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John Deere 4045 PowerTech (Piston RE55512, RE505102, Con Rod R114081) Out-of-Frame Overhaul Engine Rebuild Kit

John Deere 4045 PowerTech (Piston RE55512, RE505102, Con Rod R114081) Out-of-Frame Engine Rebuild Kit

See if this fits your application
SKU: RP814
$91000

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In Stock (99+)
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Condition: New Aftermarket
Cross-References: 956195, A-RE66094, AB814, BEKD40452T, HCRRP814, HOK-JD4045PTMB, HOKJD4045PTMB, HOKJD4045PTMC, JD-45H-OHK, JD45OKC-MX, MRE66094, P956195, RE526971, RE66094, RP814, RP814-REL, TRE66094
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

Engine Rebuild Kit Includes:

  • Sleeves
  • Sleeve Sealing Rings
  • Pistons
  • Piston Pins & Retaining Clips
  • Piston Ring Sets
  • Rod Bearing Set
  • Main Bearing Set
  • Connecting Rod Capscrews
  • Piston Pin Bushings
  • Balancer Shaft Bushings
  • Camshaft Bearing
  • Full Engine Gasket Set
  • Front Crankshaft Seal
  • Rear Crankshaft Seal

Our aftermarket replacement parts are built to OEM-equivalent standards. They have been produced to meet or exceed original equipment specifications for material quality, dimensional tolerance, and field durability — the same rigors the factory part is designed to handle. The result is a component that installs like factory, performs like factory, and delivers long service life without the dealer price tag.

Fitment Guide

Crawlers (4)
John Deere 450G
John Deere 550G
John Deere 555G
John Deere 650G
Excavators (5)
John Deere 110
John Deere 120
John Deere 120C
John Deere 160CLC
John Deere 160LC
Forwarders (2)
John Deere 1010D
John Deere 810D
Log Loaders (1)
John Deere 444HLL
Power Units (13)
John Deere 4045HF120
John Deere 4045HF150
John Deere 4045HF157
John Deere 4045HF158
John Deere 4045HF275
John Deere 4045TF157
John Deere 4045TF158
John Deere 4045TF220
John Deere 4045TF250
John Deere 4045TF258
John Deere 4045TF275
John Deere 4045TFM50
John Deere 4045TFM75
Telescopic Handlers (7)
John Deere 3200
John Deere 3215
John Deere 3220
John Deere 3400
John Deere 3415
John Deere 3420
John Deere 3800
Tractors (26)
John Deere 6110
John Deere 6110L
John Deere 6120
John Deere 6120L
John Deere 6210
John Deere 6210L
John Deere 6215
John Deere 6220
John Deere 6220L
John Deere 6310
John Deere 6310L
John Deere 6310S
John Deere 6320
John Deere 6320L
John Deere 6403
John Deere 6405
John Deere 6410
John Deere 6410L
John Deere 6410S
John Deere 6415
John Deere 6420
John Deere 6420L
John Deere 6420S
John Deere 6510L
John Deere 6510S
John Deere 6520L
Tree Harvesters (1)
John Deere 770D
Wheel Loaders (3)
John Deere 444H
John Deere 444J
John Deere TC44H
Engines (1)
John Deere 4045T, 4045H PowerTech, 8-Valve | Turbocharged, 1.625" Piston Pin, Piston Code 4804, 4809, 4816, 4822, Piston Marked RE55512, RE505102, RE509540
4-cyl • Diesel
While every effort has been made to ensure the accuracy of the fitment information listed above, it is ultimately the responsibility of the installing mechanic to perform a side-by-side comparison of the replacement part with the original to verify proper fit before installation. RF Engine is not liable for labor or consequential damages resulting from incorrect application.

Warranty Information

Reliance Power Parts Warranty Policy

The Reliance Power Parts (RPP) warranty policy covers parts and labor necessary to repair a warrantable failure to the functional condition of the application that existed immediately prior to the failure, as detailed below. This warranty applies to direct customers of RPP only and is non-transferable.


Coverage Periods

  • New Internal Engine Parts (Ag/Industrial): 1 year from invoice date, unlimited miles/hours
  • Engine Overhaul Kits (Heavy-Duty On-Highway): 2 years from invoice date, unlimited miles/hours
  • New Engine Accessories: 1 year from invoice date, parts replacement only
  • Remanufactured Engine Accessories: 6 months from invoice date, parts replacement only
  • Remanufactured Engine & Drivetrain Parts: 6 months from invoice date, parts replacement only
  • Drivetrain Parts: 1 year from invoice date, parts replacement only
  • Complete Engines & New Long Blocks (Reliance Manufactured): 6 months from invoice date, parts replacement only
  • Remanufactured Long/Short Blocks & New Short Blocks (Reliance Manufactured): 90 days from invoice date, parts replacement only

Engine accessories include turbochargers, fuel injectors, hydraulic pumps, engine oil pumps, oil coolers, water pumps, and electrical components.


Manufacturer's Warranty Items

To serve a wider application base, RPP offers lower volume, rare application, and remanufactured parts from a variety of manufacturers. These parts will be noted on your invoice as subject to a "Manufacturer's Warranty" policy and are not covered under this policy. Engines, long blocks, medium blocks, and short blocks produced by any company other than Reliance are solely covered by the manufacturer's warranty. Contact your Reliance representative for details.


Parts & Labor Coverage

  • Parts: Covered at current customer pricing using new or remanufactured RPP approved parts
  • OEM/Outside Parts: When RPP parts are available, OEM parts will be credited at RPP pricing. Parts not available from RPP will be covered at billed rate with invoice required
  • Labor: Offered at RPP's discretion, not to exceed published flat-rate times and maximum regional wholesale hourly labor rate
  • Holiday/Overtime Rates: Not covered

What's Not Covered

This warranty does not cover failures resulting from:

  • Owner or operator abuse or neglect
  • Operation without adequate coolant, fuel, or lubricants
  • Over-fueling or over-speeding
  • Lack of maintenance of lubricating, coolant, or air intake systems
  • Improper storage, starting, warm-up, run-in, or shut-down practices

Coverage does not include:

  • Troubleshooting or diagnostic time
  • Towing, transport, or down-time
  • Rental fees or incidentals
  • Delivery charges, travel, meals, or lodging
  • Business losses, docking, or harbor charges

Responsibilities

  • Installer: Ensure parts are correct for the application and install according to OEM procedures, specifications, and accepted industry standards
  • Owner: Operate and maintain equipment as specified in OEM operation and maintenance manuals

How to File a Claim

  • RPP must be notified prior to the end of the warranty period
  • All warranty repairs must be authorized by RPP technical staff
  • Request a Warranty Claim Form for the return of parts
  • Return all claimed parts to the indicated location within 30 days of receiving a Return Merchandise Authorization
  • Include failed parts, completed Warranty Claim Form, and copies of related work orders or invoices
  • Ship parts freight pre-paid in a condition that makes examination possible
  • Parts received without a Warranty Claim Form will be returned freight collect

Important Notes

  • Professional Installation Required: We strongly recommend installation by a qualified technician to ensure proper break-in and operation
  • Keep Your Records: Retain your invoice and service records for warranty claims
  • Questions?: If you're unsure about coverage or need assistance, please contact us

The warranties set forth herein are the sole warranties made by RPP regarding its parts. RPP makes no other warranties, expressed or implied, of merchantability or fitness for a particular purpose.

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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.