The 8.1L 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 |
|---|---|---|
| 374176 | Drive Belt Tensioner | belt |
| 375105 | Clutch Pilot Bearing Removal (C/K/C3500HD) | clutch_pilot_bearing_removal |
| 470627 | Clutch Pilot Bearing Removal (Medium Duty) | clutch_pilot_bearing_removal |
| 373133 | Clutch Pilot Bearing Removal Tools Required | clutch_pilot_bearing_removal_tools_required |
| 640014 | Crankshaft Balancer Removal Steps | crankshaft_balancer_removal_steps |
| 640013 | Crankshaft Balancer Removal Tools Required | crankshaft_balancer_removal_tools_required |
| 638596 | Cylinder Head and Components | cylinder_head_and_components |
| 638608 | Engine Crankshaft and Components | engine_crankshaft_and_components |
| 470599 | Engine Flywheel Housing Removal (Medium Duty with AT) | engine_flywheel_housing_removal |
| 470572 | Engine Flywheel Removal (C/K/C3500HD with AT MT1) | engine_flywheel_removal |
| 470576 | Engine Flywheel Removal (Medium Duty with MT) | engine_flywheel_removal |
| 677814 | Engine Flywheel Removal (C3500HD with AT M74) | engine_flywheel_removal |
| 679414 | Engine Flywheel Removal (C/K with MT) | engine_flywheel_removal |
| 677764 | Engine Identification Number | engine_identification_number |
| 638592 | Flywheel Housing Adapter, Medium Duty with Manual Transmission | flywheel_housing_adapter |
| 638602 | Intake Manifold and Components | intake_manifold_and_components |
| 638616 | Lower Engine Block and Components | lower_engine_block_and_components |
| 470639 | Oil Level Indicator and Tube Removal (C/K/C3500HD) | oil_level_indicator_and_tube_removal |
| 470666 | Oil Level Indicator and Tube Removal (G) | oil_level_indicator_and_tube_removal |
| 1051396 | Engine Oil Supplement Lubricant | other_service |
| 1052367 | Valve Train Component Prelube Lubricant | other_service |
| 1052942 | Crankshaft Rear Bearing Cap Sealant | other_service |
| 12377901 | Camshaft Rear Bearing Hole Plug Sealant | other_service |
| 470515 | Repair Instructions - Draining Fluids and Oil Filter Removal | repair_instructions |
| 9985770 | MAP Sensor Seal Lubricant | seal |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.