Powertrain Control for 2009 Buick LaCrosse
No.
Part # / Description / Price
Price
1
Powertrain Control Module 
GM
GM Description: LaCrosse. 3.8l. Lucerne. 3.8l. Grand Prix. 3.8l. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $693.28
$376.62
MSRP $693.28
$376.62
2
Engine Camshaft Position Sensor GM
GM Description: Impala, Monte Carlo. 3.8l. Park Avenue. All models. 3.8l. LaCrosse. 3.8l. Bonneville, LeSabre. 3.8l. Lucerne. 3.8l. Riviera. Side of block, 3.8L. Grand Prix. Helps keep engine timing and fuel injection running in sync
Helps provide proper alignment, positioning, and spacing for easy installation
Synchronizes engine valves and pistons for excellent engine performance
3
Engine Crankshaft Position Sensor GM
GM Description: Front, 3.8L. Impala, Monte Carlo. 3.8l. Park Avenue. LaCrosse. 3.8l. Bonneville, LeSabre. 3.8l. Lucerne. 3.8l. Riviera. Grand Prix. 6 cylinder. All. Helps keep engine timing and fuel injection running in sync
Helps provide proper alignment, positioning, and spacing for easy installation
Synchronizes engine valves and pistons for excellent engine performance
MSRP $174.94
$100.37
MSRP $174.94
$100.37
3
Acdelco™ Engine Crankshaft Position Sensor GM
GM Description: Park Avenue. LaCrosse. 3.8l. Bonneville, LeSabre. 3.8l. Lucerne. 3.8l. Riviera. Grand Prix. 6 cylinder. All.
4
Crankshaft Position Sensor Shield GM
GM Description: 3.8L. Crankshaft sensor. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
5
Ignition Knock (Detonation) Sensor GM
GM Description: Impala, Monte Carlo. 3.8l. Park Avenue. All models. 3.8l. LaCrosse. 3.8l. Bonneville, LeSabre. 3.8l. Lucerne. 3.8l. Riviera. Grand Prix. Sends signals to the engine control module (ECM) to adjust timing
Helps prevent damage to the engine caused by pre-ignition
MSRP $137.92
$79.13
MSRP $137.92
$79.13
5
Acdelco™ Knock Sensor GM
GM Description: All models. Impala, Monte Carlo. 3.8l. Park Avenue. LaCrosse. 3.8l. Bonneville, LeSabre. 3.8l. Lucerne. 3.8l. Riviera. Grand Prix.
7
Ignition Module Bracket GM
GM Description: 1996-99, without supercharger. 3.8L. 1995, without supercharger.
9
Ignition Coil Seal GM
GM Description: 3.8L. 3.4L. 2.2L, without dohc. Distributorless ignition. 4.6L, 1993-99. 3.1L. 1996-99. 1998-99. 1995. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.70
$3.20
MSRP $4.70
$3.20
10
Spark Plug Wire Kit GM
GM Description: Mfi. Grand Prix. 3.8l. LaCrosse. 3.8l. Sfi. Lucerne. 3.8l. 3.8L, all. 3.8L, without supercharger. 3.8L, with supercharged. Durable to help transfer high voltage pulses without damage
Manufactured to GM OE specification for fit, form, and function
MSRP $131.39
$75.39
MSRP $131.39
$75.39
11
Iridium Spark Plug GM
GM Description: Vendor:acdelco. Vendor #41-101. 3.4L. 3.5L. Iridium. 4.3L. Platinum. Vendor #41-921. 3.1L. 3.8L, without supercharged. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium composition provides ...
MSRP $16.46
$10.95
MSRP $16.46
$10.95
11
Acdelco™ Spark Plug GM
GM Description: Vendor:acdelco. Vendor #41-101. 3.4L. 3.5L. 4.3L. Iridium. Platinum. Vendor #41-921. 3.1L. 3.8L, without supercharged.
No.
Part # / Description / Price
Price
1
Secondary Air Injection Pump with Bracket GM
GM Description: LaCrosse. 3.8l. Grand Prix. 3.8l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $277.86
$159.09
MSRP $277.86
$159.09
3
Secondary Air Injection Pump Air Cleaner Hose GM
GM Notes: PARTS: Part included with A.I.R. pump.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
5
Secondary Air Injection Shut-Off and Check Valve GM
GM Description: LaCrosse. 3.8l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $504.06
$275.10
MSRP $504.06
$275.10
5
Secondary Air Injection Shut-Off Valve GM
GM Description: Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $371.21
$202.59
MSRP $371.21
$202.59
9
Secondary Air Injection Pump Check Valve Gasket GM
GM Description: California emissions. 4.6L. Air injection system, 3.5L. Valve to Right Inlet Pipe. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $15.46
$10.28
MSRP $15.46
$10.28
9
Acdelco™ Secondary Air Injection Pipe Gasket GM
GM Description: California emissions. 4.6L. Valve to Right Inlet Pipe. 3.5L air injection system.
