See Figures 1, 2, 3 and 4
The engine serial number consists of an engine series identification number followed by a six digit production number.
8R-C, F, 2F AND 3F-E ENGINES
The serial number is stamped on the right side of the engine block beside the fuel pump (except on fuel injected engines).
The 2000cc model 18R-C engine has its serial number stamped on the left side of the engine below the number one spark plug.
20R, 22R, 22R-E, 22R-TE AND 3VZ-E ENGINES
On these engines the serial number is stamped on the left side of the cylinder block, behind the alternator.
1L, 2L AND 2L-T ENGINES
On these engines the serial number is stamped on the left side of the cylinder block, under the manifold.