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Yard Truck Specialists

Air System Parts

The air system is the hardest-working system on a yard truck — it runs the brakes, the cab suspension, and the trailer connection. We stock 180+ air-system parts across Kalmar Ottawa, Capacity, Autocar, and Automann: yellow park-brake and red emergency valves, cab air springs, gladhands and gladhand seals, drain valves, and air dryers. These are the most-reordered parts on working trucks — fleets on preventive-maintenance cycles keep them on the shelf.

180+ air-system parts across 5 brandsShips same-day from Pennsylvania warehousesFree ground shipping in the continental US

Air System Parts FAQ

Which valve is the yellow knob and which is the red one?

On Kalmar Ottawa dashes the yellow knob is the parking-brake valve (90007281) and the red knob is the emergency/trailer-supply valve (90007283). We stock both, along with the dash panels and hardware around them.

Do you carry gladhands and gladhand seals?

Yes — gladhands and gladhand seals (the seal, part 10028, is one of the cheapest and most frequently ordered parts in the catalog). Worn gladhand seals are the first thing to check on a slow trailer-air leak.

Shop Air System by Brand

Featured Air System Parts

Showing 1-24 of 160 products

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Quick Release Qr-1 Valve

Capacity

Quick Release Qr-1 Valve

#103774

In stock

$77.23

Kit Connect Ba Series Valve

Capacity

Kit Connect Ba Series Valve

#133421

In stock

$146.73

Hydraulic Pump

Kalmar Ottawa

Hydraulic Pump

#90015418

In stock

$865.20

Quick Release Valve

Kalmar Ottawa

Quick Release Valve

#90011444

In stock

$99.91

Air Kit Spring

Kalmar Ottawa

Air Kit Spring

#90019486

In stock

$842.64

Gladhand

Kalmar Ottawa

Gladhand

#53452489

In stock

$17.51

Valve Governor Assembly

Kalmar Ottawa

Valve Governor Assembly

#90029931

In stock

$135.96

Air Reservoir

Kalmar Ottawa

Air Reservoir

#53105025

In stock

$327.54

Pressure Relief Valve

Kalmar Ottawa

Pressure Relief Valve

#90029163

In stock

$69.01

Gladhand

Kalmar Ottawa

Gladhand

#53452488

In stock

$15.45

Valve

Kalmar Ottawa

Valve

#90020596

In stock

$248.23

Valve

Kalmar Ottawa

Valve

#90033396

In stock

$296.64

Valve

Kalmar Ottawa

Valve

#HPC-13PTO

In stock

$576.80

Valve

Kalmar Ottawa

Valve

#90026288

In stock

$252.35

Electronic Water Valve Assembly

Capacity

Electronic Water Valve Assembly

#909705

In stock

$316.75

Holder Gladhand Spring

Kalmar Ottawa

Holder Gladhand Spring

#90013383

In stock

$83.43

Air Cylinder

Automann

Air Cylinder

#KP2524R131

In stock

$199.28

Exhaust Gas Rcn Valve

Cummins

Exhaust Gas Rcn Valve

#4955438RX

In stock

$2544.35

Tractor Protection Valve

Kalmar Ottawa

Tractor Protection Valve

#CTT00002556

In stock

$109.18

Quick Rel 1 2 Supply Valve

Automann

Quick Rel 1 2 Supply Valve

#170.229860

In stock

$21.63

7 Gpm Pump

Capacity

7 Gpm Pump

#124786

Only 4 left

$492.60

ABS Modulator Valve

Capacity

ABS Modulator Valve

#909620

In stock

$485.75

Blower Resistor F Hvac Assembly

Capacity

Blower Resistor F Hvac Assembly

#906956

In stock

$165.36

Brass Air Horn Valve

Capacity

Brass Air Horn Valve

#906042

In stock

$116.45