4x Meritor International 3/8 MNPT Drive Axle / Transmission Breather Plug – 3816936C1

Need to replace those old breather plugs on your truck's axles or transmission?

Grab this set of four Meritor International breather plugs.

They're 3/8-inch male NPT (MNPT) thread, part number 3816936C1.

These are new old stock or factory seconds—no signs of wear, but packaging might be missing or they could have minor cosmetic defects.

Check the seller's listing for exact condition.

Brand is INTNATIONAL (Meritor), and they're meant for drive axles and transmissions on heavy-duty trucks.

If your breathers are clogged or missing, swap in these to keep your differentials breathing easy and not pressurizing.

Four plugs, ready to install.

Cheap insurance for your truck's drivetrain.

Don't let a plugged breather blow a seal.