Gates EMH120 Engine Crankcase Breather Hose - Air Pump To Valve

Gates EMH120 Crankcase Breather Hose

The Gates EMH120 is an OE-exact engine crankcase breather hose for emission control service. Built from rubber with molded push-in ends, it restores the crankcase ventilation and emission hose path on select BMW applications, including BMW 323i, 328i, 330i, and related models.

Gates Emission Control Hose products focus on direct-fit replacement construction and durable materials for emission system service. The EMH120 follows that approach with OE-style dimensions and molded form for a precise replacement on the air pump to valve hose route.

Key Features

• OE Exact replacement for emission control service
• Rubber construction for durability and service life
• Molded hose design with push-in ends
• 19 mm inside diameter at both ends
• 9.75 in. centerline length for the specified routing
• Compatible with BMW air pump to valve applications
• Gates part number EMH120

Detailed Description

The Gates EMH120 engine crankcase breather hose is engineered for emission control and crankcase ventilation routing where an OE-style replacement is required. Its molded rubber construction and push-in end design support a direct replacement profile, helping restore the intended hose path between the air pump and valve on covered BMW models. This part number, EMH120, is listed for 1999-2005 BMW 323i, 323Ci, 323ti, 325i, 325Ci, 325xi, 328i, 328Ci, 330i, 330Ci, and 330xi applications.

This part cross-references Rein ABV0104R and URO 11727555680 for the same application.

What It Helps Address

• Cracked or deteriorated emission hose material
• Air pump to valve hose leakage
• Improper crankcase ventilation routing
• Emission system performance issues caused by hose wear
• Fitment problems from a damaged OE hose

Installation Notes and Tips

Verify the hose route, end style, and dimensions before installation. The EMH120 uses push-in ends and a molded shape, so alignment with the original routing is important for proper seating. Confirm the vehicle application by year, model, and position before replacing the hose on BMW 323i, 328i, or 330i emission control systems.

Quality Assurance

Gates manufactures this Emission Control Hose line as an OE-exact replacement solution using high-quality materials for durability and service life. The EMH120 is built to restore the emission system to intended operation and performance.