01AUTOMOTIVE REPAIR & SPECIALITY TOOLS
Precision for the crankcase
Tucked away within the engine bay, this valve manages the quiet rhythm of crankcase ventilation. Its compact form fits seamlessly into the mechanical architecture of your vehicle, ensuring that internal pressures remain balanced without demanding attention.
Designed for car enthusiasts and mechanics alike, it reduces exhaust emissions and maintains stability across daily commutes and long-distance travel. The unit suits a range of vehicle models, offering a straightforward upgrade for those who value reliability.


02MATERIALS
Composite strength in a lightweight frame
Constructed from high-grade composite materials, the valve is twenty percent lighter yet thirty-five percent stronger than conventional units. This blend of heat-resistant plastic and metal components withstands extreme temperatures and pressures, preventing aging-related failures while maintaining structural integrity over time.

04INSTALLATION
A ten-minute swap for the workshop
Included clear instructions guide the installer through the process, allowing most enthusiasts to complete the fit within ten minutes. The component measures approximately 64.5 by 80 millimetres, a size that accommodates manual measurement variances of one to two centimetres. It replaces part numbers 12637666, 12641875, 12665644, and 12685407.
PACKAGING
Compact carton for easy storage
The product arrives in a packing carton measuring 11 by 22 by 33 centimetres. This size is convenient for storing in a garage shelf or tool chest until needed. The black finish of the valve itself contrasts subtly with the packaging, indicating the durable nature of the internal components.
AT A GLANCE
The key points
- High-grade composite construction is 20 percent lighter than standard valves
- Approximately 64.5 by 80 millimetres in size
- Fits part numbers 12637666, 12641875, 12665644, 12685407
- Clear instructions guide installation within ten minutes
- Black finish with heat resistant plastic and metal components
About this product
Features: Enhanced Engine Performances: This Valves features advanced design to reduce crankcase pressure, improving Fuels efficiency and power output. Suitable for Multiple Vehicles , , , , , Envision, and , , models for Multiple Vehicles optimal Performances. Emission Control: Reduces exhaust emissions by 15% compared to standard valves, meeting strict environmental regulations. With less than 3% failure rate, it ensures long lasting reliability and lower maintenance costs for Multiple Vehicles vehicle owners. Easy Installation: Produced of heat resistant plastic and metal components for Multiple Vehicles durability across various conditions. Comes with clear instructions for Multiple Vehicles installation within 10 minutes, suitable for Multiple Vehicles most car enthusiasts and mechanics. Uses high grade composite materials that are 20% lighter yet 35% more Strong than conventional valves. Tested under extreme temperatures and pressures to prevent aging related failures. Maintains engine stability for Multiple Vehicles daily commutes, family trips, and long distance travel. Helps prevent engine issues during extended journeys while enhancing overall driving comfort and safety. Specifications: Component : plastic Size: approx 64.5X80mm/2.53X3.14Inch Part numbers: 12637666, 12641875, 12665644, 12685407 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for Multiple Vehicles your understandings. Package includes: 4X Crankcase Ventilation Valves High Performances PCV Valves Strong Plastic Crankcase Vent Valves 12665644 12637666 for Multiple Vehicles ATS UseStrong Plastic Crankcase Vent Valves Engine PCV Valves Replacements Part 12665644 Suitable for Multiple VehiclesHigh Performances PCV Valves 12665644 12637666 for Multiple Vehicles ATSStrong Plastic Crankcase Ventilation Valves 12665644 for Multiple Vehicles ATS















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