The Caterpillar G3406 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 |
|---|---|---|
| 7C-1571 | Air Primary | Air filter |
| 108-3515 | Gasket | Gasket |
| 176-7748 | Gasket | Gasket |
| 1R-0716 | Engine Oil | Oil filter |
| 8N1726 | Connecting rod | Service part / kit |
| 2N-2839 | Spark Plug - Fine wire plug | Spark plug |
| 4W-2256 | Spark Plug - Fine wire plug | Spark plug |
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.