This ventilation hose is a direct replacement for the original Toyota unit, designed to route blow-by gases from the crankcase back into the intake system.
The OEM reference number is 12262-0H050. Toyota‘s parts catalog designates this component as “HOSE, VENTILATION, NO.2” .
The hose is engineered to OEM standard dimensions for direct fitment onto the engine without modification.
It is primarily designed for the 1AZ-FE and 2AZ-FE engine families, covering the Toyota Camry (ACV51), RAV4 (ACA3#), and additional applications including the Alphard and Estima in certain markets .
This product is a crankcase ventilation hose manufactured to meet original quality standards for fit, heat resistance, and durability.
Part Number: 12262-0H050
Component Type: Ventilation Hose No.2 / PCV Hose
Vehicle Make: Toyota
Engine Compatibility: 1AZ-FE, 2AZ-FE
Primary Fitment: Camry ACV51, RAV4 ACA3#
Material: Rubber
Note: Clips and mounting hardware are typically separate parts
OEM Standard Fit: Manufactured to exact original specifications for a direct, hassle-free replacement.
Emissions Control: Properly routes crankcase blow-by gases to reduce oil vapor release and maintain emissions compliance.
Heat-Resistant Construction: Built with rubber materials resistant to engine bay heat and oil exposure.
Cost-Effective Maintenance: An ideal alternative to costly dealership parts for routine PCV system service.
Toyota Camry (ACV51, 1AZ-FE): 2011–2015
Toyota RAV4 (ACA3#, 1AZ-FE/2AZ-FE): 2009–2011
Additional applications may include Toyota Alphard and Estima with 1AZ/2AZ engines
Note: Verify against your vehicle’s original part number and engine code before ordering, as fitment may vary by market and production period.
Q1: Is this a genuine Toyota part?
A: This listing refers to a replacement part manufactured to meet or exceed OEM standards. The 12262-0H050 reference is the original equipment part number. Both genuine Toyota and aftermarket equivalents are available that match the original fit and function.
Q2: How do I confirm if it fits my vehicle?
A: Check your vehicle‘s existing part number. If your current ventilation hose is stamped with 12262-0H050, this replacement will fit. Also confirm your vehicle is equipped with the 1AZ-FE or 2AZ-FE engine and matches one of the models listed above.
Q3: What is the function of this hose?
A: This ventilation hose routes blow-by gases from the crankcase back into the intake manifold to be burned during combustion. A cracked or degraded hose can cause rough idle, oil leaks, and increased emissions. Inspect the hose for cracks or soft spots during routine maintenance.