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  2. Auto Parts
  3. Engine Components
  4. Valve Train Components
  5. Engine Camshaft
  6. ACDelco 12561721

ACDelco 12561721 Engine Camshaft

ACDelco 12561721 Engine Camshaft Image 1
ACDelco 12561721 Engine Camshaft Image 2
ACDelco 12561721 Engine Camshaft Image 3
ACDelco 12561721 Engine Camshaft

ACDelco
Brand:ACDelco
Part Number: 12561721
UPC: 195491175266
Weight: 9.69 lbs
Condition:New



On Sale:

$506.24

Availability:
5 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

Get the ACDelco 12561721 Engine Camshaft for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Engine Camshafts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of 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:

  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Advertised Exhaust Duration:
201 Degrees
Advertised Intake Duration:
196 Degrees
Basic Operating RPM Range:
6500 Revolutions per Minute
Cam Type:
Hydraulic Roller
Computer Controlled Compatible:
Yes
Exhaust Duration at .050 inch Lift:
201 Degrees
Exhaust Valve Lash:
0 in.
Exhaust Valve Lash:
0 mm
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.479 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
12.167 mm
Exhaust Valve Lift:
0.281 in.
Exhaust Valve Lift:
7.126 mm
Intake Duration at .050 in. Lift:
196 Degrees
Intake Valve Lash:
0 in.
Intake Valve Lash:
0 mm
Intake Valve Lift with Factory Rocker Arm Ratio:
0.467 in.
Intake Valve Lift with Factory Rocker Arm Ratio:
11.862 mm
Intake Valve Lift:
0.274 in.
Intake Valve Lift:
6.959 mm
Lifter Type:
Roller
Lobe Separation:
116 Degrees
Programming Required:
No
Country of Origin:
US

Select a vehicle to narrow ACDelco 12561721 Engine Camshaft fitment info!

Last Updated: 09/26/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
Cadillac Escalade

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
 

Cadillac Escalade



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Cadillac Escalade

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
AWD
 

Cadillac Escalade



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N
AWD

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
Cadillac Escalade ESV

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
 

Cadillac Escalade ESV



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2006

 

2005

 

2004

 

2003

 

2002

 
Cadillac Escalade EXT

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
 

Cadillac Escalade EXT



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Chevrolet Camaro

5.7L V8 Gas OHV
1
 
Eng: LS1
8th VIN Digit: G
 

Chevrolet Camaro



5.7L V8 Gas OHV Eng: LS1
8th VIN Digit: G

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Corvette

5.7L V8 Gas OHV
1
 
Eng: LS1
8th VIN Digit: G
 

Chevrolet Corvette



5.7L V8 Gas OHV Eng: LS1
8th VIN Digit: G

1 Per Vehicle

2007

 

2006

 

2007

 

2006

 
Chevrolet Express 2500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Express 2500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 2500

6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
RWD
 

Chevrolet Express 2500



6.0L V8 CNG OHV,
6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U
RWD

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Express 3500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Express 3500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 3500

6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Express 3500



6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
Chevrolet Silverado 1500

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
 

Chevrolet Silverado 1500



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2003

 

2003

 
Chevrolet Silverado 1500

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
AWD
 

Chevrolet Silverado 1500



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N
AWD

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 1500 Classic

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
 

Chevrolet Silverado 1500 Classic



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2006

 

2005

 

2006

 

2005

 
Chevrolet Silverado 1500 HD

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 1500 HD



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2003

 

2002

 

2001

 

2003

 

2002

 

2001

 
Chevrolet Silverado 1500 HD

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 1500 HD



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 1500 HD Classic

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 1500 HD Classic



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500

6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500



6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500 HD Classic



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 3500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Chevrolet Silverado 3500

6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 3500



6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 3500 Classic



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2006

 
Chevrolet Suburban 1500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Suburban 1500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Suburban 2500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Suburban 2500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2006

 

2007

 

2006

 
GMC Savana 2500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Savana 2500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Savana 2500

6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
RWD
 

GMC Savana 2500



6.0L V8 CNG OHV,
6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U
RWD

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC Savana 3500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Savana 3500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Savana 3500

6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Savana 3500



6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
GMC Sierra 1500

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
 

GMC Sierra 1500



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
GMC Sierra 1500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 1500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2001

 

2001

 
GMC Sierra 1500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
Extended Cab Pickup
4 Doors
AWD
 

GMC Sierra 1500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U
Extended Cab Pickup
4 Doors
AWD

1 Per Vehicle

2007

 

2007

 
GMC Sierra 1500 Classic

6.0L V8 Gas OHV
1
 
Eng: LQ9
8th VIN Digit: N
 

GMC Sierra 1500 Classic



6.0L V8 Gas OHV Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2006

 

2005

 

2006

 

2005

 
GMC Sierra 1500 HD

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 1500 HD



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2003

 

2002

 

2001

 

2003

 

2002

 

2001

 
GMC Sierra 1500 HD

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 1500 HD



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2007

 
GMC Sierra 1500 HD Classic

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 1500 HD Classic



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500

6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500



6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2007

 
GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500 HD Classic



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 3500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 3500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 3500



6.0L V8 CNG OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2007

 
GMC Sierra 3500 Classic

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 3500 Classic



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Yukon

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Yukon



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Yukon XL 1500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Yukon XL 1500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Yukon XL 2500

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

GMC Yukon XL 2500



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2007

 

2006

 

2005

 

2007

 

2006

 

2005

 
Hummer H2

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
Crew Cab Pickup
 

Hummer H2



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U
Crew Cab Pickup

1 Per Vehicle

2007

 

2006

 

2005

 

2007

 

2006

 

2005

 
Hummer H2

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
Sport Utility
 

Hummer H2



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U
Sport Utility

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Hummer H2

6.0L V8 Gas OHV
1
 
Eng: LQ4
8th VIN Digit: U
 

Hummer H2



6.0L V8 Gas OHV Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Pontiac Firebird

5.7L V8 Gas OHV
1
 
Eng: LS1
8th VIN Digit: G
 

Pontiac Firebird



5.7L V8 Gas OHV Eng: LS1
8th VIN Digit: G

1 Per Vehicle

2004

 

2004

 
Pontiac GTO

5.7L V8 Gas OHV
1
 
USA ADDITIONAL EQUIPMENT
Eng: LS1
8th VIN Digit: G
 

Pontiac GTO



5.7L V8 Gas OHV USA ADDITIONAL EQUIPMENT
Eng: LS1
8th VIN Digit: G

1 Per Vehicle