How to service and repair the valve rocker arm and push rod on Buick LeSabre?

The service and repair of valve rocker arms and push rods begins with acquiring the necessary tool which is torque angle meter (J 36660-A). The service requires removal of left and right valve Rocker Arm covers and the pedestal retaining bolts before finally taking the pedestal out. The assemblies must be set on a sanitized area which will be used to store them before reassembly begins. After removing the Rocker Arm assembly with the pushrods you should clean all thread adhesive from the bolts before inspecting the valve rocker arms and pushrods. The pushrods must be installed first followed by the valve Rocker Arm assembly then the pedestal installation. Access to the two bolts holding the lower Intake Manifold to the Cylinder Head becomes possible only if you first remove the upper Intake Manifold. The threads of the valve Rocker Arm bolts require gm p/n 12345493 (Canadian P/N 10953488) threadlocker compound or equivalent solution for application before installing the bolts to their position with 15 nm (11 ft. Lbs.) + 90 degrees torques set by torque angle meter (J 36660-A). Completion of the installation requires putting back the left and right valve Rocker Arm covers and conducting a check for valve train noise.

How to replace the valve rocker arm on the right side on Buick Enclave?

The right side valve Rocker Arm replacement begins with removing the appropriate Camshaft(s) using the method from the Camshaft replacement - left side procedure. The following procedure determines the removal of rocker arms through valve Rocker Arm removal - right side instructions. The cleaner must inspect both camshafts and rocker arms; any faulty components need replacement according to Camshaft cleaning standards and valve rocker arms inspection standards. Installation commences by adding rocker arms as the first step followed by the correct installation of camshafts according to the valve Rocker Arm installation - right side procedure.

What tools are required to service and repair the valve rocker arm and push rod on Buick Regal?

Service and repair of valve Rocker Arm and push rod requires the electronic torque angle meter (J 36660-A) as a necessary tool. The first step includes removing the left or right valve Rocker Arm cover together with the Rocker Arm bolts while placing every component on a clean surface for storage before reassembly. The service procedure begins with removing the valve rocker arms and continuing to remove all rocker arms means you must remove the push rod guide plates then the push rods. All components including push rods, valve rocker arms, bolts and guide plates need cleaning before checking that valve Rocker Arm bolts possess no remaining thread adhesive. The tapped holes in the Cylinder Head should be cleared with compressed air before applying fresh engine oil to the push rod terminals at which point they get installed in their factory placements on the Cylinder Head. Fasteners with correct part numbers need installation for push rod guide plates and valve rocker arms to prevent harm from imprecise tightening. Apply threadlocker gm p/n 12345493 (Canadian P/N 10953488) or equivalent onto the Rocker Arm bolt threads before installing the valve Rocker Arm bolts which need 15 nm (11 ft. Lbs.) torque applied and additional 90° rotation using the electronic torque angle meter (J 36660-A). After replacing the left or right valve Rocker Arm cover reinstall it along with a thorough examination of the valve train for abnormal noises.

