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ACDelco 12551163 Engine Rocker Arm Adjusting Nut


Brand:	ACDelco
Part Number:	12551163
UPC:	195491152168
Weight:	0.2 lbs
Condition:	New

On Sale:

$39.37

Availability:

13 in Stock

Warehouse:

US-12

Quantity:

Product Information

Description:

Get the ACDelco 12551163 Engine Rocker Arm Adjusting Nut for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bolts fasten vehicle components together. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

Fastens vehicle's components together
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Bolt Type:

Hex Head Flanged

Finish:

Phosphate Zinc

Grade:

10.9

Head Drive Type:

Hex Head Flanged

Head Tool Size:

Heat Hardened:

Yes

Length (in):

0.75 in

Length (mm):

19 mm

Material:

Steel

Programming Required:

S.A.E. Or Metric:

Metric

Thread Diameter:

0.24 in.

Thread Diameter:

6 mm

Thread Length:

0.51 in.

Thread Length:

13 mm

Thread Pitch (in):

1 in

Washer Attached:

Country of Origin:

Select a vehicle to narrow ACDelco 12551163 Engine Rocker Arm Adjusting Nut fitment info!

Last Updated: 09/03/2021

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

Buick LaCrosse

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LS4
8th VIN Digit: C

Buick LaCrosse

5.3L V8 Gas OHV M6X1.0X19
Eng: LS4
8th VIN Digit: C

4 Per Vehicle

Buick Rainier

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LH6
8th VIN Digit: M

Buick Rainier

5.3L V8 Gas OHV M6X1.0X19
Eng: LH6
8th VIN Digit: M

4 Per Vehicle

2004

Buick Rainier

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM4
8th VIN Digit: P

Buick Rainier

5.3L V8 Gas OHV M6X1.0X19
Eng: LM4
8th VIN Digit: P

4 Per Vehicle

2015

Cadillac CTS

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P

4 Per Vehicle

2014

Cadillac CTS

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P
Coupe

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
Coupe

4 Per Vehicle

2014

Cadillac CTS

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P
Sedan

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
Sedan

4 Per Vehicle

2014

Cadillac CTS

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P
Wagon

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
Wagon

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P
RWD

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
RWD

4 Per Vehicle

2009

Cadillac CTS

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P

4 Per Vehicle

2005

Cadillac CTS

5.7L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: S
RWD

Cadillac CTS

5.7L V8 Gas OHV M6X1.0X19
8th VIN Digit: S
RWD

4 Per Vehicle

2004

Cadillac CTS

5.7L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: S

Cadillac CTS

5.7L V8 Gas OHV M6X1.0X19
8th VIN Digit: S

4 Per Vehicle

Cadillac Escalade

6.2L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

Cadillac Escalade

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

4 Per Vehicle

Cadillac Escalade

6.0L V8 Electric/Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LZ1
8th VIN Digit: J

Cadillac Escalade

6.0L V8 Electric/Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LZ1
8th VIN Digit: J

4 Per Vehicle

2009

Cadillac Escalade

6.0L V8 Electric/Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LFA
8th VIN Digit: 5

Cadillac Escalade

6.0L V8 Electric/Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LFA
8th VIN Digit: 5

