How to remove and reinstall a valve cover on the Acura MDX?

Disconnect the cable from the negative terminal of the battery. Remove the ignition coils. Remove the engine oil dipstick. Remove the upper intake manifold. On Honda 2WD models, disconnect the injector connectors, the rocker arm oil control solenoid connector, and the rocker arm engine oil pressure (EOP) switch connector. Detach the PCV hose from the valve cover. At the rear valve cover, remove the bolt retaining the power steering hose bracket and move the hose aside, if necessary. Remove the harness bracket bolts and disconnect the heated oxygen sensor connectors, the EGR valve connector, and the ECT sensor connectors. Remove the retaining bolts (Valve cover retaining bolls (rear valve cover)/ Valve cover retaining bolts (front valve cover)), then lift the valve cover off. If the cover is stuck to the head, bump the end with a block of wood and a hammer to jar it loose. Remove the original gasket and seal washers and clean the mating surfaces of the cylinder head and valve cover. If you removed the front valve cover, remove and inspect the PCV valve. Position a new gasket in the groove and install new sealing washers on the bolts. Install the cover and tighten the bolts, a little at a time. Follow the correct torque sequence. Reinstall the remaining components. Reconnect the battery. Run the engine and check for oil leaks.

Genuine Acura MDX Valve Cover

Cylinder Head Cover

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12 Valve Covers found

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Acura MDX Rear Cylinder Head Cover
Part Number: 12320-R70-A00
$280.16 MSRP: $400.12
You Save: $119.96 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover, Rear Cylinder Head ; Valve Cover; Valve Cover
- Position: Rear
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2010-2013 Acura MDX
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Acura MDX Rear Cylinder Head Valve Cover
Part Number: 12320-5J6-A00
$167.55 MSRP: $236.65
You Save: $69.10 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover, Rear Cylinder Head; Valve Cover
- Position: Rear
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2022-2024, 2014-2020 Acura MDX
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Acura MDX Front Cylinder Head Cover
Part Number: 12310-5J6-A00
$168.24 MSRP: $237.63
You Save: $69.39 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover, Front Cylinder Head; Valve Cover
- Position: Front
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2022-2024, 2014-2020 Acura MDX
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Acura MDX Front Cylinder Head Cover Assembly
Part Number: 12310-RKG-000
$330.81 MSRP: $472.45
You Save: $141.64 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover Assembly, Front Cylinder Head ; Valve Cover; Valve Cover
- Position: Front
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2010-2013 Acura MDX
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Acura MDX Rear Valve Cover Factory
Part Number: 12320-RYE-A00
$620.26 MSRP: $885.83
You Save: $265.57 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover, Rear Cylinder Head; Valve Cover
- Position: Rear
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2007-2009 Acura MDX
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Acura MDX Front Cylinder Head Cover
Part Number: 12310-RCA-A03
$447.40 MSRP: $638.97
You Save: $191.57 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover, Front Cylinder Head ; Valve Cover; Valve Cover
- Position: Front
- Replaces: 12310-RCA-A00, 12310-RCA-A01, 12310-RCA-A02, 12310-RGL-A00
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2003-2006 Acura MDX
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Acura MDX Passenger Rear Right Engine Valve Cover
Part Number: 12320-RCA-A00
$400.41 MSRP: $571.85
You Save: $171.44 (30%)
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Product Specifications
- Other Name: Cover, Rear Cylinder Head; Valve Cover
- Position: Rear Passenger Side
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2003-2006 Acura MDX
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Acura MDX Cover Assembly, Rear Cylinder Head
Part Number: 12320-5G0-A00
$193.01 MSRP: $275.65
You Save: $82.64 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Cover
- Position: Rear
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2017-2020 Acura MDX
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Acura MDX Cover Assembly, Front Cylinder Head
Part Number: 12310-5G0-A00
$188.32 MSRP: $268.95
You Save: $80.63 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Cover
- Position: Front
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2017-2020 Acura MDX
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Acura MDX Front Cylinder Head Cover Assembly
Part Number: 12310-RYE-A00
$634.45 MSRP: $906.10
You Save: $271.65 (30%)
Product Specifications
- Other Name: Cover Assembly, Front Cylinder Head ; Valve Cover; Valve Cover
- Position: Front
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2007-2009 Acura MDX
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Acura MDX Cover, Rear Cylinder Head
Part Number: 12320-P8F-A00
Product Specifications
- Position: Rear
- Replaced by: 12320-P8F-A10
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2001-2002 Acura MDX
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Acura MDX Cover, Front Cylinder Head
Part Number: 12310-PGK-A00
Product Specifications
- Other Name: Valve Cover
- Position: Front
- Replaces: 12310-P8F-A20
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2001-2002 Acura MDX

Acura MDX Valve Cover

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Acura MDX Valve Cover Parts Questions & Experts Answers

Front Cylinder Head Cover
12310-RCA-A03
Q: How to remove and reinstall a valve cover on the Acura MDX?
A: Disconnect the cable from the negative terminal of the battery. Remove the ignition coils. Remove the engine oil dipstick. Remove the upper Intake Manifold. On Honda 2WD models, disconnect the injector connectors, the rocker arm oil control solenoid connector, and the rocker arm engine oil pressure (EOP) switch connector. Detach the PCV hose from the valve cover. At the rear valve cover, remove the bolt retaining the power steering hose bracket and move the hose aside, if necessary. Remove the harness bracket bolts and disconnect the heated oxygen sensor connectors, the EGR valve connector, and the ECT sensor connectors. Remove the retaining bolts (Valve cover retaining bolls (rear valve cover)/ Valve cover retaining bolts (front valve cover)), then lift the valve cover off. If the cover is stuck to the head, bump the end with a block of wood and a hammer to jar it loose. Remove the original gasket and seal washers and clean the mating surfaces of the cylinder head and valve cover. If you removed the front valve cover, remove and inspect the PCV valve. Position a new gasket in the groove and install new sealing washers on the bolts. Install the cover and tighten the bolts, a little at a time. Follow the correct torque sequence. Reinstall the remaining components. Reconnect the battery. Run the engine and check for oil leaks.