How to remove and install the valve cover on Mazda 3?

The first step towards removing the valve cover is to remove the battery cover and disconnect the cable with the negative battery terminal. Then loosen the upper engine cover using each side and lifting it off the central posts on the mounting. Removal of the single ignition coil assemblies of the spark plugs. Unplug electrical connectors of the oil control valve of the camshaft sprocket variable valve timing actuator, cylinder head temperature sensor and the camshaft position sensor. Disstrip the bracket with the valve cover stud that contains the wiring harness and put the harness off, followed by removing the engine oil dipstick. Remove the valve cover that has fasteners installed in the reverse order of the time of installation then remove the cover including the cover gasket which needs to be replaced whenever it has been disturbed without any damage to the sealing faces. To install, clean the cover, cylinder head gasket faces thoroughly, attach a new gasket to the valve cover, and make sure that the gasket is properly positioned. Place a small amount of RTV sealant on the top of the timing chain cover at the point of intersection of the valve and timing covers with the engine. Install cover to the cylinder head with the gasket in place when tightening the cover. Install the mounting bolts, one at a time by hand and then install them in the order to the desired torque. Lastly, reattach the battery and start the engine to ensure there is no leakage of oil.

How to remove and install a valve cover for four-cylinder engines on Mazda 6?

In order to be able to pull out the valve cover, you should first disconnect the negative battery cable and then detach the assemblies of individual ignition coils of the spark plugs. Then remove the electrical connectors of oil control valve, cylinder head temperature sensor and camshaft position sensor. Unscrew the wiring harness attachment on the valve cover stud and put the harness aside, then unscrew the engine oil dipstick. Successively loosen the valve cover with its retaining fasteners, observing captive spacer sleeve and rubber seal and remove the cover. Take off the cover gasket, changing it every time it is disturbed, and ensure that the sealing faces are in condition with rubber seals in place over the bolts, changing any damaged or worn seals. To install, clean up the cover and the face of the cylinder head gasket, install a new gasket into the valve cover, making sure that the rubber seals and spacer sleeves are in the correct locations. Place a dot of RTV sealant at the engine at the joints between valve cover and timing cover. Fit the bubble to the cylinder head in which the gasket should be in position as the cover is tightened. Install the bolts of the cover in a diagonal order starting at the center then tighten them by hand and finally to the required torque. Lastly, reconnect battery, switch on the engine and look at evidence of oil leakage.

