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  3. Engine Components
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  5. Engine Piston
  6. ACDelco 12674055

ACDelco 12674055 Engine Piston

ACDelco 12674055 Engine Piston Image 1
ACDelco 12674055 Engine Piston Image 2
ACDelco 12674055 Engine Piston

ACDelco
Brand:ACDelco
Part Number: 12674055
UPC: 195491193710
Weight: 1.32 lbs
Condition:New



On Sale:

$38.74

Availability:
2 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

Get the ACDelco 12674055 Engine Piston for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Engine Pistons are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

7/15/2022:
B0B6QB422H
Assembly Lubricant Included:
No
Bore Diameter (in):
3.7402 in
Bore Diameter (mm):
95 mm
Grade Type:
Standard
Height (in):
2.35 in
Length (in):
6.4 in
Oversized:
No
Piston Head Type:
Dome
Piston Material:
Aluminum
Piston Outside Diameter:
3.7388 in.
Piston Outside Diameter:
94.965 mm
Piston Pin Incorporated Bearings:
No
Piston Pin Inside Diameter:
0.498 in.
Piston Pin Inside Diameter:
12.65 mm
Piston Pin Length:
2.2047 in.
Piston Pin Length:
56 mm
Piston Pin Material:
Steel
Piston Pin Outside Diameter:
0.9055 in.
Piston Pin Outside Diameter:
23 mm
Piston Rings Included:
No
Programming Required:
No
Ring Material:
Steel
Weight (lb):
6.45 lb
Width (in):
6.45 in
Country of Origin:
MX

Select a vehicle to narrow ACDelco 12674055 Engine Piston fitment info!

Last Updated: 09/26/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2019

 

2019

 
Buick LaCrosse

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
AWD
 

Buick LaCrosse



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
AWD

3 Per Vehicle

2019

 

2019

 
Buick LaCrosse

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
FWD
 

Buick LaCrosse



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
FWD

3 Per Vehicle

2018

 

2018

 
Buick LaCrosse

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
EXCEPT ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
AWD
 

Buick LaCrosse



3.6L V6 Gas DOHC

Right (Passenger) EXCEPT ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
AWD

3 Per Vehicle

2018

 

2018

 
Buick LaCrosse

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
EXCEPT ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
FWD
 

Buick LaCrosse



3.6L V6 Gas DOHC

Right (Passenger) EXCEPT ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S
Mfr Code: 9T60
FWD

3 Per Vehicle

2017

 

2017

 
Buick LaCrosse

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
Mfr Code: AF50-8
AWD
 

Buick LaCrosse



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
Mfr Code: AF50-8
AWD

3 Per Vehicle

2017

 

2017

 
Buick LaCrosse

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
Mfr Code: AF50-8
FWD
 

Buick LaCrosse



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
Mfr Code: AF50-8
FWD

3 Per Vehicle

2020

 

2019

 

2020

 

2019

 
Buick Regal Sportback

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S
AWD
 

Buick Regal Sportback



3.6L V6 Gas DOHC

Right (Passenger) ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S
AWD

3 Per Vehicle

2018

 

2018

 
Buick Regal Sportback

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S
 

Buick Regal Sportback



3.6L V6 Gas DOHC

Right (Passenger) ENGINE OIL COOLER(KPS)
Eng: LGX
8th VIN Digit: S

3 Per Vehicle

2019

 

2018

 

2017

 

2016

 

2019

 

2018

 

2017

 

2016

 
Cadillac ATS

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
AWD
 

Cadillac ATS



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
AWD

3 Per Vehicle

2019

 

2018

 

2017

 

2016

 

2019

 

2018

 

2017

 

2016

 
Cadillac ATS

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
RWD
 

Cadillac ATS



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
RWD

3 Per Vehicle

2020

 

2020

 
Cadillac CT6

3.6L V6 Gas DOHC
1
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
 

Cadillac CT6



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S

1 Per Vehicle

2019

 

2018

 

2017

 

2016

 

2019

 

2018

 

2017

 

2016

 
Cadillac CT6

3.6L V6 Gas DOHC
1
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
AWD
 

Cadillac CT6



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
AWD

1 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Cadillac CT6

3.6L V6 Gas DOHC
1
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
 

Cadillac CT6



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S

1 Per Vehicle

2019

 

2018

 

2017

 

2016

 

2019

 

2018

 

