Exhaust Insert Standard Natural Gas Caterpillar Engine 3300 Series application
- Part number: 391976
- OE MFG: CATERPILLAR
- OEM Reference: 7N1649
- Cross Reference: CATERPILLAR : 7N1649; OTHER : SB2004E-4N, W-5007 | INTERSTATE-MCBEE : M-7N1649
- Product Class: Cylinder Heads & attached parts