OEM Buick Rocker Arm

Engine Rocker Arm

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25 Rocker Arms found

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Buick Rocker Arms
Part Number: 10214664
$14.15 MSRP: $23.32
You Save: $9.17 (40%)
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Product Specifications
- Other Name: Arm, Valve Rocker; Rocker Arm
- Replaced by: 12681275
Fits the following Buick Models:
- LaCrosse | 2008-2009 | Super | 8 Cyl 5.3 L GAS
- Rainier | 2004-2007 | CXL, CXL Plus | 8 Cyl 5.3 L GAS
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Buick Rocker Arms
Part Number: 24100294
$4.99 MSRP: $8.23
You Save: $3.24 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm, Valve Rocker; Arm, Engine Valve Rocker
Fits the following Buick Models:
- Enclave | 2008-2021 | Avenir, Base, Convenience, CX, CXL, Essence, Leather, Preferred, Premium | 6 Cyl 3.6 L GAS
- LaCrosse | 2010-2016, 2005-2008 | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
- Regal Sportback | 2018-2020 | GS | 6 Cyl 3.6 L GAS
- Rendezvous | 2004-2006 | CX, CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
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Buick Rocker Arms
Part Number: 55569172
$5.97 MSRP: $9.36
You Save: $3.39 (37%)
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Product Specifications
- Other Name: Arm, Engine Valve Adjusting; Rocker Arm; Arm, Engine Valve Rocker
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
- Encore | 2016-2019 | Essence, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Rocker Arms
Part Number: 9129211
$4.53 MSRP: $7.21
You Save: $2.68 (38%)
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Product Specifications
- Other Name: Cam Follower A Schlepphebel Z; Rocker Arm; Arm, Engine Valve Adjusting
Fits the following Buick Models:
- Encore | 2013-2020 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Rocker Arms
Part Number: 10089648
$27.43 MSRP: $42.99
You Save: $15.56 (37%)
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Product Specifications
- Other Name: Arm Kit, Valve Rocker; Rocker Arm; Arm Kit, Engine Valve Adjusting & Rocker; Ball, Engine Valve Adjusting.
- Replaces: 12528897
Fits the following Buick Models:
- LeSabre | 1984 | Custom, Limited | 6 Cyl 3.8 L GAS
- Regal | 1986-1987, 1984 | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Buick Rocker Arms
Part Number: 12576628
$18.08 MSRP: $29.79
You Save: $11.71 (40%)
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Product Specifications
- Other Name: Arm Assembly-Valve Rocker; Rocker Arm
Fits the following Buick Models:
- Century | 2003-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Rendezvous | 2003-2007 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS
- Terraza | 2005-2006 | CX, CXL | 6 Cyl 3.5 L GAS
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Buick Rocker Arms, Green Line
Part Number: 12565203
$21.89 MSRP: $36.02
You Save: $14.13 (40%)
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Product Specifications
- Other Name: Arm, Valve Rocker; Rocker Arm
- Replaced by: 12693909
Fits the following Buick Models:
- LaCrosse | 2010-2013 | Base, Convenience, CX, CXL, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
- Regal | 2011-2015 | Base, CXL, GS, Premium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Verano | 2012-2017 | Base, Convenience, Leather, Sport Touring | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Rocker Arms
Part Number: 12654646
$4.84 MSRP: $7.58
You Save: $2.74 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Assembly-Valve Rocker; Rocker Arm; Arm, Engine Valve Rocker
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick Rocker Arms
Part Number: 12510801
$14.82 MSRP: $23.21
You Save: $8.39 (37%)
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Product Specifications
- Other Name: Arm Kit, Valve Rocker; Rocker Arm; Arm Kit, Engine Valve Rocker
Fits the following Buick Models:
- Century | 1993-1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS
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Buick Rocker Arms
Part Number: 12693909
$14.98 MSRP: $36.02
You Save: $21.04 (59%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Assembly-Valve Rocker; Arm, Engine Valve Rocker
- Replaces: 12565203, 24100004, 12656486
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
- LaCrosse | 2018-2019, 2010-2016 | Base, CX, CXL, Convenience, Essence, Leather, Preferred, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
- Regal | 2011-2017 | Base, CXL, GS, Premium, Sport Touring | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
- Verano | 2012-2017 | Base, Convenience, Leather, Premium, Sport Touring, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Rocker Arms
Part Number: 12666601
$34.16 MSRP: $58.67
You Save: $24.51 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm, Engine Valve Rocker; Rocker Arm
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
- Regal Sportback | 2018-2020 | GS | 6 Cyl 3.6 L GAS
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Buick Rocker Arms
Part Number: 12577695
$24.12 MSRP: $39.72
You Save: $15.60 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Assembly-Valve Rocker; Rocker Arm; Arm, Engine Valve Rocker
Fits the following Buick Models:
- Lucerne | 2009-2011 | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
- Terraza | 2006-2007 | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Rocker Arms
Part Number: 10054525
$13.11 MSRP: $14.84
You Save: $1.73 (12%)
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Product Specifications
- Other Name: Arm Kit, Valve Rocker; Rocker Arm; Arm Kit, Engine Valve Rocker
Fits the following Buick Models:
- Century | 1987-1989 | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
- Regal | 1992-1993, 1988-1990 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS
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Buick Rocker Arms
Part Number: 1241851
$13.11
ADD TO CART
Product Specifications
- Other Name: Arm-Valve Rocker Arm Left; Arm, Engine Valve Rocker; Rocker Arm
Fits the following Buick Models:
- Century | 1984-1985 | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Electra | 1985 | Limited, Park Avenue, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- LeSabre | 1984-1985 | Collector's Edition, Custom, Limited | 6 Cyl 3.8 L GAS
- Regal | 1984-1987 | Base, GNX, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- Riviera | 1984-1985 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
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Buick Rocker Arms
Part Number: 24504436
Product Specifications
- Other Name: Arm Assembly-Valve Rocker; Rocker Arm; Arm, Engine Valve Rocker
Fits the following Buick Models:
- Century | 1996-2002 | Custom, Limited, Special | 6 Cyl 3.1 L GAS
- Regal | 1996 | Custom | 6 Cyl 3.1 L GAS
- Rendezvous | 2002 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
- Skylark | 1996-1998 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.1 L GAS
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Buick Rocker Arms
Part Number: 10121095
Product Specifications
- Other Name: Arm, Engine Valve Rocker; Rocker Arm
Fits the following Buick Models:
- Century | 1984-1992 | Custom, Estate, Estate Wagon, Limited, Olympia Limited, Special | 4 Cyl 2.5 L GAS
- Skylark | 1984-1985 | Custom, Limited | 4 Cyl 2.5 L GAS
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Buick Rocker Arms
Part Number: 12344051
Product Specifications
- Other Name: Arm Kit, Engine Valve Rocker; Rocker Arm
Fits the following Buick Models:
- LeSabre | 1993-1995 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1993-1995 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1993-1995 | Custom, Gran Sport, Limited | 6 Cyl 3.8 L GAS
- Riviera | 1995 | Base | 6 Cyl 3.8 L GAS
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Buick Rocker Arms
Part Number: 24503999
Product Specifications
- Other Name: Arm Assembly-Valve Rocker; Rocker Arm; Arm, Engine Valve Rocker
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
- LeSabre | 1995-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
- Lucerne | 2006-2008 | CX, CXL | 6 Cyl 3.8 L GAS
- Park Avenue | 1995-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1996-2004 | 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.8 L GAS
- Riviera | 1995-1999 | Base | 6 Cyl 3.8 L GAS
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Buick Rocker Arms
Part Number: 12701225
$2.77 MSRP: $4.34
You Save: $1.57 (37%)
Product Specifications
- Other Name: Arm Assembly-Valve Rocker; Rocker Arm; Arm, Engine Valve Rocker
- Replaces: 12663276
Fits the following Buick Models:
- Envision | 2021 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Rocker Arms
Part Number: 22505583
Product Specifications
- Other Name: Arm, Engine Valve Rocker; Rocker Arm
Fits the following Buick Models:
- Century | 1984-1985 | Custom, Estate, Estate Wagon, Limited, Olympia Limited | 6 Cyl 4.3 L DIESEL
- Electra | 1989, 1984-1987 | Estate Wagon, Limited, Park Avenue | 6 Cyl 4.3 L DIESEL, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- LeSabre | 1984-1990 | Collector's Edition, Custom, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Regal | 1984-1987 | Base, Limited | 6 Cyl 4.3 L DIESEL, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Riviera | 1984-1985 | Base, Luxury | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Rocker Arm Parts Questions & Experts Answers