10
Exhaust Gas Recirculation (EGR) Valve GM
GM Description: Lucerne. DTS. 4.6L. 8.1l. Grand Prix. 3.8l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $316.92
$172.96
MSRP $316.92
$172.96
11
Exhaust Gas Recirculation (EGR) Valve Gasket GM
GM Description: Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate properly
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $19.27
$12.83
MSRP $19.27
$12.83
12
Exhaust Gas Recirculation (EGR) Valve Adapter GM
GM Description: Grand Prix. 3.8l. LaCrosse. 3.8l. Park Avenue. Without supercharger 1998-2005. Bonneville, LeSabre. 3.8l. 2000-03. 2004-05. 3.6L only. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
13
Exhaust Gas Recirculation (EGR) Valve Outlet Pipe GM
GM Description: Impala, Monte Carlo. 3.8l. All models. 3.8l. Grand Prix. 3.8l. LaCrosse. 3.8l. 2000-03. Bonneville, LeSabre. 3.8l. Lucerne. 3.8l. 2004-05. Riviera. Without supercharger, 1997. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
15
Heated Oxygen Sensor GM
GM Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $99.54
$60.09
MSRP $99.54
$60.09
15
Heated Oxygen Sensor GM
GM Description: LaCrosse. Bonneville, LeSabre. Grand Prix. Lucerne. Park Avenue. 3.8l. At manifold. With supercharger 1998-2005, manifold. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $120.28
$69.01
MSRP $120.28
$69.01
15
Heated Oxygen Sensor GM
GM Description: LaCrosse. Rear. 3.8l. Grand Prix. Front. 3.8l. Without supercharger. Without dual exh. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $165.32
$94.85
MSRP $165.32
$94.85
15
Acdelco™ Rear Oxygen Sensor GM
GM Description: LaCrosse. Rear. 3.8l. Grand Prix. Front. 3.8l. Without supercharger. Without dual exh.
16
Vapor Canister GM
GM Description: Impala, Monte Carlo. 3.5l, 3.9l. Federal. LaCrosse. 3.6L with flex fuel. Impala, Monte Carlo. 3.6l. All. Grand Prix. 5.3l. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $348.54
$190.22
MSRP $348.54
$190.22
16
Vapor Canister GM
GM Description: Impala, Monte Carlo. 3.5l, 3.9l. California. Impala, Monte Carlo. 3.6l. LaCrosse. Grand Prix. 5.3L. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $449.82
$245.49
MSRP $449.82
$245.49
16
Acdelco™ Vapor Canister GM
GM Description: Impala, Monte Carlo. 3.5l, 3.9l. Federal. LaCrosse. 3.6L with flex fuel. Exc.pzev spec. Impala, Monte Carlo. 3.6l. All. Grand Prix. 5.3l.
16
Acdelco™ Vapor Canister GM
GM Description: Impala, Monte Carlo. 3.5l, 3.9l. California. Pzev spec. Impala, Monte Carlo. 3.6l. LaCrosse. Grand Prix. 5.3L.
18
Vapor Canister Vent Solenoid GM
GM Description: Impala, Monte Carlo. 3.6L with flex fuel. 3.5 & 3.9L with flex fuel. Grand Prix. Location-Vapor Canister. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $83.48
$50.40
MSRP $83.48
$50.40
18
Acdelco™ Vapor Canister Purge Solenoid GM
GM Description: Location-Vapor Canister. Impala, Monte Carlo. 3.6L with flex fuel. 3.5 & 3.9L with flex fuel. Exc.pzev spec. Grand Prix.
19
Vapor Canister Solenoid Valve Bracket GM
GM Description: 2nd design. 3.8L. 3.4L, 2002-05. 3.5L. 3.4L, 2000-01. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
1
Accessory Wiring Junction Block GM
GM Description: Instrument panel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
2
Gray Multi-Purpose Relay GM
GM Notes: PARTS: Part included with junction block.
Description: Helps connect or disconnect power to vehicle accessories
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $16.90
$11.24
MSRP $16.90
$11.24
3
Multi Purpose Relay GM
GM Notes: PARTS: Part included with junction block.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $20.88
$13.68
MSRP $20.88
$13.68
5
Circuit Breaker GM
GM Notes: PARTS: Part included with junction block.
Description: 2003-07, breaker. , instrument panel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $23.84
$15.62
MSRP $23.84
$15.62
6
Mini Fuse GM
GM Notes: PARTS: Part included with junction block.
