How to remove and install a valve cover for four-cylinder engines on 2006 Mazda 6?

Disconnect negative battery, withdraw ignition coils. Disconnect oil-control-valve, cylinder-head-temp and cam sensors. Take out wiring-bracket and dipstick. Unscrew the fasteners of the valve-cover, observe spacer sleeves and seals, remove cover and discard gasket. Check sealing, apply seal, check, clean, replace gasket, use RTV at joints, install cover, tighten diagonally, rejoin battery, check leakage.

Genuine 2006 Mazda 6 Valve Cover

Cylinder Head Cover

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4 Valve Covers found

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2006 Mazda 6 Valve Cover Part Number: L3G3-10-210E
$146.25 MSRP: $195.04
You Save: $48.79 (26%)
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Product Specifications
- Other Name: Cover, Head; Valve Cover
- Item Weight: 4.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L3G3-10-210E
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2006 Mazda 6 Submodels:
- i, Mazdaspeed | 4 Cyl 2.3 L GAS
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2006 Mazda 6 Valve Cover Part Number: L3BD-10-210B
$380.85 MSRP: $512.00
You Save: $131.15 (26%)
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Product Specifications
- Other Name: Cover, Cylinder Head
- Replaces: L3M6-10-210A, L3M6-10-210
- Item Weight: 4.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L3BD-10-210B
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
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Fits the following 2006 Mazda 6 Submodels:
- Mazdaspeed | 4 Cyl 2.3 L GAS
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2006 Mazda 6 Valve Cover Part Number: AJ57-10-210
Product Specifications
- Other Name: Cover Right, Cylinder Head
- Position: Right
- Item Weight: 4.10 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: AJ57-10-210
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
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Fits the following 2006 Mazda 6 Submodels:
- S | 6 Cyl 3.0 L GAS
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2006 Mazda 6 Valve Cover Part Number: AJB4-10-2B0
Product Specifications
- Other Name: Cover, Cylinder Head
- Position: Left
- Item Weight: 4.10 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: AJB4-10-2B0
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
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Fits the following 2006 Mazda 6 Submodels:
- S | 6 Cyl 3.0 L GAS

2006 Mazda 6 Valve Cover Parts and Q&A

Q: How to remove and install a valve cover for four-cylinder engines on 2006 Mazda 6?
A: Disconnect negative battery, withdraw ignition coils. Disconnect oil-control-valve, cylinder-head-temp and cam sensors. Take out wiring-bracket and dipstick. Unscrew the fasteners of the valve-cover, observe spacer sleeves and seals, remove cover and discard gasket. Check sealing, apply seal, check, clean, replace gasket, use RTV at joints, install cover, tighten diagonally, rejoin battery, check leakage.