How to service and repair the rocker arm assembly on Mercury Monterey?

In order to service the rocker arm assembly, clean up all the parts and keep oil passages clear. Check uses or injury, without grinding. Inspect the seat bolt and change the broken parts. Inspect push rod bore and rocker arm pad; replace when grooved.

How to Ensure Proper Functioning of the Rocker Arm in a Mercury Sable?

In order to service the rocker arm assembly, wash all components and clear oil passages. Check wear, cracks or other damage, and replace defective parts. Test the push rod bore and pad abnormal wear; change the rocker arm, where pad is grooved.

OEM Mercury Rocker Arm

Engine Rocker Arm

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14 Rocker Arms found

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Mercury Rocker Arms Part Number: 3L3Z-6564-A
$23.47 MSRP: $34.17
You Save: $10.70 (32%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: 3L3Z-6564-BA
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Rocker Arms Part Number: E43Z-6564-A
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: HSC
Fits the following Mercury Models:
- Sable | 1986 | GS | 4 Cyl 2.5 L GAS
- Topaz | 1984-1994 | Base, GS, GS AWD, LS, LS AWD, LTS, LTS AWD, Sport, Sport AWD, XR5, XR5 AWD | 4 Cyl 2.3 L GAS
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Mercury Rocker Arms Part Number: E1FZ-6564-A
$16.32 MSRP: $22.20
You Save: $5.88 (27%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
Fits the following Mercury Models:
- Lynx | 1984-1987 | Base, GL, GS, L, LS, LTS, RS, XR3 | 4 Cyl 1.6 L GAS, 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L DIESEL
- Tracer | 1991-1999 | Base, GS, LS, Trio | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS
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Mercury Rocker Arms Part Number: EOAZ-6564-B
$16.37 MSRP: $23.83
You Save: $7.46 (32%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: exc. "Cobra"
Fits the following Mercury Models:
- Colony Park | 1987-1991 | GS, LS | 8 Cyl 5.0 L GAS
- Cougar | 1991-1993, 1984-1988 | Base, LS, XR-7 | 8 Cyl 5.0 L GAS
- Grand Marquis | 1984-1991 | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
- Mountaineer | 1997-2001 | Base | 8 Cyl 5.0 L GAS
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Mercury 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
Fits the following Mercury Models:
- Mountaineer | 1998-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Rocker Arms Part Number: F8AZ-6564-AA
$22.30 MSRP: $32.47
You Save: $10.17 (32%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: F2AZ-6564-A, F6AZ-6564-AA
Fits the following Mercury Models:
- Cougar | 1994-1997 | XR-7 | 8 Cyl 4.6 L GAS
- Grand Marquis | 1992-2011 | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Rocker Arms Part Number: 4G7Z-6564-AA
$30.23 MSRP: $44.00
You Save: $13.77 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: For Non-Spraybar Oiling Style Cylinder Heads
Fits the following Mercury Models:
- Mountaineer | 2007-2010 | Base, Premier | 6 Cyl 4.0 L GAS
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Mercury Rocker Arms Part Number: 3F1Z-6564-AA
$14.86 MSRP: $21.17
You Save: $6.31 (30%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: 24V
- Replaces: F5RZ-6564-A
Fits the following Mercury Models:
- Mariner | 2005-2011 | Base, Luxury, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Milan | 2006-2011 | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Mystique | 1995-2000 | Base, GS, GS Spree, LS, LS Young America | 6 Cyl 2.5 L GAS
- Sable | 1996-2005 | G, GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
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Mercury Head Gasket Part Number: FOSZ-6564-A
$23.42 MSRP: $31.87
You Save: $8.45 (27%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm; Rocker Arms; Alternator
- Replaced by: E9SZ-6564-A
Fits the following Mercury Models:
- Capri | 1984-1986 | 5.0, GS | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Cougar | 1984-1991 | Base, LS, XR-7 | 6 Cyl 3.8 L GAS
- Marquis | 1984-1986 | Base, Brougham | 6 Cyl 3.8 L GAS
- Sable | 1988-1991 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury Rocker Arms Part Number: E9SZ-6564-A
$23.42 MSRP: $31.87
You Save: $8.45 (27%)
ADD TO CART
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: FOSZ-6564-A
Fits the following Mercury Models:
- Cougar | 1992-1997 | LS, XR-7 | 6 Cyl 3.8 L GAS
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
- Sable | 1992-1995 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury Rocker Arms Part Number: F3XY6564A
Product Specifications
- Other Name: Arm Assembly Valve Rocker; Rocker Arm; Arm Assembly - Valve Rocker
Fits the following Mercury Models:
- Villager | 1993-1998 | GS, LS, Nautica | 6 Cyl 3.0 L GAS
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Mercury Rocker Arms Part Number: E6DZ-6564-A
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
Fits the following Mercury Models:
- Sable | 1986-1999 | G, GS, LS, LS Premium, LTS | 6 Cyl 3.0 L GAS
- Topaz | 1992-1994 | GS, LTS, Sport, XR5 | 6 Cyl 3.0 L GAS
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Mercury Rocker Arms Part Number: D8FZ-6564-A
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
Fits the following Mercury Models:
- Cougar | 1984-1986 | XR-7 | 4 Cyl 2.3 L GAS
- Marquis | 1984-1986 | Base, Brougham | 4 Cyl 2.3 L GAS, 4 Cyl 2.3 L LPG
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Mercury Rocker Arms Part Number: YF1Z-6564-CA
$10.18 MSRP: $14.43
You Save: $4.25 (30%)
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
Fits the following Mercury Models:
- Sable | 1999-2005 | GS, LS | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS

Mercury Rocker Arm Parts and Q&A

Rocker Arms
E9SZ-6564-A
Q: How to service and repair the rocker arm assembly on Mercury Monterey?
A: In order to service the rocker arm assembly, clean up all the parts and keep oil passages clear. Check uses or injury, without grinding. Inspect the seat bolt and change the broken parts. Inspect push rod bore and rocker arm pad; replace when grooved.
Rocker Arms
3F1Z-6564-AA
Q: How to Ensure Proper Functioning of the Rocker Arm in a Mercury Sable?
A: In order to service the rocker arm assembly, wash all components and clear oil passages. Check wear, cracks or other damage, and replace defective parts. Test the push rod bore and pad abnormal wear; change the rocker arm, where pad is grooved.