Airaid 300-159 Installation Instructions

Installation Instructions

For Part Numbers:

300-159 720-128 Airaid Oiled Media Filter
301-159 721-128 SynthaMax Dry Media Filter - Red
302-159 722-128 SynthaMax Dry Media Filter - Black
303-159 723-128 SynthaMax Dry Media Filter - Blue

2004-07 Dodge Ram 2500/3500

5.9L I6 Cummins Diesel
Note : Use P/N 300-147 For Vehicles with
optional “quiet hood pad”

Component Identification

1. Airaid Premium Filter 1

2. Front Air Dam Panel 1

3. Rear Air Dam Panel 1

4. Airaid Intake Tube 1

5. Air Filter Adapter 1

6. Weather Strip 24¼” 1

7. 6-32 x 5/16” Screw 4

8. #6 Flat Washer 4

9. 6-32 Keps Nut 4

10. ¼ -20 x 5/8” Hex Bolt 3

11. ¼” Flat Washer 3

12. 8-32 Button Head Screw 2

13. #8 Flat Washer 2

14. T20 Torx Bit 1

Full color instructions can be viewed on our web site at Airaid.com. Use the Product Search function to find your part number, and click View Details.

A.

B.

1. Disconnect the negative battery cable.
A.) Disconn ect the In take Air Temper a tur e

(IAT) sensor wir ing harness by p ushin g down
on the tab, and sliding the connector back.
B.) Using the provided T -20 torx bit, remove the
two IAT sensor mounting bolts and the sensor
from the tube (save for reuse).

A

A

B

2. Using a 7mm socket, loosen the hose clamp

where the factory intake tube connects to the
turbo housing.

3. Unlatch the three clips on the factory air box.
Remove the factory intake tube assembly and
airbox lid from the vehicle.

4. A.) Loosen the hose clamp that secures the facto­ry airbox lid to the intake tube assembly, and re­move the assembly from the lid.
B.) Loosen the hose clamps above and below the
factory silencer tube. Remove the factory silencer
tube, and save the factory intake tubes.

7. Install the Airaid Intake Tube assembly onto the
turbocharger inlet. Tighten the factory hose clamp.

5. Replace the factory silencer tube with the
Airaid Intake tube (#4). Complete the Airaid
Intake tube assembly by aligning the notches in
the tubes, and tightening the factory hose
clamps.

8. Assemble the Airaid Cool Air Dam (CAD)
panels (#2, #3) using four 6-32x 5/16” screws
(#7), #6 flat washers (#8) and 6-32 keps nuts
(#9).

6. Note: Each side of the Airaid Intake Tube has
notches that must be aligned with the notches on
the factory intake tubes. Also, the flow arrow
must point down towards the turbocharger inlet.

9. Mount the air filter adapter (#5) onto the CAD,
using three 1/4-20x 5/8” hex bolts (#10), and
three 1/4” flat washers (#11).

A.

B.

10. Install the factory IAT sensor into the air

filter adapter using two 8-32 button head
screws (#12), and #8 flat washers (#13).

13. Reconnect the IAT sensor wiring harness to
the sensor.

11. A.) Install the CAD by inserting the four tabs
into the side of the factory airbox.
B.) Relatch the three airbox clips onto the CAD.

14. Install the Airaid Premium Filter (#1) onto the
air filter adapter, and tighten the clamp. Install the
weather strip (#6) onto the top of the CAD. (Hint:
start at one end, and work to the other).

12. Slip the intake tube onto the air filter
adapter, and tighten the clamp.

15. Double check your work!

Make sure there is no foreign material
in the intake path. Make sure all
clamps, hoses, bolts, and screws are
tight.

16. Reconnect the negative bat­tery cable!

Thank you for purchasing the Airaid Intake System. Contact Airaid @ [phone] 8:00 AM - 5:00 PM MST weekdays for questions
regarding fit or instructions that are not clear to you. Your Airaid Intake System was carefully inspected and packaged. Check that no parts are
missing, or were damaged during shipping. If any parts are missing, contact Airaid. The air filter element is protected from direct exposure to wa­ter and debris; care should be taken not to drive through deep water. WATER INGESTION IS THE DRIVERS RESPONSIBILITY! The air filter
is reusable and should be cleaned periodically.

FILTER IDENTIFICATION

720-128 Airaid Oiled Media 721-128 Airaid SynthaMax Dry Media - Red

722-128 Airaid SynthaMax Dry Media - Black 723-128 Airaid SynthaMax Dry Media - Blue

For your Oiled media filter we

suggest using the AIRAID Filter

Tune-Up Kit!

P/N 790-551 Aerosol Spray
P/N 790-550 Squeeze Spray

Synthamax Air Filters do not require oil.
Service air filter as needed by cleaning
with common non-petroleum all-purpose
household cleaner and water. Simple
Green®, Formula 409® or equivalent
works great. Apply cleaner to outside of
air filter and allow to soak. Then flush
filter clean from the inside out with a gar­den hose and repeat steps if necessary.
Do not apply high pressure water or air
to clean filter. Allow filter to air dry and
reinstall.

Airaid Filter Co. 2688 E Rose Garden Ln. Phoenix AZ 85050 [phone] [e-mail] www.airaid.com

REV.11.4.13