The 06A 121 132AP coolant flange by URO Parts is an OE-style direct-fit replacement for VW Golf IV, Jetta IV, and Audi TT MKI 1.8T applications. Manufactured under ISO 9000 quality standards, this 4-outlet flange with sensor hole includes an O-ring for a complete, leak-free installation.
$15.00
The 06A 121 132AP coolant flange by URO Parts is an OE-style replacement used on select Volkswagen and Audi 1.8T applications. This 4-outlet flange with sensor hole mounts on the driver side of the cylinder head, providing properly aligned connection points for multiple coolant hoses to route coolant between the cylinder head, radiator circuit, and heater system to maintain stable operating temperature. Manufactured under ISO 9000 quality standards, URO Parts produces this flange to meet or exceed OEM specifications, and the part includes an O-ring for a complete installation.
Coolant flanges are a common leak point as they age. Constant heat cycling and cooling system pressure cause the original plastic housing to become brittle, warp, or crack — leading to coolant seepage, dried residue around the flange area, low-coolant warnings, and potential overheating. Replacing the failing unit with this URO 06A 121 132AP flange restores a tight seal and dependable coolant flow.
Early signs of a failing coolant flange include visible coolant seepage or dried pink/orange residue around the flange body and hose connections on the driver side of the cylinder head. A persistent coolant odor after driving, unexplained drops in coolant reservoir level, or a low-coolant warning light are additional indicators. Physical inspection may reveal a visibly brittle, cracked, or warped plastic housing. In advanced cases, a failed flange can cause sudden coolant loss and rapid engine overheating. Addressing these symptoms promptly protects the engine from heat-related damage.
OEM Reference: 06A 121 132AP; also replaces 06A 121 132D, 06A 121 132G, 06A 121 132Q
Brand: URO Parts — OE-style European replacement supplier; manufactured under ISO 9000 quality standards
4-outlet design with sensor hole; mounts on the driver side of the cylinder head
Includes O-ring for a complete, leak-free installation
Durable composite construction designed for coolant and heat exposure
Precision-molded ports for correct hose routing and factory-style fit
Helps prevent leaks and maintains proper engine temperature
Install the included O-ring during assembly and replace any related sensor O-rings at the same time. Use new hose clamps if the originals are weak 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 132AP
06A 121 132D
06A 121 132G
06A 121 132Q
URO Parts URO-000189
| Weight | 0.55 lbs |
|---|---|
| Dimensions | 7.0 × 6.0 × 4.0 in |
| Year | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2000, 2002 | Audi | TT | 1.8T | |
| 2000, 2006 | Volkswagen | Golf IV | 1.8T | |
| 2000, 2006 | Volkswagen | Jetta IV | 1.8T |
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