EQUIP U

Caterpillar 5.51 Parts

13 parts across 7 categories — new, used, or aftermarket.

Request a quoteTell us what you need for your Caterpillar 5.51 — we source it and ship it.

Excavator Seal Kits · 4

e.g. 1373766, 1597774, 2095874, 2159985

Hydraulic Cylinder Seal Kits for Excavators · 3

e.g. 1659419, 2481168, 3981893

Cylinder Heads Bare & Loaded · 2

e.g. 2528439, 3442149

Cable Harness · 1

e.g. 2358202

Idlers · 1

e.g. 1028152

Piston Ring Sets · 1

e.g. 3472380

Sensors · 1

e.g. 3066875

Sign in to browse every part that fits your Caterpillar 5.51 by component, or request a quote.

Caterpillar 5.51 Parts — New, Used & Aftermarket | Equip U | Equip U, LLC