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ACDelco 12561243 Engine Timing Cover
for 2003 (please select make/model)

ACDelco

 
Brand:ACDelco
Part Number: 12561243
UPC: 195491141797
Weight: 2.37 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12561243 Engine Timing Cover for your 2003. Buy now and secure your purchase online!

GM Genuine Parts Engine Timing Cover 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:

Color:
Natural
Depth:
1.82 in.
Finish:
Plain
Gasket Or Seal Included:
Yes
Grade Type:
REGULAR
Length:
12.77 in.
Material Thickness:
0.23 in.
Material:
Aluminum
Mount Hole Diameter:
0.40 in.
Mount Hole Quantity:
8

Manufacturer Warranty:

24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.

Select a vehicle to narrow ACDelco 12561243 Engine Timing Cover fitment info!

Last Updated: 02/26/2022

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Cadillac Escalade

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

Cadillac Escalade



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Cadillac Escalade

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

Cadillac Escalade



6.0L V8 Gas OHV

Front 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
 
Front
 
Eng: LQ9
8th VIN Digit: N
 

Cadillac Escalade ESV



6.0L V8 Gas OHV

Front 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
 
Front
 
Eng: LQ9
8th VIN Digit: N
 

Cadillac Escalade EXT



6.0L V8 Gas OHV

Front Eng: LQ9
8th VIN Digit: N

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Avalanche 1500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

Chevrolet Avalanche 1500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Corvette

5.7L V8 Gas OHV
1
 
Front
 
8th VIN Digit: S
 

Chevrolet Corvette



5.7L V8 Gas OHV

Front 8th VIN Digit: S

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Corvette

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

Chevrolet Corvette



5.7L V8 Gas OHV

Front Eng: LS1
8th VIN Digit: G

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Express 1500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

Chevrolet Express 1500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 2500

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
RWD
 

Chevrolet Express 2500



4.8L V8 Gas OHV

Front 8th VIN Digit: V
RWD

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 2500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

Chevrolet Express 2500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 2500

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

Chevrolet Express 2500



6.0L V8 CNG OHV,
6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U
RWD

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Express 3500

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
 

Chevrolet Express 3500



4.8L V8 Gas OHV

Front 8th VIN Digit: V

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Express 3500

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

Chevrolet Express 3500



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 3500

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

Chevrolet Express 3500



6.0L V8 CNG OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Silverado 1500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

Chevrolet Silverado 1500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2006

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 1500

5.3L V8 Flex OHV
1
 
Front
 
Eng: L59
8th VIN Digit: Z
 

Chevrolet Silverado 1500



5.3L V8 Flex OHV

Front Eng: L59
8th VIN Digit: Z

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 
Chevrolet Silverado 1500

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
 

Chevrolet Silverado 1500



4.8L V8 Gas OHV

Front 8th VIN Digit: V

1 Per Vehicle

2003

 

2003

 
Chevrolet Silverado 1500

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

Chevrolet Silverado 1500



6.0L V8 Gas OHV

Front Eng: LQ9
8th VIN Digit: N
AWD

1 Per Vehicle

2003

 

2002

 

2001

 

2003

 

2002

 

2001

 
Chevrolet Silverado 1500 HD

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

Chevrolet Silverado 1500 HD



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 
Chevrolet Silverado 2500

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

Chevrolet Silverado 2500



6.0L V8 Gas OHV

Front 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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV

Front 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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Front 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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Chevrolet SSR

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM4
8th VIN Digit: P
 

Chevrolet SSR



5.3L V8 Gas OHV

Front Eng: LM4
8th VIN Digit: P

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Suburban 1500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

