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

Service procedures for the rocker arm assembly should start with complete cleaning of all components while verifying that oil passages remain accessible along with the oil path at the push rod/valve tappet end of the rocker arm. The rocker arm requires inspection for wear level together with checks for cracks and nicks or burrs on the pad and side rails and seat. At the same time inspect the rocker arm seat bolt thread for damage during service but replace damaged parts to prevent more harm. The inspection must focus on the rock arm push rod bore to check for nicks, scratches, scores or scuffs. All faulty components need immediate replacement. Examine the pad located at the valve end of the rocker arm for evidence of scuffing or any form of abnormal wear because the replacement of this component with a new rocker arm will be necessary.

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

The service and repair process starts with comprehensive part cleaning although it requires examination of open oil passages which includes the push rod/valve tappet section on the rocker arm. The rocker arm pad and side rails and seat require an inspection for extensive wear along with the detection of cracks, burrs and nicks; grinding to true surfaces is prohibited. Before continuing check the rocker arm seat bolt for damage which causes thread stripping because broken threads can result in more severe problems therefore replacement of defective components becomes essential. Check for nicks and scratches as well as scores and scuffs in the rocker arm push rod bore before replacing defective parts. A new rocker arm has to be installed after identifying any pad grooves at the valve end of the 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%)
Ships in 1 Business Day
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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%)
Ships in 1-3 Business Days
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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%)
Ships in 1 Business Day
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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 Questions & Experts Answers

Rocker Arms
3F1Z-6564-AA
Q: How to Ensure Proper Functioning of the Rocker Arm in a Mercury Sable?
A: Service procedures for the rocker arm assembly should start with complete cleaning of all components while verifying that oil passages remain accessible along with the oil path at the push rod/valve tappet end of the rocker arm. The rocker arm requires inspection for wear level together with checks for cracks and nicks or burrs on the pad and side rails and seat. At the same time inspect the rocker arm seat bolt thread for damage during service but replace damaged parts to prevent more harm. The inspection must focus on the rock arm push rod bore to check for nicks, scratches, scores or scuffs. All faulty components need immediate replacement. Examine the pad located at the valve end of the rocker arm for evidence of scuffing or any form of abnormal wear because the replacement of this component with a new rocker arm will be necessary.
Rocker Arms
E9SZ-6564-A
Q: How to service and repair the rocker arm assembly on Mercury Monterey?
A: The service and repair process starts with comprehensive part cleaning although it requires examination of open oil passages which includes the push rod/valve tappet section on the rocker arm. The rocker arm pad and side rails and seat require an inspection for extensive wear along with the detection of cracks, burrs and nicks; grinding to true surfaces is prohibited. Before continuing check the rocker arm seat bolt for damage which causes thread stripping because broken threads can result in more severe problems therefore replacement of defective components becomes essential. Check for nicks and scratches as well as scores and scuffs in the rocker arm push rod bore before replacing defective parts. A new rocker arm has to be installed after identifying any pad grooves at the valve end of the rocker arm.