REPLACES UNITOOTH CATERPILLAR 135-8203.   The L-3445-D-23 Bolt-on adapter is a two-piece replacement for Caterpillar Unitooth part number 135-8203. Fits Cat models 303.5, 304.5 Excavators and 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E and 44E Backhoes. This assembly was first introduced by H&L in 2019.

Caterpillar style HL-135-8203 Unitooth is still available if requested.

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