Radiator RE21561 AR76838 AR73260 AR84401 Fits for John Deere Engine 6466AR09 6499AR08 Tractor 8430 8440 8640
Radiator RE21561 AR76838 AR73260 AR84401 Fits for John Deere Engine 6466AR09 6499AR08 Tractor 8430 8440 8640 is backordered and will ship as soon as it is back in stock.
-
Powering 10,000+ Commercial Fleets
-
One Year Warranty
-
Easy 60-day Return
-
Expert support & Fitment Guarantee
Description
Description
Radiator RE21561 AR76838 AR73260 AR84401 Fits for John Deere Engine 6466AR09 6499AR08 Tractor 8430 8440 8640
Maintaining your heavy machinery at peak performance is essential to ensure operational efficiency and longevity. This radiator, designed to meet OEM specifications, offers reliable fit and durability tailored for demanding agricultural and heavy-duty environments.
Compatible Part Numbers
- RE21561
- AR76838
- AR73260
- AR84401
- AR73261
Specifications
- Condition: New, aftermarket replacement
- Function: Engine coolant heat dissipation and thermal management for diesel engine protection
Compatible Engines
- 6466AR09
- 6499AR08
Compatible Equipment
- John Deere Tractors: 8430, 8440, 8640
This radiator is engineered to provide efficient engine cooling by maintaining proper coolant flow and heat transfer capacity, critical for the John Deere 8000-series tractors operating under heavy agricultural loads. Its precision manufacturing ensures exact-fit installation, matching core dimensions, inlet/outlet configurations, and mounting points for seamless replacement.
Constructed with durability in mind, the radiator withstands the rigors of high-load agricultural environments, including temperature fluctuations, vibration, and exposure to debris. This robust design supports continuous operation and minimizes downtime caused by cooling system failures.
Offering a cost-effective alternative to original dealer parts, this aftermarket radiator delivers quality and performance without compromising reliability. It is an essential component for cooling system maintenance, radiator replacement, and preventive service, helping to keep your John Deere tractor functioning at optimal temperatures across all field conditions.
Package Contents
- 1 × Radiator RE21561 / AR76838 / AR73260 / AR84401
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Technical Specifications
Built for Heavy-Duty Conditions
Engineered with industrial-grade aluminum alloy cores and precision-brazed fins, our hydraulic radiators deliver maximum heat dissipation under sustained heavy-load operation — keeping your equipment running at optimal temperature in the most demanding environments.
- Industrial-grade aluminum alloy core
- Precision-brazed fin construction
- Pressure-tested before shipping
- Rated for extreme temperature cycles
Direct OEM Cross-Reference Fitment
Every Fab Heavy Parts radiator is cross-referenced against OEM part numbers to ensure drop-in compatibility. No modifications, no adapters — a direct replacement that installs in the same time as the original, verified against factory service manuals.
- OEM part number cross-referenced
- Direct bolt-on — no modifications
- Verified against factory service manuals
- Fits Komatsu, CAT, Hitachi, Volvo & more
Superior Cooling Efficiency
High-density fin spacing and optimized core geometry maximize heat transfer surface area, delivering cooling performance that meets or exceeds OEM thermal specifications — even under continuous peak-load operation on excavators, loaders, and heavy construction equipment.
- Meets or exceeds OEM thermal specs
- Optimized fin density for max airflow
- Validated under peak-load conditions
- Reduces hydraulic fluid operating temp
How We Compare
OEM-grade quality at a competitive price — with the support and warranty to back it up
| Feature | Fab Heavy Parts | OEM Dealer | Generic Brand |
|---|---|---|---|
| OEM Cross-Reference Verified | ✓ | ✓ | ✗ |
| Industrial-Grade Alloy Core | ✓ | ✓ | Varies |
| 1-Year Warranty | ✓ | Limited | ✗ |
| Expert Technical Support | ✓ | Dealer Only | ✗ |
| Competitive vs OEM Pricing | ✓ | ✗ Premium | ✓ |
| Pressure-Tested Before Ship | ✓ | Varies | ✗ |
Why Fleet Operators Choose Fab Heavy Parts
OEM-Grade Quality
Manufactured to OEM specifications with industrial-grade materials and precision tolerances.
1-Year Warranty
Every radiator backed by our comprehensive 1-year parts warranty with no-hassle claims.
Expert Technical Support
Our parts specialists verify fitment and answer installation questions before and after purchase.
Frequently Asked Questions
Frequently Asked Questions
Shipping and Delivery
What countries do you ship to?
What countries do you ship to?
We can ship to these countries:
Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Thailand, Vietnam
United States
Belgium, San Marino, Italy, Spain, Netherlands, France, Germany, Finland, Austria, Denmark, Ireland, Luxembourg, Monaco, Norway, Sweden, Switzerland, Portugal, Poland, Hungary, Canada, Estonia, Australia, Mexico, New Zealand, Bulgaria, Croatia, Cyprus, Czechia, Greece, Greenland, Iceland, Liechtenstein, Lithuania, Malta, Romania, Russia, Slovakia, Slovenia, Latvia, Turkey, United Kingdom
How long will it take to receive my order?
How long will it take to receive my order?
Estimated delivery time to USA: 3-6 workdays;
Estimated delivery time to Canada, Mexico: 4-7 workdays;
Estimated delivery time to Australia: 4-7 workdays;
Estimated delivery time to European countries: 4-7 workdays;
Estimated delivery time to Asian countries: 3-5 workdays.
Returns and Refunds
How do I return a product?
How do I return a product?
Our return policy lasts 60 days. If 60 days have gone by since the delivery, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
Steps of Returning Products to Fab Heavy Parts
1. Request returns in seconds at our return portal.
2. Fill in the email address you left with the order & the order number to start the return. Note: a correct order number format starts with a # hashtag
3. Select the items you wish to return and choose the return reason and upload photos of the received package.
Then, Fab Heavy Parts receives your return request and starts to process your return request. We may contact you for more details.
Steps after the approval of your return request:
1. A Return label will be sent to you via email. Print out the return label, place it on the parcel, and take it to the drop-off point. Make sure you properly pack the product for return if it’s returnable.
2. A refund of the original purchase price will be issued.
Any questions about returning products, please feel free to contact us at info@fabheavy.com
How long will it take to receive my refund?
How long will it take to receive my refund?
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within 3-10 business days.
Payment Methods
What kind of payment methods do you accept?
What kind of payment methods do you accept?
We accept all major credit cards, PayPal, Google Pay, Apply Pay, Shop Pay, debit cards.
If you prefer offline payment, please contact us to get our bank transfer details.
Taxes or duties
Will I receive customs/import duties?
Will I receive customs/import duties?
For orders shipping to the United States, our price includes the import fees. The receiver/buyer doesn't need to pay any extra customs taxes, or duties for their packages. For orders shipping to non-US countries, please check our policy here.



