Ford Lincoln Motorcraft RS-531 Radiator Engine Coolant Fluid Cap – DG9Z-81001A Genuine

Need a radiator cap for your Ford or Lincoln?

This is the genuine Motorcraft one.

Part numbers: DG9Z-81001A, DG9Z8100A, RS-531, RS531.

Brand new, made in the USA.

It's a direct replacement—plastic with steel construction, black color.

Fits a bunch of Ford and Lincoln models.

Comes with a warranty from AK AUTO PARTS LLC, so you're covered.

Don't use some cheap off-brand cap that'll leak.

Stick with Motorcraft, keep your cooling system happy.

Simple part, but it matters.