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.

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

The maintenance operation on the rocker arm assembly begins by eliminating the valve covers. The correct installation of rocker arms depends on proper identification of their original positions because replacing them out of order will lead to premature wear. Record the rocker arm positions first and remove the components together with their mounting bolts. The installation requires performing the opposite steps of removal while the bolts need two-step tightening where initial torque reaches 10 Nm (89 inch lbs.) followed by 32 Nm (24 foot lbs.).

OEM Mercury Rocker Arm

Engine Rocker Arm

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

14 Rocker Arms found

View related parts
Mercury Rocker Arms Part Number: 3L3Z-6564-A
$23.47 MSRP: $34.17
You Save: $10.70 (32%)
Ships in 1 Business Day
ADD TO CART
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
View related parts
Mercury Rocker Arms Part Number: E43Z-6564-A
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
ADD TO CART
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
View related parts
Mercury Rocker Arms Part Number: E1FZ-6564-A
$16.32 MSRP: $22.20
You Save: $5.88 (27%)
ADD TO CART
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
View related parts
Mercury Rocker Arms Part Number: EOAZ-6564-B
$16.37 MSRP: $23.83
You Save: $7.46 (32%)
Ships in 1-3 Business Days
ADD TO CART
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
View More
View related parts
Mercury Rocker Arms Part Number: YL2Z-6564-AA
$21.46 MSRP: $30.43
You Save: $8.97 (30%)
ADD TO CART
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
View related parts
Mercury 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
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
View More
View related parts
Mercury 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
Fits the following Mercury Models:
- Mountaineer | 2007-2010 | Base, Premier | 6 Cyl 4.0 L GAS
View related parts
Mercury Rocker Arms Part Number: 3F1Z-6564-AA
$14.86 MSRP: $21.17
You Save: $6.31 (30%)
ADD TO CART
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
View More
View related parts
Mercury Head Gasket Part Number: FOSZ-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; 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
View More
View related parts
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
View More
View related parts
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
View related parts
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
View related parts
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
View related parts
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

OEM Rocker Arm boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Rocker Arm with long life and a perfect fit. Come to our website and find genuine Mercury parts. We keep a wide inventory of OEM parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

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:
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.
Rocker Arms
3F1Z-6564-AA
Q: How to service and repair the rocker arm assembly on Mercury Sable?
A:
The maintenance operation on the rocker arm assembly begins by eliminating the valve covers. The correct installation of rocker arms depends on proper identification of their original positions because replacing them out of order will lead to premature wear. Record the rocker arm positions first and remove the components together with their mounting bolts. The installation requires performing the opposite steps of removal while the bolts need two-step tightening where initial torque reaches 10 Nm (89 inch lbs.) followed by 32 Nm (24 foot lbs.).