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Original is in the Czech language.

4M40

For example:

Water pump,

Head gasket (2 notch) tl.1,35mm, CATERPILLAR CAT 307B, 307C, 307D 4M40

TĚSNĚNÍ Sania, CATERPILLAR CAT 307B, 307C, 307D 4M40

SEAL valve cover, CATERPILLAR CAT 307B, 307C, 307D 4M40

The engine oil filter, CATERPILLAR CAT 307C, 307C SB, BCM, 4M40

PISTON RINGS SET (STD), CATERPILLAR CAT 307B, 307C, 307D 4M40

SEAL exhaust pipe, CATERPILLAR CAT 307B, 307C, 307D 4M40

TERMOSTAT MOTORU MITSUBISHI 4M40, CAT307, 308