| Engine Rebuild Kit and Parts Online Catalog. |
Customizable Long Blocks for 3.9, 5.3L,
5.9 & 8.3 Liter Cummins Engines
Reliance Power Parts is pleased to announce new long blocks for
the Cummins 3.9, 5.9 and 8.3 liter engines. These long blocks
are 100% new and are sold outright - no core needed. The B and
C series engines are used in many different applications ranging
from light trucks to a wide variety of agricultural, industrial,
and marine applications.
Reliance long blocks are currently available in the 2 valves per cylinder head version, with individual valve covers for each cylinder (late models utilize 4 valves per cylinder and a single valve cover.)
Each of these long blocks is completely new and built from the bare block up using Reliance parts to create a long block specific to your customer’s application. Reliance long block assemblies will give you access to both high-quality parts and our extensive knowledge. All specifications and tolerances are checked and verified throughout the build process. With a quick turnaround time, these engines will spend less time out of commission and more time working - right where they need to be! Warranty coverage is 1 year or 2,000 hours / 50,000 miles, whichever comes first, from date of invoice on the long block only. Labor is not included.
We are also offering a do-it-yourself long block kit. These kits include all the new parts and components needed to assemble a complete long block. Now you have the option of building the long block yourself or receiving one already assembled.
When you demand flexibility and convenience, ordering a long
block from Reliance guarantees you will receive all new components
without the hassle of a core return.
Cummins New Long Block Assembly
Long Block Assembly
Part #: RP1334 $6,713.70
For 3.9L Cummins 4 cylinder engines.
Parts in Long Block Assembly in table below
New, not rebuilt Part #RP1334 $6,713.70
Call for availabiliy
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Long Block Assembly new, provide serial number for correct components Part #: RP1334 $6,713.70 Kit Components Part Number (1) Rear Crank Seal Housing Part # K3936904 (1) Camshaft Thrust Plate Part # K3927155 $12.06 (1) Crankshaft Gear Part # K3929027 $49.11 (4) Push Rod Cover Bolt Seal Part # K3928759 (1) Cylinder Head Assembly-new Part # K3929736V $797.61 (8) Valve Lifter Part # K3931623 $6.11 (1) Expansion Plug Part # K3922072 (4) Head Bolt Part # K3920781 $5.67 (4) Head Bolt Part # K3920779 $3.57 (10) Head Bolt Part # K3920780 $4.77 (1) Camshaft Part # K3925582 $174.63 (1) Oil Pan Drain Plug |
Part # K3924147 (1) Crankcase Breather Hose Part # K3918614 (1) Engine Lifting Bracket Part # K3903757 (1) Thermostat Housing Part # K3914414 (5) Pipe Plug Part # K3906619 (1) Camshaft Gear Part # K3907431 $125.59 (1) Crankshaft Part # K3907803 $914.91 (4) Rocker Arm Assembly Part # K3910815 (1) Camshaft Key Part # K3902332 $2.98 (1) Oil Fill Cap Part # K3901895 (1) Cylinder Block Part # K3903920 (1) Crankshaft Gear Dowel Pin Part # K3904483 |
(1) Oil Pan Side Plug Part # K3904386 (8) Push Rod Part # K3904679 $5.78 (2) Cylinder Head Dowel Ring Part # K3902343 (2) Thermostat Housing Bolt Part # K3903096 (1) Main Bearing Set Part # K3802010 $41.55 (5) Pipe Plug Part # K3008468 (1) Conversion Gasket Set Part # K3802375 $162.04 (1) Camshaft Bearing Part # K3901306 $5.23 (4) Rocker Arm Assembly Bolt Part # K3901221 (2) Dowel Pin Part # K3900257 (2) Flywheel Housing Dowel Ring Part # K3900068 (6) Rear Crank Seal Retainer Bolt Part # K3991306 |
(51) Push Rod Cover Bolt Part # K3900629 (11) Timing Gear Housing Bolt Part # K3900633 (1) Camshaft Plug Part # K3900687 $2.76 (15) Oil Cooler Mounting Bolt Part # K3900632 (4) Oil Pump Mounting Bolt Part # K3900677 (4) Camshaft Retainer Plate & Water Pump Bolt Part # K3900227 (1) Head Gasket Set Part # K3804896 $109.72 * (1) Select Timing Gear Housing (below) ** (1) Select Timing Cover (below) *** (4) Select Piston & Rings (below) **** (1) Select Oil Pump Pickup Tube (below) |
(1) Water Pump Part # K3286277 $70.68 (1) Thermostat Part # K3917324 $43.08 (4) Connecting Rod Part # K4943979 $111.35 (4) Rod Bearing Part # RP231163 $13.73 (1) Front Cover Gasket Part # K3918673 (1) Crankcase Breather Hose Clamp Part # K3904230 (1) Oil Filter Head Seat Part # K3913967 (3) Valve Cover Part # K3960372 (1) Valve Cover Part # K3960373 (4) Valve Cover Bolt Part # K3960357 (1) Oil Cooler Part # K3957543 $111.99 (1) Oil Pump Part # K3937027 $81.94 |
Need OEM reference # to know which parts to choose below.
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*Select Timing Gear Housing: Timing Gear Housing Part # 3936257 or Timing Gear Housing-A pump Part #K3960338 or Timing Gear Housing-P pump Part #K4931398 or Timing Gear Housing-Rotary pump Part #K4634391 |
**Select Timing Cover: Timing Cover Part #K4991279 or Timing Cover Part #K3903794 or Timing Cover-Fits "P" and some "A"Part #K3923898 or Timing Cover-Rotary & A pumps Part #K4991307 |
***Select Piston & Rings Piston & Rings-std Part #K3802747 $76.37 or Piston & Rings-std Part #K3802757K $135.56 or Piston & Rings-std Part #K4089461 $97.75 or Piston & Rings-std Part #K3802060 $90.64 or Piston & Rings-std Part #K3802100 $90.64 or Piston & Rings-std Part #K3802160 $90.64 |
****Select Oil Pump Pickup Tube: Oil Pump Pickup Tube Part # K3863416 or Oil Pump Pickup Tube- center sump Part # K3905223 or Oil Pump Pickup Tube-center sump Part # K3916790 or Oil Pump Pickup Tube-ffront sump Part # K3905205 Oil Pump Pickup Tube-rear sump Part # K3905206 |
Cummins New Long Block Assembly
Part #: RP1335 $7,928.10
For 5.9L Cummins 6. cylinder engines.
Parts in this engine are similar to the 4 cylinder engine above. We can give you the list of parts just like above for this engine.
Cummins New Long Block Assembly
Part #: RP1336 $13,151.40
For 5.3L Cummins 6. cylinder engines with single thermostat.
Parts in this engine are similar to the 4 cylinder engine above. We can give you the list of parts just like above for this engine.
Cummins New Long Block Assembly
Part #: RP1337 $12,765.00
For 8.3L Cummins 6. cylinder engines with dual thermostat.
Parts in this engine are similar to the 4 cylinder engine above. We can give you the list of parts just like above for this engine.