3863778 New Industrial Boom Pin Assembly Fits Caterpillar Fits CAT 428E 434E 432 model-287B DX90 (w/ FWA)

DX90 (w/ FWA)

Type: Dust Seal - H-Link Closed End

3140 (Euro Edition (S/N <646946))

D8NN6507AA

and includes all seals required for a complete cylinder reseal: wiper seal

3863778 New Industrial Boom Pin Assembly Fits Caterpillar Fits CAT 428E 434E 432 model-287B DX90 (w/ FWA)One New Aftermarket Replacement Pin Assembly Fits Caterpillar Boom Models: 428E, 434E, 432E The internal hardness of the new CTP Pins is thicker to ensure better resistance and longer life. They are manufactured with alloy steel, and are put through an induction hardness procedure that makes the pin more resistant to extreme wear and prevents corrosion. Our pins feature: 3 Induction harden zone HRC 56 min to depth 1mm3 Minimum core hardness HRC 22 to