4 Per Vehicle

2009

Cadillac Escalade

6.2L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

Cadillac Escalade

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

4 Per Vehicle

Cadillac Escalade

6.2L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L92
8th VIN Digit: 8

Cadillac Escalade

6.2L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: L92
8th VIN Digit: 8

4 Per Vehicle

Cadillac Escalade

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LQ9
8th VIN Digit: N

Cadillac Escalade

6.0L V8 Gas OHV M6X1.0X19
Eng: LQ9
8th VIN Digit: N

4 Per Vehicle

Cadillac Escalade

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM7
8th VIN Digit: T

Cadillac Escalade

5.3L V8 Gas OHV M6X1.0X19
Eng: LM7
8th VIN Digit: T

4 Per Vehicle

Cadillac Escalade

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LQ9
8th VIN Digit: N
AWD

Cadillac Escalade

6.0L V8 Gas OHV M6X1.0X19
Eng: LQ9
8th VIN Digit: N
AWD

4 Per Vehicle

2002

Cadillac Escalade

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM7
8th VIN Digit: T
RWD

Cadillac Escalade

5.3L V8 Gas OHV M6X1.0X19
Eng: LM7
8th VIN Digit: T
RWD

4 Per Vehicle

Cadillac Escalade ESV

6.2L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

Cadillac Escalade ESV

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

4 Per Vehicle

2009

Cadillac Escalade ESV

6.2L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

Cadillac Escalade ESV

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

4 Per Vehicle

Cadillac Escalade ESV

6.2L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L92
8th VIN Digit: 8

Cadillac Escalade ESV

6.2L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: L92
8th VIN Digit: 8

4 Per Vehicle

Cadillac Escalade ESV

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LQ9
8th VIN Digit: N

Cadillac Escalade ESV

6.0L V8 Gas OHV M6X1.0X19
Eng: LQ9
8th VIN Digit: N

4 Per Vehicle

Cadillac Escalade EXT

6.2L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

Cadillac Escalade EXT

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

4 Per Vehicle

2009

Cadillac Escalade EXT

6.2L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

Cadillac Escalade EXT

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

4 Per Vehicle

Cadillac Escalade EXT

6.2L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L92
8th VIN Digit: 8

Cadillac Escalade EXT

6.2L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: L92
8th VIN Digit: 8

4 Per Vehicle

Cadillac Escalade EXT

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LQ9
8th VIN Digit: N

Cadillac Escalade EXT

6.0L V8 Gas OHV M6X1.0X19
Eng: LQ9
8th VIN Digit: N

4 Per Vehicle

Chevrolet Avalanche

5.3L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 7

Chevrolet Avalanche

5.3L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 7

4 Per Vehicle

Chevrolet Avalanche

5.3L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LMG
8th VIN Digit: 0

Chevrolet Avalanche

5.3L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LMG
8th VIN Digit: 0

4 Per Vehicle

2011

Chevrolet Avalanche

5.3L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 3

Chevrolet Avalanche

5.3L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 3

4 Per Vehicle

Chevrolet Avalanche

5.3L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 3

Chevrolet Avalanche

5.3L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 3

4 Per Vehicle

Chevrolet Avalanche

5.3L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LY5
8th VIN Digit: J

Chevrolet Avalanche

5.3L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LY5
8th VIN Digit: J

4 Per Vehicle

Chevrolet Avalanche

6.0L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L76
8th VIN Digit: Y

Chevrolet Avalanche

6.0L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: L76
8th VIN Digit: Y

4 Per Vehicle

Chevrolet Avalanche 1500

5.3L V8 Flex OHV

4 M6X1.0X19
Eng: L59
8th VIN Digit: Z

Chevrolet Avalanche 1500

5.3L V8 Flex OHV M6X1.0X19
