The 06A 121 133D coolant flange by VIKA is an OE-style direct-fit replacement for select Volkswagen and Audi 4-cylinder vehicles. Precision-molded construction ensures correct fit and reliable sealing.
$10.00
The 06A 121 133D coolant flange by VIKA is an OE-style replacement component used on select Volkswagen and Audi 4-cylinder engines (commonly associated with 1.8T and 2.0L applications, depending on model year and engine code). This flange mounts to the side of the cylinder head and provides correctly aligned connection points for multiple coolant hoses, directing coolant between the engine, radiator, and heater circuit to maintain stable operating temperature.
Constant heat cycling and cooling system pressure cause the original plastic housing to become brittle over time, leading to warping, cracking, and coolant seepage at the hose connections. Common signs include a coolant odor, wet or dried residue around the flange area, unexplained coolant level drops, and overheating risk. Replacing the worn unit with VIKA 06A 121 133D restores a proper seal and dependable coolant flow.
A failing coolant flange gives recognizable early warnings. Look for visible coolant seeping or dried pink/orange residue around the flange and connected hoses, a persistent coolant smell from the engine bay after driving, or unexplained drops in the coolant reservoir level. In advanced cases, a cracked housing may cause sudden coolant loss and rapid engine overheating. Physical inspection may reveal a visibly brittle, warped, or cracked plastic body. Prompt replacement prevents further coolant loss and protects the engine from heat damage.
OEM Reference: 06A 121 133D
Brand: VIKA — OE-style aftermarket replacement (Part No. 11210117501)
Multi-port design for correct coolant routing and hose alignment
Heat- and coolant-resistant composite construction
Precision-molded ports for a secure, leak-free hose interface
Helps prevent coolant loss and engine overheating
Replace the flange O-ring/gasket and any related seals during installation for best results. Use new hose clamps if the originals are worn or corroded. After installation, refill with VW/Audi-approved coolant and properly bleed the cooling system to remove trapped air before returning the vehicle to service.
Always verify fitment by VIN before ordering.
06A 121 133D
06A 121 132
VIKA 11210117501
FEBI BILSTEIN 29791
VAICO V10-0560
TOPRAN 108 197
| Weight | 0.65 lbs |
|---|---|
| Dimensions | 7.0 × 5.0 × 3.0 in |
| Year | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 1999-2006 | Volkswagen | Golf | 2.0L | |
| 1999-2005 | Volkswagen | Jetta | 2.0L | |
| 2000-2001 | Volkswagen | Jetta | 1.8L |
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