The 06A 121 132AP coolant flange by Febi Bilstein is an OE-quality direct-fit replacement for VW Golf IV, Jetta IV, and Audi TT MKI 1.8T applications. Features a 4-outlet design with sensor hole, mounts on the driver side of the cylinder head, and includes a seal ring for a complete installation.
$10.00
The 06A 121 132AP coolant flange by Febi Bilstein is an OE-quality 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 for stable operating temperature. Manufactured by Febi Bilstein a German supplier producing OE-quality parts since 1844 . his flange matches factory specifications and includes a seal 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 Febi 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: Febi Bilstein — OE-quality German replacement supplier, manufacturing since 1844
4-outlet design with sensor hole; mounts on the driver side of the cylinder head
Includes seal 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 seal 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
Febi Bilstein 29886
Motorad CH-6102
| Weight | 0.55 lbs |
|---|---|
| Dimensions | 7.0 × 6.0 × 3.0 in |
| Year | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2000-2002 | Audi | TT | 1.8L | |
| 2000-2006 | Volkswagen | Golf | 1.8L | |
| 2000-2005 | Volkswagen | Jetta | 1.8L |
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