Engine
Complete power assembly that converts fuel or electrical energy into the force used to move a vehicle.
Request This PartParts by vehicle system
Engine & Drivetrain Parts
Power-producing assemblies, internal engine components, transmissions, axles, and driveline hardware.
Request by vehicle details
Start with the vehicle. We will help narrow the fit.
Share the year, make, model, part, and delivery ZIP. This request does not search live inventory or confirm fitment automatically.
Part request
Request Powertrain
Tell us what you drive and what part you need. Our team will review your request, check available options, and contact you.
Parts in this category
Common engine & drivetrain requests.
Choose a part to open its guide or prefill a request with the part name.
Transmission
Gearbox that manages engine power and gear ratios before sending torque into the driveline.
Request This PartTransfer Case
Driveline unit that distributes transmission power to front and rear axles in many four-wheel-drive vehicles.
Request This PartDifferential
Geared assembly that lets driven wheels rotate at different speeds while continuing to receive power.
Request This PartAxle Assembly
Complete front or rear axle unit that may include the housing, differential, shafts, hubs, and mounts.
Request This PartDriveshaft
Rotating shaft that transfers torque between the transmission or transfer case and an axle differential.
Request This PartAxle Shaft
Shaft that carries torque from the differential to a driven wheel.
Request This PartCV Axle
Drive axle with constant-velocity joints that allows power transfer while steering and suspension move.
Request This PartTorque Converter
Fluid coupling used with many automatic transmissions to transfer and multiply engine torque.
Request This PartFlywheel
Heavy rotating disc that smooths engine operation and connects many manual transmissions.
Request This PartFlexplate
Thin engine-to-torque-converter plate used with many automatic transmissions.
Request This PartEngine Block
Main engine casting that houses the cylinders, crankshaft, and internal oil and coolant passages.
Request This PartCylinder Head
Upper engine casting containing combustion chambers, valves, and valvetrain passages.
Request This PartCamshaft
Rotating valvetrain shaft that controls when engine valves open and close.
Request This PartCrankshaft
Engine shaft that converts piston movement into rotating output power.
Request This PartConnecting Rod
Internal engine link connecting a piston to the crankshaft.
Request This PartOil Pan
Lower engine reservoir that holds lubricating oil beneath the crankcase.
Request This PartValve Cover
Top engine cover that seals the cylinder head and valvetrain area.
Request This PartTiming Cover
Front engine cover that protects the timing chain, belt, or gears.
Request This PartHarmonic Balancer
Crankshaft-mounted damper that reduces engine torsional vibration.
Request This PartEngine Mount
Insulated bracket that secures the engine while limiting vibration transfer to the body.
Request This PartTurbocharger
Exhaust-driven compressor that forces additional air into the engine.
Request This PartSupercharger
Engine-driven compressor that increases the air supplied to the engine.
Request This PartBelt Tensioner
Spring-loaded pulley assembly that maintains accessory-belt tension.
Request This PartIdler Pulley
Free-spinning pulley that guides and supports an engine accessory belt.
Request This PartHelpful buying resources
Learn before you request powertrain.
Use these focused guides to prepare fitment details and compare appropriate sourcing options.