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 Front Cylinder Head Cover
Part Number: 12310-5J6-A00
$186.36 MSRP: $266.15
You Save: $79.79 (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.
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Acura MDX Rear Cylinder Head Valve Cover
Part Number: 12320-5J6-A00
$185.59 MSRP: $265.05
You Save: $79.46 (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.
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Acura MDX Front Cylinder Head Cover
Part Number: 12310-RCA-A03
$473.70 MSRP: $676.52
You Save: $202.82 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover, Front Cylinder Head ; Valve Cover; Valve Cover
- Position: Passenger Side
- Replaces: 12310-RGL-A00, 12310-RCA-A01, 12310-RCA-A02, 12310-RCA-A00
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Cover Assembly, Rear Cylinder Head
Part Number: 12320-5G0-A00
$216.18 MSRP: $308.73
You Save: $92.55 (30%)
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Product Specifications
- Other Name: Valve Cover
- Position: Rear
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Rear Valve Cover Factory
Part Number: 12320-RYE-A00
$694.69 MSRP: $992.13
You Save: $297.44 (30%)
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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.
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Acura MDX Passenger Rear Right Engine Valve Cover
Part Number: 12320-RCA-A00
$448.47 MSRP: $640.48
You Save: $192.01 (30%)
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Product Specifications
- Other Name: Cover, Rear Cylinder Head; Valve Cover
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Cover Assembly, Front Cylinder Head
Part Number: 12310-5G0-A00
$210.92 MSRP: $301.23
You Save: $90.31 (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.
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Acura MDX Rear Cylinder Head Cover
Part Number: 12320-R70-A00
$302.45 MSRP: $431.95
You Save: $129.50 (30%)
Product Specifications
- Other Name: Cover, Rear Cylinder Head ; Valve Cover; Valve Cover
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Front Cylinder Head Cover Assembly
Part Number: 12310-RKG-000
$357.65 MSRP: $510.78
You Save: $153.13 (30%)
Product Specifications
- Other Name: Cover Assembly, Front Cylinder Head ; Valve Cover; Valve Cover
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Front Cylinder Head Cover Assembly
Part Number: 12310-RYE-A00
$710.59 MSRP: $1014.83
You Save: $304.24 (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.
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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.
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Acura MDX Cover, Front Cylinder Head
Part Number: 12310-PGK-A00
Product Specifications
- Other Name: Valve Cover
- Position: Passenger Side
- Replaces: 12310-P8F-A20
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura MDX Valve Cover

Acura MDX Valve Cover keeps engine oil contained while blocking dirt from the valvetrain, ensuring reliable lubrication for every MDX powerplant. The Valve Cover sits atop the cylinder head, sealing against a gasket that prevents oil from escaping as the cam gear works, and it provides mounting spots for the PCV valve and breather caps found on each Acura SUV. Over the years, MDX models have applied two main Valve Cover materials, lightweight plastic and sturdier metal alloys such as cast aluminum, with the metal style sometimes wearing painted or chrome finishes and decorative fins for an upscale Acura look. Plastic versions reduce weight but can crack under heat, while aluminum Valve Cover units resist warping and can be styled with engine size script, giving owners both practical and visual benefits. Regardless of material, gasket aging remains the common leak source, so replacing the gasket or the entire Valve Cover is straightforward once hoses and wires are moved aside, restoring clean operation to any Acura MDX engine.

We provide a broad range of OEM Acura MDX Valve Cover at unbeatable prices on our website. For your OEM parts, You can count on the guaranteed quality, manufacturer's warranty, outstanding customer service, and prompt delivery. We look forward to your visit.

Acura MDX Valve Cover Parts Questions & Experts Answers

Rear Valve Cover Factory
12320-RYE-A00
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.