SKU: 06E121119H
Audi Genuine Coolant Pipe O-ring - 06E121119H

This o-ring is designed to seal the crucial connection point between the engine's hard coolant crossover pipe (water pipe) and the thermostat housing assembly. Its primary job is to maintain a tight, leak-free junction capable of handling the high temperatures and pressures of the vehicle's cooling system.

It is highly recommended to replace this o-ring any time the thermostat housing or the hard coolant pipes are removed or disturbed during service, as the original seal flattens and degrades over time due to heat cycles.

Technical Specifications

• Dimensions: 23mm x 28.4mm x 4.5mm (Often abbreviated in catalog descriptions as 28 x 4.5mm)

• Placement: Main, center cooling system junction (Crossover pipe to thermostat)

• Replaces Older Part Number: 06E121119C (06E-121-119-C)

Common Vehicle Fitments

This part is widely used across Volkswagen Audi Group (VAG) platforms, most notably on vehicles equipped with the 3.0L V6 Supercharged (3.0T) engine, spanning roughly from 2009 to 2017. Common models include:

• Audi S4 / S5 / SQ5

• Audi A6 / A7 / A8 (Quattro models)

• Audi Q5 / Q7

• Brand: Audi

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