Eng: L59
8th VIN Digit: Z

4 Per Vehicle

Chevrolet Avalanche 1500

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM7
8th VIN Digit: T

Chevrolet Avalanche 1500

5.3L V8 Gas OHV M6X1.0X19
Eng: LM7
8th VIN Digit: T

4 Per Vehicle

2002

Chevrolet Avalanche 1500

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM7
8th VIN Digit: T
4WD

Chevrolet Avalanche 1500

5.3L V8 Gas OHV M6X1.0X19
Eng: LM7
8th VIN Digit: T
4WD

4 Per Vehicle

2002

Chevrolet Avalanche 1500

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM7
8th VIN Digit: T
RWD

Chevrolet Avalanche 1500

5.3L V8 Gas OHV M6X1.0X19
Eng: LM7
8th VIN Digit: T
RWD

4 Per Vehicle

Chevrolet Camaro

7.0L V8 Gas OHV

4 M6X1.0X19
Eng: LS7
8th VIN Digit: E

Chevrolet Camaro

7.0L V8 Gas OHV M6X1.0X19
Eng: LS7
8th VIN Digit: E

4 Per Vehicle

Chevrolet Camaro

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LSA
8th VIN Digit: P

Chevrolet Camaro

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P

4 Per Vehicle

Chevrolet Camaro

6.2L V8 Gas OHV

4 M6X1.0X19
Eng: L99
8th VIN Digit: J

Chevrolet Camaro

6.2L V8 Gas OHV M6X1.0X19
Eng: L99
8th VIN Digit: J

4 Per Vehicle

Chevrolet Camaro

6.2L V8 Gas OHV

4 M6X1.0X19
Eng: LS3
8th VIN Digit: W

Chevrolet Camaro

6.2L V8 Gas OHV M6X1.0X19
Eng: LS3
8th VIN Digit: W

4 Per Vehicle

Chevrolet Camaro

5.7L V8 Gas OHV

4 M6X1.0X19
Eng: LS1
8th VIN Digit: G

Chevrolet Camaro

5.7L V8 Gas OHV M6X1.0X19
Eng: LS1
8th VIN Digit: G

4 Per Vehicle

Chevrolet Caprice

6.0L V8 Flex OHV

4 M6X1.0X19
Eng: L77
8th VIN Digit: 2

Chevrolet Caprice

6.0L V8 Flex OHV M6X1.0X19
Eng: L77
8th VIN Digit: 2

4 Per Vehicle

Chevrolet Colorado

5.3L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LH9
8th VIN Digit: P

Chevrolet Colorado

5.3L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LH9
8th VIN Digit: P

4 Per Vehicle

2009

Chevrolet Colorado

5.3L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LH8
8th VIN Digit: L

Chevrolet Colorado

5.3L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LH8
8th VIN Digit: L

4 Per Vehicle

Chevrolet Corvette

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LS9
8th VIN Digit: T

Chevrolet Corvette

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LS9
8th VIN Digit: T

4 Per Vehicle

Chevrolet Corvette

6.2L V8 Gas OHV

4 M6X1.0X19
Eng: LS3
8th VIN Digit: W

Chevrolet Corvette

6.2L V8 Gas OHV M6X1.0X19
Eng: LS3
8th VIN Digit: W

4 Per Vehicle

Chevrolet Corvette

7.0L V8 Gas OHV

4 M6X1.0X19
Eng: LS7
8th VIN Digit: E

Chevrolet Corvette

7.0L V8 Gas OHV M6X1.0X19
Eng: LS7
8th VIN Digit: E

4 Per Vehicle

2009

Chevrolet Corvette

6.2L V8 Gas OHV Supercharged

4 M6X1.0X19
Eng: LS9
8th VIN Digit: R

Chevrolet Corvette

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LS9
8th VIN Digit: R

4 Per Vehicle

Chevrolet Corvette

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LS2
8th VIN Digit: U

Chevrolet Corvette

6.0L V8 Gas OHV M6X1.0X19
Eng: LS2
8th VIN Digit: U

4 Per Vehicle

Chevrolet Corvette

5.7L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: S

Chevrolet Corvette

5.7L V8 Gas OHV M6X1.0X19
8th VIN Digit: S

4 Per Vehicle

Chevrolet Corvette

5.7L V8 Gas OHV

4 M6X1.0X19
Eng: LS1
8th VIN Digit: G

Chevrolet Corvette

5.7L V8 Gas OHV M6X1.0X19
Eng: LS1
8th VIN Digit: G

4 Per Vehicle

Chevrolet Express 1500

5.3L V8 Flex OHV

4 M6X1.0X19
Eng: LMF
8th VIN Digit: 4

Chevrolet Express 1500

5.3L V8 Flex OHV M6X1.0X19
Eng: LMF
8th VIN Digit: 4

4 Per Vehicle

Chevrolet Express 1500

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LMF
8th VIN Digit: 4

Chevrolet Express 1500

5.3L V8 Gas OHV M6X1.0X19
Eng: LMF
8th VIN Digit: 4

4 Per Vehicle

2007

Chevrolet Express 1500

5.3L V8 Flex OHV

4 M6X1.0X19
Eng: L59
8th VIN Digit: Z
Mfr Code: 4L60-E

Chevrolet Express 1500

5.3L V8 Flex OHV M6X1.0X19
Eng: L59
8th VIN Digit: Z
Mfr Code: 4L60-E

4 Per Vehicle

Chevrolet Express 1500

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM7
8th VIN Digit: T
Mfr Code: 4L60-E

