This is machine translation. We apologize for any inaccuracies or faults in translation.
Original is in the Czech language.

304cr

All spare parts, engine parts, hydraulic pump, chassis components, buckets, filters, oils, slewing gear, SLEWING HYDRAULIC MOTOR, rubber tracks

For example:

BUCKET TOOTH, CATERPILLAR CAT 302.5, 303.5, 305CR, 303CR, 304CR, 304D CR, 302.5C, 302.7D, NEROTIGINÁLNÍ PISTON STD, +0.25, +0.50 CAT304CR, MOTOR S4L2
Final drives drive motor , CAT 304C, 304CR BARE CYLINDER HEAD MITSUBISHI S4L2, BAGR CATERPILLAR 304CR

OEM STARTER, MITSUBISHI MOTOR S3L2, CATERPILLAR CAT 303CR, 304CR (2004-2006)