×
Live Chat
1-888-737-9766
Buick Parts
Cadillac Parts
Chevrolet Parts
GMC Parts
Hummer Parts
Oldsmobile Parts
Pontiac Parts
Saturn Parts
GM Accessories
Login/Register
My Account
Track Order
Help Center
Contact Us
Contact Us
Live Chat
or
1-888-737-9766
Buick Parts
Cadillac Parts
Chevrolet Parts
GMC Parts
GM Parts
Hummer Parts
Oldsmobile Parts
Pontiac Parts
Saturn Parts
GM Accessories
My Garage
My Account
Cart
Search Bar
Search by Part Number, Part Name, or Vehicle
Track Order
Help Center
Home
>
GMC
>
Sierra
>
A/C Switch
>
2021
Genuine 2021 GMC Sierra A/C Switch
Air Conditioning Switch
Select Vehicle by Model
Select Vehicle by VIN
Select Vehicle by Model
Make
Model
Year
Go
or
Select Vehicle by VIN
Go
For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).
12 A/C Switches found
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly Remote
Part Number:
84579087
$74.50
MSRP:
$156.51
You Save: $82.01 (53%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C Rem; Controller, Dash Control Unit
Item Weight:
2.00 Pounds
Item Dimensions:
9.3 x 3.8 x 3.3 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84579087
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly User Interface
Part Number:
84692238
$56.55
MSRP:
$102.82
You Save: $46.27 (45%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C User Interface; Heater Control
Replaced by:
84963890
Item Weight:
1.10 Pounds
Item Dimensions:
11.8 x 5.0 x 5.0 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84692238
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly Remote
Part Number:
84579089
$75.74
MSRP:
$142.90
You Save: $67.16 (47%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C Rem; Controller, Dash Control Unit, Heater Control
Item Weight:
2.00 Pounds
Item Dimensions:
9.3 x 3.8 x 3.4 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84579089
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly User Interface
Part Number:
84499507
$115.09
MSRP:
$209.26
You Save: $94.17 (45%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C User Interface; Dash Control Unit, Heater Control
Item Weight:
0.80 Pounds
Item Dimensions:
11.5 x 4.8 x 4.8 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84499507
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly User Interface
Part Number:
84692239
$49.91
MSRP:
$152.36
You Save: $102.45 (68%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C User Interface; Heater Control
Item Weight:
1.10 Pounds
Item Dimensions:
11.7 x 4.8 x 4.9 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84692239
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly Remote
Part Number:
84579088
$58.29
MSRP:
$109.98
You Save: $51.69 (47%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C Rem; Controller, Dash Control Unit
Item Weight:
2.00 Pounds
Item Dimensions:
11.1 x 3.3 x 3.4 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84579088
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly User Interface
Part Number:
84499500
$117.73
MSRP:
$214.07
You Save: $96.34 (45%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C User Interface; Dash Control Unit, Heater Control
Item Weight:
0.80 Pounds
Item Dimensions:
11.4 x 4.8 x 4.9 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84499500
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly User Interface
Part Number:
84499501
$121.45
MSRP:
$229.16
You Save: $107.71 (47%)
Ships in 1-2 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C User Interface; Dash Control Unit, Heater Control
Item Weight:
0.80 Pounds
Item Dimensions:
11.8 x 4.8 x 5.0 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84499501
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly User Interface
Part Number:
84692231
$115.91
MSRP:
$208.85
You Save: $92.94 (45%)
Ships in 1-3 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C User Interface; Heater Control
Item Weight:
0.90 Pounds
Item Dimensions:
11.6 x 4.8 x 4.8 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84692231
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra Heater & Air Conditioner Control Assembly User Interface
Part Number:
84692243
$148.06
MSRP:
$266.78
You Save: $118.72 (45%)
Ships in 1-3 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Other Name:
Control Assembly, Htr & A/C User Interface; Heater Control
Item Weight:
0.80 Pounds
Item Dimensions:
11.8 x 5.0 x 4.9 inches
Condition:
New
Fitment Type:
Direct Replacement
SKU:
84692243
Warranty:
This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
View related parts
2021 GMC Sierra CONTROL ASM-HTR & A/C USER INTERFACE
Part Number:
85580558
$131.36
MSRP:
$236.68
You Save: $105.32 (45%)
Ships in 1-3 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Condition:
New
Fitment Type:
Direct Replacement
SKU:
85580558
Warranty:
This genuine part is guaranteed by GM's factory warranty.
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl5.3L
View related parts
2021 GMC Sierra CONTROL ASM-HTR & A/C USER INTERFACE
Part Number:
85580562
$133.46
MSRP:
$240.46
You Save: $107.00 (45%)
Ships in 1-3 Business Days
ADD TO CART
Make sure this part fits,
Select Vehicle
Product Specifications
Condition:
New
Fitment Type:
Direct Replacement
SKU:
85580562
Warranty:
This genuine part is guaranteed by GM's factory warranty.
Fits the following 2021 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
| 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl5.3L
Related 2021 GMC Sierra Parts
2021 GMC Sierra A/C Expansion Valve
2021 GMC Sierra A/C Compressor
2021 GMC Sierra Blower Motor
2021 GMC Sierra Blower Motor Resistor
2021 GMC Sierra A/C Hose
2021 GMC Sierra A/C Condenser Fan
2021 GMC Sierra A/C Accumulator
2021 GMC Sierra A/C Clutch
2021 GMC Sierra Evaporator
Alternate Year Models
+
2020 GMC Sierra A/C Switch