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(888) 312-8812 Login SignupFuel Return Hose - 3/16" ID x 5/16" OD, Plastic (Sold Per Feet)
Mack E6 Engine Application
The Mack Fuel Return Hose is used in Mack E6 engine applications where controlled fluid or air transfer between connected components is required. Installed in the engine bay, it provides a low-volume routing path for systems that demand consistent flow at operating temperatures. Proper hose fitment helps maintain uninterrupted circulation and supports dependable system function across daily driving conditions. Its sizing is matched to application requirements to ensure correct interface with adjoining fittings and connectors. The Mack 20705122 supports reliable routing performance in compatible engine configurations.
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