Item: coolant expansion reservoir tank caps for pressurized engine cooling systems, black plastic caps with yellow warning graphics.

Type: coolant expansion tank cap for compatible vehicles or equipment using part number RE312969.

Color: black with molded six-lobed hand grip and yellow printed icons and pressure rating text.

Markings on top include: RE312969, 15 PSI, 103 kPa, and safety warning pictograms.

Construction: molded plastic body with threaded inner neck, integrated pressure relief valve assembly, and internal sealing surfaces.

Quantity: Single Cap

Additional barcode label on tag shows number 89-153-06.

Features: screw-on design for coolant expansion or reservoir tanks, 15 PSI 103 kPa pressure rating, textured grip edges for easy removal and installation, bright yellow print for easy identification, suitable as replacement caps wherever RE312969 is specified.