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fits John Deere
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Thermostat AR102258 for John Deere 6125A/H PowerTech Diesel

Thermostat AR102258 for John Deere 6125A/H PowerTech Diesel

SKU: NAR102258
$5789
Out of Stock
Currently unavailable
Condition: New Aftermarket
Cross-References: 851298, AR102258, FP-AR102258, FPAR102258, HCRNAR102258, NAR102258, P851298, TAR102258
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Family Operated Since 1975

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

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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

180 degree

John Deere 9220 Tractor w/ 6125A/H PowerTech engine
John Deere 9320 Tractor w/ 6125A/H PowerTech engine
John Deere 9520 Tractor w/ 6125A/H PowerTech engine
John Deere 6125HF070 Power Unit w/ 6125A/H PowerTech engine
John Deere 6105AF001 Power Unit w/ 6105A/H PowerTech engine
John Deere 9520T Tractor w/ 6125A/H PowerTech engine
John Deere 9200 Tractor Thru ESN 29999 w/ 6105A/H PowerTech engine
John Deere 744H Wheel Loader Early w/ 6105A/H PowerTech engine
John Deere 744H Wheel Loader After ESN 29999 w/ 6125A/H PowerTech engine
John Deere 6125AF001 Power Unit w/ 6125A/H PowerTech engine
John Deere 6125AFM01 Power Unit w/ 6125A/H PowerTech engine
John Deere CH2500 Sugar Cane Harvester w/ 6125A/H PowerTech engine
John Deere 744H Wheel Loader Thru ESN 29999 w/ 6125A/H PowerTech engine
John Deere 6750 Forage Harvester w/ 6125A/H PowerTech engine
John Deere 9300 Tractor w/ 6125A/H PowerTech engine
John Deere 9400T Tractor w/ 6125A/H PowerTech engine
John Deere 6125HF070 Power Unit w/ 6125A/H PowerTech engine
John Deere 7700 Forage Harvester w/ 6125A/H PowerTech engine
John Deere 9620T Tractor w/ 6125A/H PowerTech engine
John Deere 9620 Tractor w/ 6125A/H PowerTech engine
John Deere 7500 Forage Harvester w/ 6125A/H PowerTech engine
John Deere 6105HF001 Power Unit w/ 6105A/H PowerTech engine
John Deere 9300T Tractor w/ 6125A/H PowerTech engine
John Deere 824J Wheel Loader w/ 6125A/H PowerTech engine
John Deere 9420T Tractor w/ 6125A/H PowerTech engine
John Deere 9420 Tractor w/ 6125A/H PowerTech engine
John Deere 9200 Tractor After ESN 29999 w/ 6125A/H PowerTech engine
John Deere 6125AFM75 Power Unit w/ 6125A/H PowerTech engine
John Deere 7300 Forage Harvester w/ 6125A/H PowerTech engine
John Deere 9400 Tractor w/ 6125A/H PowerTech engine
John Deere 9860STS Combine w/ 6125A/H PowerTech engine
John Deere 450CLC Excavator w/ 6125A/H PowerTech engine
John Deere 9750STS Combine w/ 6125A/H PowerTech engine
John Deere 744J Wheel Loader w/ 6125A/H PowerTech engine
John Deere 7400 Forage Harvester w/ 6125A/H PowerTech engine
John Deere 6125HF001 Power Unit w/ 6125A/H PowerTech engine
John Deere 6850 Forage Harvester w/ 6125A/H PowerTech engine
John Deere 9320T Tractor w/ 6125A/H PowerTech engine
John Deere 755B Crawler Thru ESN 299999 w/ 6414T engine
John Deere 544D Wheel Loader w/ 6414T engine
John Deere 672B Grader thru ESN 299999 w/ 6414T engine
John Deere 544DH Wheel Loader w/ 6414T engine
