8-98303447-0 CUP;HOSE,AIR BREATHER ISUZU for FRR/6HH1

The Critical Ventilation Path for the Crankcase or Drivetrain

The breather hose cup is a specialized plastic or rubber component that serves as the termination point or connecting interface for the air breather hose. It allows a controlled escape of pressure from the engine crankcase or gearbox, preventing the build-up of internal pressure that can blow out seals. It also acts as a splash guard, preventing oil or fluid from being expelled and reducing the risk of fluid contamination. This component is used across a wide range of Isuzu applications, including N-Series trucks (NKR, NPR), and D-MAX pickups equipped with 4JA1, 4JK1, 4JJ3, and 4JJ1-TC engines.

Durable Material for a Clean and Contained System

Isuzu Genuine breather hoses and their associated cups, caps, or clips are manufactured to exact OEM specifications, ensuring a precise and secure fit. They are constructed from high-quality, heat-resistant materials to withstand the harsh environment of the engine bay, along with continuous vibration, thermal cycling, and exposure to oil and moisture. A genuine cup ensures the breather system remains properly routed, clean, and free from clogs. This robust construction guarantees long-term reliability and prevents issues such as a restricted breather system, which can lead to fluid leaks from seals.