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The AU-VE-CO PRODUCTS BD1870 is a plastic straight vacuum connector fitting designed for automotive vacuum line applications. This three-port fitting measures 1/8 x 1/4 x 3/8 inches and provides a straight, in-line connection between vacuum hoses of varying diameters. Lightweight at 0.01 pounds, it is suited for underhood environments where a compact, low-weight connector is needed. HVAC techs, auto mechanics, and technicians working on mobile climate systems, emission controls, and vacuum-actuated components will find this fitting straightforward to install without specialized tools.
This connector is used in automotive and light-duty vehicle vacuum systems where hoses of different diameters must be joined in a straight configuration. Typical applications include vacuum-operated HVAC blend door actuators, emissions control lines, brake booster circuits, and other low-pressure vacuum plumbing found on passenger vehicles and light trucks. The fitting is sold in packages of 25 units, making it practical for shop stock and fleet maintenance operations where multiple repairs are performed routinely.
Designed as an OEM-style replacement vacuum connector fitting for automotive vacuum line applications requiring a straight 1/8 x 1/4 x 3/8 inch multi-diameter connection.
Installation is typically performed by automotive technicians or mobile HVAC specialists. Disconnect the vehicle battery and relieve any vacuum pressure in the system before removing existing fittings. Ensure hose ends are cut cleanly and seated fully onto each port to maintain a leak-free connection. Inspect surrounding vacuum lines for cracking or hardening and replace as needed before completing the repair.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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