdi. 1.9L diesel, 2004-06, manual trans.
$132.23
MSRP $189.98
Save $57.75
30.4% Off
1N3122101B - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 1N3-122-101-B
$16.36
MSRP $27.50
Save $11.14
40.5% Off
1H0121051C - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 1H0-121-051-C
$89.31
MSRP $128.32
Save $39.01
30.4% Off
3C0122051BQ - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 3C0-122-051-BQ
2.0L, return. CC.
$148.47
MSRP $213.32
Save $64.85
30.4% Off
3Q0121101G - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 3Q0-121-101-G
Auxiliary Radiator.
$45.59
MSRP $64.95
Save $19.36
29.8% Off
1C0122051Q - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 1C0-122-051-Q
Convertible, 2.5L, return.
$97.43
MSRP $139.98
Save $42.55
30.4% Off
1EA121051T - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 1EA-121-051-T
ID.4. Radiator lower. Rwd.
$43.16
MSRP $61.48
Save $18.32
29.8% Off
5WA122051AE - : Radiator Coolant Hose for Volkswagen Image

Radiator Coolant Hose

Volkswagen 5WA-122-051-AE
Auxilary Cooling. Location-Right Wheel Arch. Aux radiator, right side.
$13.55
MSRP $22.78
Save $9.23
40.5% Off

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