Audi Coolant Pipe - Genuine Audi 06E121045BB

OEM Audi Coolant Pipe (Genuine Audi Part # 06E121045BB)

Restore factory cooling system reliability to your supercharged Audi powerplant with the Genuine Audi coolant supply and crossover pipe. Engineered specifically for the 3.0T V6 engine, this OEM component routes vital engine coolant between cylinder heads and directly to the upper radiator hose circuit, maintaining precise thermal regulation under high-performance driving conditions.

Over years of heat cycles and constant pressure, factory composite plastic coolant lines become brittle, prone to micro-cracking, and susceptible to coolant leaks. Replacing a failing or weeping pipe with this authentic OEM part ensures a seamless, leak-free fit that aftermarket alternatives often struggle to replicate.

Key Features & Benefits

• Direct OEM Fitment: Manufactured to original factory specifications for precise alignment with stock hoses, seals, and mounting tabs.

• OE Thermal Durability: Constructed from high-grade, heat-resistant composite material designed to withstand extreme engine bay temperatures without warping or degrading.

• Prevents Overheating: Restores proper coolant flow pathways to protect your engine from costly thermal damage and coolant loss.

• Superseded Part Compatibility: Direct replacement for previous factory revisions, including part numbers ending in AA, AJ, and AK.

Vehicle Application Fitment

• Audi B8/B8.5 S4 (2013–2015)

• Audi B8/B8.5 S5 / S5 Cabriolet (2013–2017)

• Audi C7/C7.5 A6 Quattro (2012–2015)

• Audi C7/C7.5 A7 Quattro (2012–2015)

• Audi B8.5 Q5 / SQ5 (2013–2017)

• Audi D4 A8 (2013–2014)

• Volkswagen Touareg Hybrid (3.0L V6)

Note: Because aging plastic lines become exceptionally fragile, it is highly recommended to inspect surrounding O-rings, thermostats, and crossover components, and refresh your coolant at the time of replacement.