The Caterpillar 3304 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| AEHQ5971 | other_service | |
| AEHQ5972 | Grapple for 527 | other_service |
| TEJB4049 | Cast-steel guards | other_service |
| TEJB6014 | Cat 517 Skidder | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.