John Deere 755BH Crawler Thru ESN 299999 w/ 6414T engine
John Deere JD544B Wheel Loader w/ 6414T engine
John Deere 640D Log Skidder thru ESN 299999 w/ 6414T engine
John Deere JD672A Grader w/ 6414T engine
John Deere 624EH Wheel Loader thru ESN 299999 w/ 6414T engine
John Deere 648D Log Skidder thru ESN 299999 w/ 6414T engine
John Deere 670B Grader thru ESN 299999 w/ 6414T engine
John Deere 690D Excavator thru ESN 299999 w/ 6414T engine
John Deere JD670A Grader w/ 6414T engine
John Deere 544C Wheel Loader w/ 6414T engine
John Deere 690DR Excavator thru ESN 299999 w/ 6414T engine
John Deere 693D Feller Buncher thru ESN 299999 w/ 6414T engine
John Deere 655 Crawler w/ 6414T engine
John Deere JD670 Grader w/ 6414T engine
John Deere 643 Feller Buncher thru ESN 299999 w/ 6414T engine
John Deere 624E Wheel Loader thru ESN 299999 w/ 6414T engine
John Deere JD750 Crawler w/ 6414T engine
John Deere 6414T Power Unit w/ 6414T engine
John Deere JD755 Crawler w/ 6414T engine
John Deere 755A Crawler w/ 6414T engine
John Deere 750B Crawler Thru ESN 299999 w/ 6414T engine
John Deere 655B Crawler Thru ESN 299999 w/ 6414T engine
John Deere JD640 Log Skidder w/ 6414T engine
John Deere 3140 Tractor w/ 6359D engine
John Deere 484 Cotton Stripper After 276 w/ 6359D engine
John Deere 3040 Tractor w/ 6359D engine
John Deere 9920 Cotton Picker w/ 6359D engine
John Deere 444D Wheel Loader After ESN 511476 w/ 6359D engine
John Deere 4420 Combine w/ 6359D engine
John Deere 4435 Combine w/ 6359D engine
John Deere 570B Grader Thru ESN 299999 w/ 6359D engine
John Deere 6359D Power Unit Saran w/ 6359D engine
John Deere 9910 Cotton Picker w/ 6359D engine
John Deere 4425 Combine w/ 6359D engine
John Deere 2955 Tractor w/ 6359D engine
John Deere 3150 Tractor w/ 6359D engine
John Deere 6359T/A Power Unit Dubuque w/ 6359T/A engine
John Deere 2950 Tractor w/ 6359D engine
John Deere 6359D Power Unit Dubuque w/ 6359D engine
John Deere 3055 Tractor w/ 6359D engine
John Deere 2940 Tractor w/ 6359D engine
John Deere 7440 Cotton Stripper w/ 6359D engine
John Deere 3255 Tractor w/ 6359T/A engine
John Deere 570B Grader Thru ESN 299999 w/ 6359T/A engine
John Deere 4050 Tractor After 6509 w/ 6359T/A engine
John Deere 544EH Wheel Loader Thru ESN 299999 w/ 6359T/A engine
John Deere 710B Backhoe Loader ESN 143930-299999 w/ 6359T/A engine
John Deere 444D Wheel Loader After ESN 511476 w/ 6359T/A engine
John Deere 4435 Hydro Combine w/ 6359T/A engine
John Deere 6359T/A Power Unit Saran w/ 6359T/A engine
John Deere 9920 Cotton Picker w/ 6359T/A engine
John Deere 3155 Tractor w/ 6359D engine
John Deere 710C Backhoe Loader Thru ESN 299999 w/ 6359T/A engine
John Deere 570B Grader After ESN 299999 w/ 6059D engine
John Deere 6059DF Power Unit Saran w/ 6059D engine
John Deere 6059DF Power Unit Dubuque w/ 6059D engine
John Deere 7445 Cotton Stripper Thru ESN 299999 w/ 6359T/A engine
John Deere 544E Wheel Loader Thru ESN 299999 w/ 6359T/A engine
John Deere 9930 Cotton Picker Thru ESN 299999 w/ 6359T/A engine
John Deere 9400 Combine Thru ESN 337245 w/ 6359T/A engine
OEM Part Number Cross Reference(s): AR102258

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.