Chevrolet Express 1500

5.3L V8 Gas OHV M6X1.0X19
Eng: LM7
8th VIN Digit: T
Mfr Code: 4L60-E

4 Per Vehicle

Chevrolet Express 2500

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LC8
8th VIN Digit: B

Chevrolet Express 2500

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV M6X1.0X19
Eng: LC8
8th VIN Digit: B

4 Per Vehicle

Chevrolet Express 2500

6.0L V8 Flex OHV

4 M6X1.0X19
Eng: L96
8th VIN Digit: G

Chevrolet Express 2500

6.0L V8 Flex OHV M6X1.0X19
Eng: L96
8th VIN Digit: G

4 Per Vehicle

Chevrolet Express 2500

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: L96
8th VIN Digit: G

Chevrolet Express 2500

6.0L V8 Gas OHV M6X1.0X19
Eng: L96
8th VIN Digit: G

4 Per Vehicle

Chevrolet Express 2500

4.8L V8 Flex OHV

4 M6X1.0X19
Eng: L20
8th VIN Digit: F

Chevrolet Express 2500

4.8L V8 Flex OHV M6X1.0X19
Eng: L20
8th VIN Digit: F

4 Per Vehicle

Chevrolet Express 2500

6.0L V8 CNG OHV

4 M6X1.0X19
Eng: LC8
8th VIN Digit: B

Chevrolet Express 2500

6.0L V8 CNG OHV M6X1.0X19
Eng: LC8
8th VIN Digit: B

4 Per Vehicle

Chevrolet Express 2500

4.8L V8 Flex OHV

4 M6X1.0X19
Eng: L20
8th VIN Digit: A

Chevrolet Express 2500

4.8L V8 Flex OHV M6X1.0X19
Eng: L20
8th VIN Digit: A

4 Per Vehicle

Chevrolet Express 2500

4.8L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: C

Chevrolet Express 2500

4.8L V8 Gas OHV M6X1.0X19
8th VIN Digit: C

4 Per Vehicle

Chevrolet Express 2500

6.0L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: K

Chevrolet Express 2500

6.0L V8 Gas OHV M6X1.0X19
8th VIN Digit: K

4 Per Vehicle

Chevrolet Express 2500

4.8L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: V
Mfr Code: 4L80-E

Chevrolet Express 2500

4.8L V8 Gas OHV M6X1.0X19
8th VIN Digit: V
Mfr Code: 4L80-E

4 Per Vehicle

Chevrolet Express 2500

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E

Chevrolet Express 2500

6.0L V8 Gas OHV M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E

4 Per Vehicle

Chevrolet Express 2500

4.8L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: V
Mfr Code: 4L80-E
RWD

Chevrolet Express 2500

4.8L V8 Gas OHV M6X1.0X19
8th VIN Digit: V
Mfr Code: 4L80-E
RWD

4 Per Vehicle

Chevrolet Express 2500

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LM7
8th VIN Digit: T
Mfr Code: 4L60-E

Chevrolet Express 2500

5.3L V8 Gas OHV M6X1.0X19
Eng: LM7
8th VIN Digit: T
Mfr Code: 4L60-E

4 Per Vehicle

Chevrolet Express 2500

6.0L V8 CNG OHV,
6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E
RWD

Chevrolet Express 2500

6.0L V8 CNG OHV,
6.0L V8 Gas OHV M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E
RWD

4 Per Vehicle

Chevrolet Express 3500

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LC8
8th VIN Digit: B

Chevrolet Express 3500

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV M6X1.0X19
Eng: LC8
8th VIN Digit: B

