
Installation Instructions
For Part Numbers:
300-147 720-128 Airaid Oiled Media Filter
301-147 721-128 SynthaMax Dry Media Filter - Red
302-147 722-128 SynthaMax Dry Media Filter - Black
303-147 723-128 SynthaMax Dry Media Filter - Blue
2003-04 Dodge Ram 2500/3500
5.9L I6 Cummins Diesel
(Note : Use P/N 300-159 For vehicles with op-
tional “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 27” 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 Inta ke Air Temper atur e
(IAT) sensor wir ing h ar ness by pushing down
on the tab, and sliding the connector back.
B.) Using the pr ovided T -20 torx bit, remove the
two IAT sensor mounting bolts and the sensor
from the tube (save for reuse).
2. Remove the factory filter minder and rubber grommet (save for reuse).
3. Using a 7mm socket, loosen the hose clamp
where the factory intake tube connects to the
turbo housing.
4. Unlatch the three clips on the factory air box.
Remove the factory intake tube assembly and airbox lid from the vehicle.
A
A
5. A.) Loosen the hose clamp that secures the facto-
ry 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.
B
6. 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.
7. 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 toward the turbocharger inlet.
8. Install the Airaid Intake Tube assembly onto the
turbocharger inlet. Tighten the factory hose clamp.
9. 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).

B.
A.
10. Mount the air filter adapter (#5) onto the
CAD, usin g thr ee 1/4-20x 5/8” hex bolts
(#10), and three 1/4” flat washers (#11).
13. Slip the intake tube onto the air filter adapter, and tighten the clamp.
11. Install the factory IAT sensor into
the air filter adapter using two 8-32 button head screws (#12), and #8 flat washers (#13). Install the factory rubber
grommet and filter minder into the air
filter adapter.
14. Reconnect the IAT sensor wiring harness to
the sensor.
12. 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.
15. Install the Airaid Premium Filter (#1) onto
the air filter adapter. Install the weather strip
(#6) onto the top of the CAD. (Hint: start at
one end, and work to the other).
16. 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.
17. Reconnect the negative battery cable!
Thank you for purchasing the Airaid Intake System. Contact Airaid @ (800) 498-6951 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 RESPONSIBILTY! 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!
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.
P/N 790-551 Aerosol Spray
P/N 790-550 Squeeze Spray
Airaid Filter Co. 2688 E Rose Garden Ln. Phoenix AZ 85050 (800) 498-6951 AiraidInfo@airaid.com www.airaid.com
REV.11.1.13