2017

 

2016

 
Cadillac CTS

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
AWD
 

Cadillac CTS



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
AWD

3 Per Vehicle

2019

 

2018

 

2017

 

2016

 

2019

 

2018

 

2017

 

2016

 
Cadillac CTS

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
RWD
 

Cadillac CTS



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
RWD

3 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Cadillac XT5

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
4WD
 

Cadillac XT5



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
4WD

3 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Cadillac XT5

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
FWD
 

Cadillac XT5



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
FWD

3 Per Vehicle

2019

 

2018

 

2017

 

2019

 

2018

 

2017

 
Cadillac XT5

3.6L V6 Gas DOHC
1
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
4WD
 

Cadillac XT5



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
4WD

1 Per Vehicle

2019

 

2018

 

2017

 

2019

 

2018

 

2017

 
Cadillac XT5

3.6L V6 Gas DOHC
1
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
FWD
 

Cadillac XT5



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
FWD

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Cadillac XT6

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
4WD
 

Cadillac XT6



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
4WD

3 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Cadillac XT6

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
FWD
 

Cadillac XT6



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
FWD

3 Per Vehicle

2023

 

2023

 
Chevrolet Blazer

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
4WD
 

Chevrolet Blazer



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
4WD

3 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2019

 

2023

 

2022

 

2021

 

2020

 

2019

 
Chevrolet Blazer

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
FWD
 

Chevrolet Blazer



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
FWD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2022

 

2021

 

2020

 

2019

 
Chevrolet Blazer

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
AWD
 

Chevrolet Blazer



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
AWD

3 Per Vehicle

2023

 

2022

 

2023

 

2022

 
Chevrolet Camaro

3.6L V6 Gas DOHC
3
 		 
Eng: LGX
8th VIN Digit: S
Convertible
 

Chevrolet Camaro



3.6L V6 Gas DOHC Eng: LGX
8th VIN Digit: S
Convertible

3 Per Vehicle

2023

 

2022

 

2023

 

2022

 
Chevrolet Camaro

3.6L V6 Gas DOHC
3
 		 
Eng: LGX
8th VIN Digit: S
Coupe
 

Chevrolet Camaro



3.6L V6 Gas DOHC Eng: LGX
8th VIN Digit: S
Coupe

3 Per Vehicle

2021

 

2020

 

2019

 

2018

 

2017

 

2016

 

2021

 

2020

 

2019

 

2018

 

2017

 

2016

 
Chevrolet Camaro

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
 

Chevrolet Camaro



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
Chevrolet Colorado

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
4WD
 

Chevrolet Colorado



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
4WD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
Chevrolet Colorado

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
4WD
 

Chevrolet Colorado



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
4WD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
Chevrolet Colorado

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
RWD
 

Chevrolet Colorado



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
RWD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
Chevrolet Colorado

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
4WD
 

Chevrolet Colorado



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
4WD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
Chevrolet Colorado

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
RWD
 

Chevrolet Colorado



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
RWD

3 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
GMC Acadia

3.6L V6 Gas DOHC
1
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
4WD
 

GMC Acadia



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
4WD

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
GMC Acadia

3.6L V6 Gas DOHC
1
 
Right (Passenger)
 
Eng: LGX
8th VIN Digit: S
FWD
 

GMC Acadia



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGX
8th VIN Digit: S
FWD

1 Per Vehicle

2022

 

2021

 

2020

 

2022

 

2021

 

2020

 
GMC Canyon

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
4WD
 

GMC Canyon



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
4WD

3 Per Vehicle

2022

 

2021

 

2020

 

2022

 

2021

 

2020

 
GMC Canyon

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
RWD
 

GMC Canyon



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
RWD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
GMC Canyon

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
4WD
 

GMC Canyon



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
4WD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
GMC Canyon

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
RWD
 

GMC Canyon



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 128.3 In.
RWD

3 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 
GMC Canyon

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
4WD
 

GMC Canyon



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
4WD

3 Per Vehicle

2019

 

2018

 

2017

 

2019

 

2018

 

2017

 
GMC Canyon

3.6L V6 Gas DOHC
3
 
Right (Passenger)
 
Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
RWD
 

GMC Canyon



3.6L V6 Gas DOHC

Right (Passenger) Eng: LGZ
8th VIN Digit: N
Wheel Base 140.5 In.
RWD

3 Per Vehicle