Genuine Mazda Valve Cover

Cylinder Head Cover

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

76 Valve Covers found

View related parts
Mazda Valve Cover Part Number: 1F70-10-220
$114.95 MSRP: $153.30
You Save: $38.35 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head
Fits the following Mazda Models:
- B2300 | 2004-2009 | Base, SE | 4 Cyl 2.3 L GAS
View related parts
Mazda Valve Cover Part Number: CY01-10-210C
$116.89 MSRP: $155.88
You Save: $38.99 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover(Right), Head
- Position: Right
- Replaces: CY01-10-210A, CA60-10-210, CY01-10-210B
Fits the following Mazda Models:
- 6 | 2009-2013 | S | 6 Cyl 3.7 L GAS
- CX-9 | 2007-2015 | Grand Touring, Sport, Touring | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
View related parts
Mazda Valve Cover Part Number: CY01-10-2B0B
$120.00 MSRP: $160.03
You Save: $40.03 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover (Left), Head
- Position: Left
- Replaces: CA60-10-2B0, CY01-10-2B0C, CY01-10-2B0A
Fits the following Mazda Models:
- 6 | 2009-2013 | S | 6 Cyl 3.7 L GAS
- CX-9 | 2007-2015 | Grand Touring, Sport, Touring | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
View related parts
Mazda Valve Cover Part Number: L3G3-10-210E
$160.89 MSRP: $214.56
You Save: $53.67 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Head; Valve Cover
Fits the following Mazda Models:
- 6 | 2006-2008 | i, Mazdaspeed | 4 Cyl 2.3 L GAS
View related parts
Mazda Valve Cover Part Number: PY01-10-210A
$234.90 MSRP: $313.26
You Save: $78.36 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: PY01-10-210
Fits the following Mazda Models:
- 3 | 2014-2024 | 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Grand Touring, Preferred, Premium, s Grand Touring, s Touring, Select, Select Sport, Touring | 4 Cyl 2.5 L GAS
- 6 | 2014-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-30 | 2020-2022 | 2.5 S, 2.5 S Carbon Edition, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-5 | 2014-2017 | Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Valve Cover Part Number: SH10-10-220
$235.39 MSRP: $313.91
You Save: $78.52 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head; Valve Cover
Fits the following Mazda Models:
- CX-5 | 2019 | Signature | 4 Cyl 2.2 L DIESEL
View related parts
Mazda Valve Cover Part Number: PE02-10-210A
$238.73 MSRP: $318.36
You Save: $79.63 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: PE02-10-210
Fits the following Mazda Models:
- 3 | 2021-2022, 2014-2018 | 2.0, i Grand Touring, I Sport, i SV, I Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-3 | 2016-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2016 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
View More
View related parts
Mazda Valve Cover Part Number: PYFA-10-210A
$244.54 MSRP: $326.12
You Save: $81.58 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head; Valve Cover
- Replaces: PYFA-10-210
Fits the following Mazda Models:
- 3 | 2019-2020 | Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- 6 | 2018-2021 | Sport, Touring | 4 Cyl 2.5 L GAS
- CX-30 | 2023 | 2.5 S, 2.5 S Carbon Edition | 4 Cyl 2.5 L GAS
- CX-5 | 2018-2024 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Valve Cover Part Number: PY8W-10-210B
$245.69 MSRP: $327.65
You Save: $81.96 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head; Valve Cover
- Replaces: PY8W-10-210A
Fits the following Mazda Models:
- 6 | 2018-2021 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- CX-30 | 2021-2023 | 2.5 Turbo | 4 Cyl 2.5 L GAS
- CX-5 | 2019-2024 | 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition Turbo, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- CX-9 | 2016-2023 | Carbon Edition, Grand Touring, Signature, Sport, Touring, Touring Plus | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Valve Cover Part Number: PE01-10-210A
$296.30 MSRP: $395.15
You Save: $98.85 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: PE01-10-210
Fits the following Mazda Models:
- 3 | 2012-2013 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- CX-5 | 2013-2016 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
View related parts
Mazda Valve Cover Part Number: PX13-10-210
$301.35 MSRP: $401.87
You Save: $100.52 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head; Valve Cover
Fits the following Mazda Models:
- 3 | 2019-2023 | 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-30 | 2020-2021 | 2.5 S, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-50 | 2023-2024 | 2.5 S | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Valve Cover Part Number: 1F22-10-220
$180.00 MSRP: $240.05
You Save: $60.05 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover(Right), Head
- Position: Right
Fits the following Mazda Models:
- B4000 | 2001-2003 | Base, DS, SE | 6 Cyl 4.0 L GAS
View related parts
Mazda Valve Cover Part Number: PEES-10-210D
$316.73 MSRP: $422.39
You Save: $105.66 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: PEES-10-210B
Fits the following Mazda Models:
- MX-5 Miata | 2016-2023 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, RF GT, Sport | 4 Cyl 2.0 L GAS
View related parts
Mazda Valve Cover Part Number: L502-10-210D
$375.71 MSRP: $505.08
You Save: $129.37 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Head
- Replaced by: L502-10-210E
Fits the following Mazda Models:
- 3 | 2010 | i, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 5 | 2008-2010 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS
- 6 | 2009-2010 | i | 4 Cyl 2.5 L GAS
- CX-7 | 2010-2011 | Sport, SV, Touring | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Valve Cover Part Number: L502-10-210E
$375.71 MSRP: $505.08
You Save: $129.37 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: L3Y1-10-210A, L502-10-210C, L502-10-210B, L512-10-210B, L512-10-210A, L502-10-210D
Fits the following Mazda Models:
- 3 | 2010-2013 | i, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 5 | 2012-2015, 2009-2010 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2011-2013 | i | 4 Cyl 2.5 L GAS
- CX-7 | 2010-2012 | Sport, SV, Touring | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Valve Cover Part Number: L3BD-10-210B
$380.85 MSRP: $512.00
You Save: $131.15 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: L3M6-10-210A, L3M6-10-210
Fits the following Mazda Models:
- 3 | 2007-2013 | Mazdaspeed, S | 4 Cyl 2.3 L GAS
- 6 | 2006-2007 | Mazdaspeed | 4 Cyl 2.3 L GAS
- CX-7 | 2007-2012 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS
View More
View related parts
Mazda Valve Cover Part Number: KL53-10-2B0
$377.56 MSRP: $507.57
You Save: $130.01 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover(Left), Cylinder Head
Fits the following Mazda Models:
- Millenia | 1995-1996 | Base, L | 6 Cyl 2.5 L GAS
View related parts
Mazda Valve Cover Part Number: YF09-10-210D
Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: YF09-10-210B, YF09-10-210A, YF09-10-210C
Fits the following Mazda Models:
- Tribute | 2001-2004 | DX | 4 Cyl 2.0 L GAS
View related parts
Mazda Valve Cover Part Number: PEDD-10-210
$108.98 MSRP: $145.33
You Save: $36.35 (26%)
Ships in 1-2 Business Days
Product Specifications
- Other Name: Cover, Cylinder Head
Fits the following Mazda Models:
- 3 | 2015-2024 | 2.0, 2.5 Carbon Turbo, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, i Grand Touring, I Sport, i SV, I Touring, Preferred, Premium, Select, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- CX-30 | 2022 | 2.5 S, 2.5 S Carbon Edition | 4 Cyl 2.5 L GAS
View related parts
Mazda Valve Cover Part Number: AJ03-10-2B0B
Product Specifications
- Other Name: Cover (Left), Head
- Position: Left
- Replaces: AJ03-10-2B0A
Fits the following Mazda Models:
- MPV | 2002-2003 | ES, LX | 6 Cyl 3.0 L GAS
- Tribute | 2001-2004 | DX, ES, LX | 6 Cyl 3.0 L GAS

