Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2009 Buick LaCrosse Knock Sensor

2009 Buick LaCrosse Knock Sensor

My Vehicle Change Vehicle
2009 Buick LaCrosse
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Ignition, Distributors & ECM
  • Department
  • Brands
  • Prices

6 Products found

4 Q&A for Knock Sensor Repair
Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2009 Buick LaCrosse Knock Sensor Diagram - 12623730
    View Related Parts

    OEM (Genuine) 2009 Buick LaCrosse Knock Sensor

    PartNumber: 12623730
    OEM 2009 Buick LaCrosse Knock Sensor - 12623730
    Product Specifications
    • Notes: 5.3 Liter; Lacrosse; 5.3l
    • Other Names: Knock Sensor
    • Item Dimensions: 2.7 x 2.4 x 1.2 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12570125
    • Part Description: 2009 Buick LaCrosse Knock Sensor
    More Info
    Vehicle Fitment
    • 2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
    $13.42 MSRP: $25.30
    You Save: $11.88 (47%)
  • Delphi Ignition Knock Sensor for 2009 Buick LaCrosse - AS10009

    Delphi® Ignition Knock Sensor for 2009 Buick LaCrosse

    PartNumber: AS10009
    Product Specifications
    • UPC: 689604103043
    • Part Description: 2009 Buick LaCrosse Ignition Knock Sensor
    Vehicle Fitment
    • 2009 Buick LaCrosse | All Trims | 6 Cyl 3.8L
    $47.28
  • Walker Products Ignition Knock Sensor for 2009 Buick LaCrosse - 242-1049

    Walker Products® Ignition Knock Sensor for 2009 Buick LaCrosse

    PartNumber: 242-1049
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Oblong
    • Mounting Hardware Included: Yes
    • OE Part Number: 10456031
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • Terminal Type: Blade
    • UPC: 724620074714
    • Wiring Harness Included: No
    • Part Description: 2009 Buick LaCrosse Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2009 Buick LaCrosse | All Trims | 8 Cyl 5.3L
    $10.87
  • OEM 2009 Buick LaCrosse Knock Sensor Diagram - 12591625
    View Related Parts

    OEM (Genuine) 2009 Buick LaCrosse Knock Sensor

    PartNumber: 12591625
    OEM 2009 Buick LaCrosse Knock Sensor - 12591625
    Product Specifications
    • Notes: 3.8 Liter; Lacrosse; 3.8l
    • Other Names: Knock Sensor
    • Item Dimensions: 3.1 x 2.0 x 2.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10456215
    • Part Description: 2009 Buick LaCrosse Knock Sensor
    More Info
    Vehicle Fitment
    • 2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
    $69.77 MSRP: $131.66
    You Save: $61.89 (48%)
  • Delphi Ignition Knock Sensor for 2009 Buick LaCrosse - AS10261

    Delphi® Ignition Knock Sensor for 2009 Buick LaCrosse

    PartNumber: AS10261
    Product Specifications
    • UPC: 689604304242
    • Part Description: 2009 Buick LaCrosse Ignition Knock Sensor
    Vehicle Fitment
    • 2009 Buick LaCrosse | All Trims | 8 Cyl 5.3L
    $11.74
  • Walker Products Ignition Knock Sensor for 2009 Buick LaCrosse - 242-1020

    Walker Products® Ignition Knock Sensor for 2009 Buick LaCrosse

    PartNumber: 242-1020
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Round
    • Length: 61 mm
    • Mounting Hardware Included: No
    • Terminal Gender: Male
    • Terminal Quantity: 1
    • Terminal Type: Blade
    • UPC: 724620074585
    • Wiring Harness Included: No
    • Part Description: 2009 Buick LaCrosse Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2009 Buick LaCrosse | All Trims | 6 Cyl 3.8L
    $36.03

FAQ for Knock Sensor Repair

Q: How do you remove the knock sensor 1?
A:
You can remove the knock sensor 1 by draining the system cooler, disconnecting the sensor, and removing it as well.
By Omar
GM Specialist
21/12/2021
Q: What is the installation procedure for knock sensor 1?
A:
The procedure is to connect the sensor to the electrical connector and fill up the cooling system.
By Bob
GM Specialist
16/12/2021
Q: How do you install the knock sensor 2?
A:
You have to install the sensor and fill the cooling system with engine coolant.
By Bob
GM Specialist
16/12/2021
Q: What is the proper way to remove the knock sensor 2?
A:
The proper way is to drain all the fluid from the cooling system as well as disconnect and remove the sensor from the electrical connector.
By Bob
GM Specialist
13/12/2021

FAQ for Other Repair Info

Q: How many screws hold each ignition coil in place?
A:
Each Ignition Coil is held in place by 2 screws.
Q: What is the proper way to remove the lock cylinder?
A:
Disable the SIR system and remove the steering column trim covers. After removing the covers, remove the locking cylinder by pushing on the retaining pin so that the cylinder is released.
Q: After performing the diagnostic check what should I inspect?
A:
Inspect all of the vacuum hoses for correct routing, pinches, cuts, or disconnects. Inspect any hoses that are difficult to see. Inspect all of the wires in the engine compartment for the following conditions: burned or chafed spots, pinched wires, contact with sharp edges, and contact with hot exhaust manifolds.