How to service and repair the air duct on Ford F-150 Heritage?

The process to tackle air duct maintenance starts by unfastening the screws of the plenum chamber and A/C plenum demister adapter before you can separate them. Separate the demister nozzle together with duct by removing their screws. You should execute the reverse steps when installing these components. Service of floor duct starts by first removing the restraints control module and then proceeding with the removal of the RH instrument panel brace. Tear away the LH instrument panel lower nut and put the brace in place while undoing the floor duct through the removal of two screws that anchor it on both sides.

OEM Ford F-150 Heritage Air Duct

Air Hose

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Ford F-150 Heritage Outlet Tube
Part Number: 1L3Z-9B659-AA
$73.05 MSRP: $106.33
You Save: $33.28 (32%)
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Product Specifications
- Other Name: Hose - Air; Engine Air Intake Hose
- Manufacturer Note: (Supercharged)
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford F-150 Heritage | SVT Lightning, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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Ford F-150 Heritage Outlet Tube
Part Number: 3L3Z-9B659-AA
$225.98 MSRP: $331.83
You Save: $105.85 (32%)
ADD TO CART
Product Specifications
- Other Name: Hose - Air; Engine Air Intake Hose
- Manufacturer Note: Resonator & tube assy.
- Replaces: F75Z-9B659-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford F-150 Heritage | SVT Lightning, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
Ford F-150 Heritage Outlet Tube
Part Number: XL3Z-9B659-AA
Product Specifications
- Other Name: Hose - Air; Engine Air Intake Hose
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford F-150 Heritage | XL, XLT | 6 Cyl 4.2 L GAS
View related parts
Ford F-150 Heritage Intake Tube
Part Number: 4L3Z-9F843-A
Product Specifications
- Other Name: Tube - Air Inlet; Engine Air Intake Hose; Intake Coupling; Inlet Tube; Air Intake Hose
- Replaces: XL3Z-9F843-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford F-150 Heritage | SVT Lightning, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
Ford F-150 Heritage Intake Tube
Part Number: F65Z-9F843-BB
Product Specifications
- Other Name: Tube - Air Inlet; Engine Air Intake Hose; Intake Coupling; Inlet Tube; Air Intake Hose
- Manufacturer Note: Rubber air cleaner inlet tube
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford F-150 Heritage | XL, XLT | 6 Cyl 4.2 L GAS

Ford F-150 Heritage Air Duct

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Ford F-150 Heritage Air Duct Parts Questions & Experts Answers

Outlet Tube
1L3Z-9B659-AA
Q: How to service and repair the air duct on Ford F-150 Heritage?
A: The process to tackle air duct maintenance starts by unfastening the screws of the plenum chamber and A/C plenum demister adapter before you can separate them. Separate the demister nozzle together with duct by removing their screws. You should execute the reverse steps when installing these components. Service of floor duct starts by first removing the restraints control module and then proceeding with the removal of the RH instrument panel brace. Tear away the LH instrument panel lower nut and put the brace in place while undoing the floor duct through the removal of two screws that anchor it on both sides.