Rocker Arms
24503999
Q: How to service and repair the valve rocker arm and push rod on Buick LeSabre?
A: The service and repair of valve rocker arms and push rods begins with acquiring the necessary tool which is torque angle meter (J 36660-A). The service requires removal of left and right valve Rocker Arm covers and the pedestal retaining bolts before finally taking the pedestal out. The assemblies must be set on a sanitized area which will be used to store them before reassembly begins. After removing the Rocker Arm assembly with the pushrods you should clean all thread adhesive from the bolts before inspecting the valve rocker arms and pushrods. The pushrods must be installed first followed by the valve Rocker Arm assembly then the pedestal installation. Access to the two bolts holding the lower Intake Manifold to the Cylinder Head becomes possible only if you first remove the upper Intake Manifold. The threads of the valve Rocker Arm bolts require gm p/n 12345493 (Canadian P/N 10953488) threadlocker compound or equivalent solution for application before installing the bolts to their position with 15 nm (11 ft. Lbs.) + 90 degrees torques set by torque angle meter (J 36660-A). Completion of the installation requires putting back the left and right valve Rocker Arm covers and conducting a check for valve train noise.
Rocker Arms
24100294
Q: How to replace the valve rocker arm on the right side on Buick Enclave?
A: The right side valve Rocker Arm replacement begins with removing the appropriate Camshaft(s) using the method from the Camshaft replacement - left side procedure. The following procedure determines the removal of rocker arms through valve Rocker Arm removal - right side instructions. The cleaner must inspect both camshafts and rocker arms; any faulty components need replacement according to Camshaft cleaning standards and valve rocker arms inspection standards. Installation commences by adding rocker arms as the first step followed by the correct installation of camshafts according to the valve Rocker Arm installation - right side procedure.
Rocker Arms
24503999
Q: What tools are required to service and repair the valve rocker arm and push rod on Buick Regal?
A: Service and repair of valve Rocker Arm and push rod requires the electronic torque angle meter (J 36660-A) as a necessary tool. The first step includes removing the left or right valve Rocker Arm cover together with the Rocker Arm bolts while placing every component on a clean surface for storage before reassembly. The service procedure begins with removing the valve rocker arms and continuing to remove all rocker arms means you must remove the push rod guide plates then the push rods. All components including push rods, valve rocker arms, bolts and guide plates need cleaning before checking that valve Rocker Arm bolts possess no remaining thread adhesive. The tapped holes in the Cylinder Head should be cleared with compressed air before applying fresh engine oil to the push rod terminals at which point they get installed in their factory placements on the Cylinder Head. Fasteners with correct part numbers need installation for push rod guide plates and valve rocker arms to prevent harm from imprecise tightening. Apply threadlocker gm p/n 12345493 (Canadian P/N 10953488) or equivalent onto the Rocker Arm bolt threads before installing the valve Rocker Arm bolts which need 15 nm (11 ft. Lbs.) torque applied and additional 90° rotation using the electronic torque angle meter (J 36660-A). After replacing the left or right valve Rocker Arm cover reinstall it along with a thorough examination of the valve train for abnormal noises.