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Cummins N14 (500-550 HP) Reman Long Block

Cummins N14 (500-550 HP) Reman Long Block

SKU: FPS-CMN14LBR
$19,37500
+$3,500.00 Core Charge* *See Item Specifics below for core return criteria, if any.

* Required Fields

Ships FACTORY DIRECT to you
Will ship factory direct
Condition: Remanufactured
Cross-References: 3081279, 3064291, 3078328, 3083742, CMN14LBR
The RF Engine Advantage
Family Operated Since 1975

Original Equipment Quality

Parts that meet or exceed OEM specifications. Guaranteed performance you can trust. Reliability built into every component.

100+ Years of Expertise

A century of collective diesel knowledge and 10+ acres of engines and engine parts, we are more than just an online reseller or call center. We know heavy-duty diesel.

Here for the Long Haul

Same location and same phone number for the last 50 years. Same commitment to getting you the right parts at the right price.

New, Reman, & Used

RF Engine offers an expansive offering of new aftermarket, remanufactured, and used engines and engine parts all under one roof.

Details

Remanufactured Long Blocks — Built to Perform, Engineered to Last

Every long block starts with a foundation of OEM quality. Original equipment blocks are precision-machined and deck surfaces are milled to exacting tolerances. Connecting rods—genuine OE castings—are machined and fitted with new bushings. Crankshafts are either brand new or OE-machined to restore factory specifications.

Cylinder kits are sourced exclusively from industry-leading suppliers like Interstate McBee, IPD, and PAI Industries. C15, C13, N14, and ISX applications ship with brand new cylinder heads. ISM11 and C7 units feature OE remanufactured heads rebuilt through an in-house machine shop—pressure tested, magnafluxed, and fitted with new seals, valves (new or precision-ground), guides, injector cups, and freshly resurfaced.

The result? Remanufactured long blocks built with the precision and quality standards of original equipment—delivering the performance and reliability your operation demands.

Long Block Includes:

  • Cylinder Block
  • Cylinder Head(s)
  • Crankshaft
  • Crankshaft Gear
  • Cylinder Kits
  • Piston Cooling Nozzles
  • Connecting Rods
  • Cam Bearings
  • Gaskets needed to finish assembly
  • 1-Year Parts-Only, Unlimited Hour/Mile Warranty

  • Fits Engines: Cummins N14

Warranty Information

FISHER POWER SUPPLY WARRANTY

Remanufactured Diesel Engines

WARRANTY COVERAGE

Fisher Power Supply, LLC offers a warranty through its manufacturer/distributor to each purchaser of a Fisher Power Supply engine. This warrants that the engine will be free from defects in materials and workmanship under normal use and service for a period of 1 year from the date on invoice. This warranty is limited to the parts needed to correct any malfunction or defect in the engine that exists at the time the engine is sold to the purchaser. This warranty is given only to purchasers who use the engine for an industrial, highway, or marine purpose.

WARRANTY SCOPE

Applications & Limitations

  • Applications: Industrial, Highway, Marine
  • Duration: 1 Year, Unlimited Hours/Miles
  • Owner Expense: Labor

Covered Components

  • Block
  • Cylinder Head
  • Cylinder Kits
  • Crankshaft
  • Rods
  • Oil Pump
  • Water Pump
  • Turbo
  • Thermostat

*Warranty parts are subject to inspection before replacement parts can be issued without charge*

WARRANTY DOES NOT COVER

  • Damage or defects caused by modification by the purchaser
  • Damage or defects caused by repair or service by someone other than Fisher Power Supply LLC's manufacturer/distributor or an approved qualified facility
  • Damage or defects caused by failure to perform normal maintenance or use of fuel, oil, filters, lubricant, or coolant that does not meet manufacturer specifications
  • Modification of the emission system including programming and deletion of emission systems
  • Use of any program other than the stock program per manufacturer based on Engine Serial Number
  • Removal and installation of the engine
  • Fluids
  • Freight charges (non-refundable)
  • Towing charges

CHANGEOVER COMPONENTS NOT COVERED

The following components are not covered unless customer requests replacement:

  • Manifolds
  • AC Compressors
  • PTO Pumps
  • ECM / Wiring Harness
  • Lift Pump / Fuel Pump
  • HEUI / Injector Pumps
  • Oil Pan
  • Rear Housing
  • Front Housing
  • Injectors

WARRANTY DISCLAIMER

The following failures will not be covered:

  • Bearing/Crankshaft failure due to swapping location of oil filter from right to left or vice-versa after shipment
  • Bearing/Crankshaft failure due to inadequate lubrication on initial startup (preventable by proper pre-lubing with a pressurizing tank)
  • Bearing/Crankshaft failure due to low oil level in sump
  • Gear train failures due to air compressor and/or unloader valve malfunction on brake systems
  • Water in oil due to erosion of block parent bores from aeration of cooling system
  • Unauthorized disassembly of any component or part without prior authorization
  • Overheating failures — every engine has a Heat Tab installed at time of testing; removal of Heat Tabs immediately VOIDS the warranty

IMPORTANT LIMITATIONS

  • Warranty claims cannot exceed a payout of $2,500 on one claim, invoice, or dated service
  • Any account or invoice with an unpaid balance over 45 days voids all warranties
  • Any action for breach of warranty must be commenced within one year after the cause of action accrues
  • Any such action must be commenced and tried in a state or federal court in Genesee County, Michigan

PROCEDURE FOR WARRANTY SERVICE

  1. Contact Fisher Power Supply FIRST
  2. Do not make repairs without Fisher Power Supply LLC's manufacturer/distributor authorization
  3. Complete and submit all information on the "Application for Parts & Engine Warranty Form"
  4. Customer pays for approved/authorized repair invoice, then submits a copy of paid invoice with the completed warranty form for reimbursement of approved parts only
  5. Customer is responsible for shipping damaged/faulty parts to Fisher Power Supply LLC's manufacturer/distributor for inspection
  6. Fisher Power Supply LLC's manufacturer/distributor is responsible for shipping replacement parts that have been agreed on and approved

QUALITY ASSURANCE

All Fisher Power Supply remanufactured engines are assembled using O.E.M. and/or factory specified quality aftermarket parts. They have been machined to factory specifications utilizing only premium crack-free cores. They have been tested in our facility to ensure you will receive the same quality. If installed and maintained properly, this remanufactured engine will give you the quality and longevity that you received from your original engine.

DISCLAIMER OF WARRANTIES

The warranty described is in lieu of any other warranty, expressed or implied, including but not limited to any warranty of merchantability or fitness for a particular purpose, which are disclaimed. Obtaining repairs and/or replacement parts is the purchaser's sole and exclusive remedy under this warranty and does not extend the warranty period. Under no circumstances shall Fisher Power Supply and/or its manufacturer/distributor be liable to the purchaser for any incidental, consequential, or punitive damages arising out of or resulting from breach of this warranty.

Last Updated: May 20, 2024

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All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.