The Haltec HE-353D is a premium, heavy-duty tire valve stem extension designed specifically for dual wheels, trucks, and hard-to-access vehicle tires. Engineered from high-grade black polymer plastic, this lightweight extension makes checking air pressure and inflating inner tires effortless without adding excessive weight to your valve stem setup. Each extension comes complete with a pre-installed DS-1 flow-through valve cap, allowing you to inflate and gauge tire pressure directly through the cap.

Key Features

• Lightweight Polymer Construction: Drastically reduces vibration and centrifugal weight stress compared to heavy brass extensions, helping prevent premature rubber valve stem failure or breakage.
• Flow-Through Cap Design: Features a high-quality DS-1 double-seal cap so you never have to remove the cap to inflate or check your tire pressure.
• Extended Reach: Delivers a 5.94-inch effective extension length, easily reaching through outer wheel hand-holes on dually trucks, RVs, and commercial trailers.
• Universal Fitment: Designed with a standard .305-32 thread size to screw securely onto any standard standard tire valve stem.

Technical Specifications

• Brand: Haltec
• Part Number: HE-353D
• Material: Heavy-duty black polymer plastic
• Total Length: 6.53 inches (166 mm)
• Effective Length: 5.94 inches (151 mm)
• Thread Size: .305-32 (Standard cap thread)
• Included Accessories: DS-1 Flow-Through Valve Cap
• Weight: 0.03 lbs (approx. 14 grams)

Ideal Applications
Perfect for commercial fleet trucks, dually pickup trucks, motorhomes/RVs, and heavy-duty trailers utilizing deep-dish or dual-wheel configurations.

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