How to service the throttle body on Buick LaCrosse?

To service the Throttle Body start with removing the air cleaner intake duct. Open the throttle valve to maximum to check for deposits in the bore of the Throttle Body and throttle valve plate. Clean Throttle Body bore and throat valve plate with clean shop towel and top engine cleaner (GM P/N 1052626) or like product; if required, use a parts cleaning brush to clean heavy deposits. Do not use an immersion cleaner or stronger solvent on assemblies that have the throttle position (TP) sensor, idle air control (IAC) valve and sealed throttle shaft bearings because these cleaners have the potential to harm the electric components and sensors as well as seals or o-rings. In addition, solvents can carry away non serviceable throttle shaft bearings' bearing grease. Avoid using a wirebrush/scrapper as well because these devices could damage Throttle Body parts; do not clean with solutions that contain the substances like methyl ethyl ketone, which is, however, unnecessary for this cleaning exercise. Lastly, load the air cleaner duct in place.

OEM Buick LaCrosse Throttle Body

Fuel Injection Throttle Body

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9 Throttle Bodies found

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Buick LaCrosse Throttle Body, Green Line Part Number: 12631186
$172.36 MSRP: $350.06
You Save: $177.70 (51%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter; Throttle Body Assembly; Electronic Throttle Body.
- Replaced by: 12694871
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL | 4 Cyl 2.4 L GAS
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Buick LaCrosse Throttle Body Part Number: 12694873
$207.58 MSRP: $421.60
You Save: $214.02 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter; Fuel Injectr Electronic Throttle Body Assembly; Fuel Injection Throttle Body Assembly
- Replaces: 12616995, 12593591
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Throttle Body Part Number: 12670981
$196.97 MSRP: $400.08
You Save: $203.11 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12632172, 12671015, 12669016
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2019 Buick LaCrosse | Avenir, Base, Convenience, Essence, Leather, Preferred, Premium, Sport Touring, Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Throttle Body Part Number: 12670839
$186.18 MSRP: $378.14
You Save: $191.96 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12627217, 12669073
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Throttle Body Part Number: 12670834
$132.34 MSRP: $268.78
You Save: $136.44 (51%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12632101, 12669146
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | Base, Convenience, Leather, Premium | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Throttle Body Part Number: 12589056
$192.62 MSRP: $542.34
You Save: $349.72 (65%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter; Fuel Injection Throttle Body Assembly
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Throttle Body Part Number: 12694877
$196.59 MSRP: $369.18
You Save: $172.59 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12616438, 12588244, 12631016
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
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Buick LaCrosse Throttle Body Part Number: 12694878
$213.25 MSRP: $389.36
You Save: $176.11 (46%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12616994, 12609009, 12604075
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010 Buick LaCrosse | CX, CXL | 6 Cyl 3.0 L GAS
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Buick LaCrosse Throttle Body Part Number: 19420718
Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12607894, 12576729, 12590132
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS

Buick LaCrosse Throttle Body

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Buick LaCrosse Throttle Body Parts Questions & Experts Answers

Throttle Body
12589056
Q: How to service the throttle body on Buick LaCrosse?
A:
To service the Throttle Body start with removing the air cleaner intake duct. Open the throttle valve to maximum to check for deposits in the bore of the Throttle Body and throttle valve plate. Clean Throttle Body bore and throat valve plate with clean shop towel and top engine cleaner (GM P/N 1052626) or like product; if required, use a parts cleaning brush to clean heavy deposits. Do not use an immersion cleaner or stronger solvent on assemblies that have the throttle position (TP) sensor, idle air control (IAC) valve and sealed throttle shaft bearings because these cleaners have the potential to harm the electric components and sensors as well as seals or o-rings. In addition, solvents can carry away non serviceable throttle shaft bearings' bearing grease. Avoid using a wirebrush/scrapper as well because these devices could damage Throttle Body parts; do not clean with solutions that contain the substances like methyl ethyl ketone, which is, however, unnecessary for this cleaning exercise. Lastly, load the air cleaner duct in place.