Description: Engine compartment. 10 amp.
MSRP $7.98
$5.43
MSRP $7.98
$5.43
6
Mini Fuse GM
GM Notes: PARTS: Part included with junction block.
Description: Body junction block. 2a. , instrument panel, 2 amp. Engine compartment, 2008-09, 2 amp. Engine compartment. mini fuse 2 amp. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.14
$0.11
MSRP $0.14
$0.11
6
20 Amp Automotive Mini Fuse GM
GM Notes: PARTS: Part included with junction block.
Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $4.13
$2.82
MSRP $4.13
$2.82
6
5 Amp Minifuses GM
GM Notes: PARTS: Part included with junction block.
Description: Body, 5 amp. Engine compartment, 5 amp. Junction block, under hood, 5 amp. Relays & modules, body. Instrument panel. 5 amp. Rear compartment. 5 amp. Under hood-battery. 10-amp mini. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $0.50
$0.34
MSRP $0.50
$0.34
6
15 Amp Automotive Mini Fuse GM
GM Notes: PARTS: Part included with junction block.
Description: Body junction block. 15a. Rear body, mini, 15a. Instrument panel, mini, 15 amp. Components under hood. 15 amp. Engine compartment. Fuses & relays. mini 15 amp. Junction block, body compartment. 15 amp. Junction block, under hood. 15 amp. Underhood. 15 amp. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $0.16
$0.11
MSRP $0.16
$0.11
No.
Part # / Description / Price
Price
1
Air Cleaner Lower Housing GM
GM Description: 3.6L. 3.8L 2005-08. without supercharger. Helps hold your vehicle's air cleaner in place
Helps protect air cleaner from the elements
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
2
Engine Air Duct Insulator GM
GM Notes: PARTS: Part included with lower housing.
Description: 3.8L, 2005-08. 3.6L. 3.8L, 2004. Helps align and secure air duct components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $7.17
$5.88
MSRP $7.17
$5.88
3
Multi Purpose Retainer GM
GM Notes: PARTS: Part included with lower housing.
Description: Used to secure multiple components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $18.82
$14.86
MSRP $18.82
$14.86
4
Multi-Purpose Insulator GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.89
$3.78
MSRP $4.89
$3.78
6
Upper Housing GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 3.6L. 3.8L 2005-08. without supercharger.
MSRP $129.03
$88.84
MSRP $129.03
$88.84
7
Multi-Purpose Nut GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 3.8L, 2005-08. 3.6L. 3.8L, 2004. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.37
$6.47
MSRP $8.37
$6.47
8
Air Filter GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: Impala, Monte Carlo. 3.4L. 3.8L, 1999-2003. 1999-04 with supercharger. 3.1L, 1999-2002. 3.8L, 2005-08. 3.6L. Grand Prix. 3.8L, 2004. Helps trap airborne particles before they enter the engine
Excellent filter capacity and efficiency
Allows airflow restriction to the engine for performance
Equipped with tight seals to keep unfiltered air from entering the combustion chamber
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $29.02
$19.01
MSRP $29.02
$19.01
8
Acdelco™ Engine Air Filter GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: Impala, Monte Carlo. 3.4L. 3.8L, 1999-2003. 1999-04 with supercharger. 3.1L, 1999-2002. 3.8L, 2005-08. 3.6L. Grand Prix. 3.8L, 2004.
9
Cover GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 3.8L, federal. 3.8L, 2005-08.
9
Air Cleaner Housing Cover GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 3.8L, california. Helps protect and secure your vehicle's air cleaner system from the elements
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
10
Air Cleaner Housing Cover Latch GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 3.8L, 2005-08. 3.6L. 3.8L, 2004. Helps guide airflow to your vehicle's air filter
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $19.49
$15.38
MSRP $19.49
$15.38
12
Multi-Purpose O-Ring GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 3.8L, 2005-08. 3.6L, 2008-11. Helps prevent leaks in various components of your vehicle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
13
Air Cleaner Outlet Duct GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 3.8L, 2005-08. Helps guide airflow to your vehicle's air filter
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $147.66
$102.07
MSRP $147.66
$102.07
14
Air Cleaner Outlet Duct Clamp GM
GM Notes: PARTS: Part included with outlet duct.
Description: 1999-04, rear. 3.4L, rear. 3.8L, 2005-08. 3.1L, 1999-2002, rear. 3.8L, 2004. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Related Parts
Part # / Description / Price
Price
Manifold Absolute Pressure (MAP) Sensor GM
GM Description: LaCrosse. 3.8l. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $103.02
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Multi-Purpose Temperature Sensor GM
GM Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $46.88
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