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Engine intake valves are critical components responsible for regulating the airflow into your vehicle's combustion chambers. Selecting high-quality replacement valves ensures optimal engine performance, fuel efficiency, and longevity. Investing in the right intake valves can prevent costly repairs and maintain your car's power.
Convenient kit - includes intake manifold, valve cover and PCV tube assembly to completely address a common problem with GM 1.4L Ecotec engines
Complete repair - manifold failure often leads to valve cover failure, and PCV tube breaks during removal; this kit repairs all three related components
Improved design - included intake manifold is redesigned to correct a frequent PCV valve failure in the original equipment design
Effective fix - eliminates issues caused by failed PCV valve, including excessive oil consumption, irregular vacuum pressure, rough idle, trouble codes and other symptoms
[Vehicle Fitment-1]: Compatible with BMW 135i 2011-2013, 135is 2013, 335i 2011-2015, 335i xDrive 2011-2015, 335i GT xDrive 2014-2016, 435i 2014-2016, 435i Gran Coupe 2015-2016, 435i xDrive 2014-2016, 435i xDrive Gran Coupe 2015-2016, 535i 2011-2016, 535i...
[Vehicle Fitment-2]: Compatible with BMW 640i 2012-2018, 640i Gran Coupe 2013-2019, 640i xDrive 2014-2018, 640i xDrive Gran Coupe 2014-2019, 650i 2012-2018, 650i xDrive 2012-2018, 650i Gran Coupe 2013-2019, 650i xDrive Gran Coupe...
[Vehicle Fitment-3]: Compatible with BMW ActiveHybrid 3 2013-2015, ActiveHybrid 5 2012-2016, ActiveHybrid 7 2013-2015, Alpina B6 Gran Coupe 2016, Alpina B6 xDrive Gran Coupe 2015-2019, Alpina B7/Alpina B7 xDrive/Alpina B7L/Alpina B7L xDrive 2011-2015.
[Vehicle Fitment-4]: Compatible with BMW M2 2016-2019, M235i 2014-2016, M235i xDrive 2015-2016, M3 2015-2018, M4 2015-2020, M5 2012-2016, M6 2012-2018, M6 Gran Coupe 2014-2019, X1 2013-2015, X3 2011-2017, X4 2015-2018, X5 2010-2018, X6 2008-2019.
Fitment: for BUICK LACROSSE 2.4L 2384CC 145CID L4 DOHC, (16 VALVE) 2010-2011; 2012-2016 for BUICK LACROSSE 2.4L 2384CC 145CID L4 ELECTRIC/GAS DOHC, (16 VALVE); 2012-2015 for CHEVY CAPTIVA SPORT 2.4L 2384CC 145CID L4 FLEX DOHC, (16 VALVE); 2010-2017 for...
OEM Part Number: For 12596034, 12615936, 24434464, 24454518, 90537239, 55192156, 55563529
Function: Intake and exhaust valves help improve the efficiency of the engine's intake and exhaust. Smoother air intake enables the engine to draw in more air, which improves combustion efficiency and increases the engine output and torque
Quality Material: Intake valve kits adopts high-strength alloy steel. It can withstand the high temperature and high pressure environment inside the engine as well as frequent mechanical impacts, and has good abrasion resistance and fatigue resistance to...
4️⃣ Boost Engine Performance: This camshaft position actuator solenoid valve provides accurate timing data to your engine control unit. The camshaft actuator helps maximize power, improve fuel efficiency, and reduce emissions, ensuring your engine...
Last update on 2026-10-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Engine Intake Valves
Signs of Wear and Replacement Needs
Symptoms of failing intake valves include rough idling, hesitation during acceleration, engine knocking, and a significant decrease in power. Blue smoke from the exhaust can indicate oil leaking past worn valve seals. If you suspect valve issues, a compression test or leak-down test can help diagnose the problem. Regular engine maintenance can help identify wear before it becomes severe.
Frequently Asked Questions
What happens if an intake valve fails?
A failed intake valve can cause a loss of engine compression, leading to misfires, reduced power, and poor fuel economy. In severe cases, it can result in significant engine damage if not addressed promptly.
Are all intake valves universal?
No, intake valves are not universal. They are specific to the make, model, year, and engine of a vehicle. Using the wrong size or type can cause serious engine problems.
What is the difference between intake and exhaust valves?
Intake valves control the flow of the air-fuel mixture into the cylinder, while exhaust valves control the release of burnt gases. They operate under different temperature and pressure conditions and are often made from different materials.
How often should intake valves be replaced?
Intake valves are typically designed for the life of the engine and do not have a set replacement interval. They are usually replaced only when they show signs of wear or damage, often during an engine rebuild.
Can I replace intake valves myself?
Replacing intake valves is a complex engine repair that requires specialized tools and mechanical knowledge. It is generally recommended to have this work performed by a qualified mechanic.
What are the benefits of stainless steel intake valves?
Stainless steel intake valves offer excellent corrosion resistance and durability. They can withstand high temperatures and pressures, making them a reliable choice for many engine applications.
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