Air System

Duallane.com is your go-to source for your truck and team. Order with us and have peace of mind with fast shipping, hassle-free returns, competitive pricing, and high-quality, fully-stocked parts. Shop Duallane semi truck air systems and air dryer parts, including compression hoses, tubes, and fittings, valves, plugs, tanks, and more. Duallane carries air system parts Freightliner, Bendix, Detroit Diesel, and other trusted brands. If you need help finding your part, call us at 1.877.DL.ORDER or email us at info@duallane.com, we are happy to assist you.

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  1. Freightliner 4 Switch Central Air Management Unit | 27 SWA 111R
    Freightliner 4 Switch Central Air Management Unit | 27 SWA 111R
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  2. Freightliner Air Manifold Assembly, Forward, Suspension, Brake | A12-17524-003
    Freightliner Air Manifold Assembly, Forward, Suspension, Brake | A12-17524-003
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  3. Freightliner Air Management Unit Gasket | 7030 80
    Freightliner Air Management Unit Gasket | 7030 80
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  4. Freightliner Park Switch Air Management Unit | 27SWB313R
    Freightliner Park Switch Air Management Unit | 27SWB313R
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  5. Freightliner Pressure Protection Valve | 27 PPV A55R
    Freightliner Pressure Protection Valve | 27 PPV A55R
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  6. Freightliner Air Valve | 27SWB311R
    Freightliner Air Valve | 27SWB311R
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  7. Freightliner Park Optional Switch AMU | 27SWB303R
    Freightliner Park Optional Switch AMU | 27SWB303R
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  8. Freightliner Valve Assembly | 27 SNC 110R
    Freightliner Valve Assembly | 27 SNC 110R
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  9. Freightliner Pressure Protection Valve | 27 PPV B55R
    Freightliner Pressure Protection Valve | 27 PPV B55R
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  10. Freightliner Pressure Protection Valve | 27 PPV A85R
    Freightliner Pressure Protection Valve | 27 PPV A85R
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  11. Freightliner Auxiliary Air Junction Block | A12-17564-000
    Freightliner Auxiliary Air Junction Block | A12-17564-000
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  12. Freightliner Air Brake Air Management Unit Switch | 27 SWA 110R
    Freightliner Air Brake Air Management Unit Switch | 27 SWA 110R
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