Medium Duty Onboard Air System. For vehicles with up to 33-inch tires.

By ordering a single part number, you can take all of the guess-work out of getting all of the parts you'll need to install one of the most sophisticated, all-inclusive onboard air systems available today. The Medium Duty Onboard Air System comes complete with a dependable, low amp draw 325C, 33% Duty Cycle compressor at its heart that will fill the supplied 2.5 gallon tank from 110-150 PSI in approximately one minute. Included is everything you'll need to add a reliable single air source to your vehicle. (For vehicles with up to 33-inch tires)

VIAIR Onboard Air System Includes:
(1) 2.5 Gallon Viair Air Tank
(1) 325C model Viair Air Compressor
(1) 1/4" NPT Quick Connect Coupler (M)
(1) Dash Panel Gauge with ON/OFF Switch
(1) Pressure Switch with Relay (110 PSI on, 150 PSI off)
(1) Reducer (1/8" NPT F to 1/4" NPT M)
(1) 1/4" NPT 175 PSI Safety Valve
(1) 1/4" Drain Cock
(1) 1/4" NPT Compression Fittings
(1) 4-inch Strip of Continuous Grommet Material
(1) 20ft. 12 Gauge Wire with Inline Fuse Holder

Tire Inflation Rates

Begin/End PSI 31" X 10.5"
0 To 30 PSI 4 Min. 58 Sec.
15 To 30 PSI 2 Min. 45 Sec.

Begin/End PSI 33" X 12.5"
0 To 30 PSI 7 Min. 15 Sec.
15 To 30 PSI 3 Min. 55 Sec.

Begin/End PSI 35" X 12.5"
0 To 30 PSI 8 Min. 50 Sec.
15 To 30 PSI 4 Min. 50 Sec.

This all-inclusive kit includes everything you need to install an on board kit.