4 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: L96
8th VIN Digit: G

Chevrolet Express 3500

6.0L V8 Gas OHV M6X1.0X19
Eng: L96
8th VIN Digit: G

4 Per Vehicle

Chevrolet Express 3500

6.0L V8 Flex OHV

4 M6X1.0X19
Eng: L96
8th VIN Digit: G

Chevrolet Express 3500

6.0L V8 Flex OHV M6X1.0X19
Eng: L96
8th VIN Digit: G

4 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV

4 M6X1.0X19
Eng: L20
8th VIN Digit: F

Chevrolet Express 3500

4.8L V8 Flex OHV M6X1.0X19
Eng: L20
8th VIN Digit: F

4 Per Vehicle

Chevrolet Express 3500

6.0L V8 CNG OHV

4 M6X1.0X19
Eng: LC8
8th VIN Digit: B

Chevrolet Express 3500

6.0L V8 CNG OHV M6X1.0X19
Eng: LC8
8th VIN Digit: B

4 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV

4 M6X1.0X19
Eng: L20
8th VIN Digit: A

Chevrolet Express 3500

4.8L V8 Flex OHV M6X1.0X19
Eng: L20
8th VIN Digit: A

4 Per Vehicle

Chevrolet Express 3500

4.8L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: C

Chevrolet Express 3500

4.8L V8 Gas OHV M6X1.0X19
8th VIN Digit: C

4 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: K

Chevrolet Express 3500

6.0L V8 Gas OHV M6X1.0X19
8th VIN Digit: K

4 Per Vehicle

Chevrolet Express 3500

4.8L V8 Gas OHV

4 M6X1.0X19
8th VIN Digit: V
Mfr Code: 4L80-E

Chevrolet Express 3500

4.8L V8 Gas OHV M6X1.0X19
8th VIN Digit: V
Mfr Code: 4L80-E

4 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

4 M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E

Chevrolet Express 3500

6.0L V8 Gas OHV M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E

4 Per Vehicle

Chevrolet Express 3500

6.0L V8 CNG OHV

4 M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E

Chevrolet Express 3500

6.0L V8 CNG OHV M6X1.0X19
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L80-E

4 Per Vehicle

2017

Chevrolet Express 4500

6.0L V8 Flex

4 M6X1.0X19

Chevrolet Express 4500

Chevrolet Express 4500

6.0L V8 CNG OHV

4 M6X1.0X19
Eng: LC8
8th VIN Digit: B

Chevrolet Express 4500

6.0L V8 CNG OHV M6X1.0X19
Eng: LC8
8th VIN Digit: B

4 Per Vehicle

Chevrolet Express 4500

6.0L V8 Flex OHV

4 M6X1.0X19
Eng: L96
8th VIN Digit: G

Chevrolet Express 4500

6.0L V8 Flex OHV M6X1.0X19
Eng: L96
8th VIN Digit: G

4 Per Vehicle

Chevrolet Impala

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LS4
8th VIN Digit: C

Chevrolet Impala

5.3L V8 Gas OHV M6X1.0X19
Eng: LS4
8th VIN Digit: C

4 Per Vehicle

Chevrolet Monte Carlo

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: LS4
8th VIN Digit: C

Chevrolet Monte Carlo

5.3L V8 Gas OHV M6X1.0X19
Eng: LS4
8th VIN Digit: C

4 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 7

Chevrolet Silverado 1500

5.3L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 7

4 Per Vehicle

Chevrolet Silverado 1500

4.8L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L20
8th VIN Digit: A

Chevrolet Silverado 1500

4.8L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L20
8th VIN Digit: A

4 Per Vehicle

Chevrolet Silverado 1500

6.0L V8 Electric/Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LZ1
8th VIN Digit: J

Chevrolet Silverado 1500

6.0L V8 Electric/Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LZ1
8th VIN Digit: J

4 Per Vehicle

Chevrolet Silverado 1500

6.2L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

Chevrolet Silverado 1500

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

4 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LMG
8th VIN Digit: 0

Chevrolet Silverado 1500

5.3L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LMG
8th VIN Digit: 0

4 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Flex OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 3

Chevrolet Silverado 1500

5.3L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LC9
8th VIN Digit: 3

4 Per Vehicle

2009

Chevrolet Silverado 1500

6.0L V8 Electric/Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LFA
8th VIN Digit: 5

Chevrolet Silverado 1500

6.0L V8 Electric/Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LFA
8th VIN Digit: 5