| Page 1 of 4 |Next >

1-20 of 76 Results

Mazda Valve Cover

Mazda Valve Cover works to keep vital oil sealed inside the engine while keeping dirt out to make every trip smoother and cleaner. Mazda cars are distinct for energetic steering, efficient Skyactiv powertrains, and the beautiful Kodo design that turns heads even in traffic. The brand also adds i-Activsense features such as radar cruise and lane keep to keep young drivers safe. Mazda combines hybrid options and proven i-Activ AWD so owners can explore back roads without worrying about fuel bills. Every cabin feels sporty thanks to low seating and intuitive controls that call for confident driving. Supporting that spirited character, Valve Cover serves as a rigid shield over the valvetrain, trapping the lubricating film that Skyactiv parts are dependent on. Its durable aluminum or composite build resists heat and corrosion across the full Mazda lineup. Inside the cover is a tight-fitting gasket that prevents leaks, which means that cams will remain slippery and free of grit, preventing loss of power and keeping emissions clean. Should the gasket harden with age, replacing the Valve Cover restores oil pressure quickly and protects the engine from costly wear. Because Mazda is so committed to lightweight engineering, the cover remains easy to handle, and with its simple single piece layout on inline engines, routine checks are quick to perform and help drivers maintain the responsive feel that defines every Mazda on the road.

You'll get great performance and real durability when you pick genuine OEM Valve Cover. Mazda builds these using high-quality materials and official factory methods to ensure they hold up mile after mile. You deserve that Mazda reliability without the headache of cheap knockoffs. It is easy to find exactly what you need in our huge inventory of genuine parts. Plus, every OEM part carries a real manufacturer's warranty for your peace of mind. You will love our low prices too. Order today and we will ship your brand-new parts fast. They often reach your door in just a few days.

Mazda Valve Cover Parts and Q&A

Valve Cover
L3BD-10-210B
Q: How to remove and install the valve cover on Mazda 3?
A:
The first step towards removing the valve cover is to remove the battery cover and disconnect the cable with the negative battery terminal. Then loosen the upper engine cover using each side and lifting it off the central posts on the mounting. Removal of the single ignition coil assemblies of the spark plugs. Unplug electrical connectors of the oil control valve of the camshaft sprocket variable valve timing actuator, cylinder head temperature sensor and the camshaft position sensor. Disstrip the bracket with the valve cover stud that contains the wiring harness and put the harness off, followed by removing the engine oil dipstick. Remove the valve cover that has fasteners installed in the reverse order of the time of installation then remove the cover including the cover gasket which needs to be replaced whenever it has been disturbed without any damage to the sealing faces. To install, clean the cover, cylinder head gasket faces thoroughly, attach a new gasket to the valve cover, and make sure that the gasket is properly positioned. Place a small amount of RTV sealant on the top of the timing chain cover at the point of intersection of the valve and timing covers with the engine. Install cover to the cylinder head with the gasket in place when tightening the cover. Install the mounting bolts, one at a time by hand and then install them in the order to the desired torque. Lastly, reattach the battery and start the engine to ensure there is no leakage of oil.
Valve Cover
L502-10-210E
Q: How to remove and install a valve cover for four-cylinder engines on Mazda 6?
A:
In order to be able to pull out the valve cover, you should first disconnect the negative battery cable and then detach the assemblies of individual ignition coils of the spark plugs. Then remove the electrical connectors of oil control valve, cylinder head temperature sensor and camshaft position sensor. Unscrew the wiring harness attachment on the valve cover stud and put the harness aside, then unscrew the engine oil dipstick. Successively loosen the valve cover with its retaining fasteners, observing captive spacer sleeve and rubber seal and remove the cover. Take off the cover gasket, changing it every time it is disturbed, and ensure that the sealing faces are in condition with rubber seals in place over the bolts, changing any damaged or worn seals. To install, clean up the cover and the face of the cylinder head gasket, install a new gasket into the valve cover, making sure that the rubber seals and spacer sleeves are in the correct locations. Place a dot of RTV sealant at the engine at the joints between valve cover and timing cover. Fit the bubble to the cylinder head in which the gasket should be in position as the cover is tightened. Install the bolts of the cover in a diagonal order starting at the center then tighten them by hand and finally to the required torque. Lastly, reconnect battery, switch on the engine and look at evidence of oil leakage.