When referring to 6.7 Cummins engine parts, you're likely talking about the Cummins 6.7L Turbo Diesel, most commonly found in Ram trucks (2500/3500) and some commercial vehicles. Below is a categorized list of common parts for the 6.7 Cummins engine, useful for maintenance, repair, or performance upgrades:

Engine Components

• Cylinder head & gasket

• Pistons, rings, and rods

• Crankshaft and bearings

• Camshaft & lifters

• Timing gears and cover

• Oil pump & oil pan

• Valve cover & gaskets

Fuel System

• Fuel injectors

• High-pressure fuel pump (CP3 or CP4 depending on year)

• Fuel rail & lines

• Fuel filters & water separators

• Lift pump

Air & Turbo System

• Turbocharger

• Intercooler & piping

• Intake manifold

• Air filter & housing

• Exhaust manifold

Emissions & EGR

• EGR valve and cooler

• DPF (Diesel Particulate Filter)

• DOC (Diesel Oxidation Catalyst)

• SCR (Selective Catalytic Reduction) system

• NOx sensors, DEF tank & injectors

Cooling System

• Radiator

• Water pump

• Thermostat

• Cooling fan & clutch

• Heater core

Electrical & Sensors

• ECM (Engine Control Module)

• Crankshaft/camshaft position sensors

• MAP and MAF sensors

• Glow plugs or intake heaters (depending on configuration)

• Wiring harness

Performance Parts (Optional)

• Aftermarket turbo upgrades

• Tuner/ECU flash devices

• Cold air intake kits

• EGR/DPF ｄｅｌｅｔｅ kits (note: not legal for road use in many regions)

If you're looking for parts for repair, OEM replacement, or aftermarket performance, let me know what you're focusing on (e.g., emissions, power, reliability), and I will send you the prices.