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  2. Auto Parts
  3. Engine Components
  4. Cylinder Block Components
  5. Engine Piston
  6. ACDelco 12656874

ACDelco 12656874 Engine Piston

ACDelco 12656874 Engine Piston

ACDelco
Brand:ACDelco
Part Number: 12656874
UPC: 195491142336
Weight: 1.54 lbs
Condition:New



On Sale:

$48.82

Availability:
10 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the ACDelco 12656874 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:

Assembly Lubricant Included:
No
Grade Type:
Standard
Oversized:
No
Piston Head Type:
Dome
Piston Material:
Aluminum
Piston Outside Diameter:
103.253 mm
Piston Outside Diameter:
4.0651 in.
Piston Pin Incorporated Bearings:
No
Piston Pin Inside Diameter:
0.5102 in.
Piston Pin Inside Diameter:
12.96 mm
Piston Pin Length:
2.5736 in.
Piston Pin Length:
65.37 mm
Piston Pin Material:
Steel
Piston Pin Outside Diameter:
0.9447 in.
Piston Pin Outside Diameter:
23.995 mm
Piston Rings Included:
No
Programming Required:
No
Ring Material:
Steel
Country of Origin:
US

Select a vehicle to narrow ACDelco 12656874 Engine Piston fitment info!

Last Updated: 09/26/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2023

 

2023

 
Cadillac Escalade

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Cadillac Escalade



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

1 Per Vehicle

2023

 

2023

 
Cadillac Escalade

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Cadillac Escalade



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

8 Per Vehicle

2022

 

2021

 

2022

 

2021

 
Cadillac Escalade

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
 

Cadillac Escalade



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L

4 Per Vehicle

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 
Cadillac Escalade

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

Cadillac Escalade



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2023

 

2023

 
Cadillac Escalade ESV

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Cadillac Escalade ESV



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

1 Per Vehicle

2023

 

2023

 
Cadillac Escalade ESV

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Cadillac Escalade ESV



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

8 Per Vehicle

2022

 

2021

 

2022

 

2021

 
Cadillac Escalade ESV

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
 

Cadillac Escalade ESV



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L

4 Per Vehicle

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 
Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

Cadillac Escalade ESV



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2023

 

2022

 

2021

 

2023

 

2022

 

2021

 
Chevrolet Camaro

6.2L V8 Gas OHV
1
 
Right (Passenger)
 
Eng: LT1
8th VIN Digit: 7
Convertible
 

Chevrolet Camaro



6.2L V8 Gas OHV

Right (Passenger) Eng: LT1
8th VIN Digit: 7
Convertible

1 Per Vehicle

2023

 

2022

 

2021

 

2023

 

2022

 

2021

 
Chevrolet Camaro

6.2L V8 Gas OHV
1
 
Right (Passenger)
 
Eng: LT1
8th VIN Digit: 7
Coupe
 

Chevrolet Camaro



6.2L V8 Gas OHV

Right (Passenger) Eng: LT1
8th VIN Digit: 7
Coupe

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2016

 

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2016

 
Chevrolet Camaro

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: LT1
8th VIN Digit: 7
Convertible
 

Chevrolet Camaro



6.2L V8 Gas OHV

Right (Passenger) Eng: LT1
8th VIN Digit: 7
Convertible

4 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2016

 

2023

 

2022

 

2021

 

2020

 

2019

 

2018

 

2017

 

2016

 
Chevrolet Camaro

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: LT1
8th VIN Digit: 7
Coupe
 

Chevrolet Camaro



6.2L V8 Gas OHV

Right (Passenger) Eng: LT1
8th VIN Digit: 7
Coupe

4 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Corvette

6.2L V8 Gas OHV
1
 		 
Engine Piston Kit
Eng: LT2
8th VIN Digit: 4
 

Chevrolet Corvette



6.2L V8 Gas OHV Engine Piston Kit
Eng: LT2
8th VIN Digit: 4

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Corvette

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: LT2
8th VIN Digit: 4
 

Chevrolet Corvette



6.2L V8 Gas OHV

Right (Passenger) Eng: LT2
8th VIN Digit: 4

4 Per Vehicle

2019

 

2018

 

2017

 

2016

 

2015

 

2014

 

2019

 

2018

 

2017

 

2016

 

2015

 

2014

 
Chevrolet Corvette

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: LT1
8th VIN Digit: 7
 

Chevrolet Corvette



6.2L V8 Gas OHV

Right (Passenger) Eng: LT1
8th VIN Digit: 7

4 Per Vehicle

2023

 

2023

 
Chevrolet Silverado 1500

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS
 

Chevrolet Silverado 1500



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS

1 Per Vehicle

2023

 

