Genuine Audi Engine Coolant Bypass Pipe Bolt N10405604 OEM - Audi (N-104-056-04)

Genuine Audi Engine Coolant Bypass Pipe Bolt is a precision-engineered fastener designed to secure the coolant bypass pipe assembly in Audi vehicles, ensuring a leak-free, properly torqued connection within the engine cooling circuit. Also referenced as an ABS Modulator Bolt, Mount Bracket Bolt, Support Bolt, or Engine Coolant Pipe Bolt, this component plays a critical role in maintaining correct coolant flow and system pressure across a wide range of Audi models and model years. Choosing the Audi OEM Engine Coolant Bypass Pipe Bolt over aftermarket alternatives matters more than it might seem for a fastener. Coolant system bolts must meet exact thread pitch, tensile strength, and corrosion-resistance specifications to withstand constant thermal cycling, vibration, and exposure to coolant chemicals. Aftermarket substitutes frequently use inferior alloys or incorrect thread tolerances, leading to stripped threads, micro-leaks, or premature failure that can compromise your entire cooling system. The genuine OEM part number N10405604 guarantees a factory-precise fit, proper torque retention, and long-term durability engineered specifically for Audi applications — giving you confidence that no generic replacement can match. Audi Henderson is an authorized Audi dealer, meaning every genuine part sold through our store is backed by the manufacturer's warranty and Audi's strict quality standards.