The Caterpillar G3516B engine line groups 3 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| G3516B | Engine model | Engine |
| 126-1815 | Hydraulic - UHE | Hydraulic filter |
| 144-6691 | Hydraulic | Hydraulic filter |
| 249-0439 | Oxidation Catalyst Assembly - Round | Service part / kit |
| 256-0331 | Oxidation Catalyst Assembly - Round | Service part / kit |
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.