2023

 
Chevrolet Silverado 1500

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS
 

Chevrolet Silverado 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS

8 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2022

 

2021

 

2020

 

2019

 
Chevrolet Silverado 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors
 

Chevrolet Silverado 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors

4 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2022

 

2021

 

2020

 

2019

 
Chevrolet Silverado 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Extended Cab Pickup
4 Doors
 

Chevrolet Silverado 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Extended Cab Pickup
4 Doors

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2018

 

2017

 

2016

 

2015

 
Chevrolet Silverado 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

Chevrolet Silverado 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2014

 

2014

 
Chevrolet Silverado 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
Mfr Code: 6L80
 

Chevrolet Silverado 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J
Mfr Code: 6L80

4 Per Vehicle

2022

 

2022

 
Chevrolet Silverado 1500 LTD

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors
 

Chevrolet Silverado 1500 LTD



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors

4 Per Vehicle

2022

 

2022

 
Chevrolet Silverado 1500 LTD

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Extended Cab Pickup
4 Doors
 

Chevrolet Silverado 1500 LTD



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Extended Cab Pickup
4 Doors

4 Per Vehicle

2023

 

2023

 
Chevrolet Suburban

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Chevrolet Suburban



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

1 Per Vehicle

2023

 

2023

 
Chevrolet Suburban

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Chevrolet Suburban



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

8 Per Vehicle

2022

 

2021

 

2022

 

2021

 
Chevrolet Suburban

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
 

Chevrolet Suburban



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L

4 Per Vehicle

2020

 

2019

 

2020

 

2019

 
Chevrolet Suburban

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

Chevrolet Suburban



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2023

 

2023

 
Chevrolet Tahoe

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Chevrolet Tahoe



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

1 Per Vehicle

2023

 

2023

 
Chevrolet Tahoe

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

Chevrolet Tahoe



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

8 Per Vehicle

2022

 

2021

 

2022

 

2021

 
Chevrolet Tahoe

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
 

Chevrolet Tahoe



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L

4 Per Vehicle

2020

 

2019

 

2018

 

2020

 

2019

 

2018

 
Chevrolet Tahoe

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

Chevrolet Tahoe



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2023

 

2023

 
GMC Sierra 1500

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS
 

GMC Sierra 1500



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS

1 Per Vehicle

2023

 

2023

 
GMC Sierra 1500

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS
 

GMC Sierra 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80/MHS

8 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2022

 

2021

 

2020

 

2019

 
GMC Sierra 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors

4 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Extended Cab Pickup
4 Doors
 

GMC Sierra 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Extended Cab Pickup
4 Doors

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2018

 

2017

 

2016

 

2015

 
GMC Sierra 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

GMC Sierra 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2014

 

2014

 
GMC Sierra 1500

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
Mfr Code: 6L80
 

GMC Sierra 1500



6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J
Mfr Code: 6L80

4 Per Vehicle

2022

 

2022

 
GMC Sierra 1500 Limited

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500 Limited



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors

4 Per Vehicle

2023

 

2023

 
GMC Yukon

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

GMC Yukon



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

1 Per Vehicle

2023

 

2023

 
GMC Yukon

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

GMC Yukon



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

8 Per Vehicle

2022

 

2021

 

2022

 

2021

 
GMC Yukon

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
 

GMC Yukon



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L

4 Per Vehicle

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 
GMC Yukon

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

GMC Yukon



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2023

 

2023

 
GMC Yukon XL

6.2L V8 Gas OHV
1
 		 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

GMC Yukon XL



6.2L V8 Gas OHV Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

1 Per Vehicle

2023

 

2023

 
GMC Yukon XL

6.2L V8 Gas OHV
8
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
Mfr Code: 10L80
 

GMC Yukon XL



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L
Mfr Code: 10L80

8 Per Vehicle

2022

 

2021

 

2022

 

2021

 
GMC Yukon XL

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L87
8th VIN Digit: L
 

GMC Yukon XL



6.2L V8 Gas OHV

Right (Passenger) Eng: L87
8th VIN Digit: L

4 Per Vehicle

2020

 

2019

 

2018

 

2017

 

2016

 

2020

 

2019

 

2018

 

2017

 

2016

 
GMC Yukon XL

6.2L V8 Gas OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

GMC Yukon XL



6.2L V8 Gas OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 

2020

 

2019

 

2018

 

2017

 

2016

 

2015

 
GMC Yukon XL

6.2L V8 Flex OHV
4
 
Right (Passenger)
 
Eng: L86
8th VIN Digit: J
 

GMC Yukon XL



6.2L V8 Flex OHV

Right (Passenger) Eng: L86
8th VIN Digit: J

4 Per Vehicle