Dorman - Autograde Engine Cylinder Head Plug P/N:555-108
Seal off a threaded port in the cylinder head with the Dorman cylinder head plug 02473, a steel 1/2-14 NPT pipe plug from Dorman's Autograde line. It fits many vehicles, among them the 1973-1992 Toyota Land Cruiser (L6-3.9L, L6-4.0L and L6-4.2L), the 1995-1997 Nissan Pickup (L4-2.4L) and the 1990-1996 Nissan 300ZX (V6-3.0L). See the Buyer's Guide tab for the full list.
As a tapered NPT pipe plug, it threads directly into its port in the head. Signs this part may need replacing include seepage or leakage around the plug, damaged threads or hex, or a plug that has gone missing. The listed applications use one plug each, and the package contains one pipe plug. Country of origin: United States.
What does this cylinder head plug do?
It threads into a tapered 1/2-14 NPT port in the cylinder head to seal it off. It replaces an original plug that is missing or leaking.
What are the specifications of Dorman 02473?
It is a steel C.S. hex pipe plug, 1/2-14 NPT x 9/16 in., with a 0.416 in. closed end diameter and a 0.832 in. open end diameter. Country of origin: United States.
Does this plug fit a 1973-1992 Toyota Land Cruiser with the L6-3.9L, L6-4.0L or L6-4.2L engine?
It is listed for the 1973-1992 Toyota Land Cruiser with L6-3.9L, L6-4.0L and L6-4.2L engines. Check the Buyer's Guide tab to confirm your exact vehicle.
What comes in the package?
The package contains one steel pipe plug. The listed applications use one plug each.
How is this plug installed?
It threads into the tapered NPT port in the cylinder head. Consult the vehicle service information for any thread sealant and tightening requirements.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.