GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC C Sierra - 2WD 🢒 General Information 🢒 General Information 🢒 Engine and Transmission Usage
Table 1: Engine and Transmission Applications - 2-Wheel Drive
Table 2: Engine and Transmission Applications - 4-Wheel Drive

Model Identification
Object Number: 1270989 Size: SH
(1)2-Door Pickup Fleetside/Wideside
(2)2-Door Pickup Sportside
(3)2-Door Chassis Cab
(4)4-Door Extended Cab Fleetside/Wideside
(5)4-Door Extended Cab Sportside
(6)4-Door Extended Chassis Cab
(7)4-Door Crew Cab Fleetside/Wideside
(8)4-Door Crew Cab Chassis Cab

Engine and Transmission Applications - 2-Wheel Drive

Engine/RPO

Transmission

Automatic/RPO

Manual/RPO

C15703 (2-Door Short Box)

4.3L V6 Gasoline (LU3)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

Tremac 5-Speed (TZO)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

Tremac 5-Speed (TZO)

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

C15743 (4-Door Crew Cab Short Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

N/A

C15753 (4-Door Extended Cab Short Box)

4.3L V6 Gasoline (LU3)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

C15753 PHT (4-Door Extended Cab Short Box)

5.3L V8 Gasoline (LM7)

4L60-E Hybrid (M33)

N/A

C15903 (2-Door Long Box)

4.3L V6 Gasoline (LU3)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

C15953 (4-Door Extended Cab Long Box)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

C25743 (4-Door Crew Cab Short Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C25753 (4-Door Extended Cab Short Box)

6.0L V8 Gasoline (LQ4)

4L80E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C25903 (2-Door Short Box)

6.0L V8 Gas (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C25943 (4-Door Crew Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C25953 (4-Door Extended Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C35943 (4-Door Crew Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C35953 (4-Door Extended Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C36003 (2-Door Regular Chassis Cab)

6.0L V8 Gasoline (LQ4)

N/A

Tremec 5-Speed (M96)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C36053 (4-Door Extended Chassis Cab)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

C36403 (2-Door Reg Chassis Cab)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

Engine and Transmission Applications - 4-Wheel Drive

Engine/RPO

Transmission

Automatic/RPO

Manual/RPO

K15703 (2-Door Regular Cab Short Box)

4.3L V6 Gasoline (LU3)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

K15743 (4-Door Crew Cab Short Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

N/A

K15753 (4-Door Extended Cab Short Box)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

5.3L V8 Aluminum Gasoline (L33)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

6.0L V8 Gasoline (LQ4)

4L60-E HD 4-Speed (M32)

N/A

6.0L V8 Gasoline (LQ9)

4L60-E HD 4-Speed (M32)

N/A

K15753 PHT (4-Door Extended Cab Hybrid)

5.3L V8 Gasoline (LM7)

4L60-E Hybrid (M33)

N/A

K15903 (2-Door Regular Cab Long Box)

4.3L V6 Gasoline (LU3)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5-Speed (MG5)

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

K15953 (4-Door Extended Cab Long Box)

4.8L V8 Gasoline (LR4)

4L60-E 4-Speed (M30)

Getrag 5 Speed (MG5)

5.3L V8 Gasoline (L59)

4L60-E 4-Speed (M30)

N/A

5.3L V8 Gasoline (LM7)

4L60-E 4-Speed (M30)

N/A

K25743 (4-Door Crew Cab Short Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5 Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K25753 (4-Door Extended Cab Short Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT !000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K25903 (2-Door Regular Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K25943 (4-Door Crew Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K25953 (4-Door Extended Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K35903 (2-Door Regular Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K35943 (4-Door Crew Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K35953 ( 4-Door Extended Cab Long Box)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K36003 (2-Door Chassis Cab)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K36053 (4-Door Extended Chassis Cab)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

K36403 (2-Door Chassis Cab)

6.0L V8 Gasoline (LQ4)

4L80-E 4-Speed (MT1)

5-Speed NVG (MW3)

6.6L V8 Diesel (LLY)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)

6.6L V8 Diesel (LB7)

Allison LCT 1000 5-Speed (M74)

6-Speed (ML6)

8.1L V8 Gasoline (L18)

Allison LCT 1000 5-Speed (M74)

Allison LCT 1000 6-Speed (MW7)

6-Speed (ML6)