4B Drop-In Engines

Complete drop-in engines for Cummins 4B, 4BT and 4BTA diesel engines. Includes all parts on the long block supreme list below plus: lift & injection pumps, low & high pressure lines, injectors, fuel filter assembly, damper pulley, turbocharger, thermostat, intake & exhaust manifolds, thermostat housing, oil pan, oil pickup tube, gear cover & seal, 4B/3.9L & 6B/5.9L come with air crossover tube if required.

Long block supreme includes: Block, rods, crank gear, piston assemblies, head, rear cover & seal, oil filter assembly, water pump, crankshaft, oil pump, cam gear, camshaft, front gear housing, new oil cooler core, valve cover(s), valve train (lifters, pushrods & rocker arms). Cummins 6B/5.9L comes with a gasket set, side cover/crankcase breather. Cummins 6C/8.3L comes with gear cover & seal, oil pan & pickup tube, crankcase breather, thermostat & thermostat housing.

Legend for price list below and configuration sheet:
HMRO - High mount turbo with exhaust venting to rear of engine (mounted on top of manifolds higher than valve covers)
LMRO - Low mount turbo with exhaust venting to rear of engine (mounted alongside engine tucked under manifold almost)
HMFO - High mount turbo with exhaust venting to front of engine (mounted on top of manifolds higher than valve covers)
LMFO - Low mount turbo with exhaust venting to front of engine (mounted alongside engine tucked under manifold almost)
JWAC - Jacket water aftercooled

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