How to service and repair the rocker arm assembly, and what inspection steps should be taken for both push rod and OHC engines on Mercury Mountaineer?

The process to service and repair rocker arm assembly begins with the roller follower inspection in push rod engines, whether it has flat spots or scoring. When damage is detected, examine the lobes of the camshaft and the valve tappet. In case of OHC engines, it is necessary to follow the particular inspection and repair steps.

OEM Mercury Mountaineer Rocker Arm

Engine Rocker Arm

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5 Rocker Arms found

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Mercury Mountaineer Rocker Arms Part Number: 3L3Z-6564-A
$23.47 MSRP: $34.17
You Save: $10.70 (32%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: 3L3Z-6564-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Rocker Arms Part Number: EOAZ-6564-B
$16.37 MSRP: $23.83
You Save: $7.46 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: exc. "Cobra"
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Rocker Arms Part Number: YL2Z-6564-AA
$21.46 MSRP: $30.43
You Save: $8.97 (30%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: F77Z-6564-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2007 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Rocker Arms Part Number: F8AZ-6564-AA
$22.30 MSRP: $32.47
You Save: $10.17 (32%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: F2AZ-6564-A, F6AZ-6564-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Rocker Arms Part Number: 4G7Z-6564-AA
$30.23 MSRP: $44.00
You Save: $13.77 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: For Non-Spraybar Oiling Style Cylinder Heads
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Mercury Mountaineer | Base, Premier | 6 Cyl 4.0 L GAS

Mercury Mountaineer Rocker Arm

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Mercury Mountaineer Rocker Arm Parts and Q&A

Rocker Arms
F8AZ-6564-AA
Q: How to service and repair the rocker arm assembly, and what inspection steps should be taken for both push rod and OHC engines on Mercury Mountaineer?
A: The process to service and repair rocker arm assembly begins with the roller follower inspection in push rod engines, whether it has flat spots or scoring. When damage is detected, examine the lobes of the camshaft and the valve tappet. In case of OHC engines, it is necessary to follow the particular inspection and repair steps.