4 Per Vehicle

Chevrolet Silverado 1500

4.8L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
8th VIN Digit: C

Chevrolet Silverado 1500

4.8L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
8th VIN Digit: C

4 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LH6
8th VIN Digit: M

Chevrolet Silverado 1500

5.3L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LH6
8th VIN Digit: M

4 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: LY5
8th VIN Digit: J

Chevrolet Silverado 1500

5.3L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LY5
8th VIN Digit: J

4 Per Vehicle

Chevrolet Silverado 1500

6.0L V8 Gas OHV

4 SIDE)(SHORT
M6X1.0X19
Eng: L76
8th VIN Digit: Y

Chevrolet Silverado 1500

6.0L V8 Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: L76
8th VIN Digit: Y

4 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Gas OHV

4 M6X1.0X19
Eng: L33
8th VIN Digit: B

Chevrolet Silverado 1500

5.3L V8 Gas OHV M6X1.0X19
Eng: L33
8th VIN Digit: B

4 Per Vehicle

See More Fitments on Page 2 - or - Select Your Vehicle Above

ACDelco 12551163 Engine Rocker Arm Adjusting Nut

$39.37

Product Information

Description:

Features and Benefits:

Specifications:

Select a vehicle to narrow ACDelco 12551163 Engine Rocker Arm Adjusting Nut fitment info!

Buick LaCrosse 5.3L V8 Gas OHV

4

M6X1.0X19Eng: LS48th VIN Digit: C

Buick LaCrosse

5.3L V8 Gas OHV M6X1.0X19Eng: LS48th VIN Digit: C 4 Per Vehicle

Buick Rainier 5.3L V8 Gas OHV

4

M6X1.0X19Eng: LH68th VIN Digit: M

Buick Rainier

5.3L V8 Gas OHV M6X1.0X19Eng: LH68th VIN Digit: M 4 Per Vehicle

Buick Rainier 5.3L V8 Gas OHV

4

M6X1.0X19Eng: LM48th VIN Digit: P

Buick Rainier

5.3L V8 Gas OHV M6X1.0X19Eng: LM48th VIN Digit: P 4 Per Vehicle

Cadillac CTS 6.2L V8 Gas OHV Supercharged

4

M6X1.0X19Eng: LSA8th VIN Digit: P

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19Eng: LSA8th VIN Digit: P 4 Per Vehicle

Cadillac CTS 6.2L V8 Gas OHV Supercharged

4

M6X1.0X19Eng: LSA8th VIN Digit: PCoupe

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19Eng: LSA8th VIN Digit: PCoupe 4 Per Vehicle

Cadillac CTS 6.2L V8 Gas OHV Supercharged

4

M6X1.0X19Eng: LSA8th VIN Digit: PSedan

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19Eng: LSA8th VIN Digit: PSedan 4 Per Vehicle

Cadillac CTS 6.2L V8 Gas OHV Supercharged

4

M6X1.0X19Eng: LSA8th VIN Digit: PWagon

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19Eng: LSA8th VIN Digit: PWagon 4 Per Vehicle

Cadillac CTS 6.2L V8 Gas OHV Supercharged

4

M6X1.0X19Eng: LSA8th VIN Digit: P

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19Eng: LSA8th VIN Digit: P 4 Per Vehicle

Cadillac CTS 6.2L V8 Gas OHV Supercharged

4

M6X1.0X19Eng: LSA8th VIN Digit: PRWD

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19Eng: LSA8th VIN Digit: PRWD 4 Per Vehicle