Chevrolet Suburban 1500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2006

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Suburban 1500

5.3L V8 Flex OHV
1
 
Front
 
Eng: L59
8th VIN Digit: Z
 

Chevrolet Suburban 1500



5.3L V8 Flex OHV

Front Eng: L59
8th VIN Digit: Z

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
Chevrolet Suburban 2500

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

Chevrolet Suburban 2500



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Tahoe

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

Chevrolet Tahoe



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2006

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Tahoe

5.3L V8 Flex OHV
1
 
Front
 
Eng: L59
8th VIN Digit: Z
 

Chevrolet Tahoe



5.3L V8 Flex OHV

Front Eng: L59
8th VIN Digit: Z

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
Chevrolet Tahoe

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
 

Chevrolet Tahoe



4.8L V8 Gas OHV

Front 8th VIN Digit: V

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Chevrolet Trailblazer EXT

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM4
8th VIN Digit: P
 

Chevrolet Trailblazer EXT



5.3L V8 Gas OHV

Front Eng: LM4
8th VIN Digit: P

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
GMC Envoy XL

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM4
8th VIN Digit: P
 

GMC Envoy XL



5.3L V8 Gas OHV

Front Eng: LM4
8th VIN Digit: P

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC Savana 1500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

GMC Savana 1500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Savana 2500

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
RWD
 

GMC Savana 2500



4.8L V8 Gas OHV

Front 8th VIN Digit: V
RWD

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Savana 2500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

GMC Savana 2500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Savana 2500

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

GMC Savana 2500



6.0L V8 CNG OHV,
6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U
RWD

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC Savana 3500

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
 

GMC Savana 3500



4.8L V8 Gas OHV

Front 8th VIN Digit: V

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC Savana 3500

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

GMC Savana 3500



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Savana 3500

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

GMC Savana 3500



6.0L V8 CNG OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 1500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

GMC Sierra 1500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2006

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 1500

5.3L V8 Flex OHV
1
 
Front
 
Eng: L59
8th VIN Digit: Z
 

GMC Sierra 1500



5.3L V8 Flex OHV

Front Eng: L59
8th VIN Digit: Z

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 
GMC Sierra 1500

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
 

GMC Sierra 1500



4.8L V8 Gas OHV

Front 8th VIN Digit: V

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
GMC Sierra 1500

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

GMC Sierra 1500



6.0L V8 Gas OHV

Front 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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 1500 HD



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 
GMC Sierra 2500

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

GMC Sierra 2500



6.0L V8 Gas OHV

Front 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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV

Front 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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Front 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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

GMC Sierra 3500



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Yukon

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

GMC Yukon



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2006

 

2005

 

2004

 

2003

 

2002

 
GMC Yukon

5.3L V8 Flex OHV
1
 
Front
 
Eng: L59
8th VIN Digit: Z
 

GMC Yukon



5.3L V8 Flex OHV

Front Eng: L59
8th VIN Digit: Z

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Yukon

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

GMC Yukon



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
GMC Yukon

4.8L V8 Gas OHV
1
 
Front
 
8th VIN Digit: V
 

GMC Yukon



4.8L V8 Gas OHV

Front 8th VIN Digit: V

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Yukon XL 1500

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM7
8th VIN Digit: T
 

GMC Yukon XL 1500



5.3L V8 Gas OHV

Front Eng: LM7
8th VIN Digit: T

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2006

 

2005

 

2004

 

2003

 

2002

 
GMC Yukon XL 1500

5.3L V8 Flex OHV
1
 
Front
 
Eng: L59
8th VIN Digit: Z
 

GMC Yukon XL 1500



5.3L V8 Flex OHV

Front Eng: L59
8th VIN Digit: Z

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
 
Front
 
Eng: LQ4
8th VIN Digit: U
 

GMC Yukon XL 1500



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
GMC Yukon XL 2500

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

GMC Yukon XL 2500



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Hummer H2

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

Hummer H2



6.0L V8 Gas OHV

Front Eng: LQ4
8th VIN Digit: U

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
Isuzu Ascender

5.3L V8 Gas OHV
1
 
Front
 
Eng: LM4
8th VIN Digit: P
 

Isuzu Ascender



5.3L V8 Gas OHV

Front Eng: LM4
8th VIN Digit: P

1 Per Vehicle

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