This Cat 3406 engine parts manual is a 78-page aftermarket parts catalog published by TRP North America, providing detailed cross-reference tables for Caterpillar 3406 engine components. It lists TRP replacement part numbers alongside OEM numbers, covering overhaul kits, cylinder assemblies, fuel system components, gaskets, and hardware for the 3406B, 3406E, and 3400 engine family.
Official Cat 3406 engine parts document details
| Brand | TRP (aftermarket for Caterpillar) |
| Model coverage | Caterpillar 3406, 3406B (PEEC), 3406E, 3400 series, C15 |
| System/Group | Engine parts — overhaul, air management, cooling, fuel, cylinder heads, engine blocks, brakes, flywheels |
| Publication no. | TRP400EN |
| Year/Revision | 12/18/2012 |
| Pages | 78 |
| File size | 3.1 MB |
| Format | |
| Language | English |
Document table of contents
- Overhaul Kits — Inframe Kits, Overhaul Kits
- Air Management Components — Turbochargers & Components, Bolts, Air Compressors & Components
- Cooling System Components — Thermostats & Components, Water Pumps & Components
- Crankshafts & Components — Crankshafts, Main Bearings, Thrust Bearings, Washers
- Cylinder Components — Cylinder Packs & Kits, Connecting Rod Bearings, Liners & Liner Components, Pistons & Components
- Cylinder Heads & Components — Cylinder Heads, Valve Train Parts, Valve Parts, Gaskets Rings & Seals
- Engine Blocks & Components — Engine Block Parts, Camshafts, Oil Coolers, Oil Pans, Oil Pumps
- Engine Brakes & Components — Tune Up Kits, Exhaust Brakes, Solenoids, Air Cylinders
- Engine Flywheels — Flywheels, Flywheel Parts
- Fuel System Components — Injector Assemblies, Injectors, Injector Parts, Fuel Pumps
- Engine Parts — Gaskets Rings & Seals, Hardware
- Natural Gas Engine Components — Spark Plugs, Hardware
- Cross Reference — OEM to TRP part number lookup
- Part Number Index
Applicable truck models
This catalog covers all Caterpillar 3406 variants including the mechanically governed 3406, the 3406B with PEEC electronic controls, and the fully electronic 3406E. Specific engine serial number ranges are referenced for certain gaskets, such as 3406E ESNs 1LW, 2SW, 5DS, 6TS, and 5EK prefixes. Components for the broader 3400 family and the C15 engine are also listed where parts cross over. The manual is intended for on-highway truck applications using these powerplants. For official Caterpillar service information, visit Caterpillar’s official website.
Who needs this Cat 3406 engine parts manual
Fleet maintenance shops and independent mechanics rebuilding or servicing Caterpillar 3406 engines will find this catalog essential for identifying correct aftermarket replacement parts and matching them to OEM numbers. Workshop owners sourcing overhaul kits, cylinder head gaskets, turbocharger gaskets, fuel injectors, and related hardware can use the cross-reference tables to verify fitment before ordering.
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