Motorad CH3116 Engine Coolant Outlet Flange

Engine Coolant Outlet Flange Overview

The Motorad CH3116 engine coolant outlet flange is a standard replacement cooling system component built to OEM quality standards. It is made from black plastic and uses a pre-installed rubber O-ring seal for a secure, leak-resistant connection.

Key Features

• Standard replacement coolant outlet flange for select Audi and Volkswagen applications
• Manufactured by an OE supplier to OEM quality standards
• Plastic construction with a black finish
• Pre-installed rubber O-ring seal for simplified sealing
• Bolt-on mounting design with two mounting holes
• Thermal shock validated and 100% leak tested

Detailed Description

Motorad CH3116 is engineered for cooling system service where a reliable outlet flange is required to maintain proper coolant flow and sealing. The flange features a single outlet, a bolt-on mounting style, and a gasket/seal already in place, helping support a clean replacement on compatible Audi A3, Audi A4, Audi Q5, Volkswagen GTI, and Volkswagen Jetta applications. The CH3116 part number is also referenced for cross-application matching, including Gates CO34954 and OE reference 06K121132.

This coolant outlet flange is used in a wide range of Audi and Volkswagen models, including Audi A3 Quattro, Audi Q7, Volkswagen Atlas, and Volkswagen Tiguan. The CH3116 design focuses on fitment-specific cooling system service, with inlet and outlet port dimensions that match the intended application and a rubber seal material chosen for sealing performance under thermal cycling.

Common Problems It Can Address

• Coolant seepage at a cracked or worn outlet flange
• Leak paths caused by a flattened or damaged seal
• Cooling system service needs after plastic housing deterioration
• Improper sealing at the coolant outlet connection
• Replacement of a failed flange on select Audi and Volkswagen engines

Installation Notes and Quality

Install the CH3116 on the correct vehicle application and verify port alignment, bolt-hole spacing, and seal seating before tightening. The part is supplied without mounting hardware, so reuse or replacement of fasteners should be handled according to the vehicle service procedure. Motorad states that this flange is thermal shock validated and 100% leak tested, and it is manufactured to OEM quality standards by an OE supplier.