Standard Ignition V804 Engine Crankcase Breather Hose

Engine Crankcase Breather Hose for Toyota Applications

Standard Ignition V804 is an engine crankcase breather hose for emission control and crankcase ventilation service. It is built with a protective sleeve and supplied as the hose only, making it a direct replacement choice for select Toyota Corolla, Prius, and Prius Prime applications.

Use V804 when servicing crankcase ventilation routing on a Toyota Corolla, Toyota Prius, or Toyota Prius Prime. The hose is listed for specific model years and positions, including lower unit coverage on select Corolla applications.

Key Features

• Engine crankcase breather hose for emission control service
• Protective sleeve included for added hose protection
• Hose only; clamp included: No
• Mounting hardware included: No
• Standard Ignition V804 replacement part number

Fitment Details

• Fits 2023 Toyota Corolla, N/A
• Fits 2019-2022 Toyota Corolla, N/A, Lower Unit
• Fits 2020-2022 Toyota Prius, N/A
• Fits 2016-2018 Toyota Prius, N/A
• Fits 2017-2022 Toyota Prius Prime, N/A

What This Hose Helps Address

• Cracked or hardened crankcase breather hose material
• Oil vapor routing issues in the crankcase ventilation system
• Air leaks caused by a damaged breather hose
• Emission control service needs tied to crankcase ventilation
• Replacement of a worn hose on Toyota Corolla, Prius, or Prius Prime models

Installation Notes and Tips

Verify the vehicle year, model, and listed position before ordering. Because clamps and mounting hardware are not included, reuse or source the required service parts as needed during installation. Confirm hose routing and fitment against the original part before final assembly.

Quality Assurance

Standard Ignition V804 is a cataloged replacement part with listed interchange references for the same application. This part cross-references 2-9875 and PCV889 for the same application.