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2021 GMC Sierra 1500

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ACDelco 12640390 Exhaust System Insulator
for 2021 GMC Sierra 1500

ACDelco 12640390 Exhaust System Insulator - 2021 GMC Sierra 1500

ACDelco
Brand:ACDelco
Part Number: 12640390
UPC: 808709967378
Weight: 0.3 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12640390 Exhaust System Insulator for your 2021 GMC Sierra 1500. Buy now and secure your purchase online!

Maintain your Chevrolet, Buick, GMC, or Cadillac vehicle with a Genuine GM Exhaust System Insulator. Only Genuine GM Parts are tested to meet GM Original Equipment standards and are designed specifically to fit your vehicle. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Designed, engineered, tested, and warranted for GM vehicles
  • For proper installation, locate your nearest GM dealer, independent service center, or body shop
  • Precise fit for ease of installation

Specifications:

Height (in):
2.39 in
Height (mm):
60.65 mm
Length (in):
3.63 in
Length:
92.27 Meter
Material Thickness (in):
0.02 in
Material Thickness (mm):
0.4 mm
Material:
Aluminized Steel Laminate
Mounting Hole Quantity:
1
Programming Required:
No
Universal Or Specific Fit:
Specific
Width:
2.39 in.
Width:
60.66 mm
Country of Origin:
US

ACDelco 12640390 Exhaust System Insulator compatibility with your 2021 GMC Sierra 1500...

Last Updated: 05/29/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2022

 

2021

 

2020

 

2019

 

2022

 

2021

 

2020

 

2019

 
GMC Sierra 1500

5.3L V8 Gas OHV
1
 
Eng: L84
8th VIN Digit: D
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



5.3L V8 Gas OHV Eng: L84
8th VIN Digit: D
Crew Cab Pickup
4 Doors

1 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2022

 

2021

 

2020

 

2019

 
GMC Sierra 1500

5.3L V8 Gas OHV
1
 
Eng: L84
8th VIN Digit: D
Extended Cab Pickup
4 Doors
 

GMC Sierra 1500



5.3L V8 Gas OHV Eng: L84
8th VIN Digit: D
Extended Cab Pickup
4 Doors

1 Per Vehicle

2022

 

2021

 

2020

 

2019

 

2022

 

2021

 

2020

 

2019

 
GMC Sierra 1500

6.2L V8 Gas OHV
1
 
Eng: L87
8th VIN Digit: L
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



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

1 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
Eng: LV3
8th VIN Digit: H
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV Eng: LV3
8th VIN Digit: H
Crew Cab Pickup
4 Doors

1 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
Eng: LV3
8th VIN Digit: H
Extended Cab Pickup
4 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV Eng: LV3
8th VIN Digit: H
Extended Cab Pickup
4 Doors

1 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
Eng: LV3
8th VIN Digit: H
Standard Cab Pickup
2 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV Eng: LV3
8th VIN Digit: H
Standard Cab Pickup
2 Doors

1 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Eng: L82
8th VIN Digit: F
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV Eng: L82
8th VIN Digit: F
Crew Cab Pickup
4 Doors

1 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Eng: L82
8th VIN Digit: F
Extended Cab Pickup
4 Doors
 

GMC Sierra 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV Eng: L82
8th VIN Digit: F
Extended Cab Pickup
4 Doors

1 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Eng: L82
8th VIN Digit: F
Standard Cab Pickup
2 Doors
 

GMC Sierra 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV Eng: L82
8th VIN Digit: F
Standard Cab Pickup
2 Doors

1 Per Vehicle

2021

 

2020

 

2019

 

2021

 

2020

 

2019

 
GMC Sierra 1500

6.2L V8 Gas OHV
1
 
Eng: L87
8th VIN Digit: L
Extended Cab Pickup
4 Doors
 

GMC Sierra 1500



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

1 Per Vehicle

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