Mackay Lower Radiator Hose – Perfect Fit for BMW X3 E83 3.0L (M54 B30 3.0i 170kw)

Upgrade your cooling system with the Mackay CH5520 Lower Radiator Hose, engineered in Australia to meet or exceed original equipment (OE) standards. Designed as a direct OE replacement, this high-quality radiator hose is specifically crafted for the BMW X3 E83 3.0L M54 B30 3.0i 170kw, ensuring reliable and consistent cooling performance right where you need it—at the lower radiator position.

Premium Materials & Advanced Reinforcement

Constructed from durable EPDM rubber, this hose offers exceptional resistance to heat, water, and ozone, safeguarding your engine against electrochemical degradation (ECD). Its embedded Aramid/Rayon lockstitch reinforcement delivers superior strength, helping it endure high pressure and the harsh conditions of the engine bay.

Certified Quality for Peace of Mind

The Mackay Lower Radiator Hose is ISO certified and meets SAE J20R4 Type EC Class D-1 and Class D-2 standards, guaranteeing uncompromised quality and safety. Please note, this hose is intended strictly for water and coolant transfer and is not suitable for fuel, oil, or brake fluid.

Vehicle Fitment & Compatibility

• Fits: BMW X3 E83 3.0L, M54 B30 3.0i 170kw, Lower Radiator Position
• Does NOT fit diesel or other engine variants such as M57 D30 TU 3.0d or N52 B30 3.0si models; see fitment warnings carefully.

Why Choose Mackay?

With over 85 years of automotive manufacturing excellence, Mackay is a trusted Australian brand known for innovation and unmatched quality. From pioneering rubber-to-metal bonding in the FX Holden to supplying parts worldwide, Mackay stands for durable, high-performance automotive components.

Key Features:

• Direct OE replacement for BMW X3 E83 3.0L (M54 B30 3.0i) lower radiator hose
• Premium EPDM rubber material with ECD resistance
• Aramid/Rayon lockstitch reinforcement for durability under pressure
• ISO and SAE J20R4 certified for quality and safety
• Engineered exclusively for coolant and water transfer
• Made in Australia with decades of automotive expertise

Ensure your BMW’s cooling system operates at peak efficiency with the reliable Mackay Lower Radiator Hose. Order now for a perfect fit and lasting performance!