How to service and repair the A/C Switch for the Auxiliary Heater Control Module (AHCM) on 2008 Ford F-350 Super Duty?

A repair or service procedure for the Auxiliary Heater Control Module (AHCM) starts with instrument panel removal. First disconnect the two electric heater battery cable connectors after unscrewing the cable bracket screw. Start by removing the heater core cover through uninstalling its two mounting screws then proceed to take off the cover. First disconnect the AHCM electrical connector after removing the holding screws which secure the AHCM. Finally, remove the AHCM. The installation process for the new module should be done by following the steps in opposite order from removal.

OEM 2008 Ford F-350 Super Duty A/C Switch

Air Conditioning Switch

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8 A/C Switches found

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2008 Ford F-350 Super Duty Blower Motor Switch
Part Number: 7C3Z-19986-A
$20.66 MSRP: $32.80
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Product Specifications
- Other Name: Switch Assembly; Climate Control Module; Blower Control Switch; Blower Motor Resistor
- Manufacturer Note: Switch - blower motor
- Base No.: 19986
- Item Weight: 0.70 Pounds
- Item Dimensions: 3.1 x 1.7 x 2.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7C3Z-19986-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL
View related parts
2008 Ford F-350 Super Duty Heater Control
Part Number: 7C3Z-19980-K
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Manufacturer Note: Module - Electronic Automatic Temperature Control (EATC)
- Replaces: 7C3Z-19980-C
- Base No.: 19980
- Item Weight: 2.20 Pounds
- Item Dimensions: 4.6 x 3.0 x 10.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7C3Z-19980-K
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL, 8 Cyl 6.4 L DIESEL
View related parts
2008 Ford F-350 Super Duty Dash Control Unit
Part Number: 7C3Z-19980-H
Product Specifications
- Other Name: Control; Climate Control Module
- Manufacturer Note: Module - Electronic Automatic Temperature Control (EATC)
- Replaces: 9C3Z-19980-B, 7C3Z-19980-B
- Base No.: 19980
- Item Weight: 1.20 Pounds
- Item Dimensions: 7.1 x 3.6 x 3.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7C3Z-19980-H
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL
View related parts
2008 Ford F-350 Super Duty Dash Control Unit
Part Number: 9C3Z-18549-B
Product Specifications
- Other Name: Control Assembly - Heater; Climate Control Module
- Replaces: 7C3Z-18549-A, 9C3Z-18549-A
- Base No.: 18549
- Item Weight: 1.20 Pounds
- Item Dimensions: 7.2 x 3.5 x 3.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9C3Z-18549-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL, 8 Cyl 6.4 L DIESEL
View related parts
2008 Ford F-350 Super Duty Heater Control
Part Number: 9C3Z-19980-J
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 9C3Z-19980-F, 7C3Z-19980-F
- Base No.: 19980
- Item Weight: 1.20 Pounds
- Item Dimensions: 7.1 x 3.4 x 3.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9C3Z-19980-J
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL
View related parts
2008 Ford F-350 Super Duty Dash Control Unit
Part Number: 9C3Z-19980-H
Product Specifications
- Other Name: Control; Climate Control Module
- Replaces: 9C3Z-19980-E, 7C3Z-19980-E
- Base No.: 19980
- Item Weight: 1.40 Pounds
- Item Dimensions: 12.7 x 4.5 x 6.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9C3Z-19980-H
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL
View related parts
2008 Ford F-350 Super Duty Heater Control
Part Number: 9C3Z-19980-G
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 7C3Z-19980-D, 9C3Z-19980-D
- Base No.: 19980
- Item Weight: 1.20 Pounds
- Item Dimensions: 10.5 x 4.4 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9C3Z-19980-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL
View related parts
2008 Ford F-350 Super Duty Heater Control
Part Number: 7C3Z-19980-J
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Manufacturer Note: Module - Electronic Automatic Temperature Control (EATC)
- Replaces: 7C3Z-19980-A
- Base No.: 19980
- Item Weight: 1.20 Pounds
- Item Dimensions: 7.7 x 3.6 x 3.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7C3Z-19980-J
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford F-350 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL

2008 Ford F-350 Super Duty A/C Switch

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2008 Ford F-350 Super Duty A/C Switch available at FordPartsDeal.com. You can confidently purchase our OEM 2008 Ford F-350 Super Duty A/C Switch as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2008 Ford F-350 Super Duty A/C Switch Parts Questions & Experts Answers

Q: How to service and repair the A/C Switch for the Auxiliary Heater Control Module (AHCM) on 2008 Ford F-350 Super Duty?
A: A repair or service procedure for the Auxiliary Heater Control Module (AHCM) starts with instrument panel removal. First disconnect the two electric heater battery cable connectors after unscrewing the cable bracket screw. Start by removing the heater core cover through uninstalling its two mounting screws then proceed to take off the cover. First disconnect the AHCM electrical connector after removing the holding screws which secure the AHCM. Finally, remove the AHCM. The installation process for the new module should be done by following the steps in opposite order from removal.