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Engine and Transmission Usage

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Type Identification
GM1270989Courtesy of GENERAL MOTORS CORP.
Callout Component Name
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)