Cadillac CTS 6.2L V8 Gas OHV Supercharged

4

M6X1.0X19Eng: LSA8th VIN Digit: P

Cadillac CTS

6.2L V8 Gas OHV Supercharged M6X1.0X19Eng: LSA8th VIN Digit: P 4 Per Vehicle

Cadillac CTS 5.7L V8 Gas OHV

4

M6X1.0X198th VIN Digit: SRWD

Cadillac CTS

5.7L V8 Gas OHV M6X1.0X198th VIN Digit: SRWD 4 Per Vehicle

Cadillac CTS 5.7L V8 Gas OHV

4

M6X1.0X198th VIN Digit: S

Cadillac CTS

5.7L V8 Gas OHV M6X1.0X198th VIN Digit: S 4 Per Vehicle

Cadillac Escalade 6.2L V8 Flex OHV

4

SIDE)(SHORT M6X1.0X19Eng: L948th VIN Digit: F

Cadillac Escalade

6.2L V8 Flex OHV SIDE)(SHORT M6X1.0X19Eng: L948th VIN Digit: F 4 Per Vehicle

Cadillac Escalade 6.0L V8 Electric/Flex OHV

4

SIDE)(SHORT M6X1.0X19Eng: LZ18th VIN Digit: J

Cadillac Escalade

6.0L V8 Electric/Flex OHV SIDE)(SHORT M6X1.0X19Eng: LZ18th VIN Digit: J 4 Per Vehicle

Cadillac Escalade 6.0L V8 Electric/Gas OHV

4

SIDE)(SHORT M6X1.0X19Eng: LFA8th VIN Digit: 5

Buick LaCrosse

5.3L V8 Gas OHV

M6X1.0X19
Eng: LS4
8th VIN Digit: C

5.3L V8 Gas OHV M6X1.0X19
Eng: LS4
8th VIN Digit: C

4 Per Vehicle

Buick Rainier

5.3L V8 Gas OHV

M6X1.0X19
Eng: LH6
8th VIN Digit: M

5.3L V8 Gas OHV M6X1.0X19
Eng: LH6
8th VIN Digit: M

4 Per Vehicle

Buick Rainier

5.3L V8 Gas OHV

M6X1.0X19
Eng: LM4
8th VIN Digit: P

5.3L V8 Gas OHV M6X1.0X19
Eng: LM4
8th VIN Digit: P

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

M6X1.0X19
Eng: LSA
8th VIN Digit: P

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

M6X1.0X19
Eng: LSA
8th VIN Digit: P
Coupe

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
Coupe

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

M6X1.0X19
Eng: LSA
8th VIN Digit: P
Sedan

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
Sedan

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

M6X1.0X19
Eng: LSA
8th VIN Digit: P
Wagon

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
Wagon

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

M6X1.0X19
Eng: LSA
8th VIN Digit: P

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

M6X1.0X19
Eng: LSA
8th VIN Digit: P
RWD

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P
RWD

4 Per Vehicle

Cadillac CTS

6.2L V8 Gas OHV Supercharged

M6X1.0X19
Eng: LSA
8th VIN Digit: P

6.2L V8 Gas OHV Supercharged M6X1.0X19
Eng: LSA
8th VIN Digit: P

4 Per Vehicle

Cadillac CTS

5.7L V8 Gas OHV

M6X1.0X19
8th VIN Digit: S
RWD

5.7L V8 Gas OHV M6X1.0X19
8th VIN Digit: S
RWD

4 Per Vehicle

Cadillac CTS

5.7L V8 Gas OHV

M6X1.0X19
8th VIN Digit: S

5.7L V8 Gas OHV M6X1.0X19
8th VIN Digit: S

4 Per Vehicle

Cadillac Escalade

6.2L V8 Flex OHV

SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L94
8th VIN Digit: F

4 Per Vehicle

Cadillac Escalade

6.0L V8 Electric/Flex OHV

SIDE)(SHORT
M6X1.0X19
Eng: LZ1
8th VIN Digit: J

6.0L V8 Electric/Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: LZ1
8th VIN Digit: J

4 Per Vehicle

Cadillac Escalade

6.0L V8 Electric/Gas OHV

SIDE)(SHORT
M6X1.0X19
Eng: LFA
8th VIN Digit: 5

6.0L V8 Electric/Gas OHV SIDE)(SHORT
M6X1.0X19
Eng: LFA
8th VIN Digit: 5

4 Per Vehicle

Cadillac Escalade

6.2L V8 Flex OHV

SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

6.2L V8 Flex OHV SIDE)(SHORT
M6X1.0X19
Eng: L9H
8th VIN Digit: 2

4 Per Vehicle

Cadillac Escalade

6.2L V8 Gas OHV