How do I confirm pilotpart283793 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Turbo TB4129 Turbocharger RE19779 for John Deere Engine 6466 Loader 644D 690B 740 772A 790 850B

For John Deere Turbocharger & Kit

Turbocharger & Kit RE19780 for John Deere

OEM / REF: RE19780SKU: pilotpart283793

Turbo TB4129 Turbocharger RE19779 for John Deere Engine 6466 Loader 644D 690B 740 772A 790 850B is a Turbocharger & Kit replacement part indexed for Part Number and Fit for follwing Models: John Deere Combine:6600,6602,6620,6622,7700,7720,8820,985,985HY4John Deere Forage Harvester:5200,5400,5440,5460,5720John Deere...

Stock: In stock
Condition: New
Fitment: John Deere Engine Spare Parts
Category: Turbocharger & Kit

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$467.54USD/EA

~~$75,280.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 7 – Nov 14
10	Nov 5 – Nov 12
50	Nov 3 – Nov 10

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Turbocharger & Kit Description

This Turbocharger & Kit is indexed for Part Number; Fit for follwing Models: John Deere Combine:6600,6602,6620,6622,7700,7720,8820,985,985HY4John Deere Forage Harvester:5200,5400,5440,5460,5720John Deere Backhoe Loader: 644C,644D,646C,690B,690C,690CR,740,740A,762A,762B,770A,770B,770BH,772A,772B,772BH,790,792,850BJohn Deere Tractor: 4250,4350,4430,4440,4450,4630,4640,4650,4840,4850,7020,8430,8440,8450,9940. Compare reference number RE19780 against the label on your existing John Deere component before ordering.

Additional cross references on file: AR83439, RE18989, AR101784. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

RE19780 AR83439 RE18989 AR101784 AR91131 AR63699 AR78121 AR78122 RE16964 RE41920408970-0003408970-0004

Applications

Part Number
Fit for follwing Models: John Deere Combine:6600,6602,6620,6622,7700,7720,8820,985,985HY4John Deere Forage Harvester:5200,5400,5440,5460,5720John Deere Backhoe Loader: 644C,644D,646C,690B,690C,690CR,740,740A,762A,762B,770A,770B,770BH,772A,772B,772BH,790,792,850BJohn Deere Tractor: 4250,4350,4430,4440,4450,4630,4640,4650,4840,4850,7020,8430,8440,8450,9940

Specifications

Part Number	RE19779, RE19780, AR83439, RE18989, AR101784, AR91131, AR63699, AR78121, AR78122, RE16964, RE41920, 408970-0003, 408970-0004, 408970-5004S, 408970-5003S, 466608-5001S, 4089700003, 4089700004, 4089705004S, 4089705003S, 4666085001S

Fitment Notes

Brand or application signal: John Deere Engine Spare Parts
Product family: Turbocharger & Kit
System category: Engine Spare Parts > Emission & Exhaust System > Turbocharger & Kit
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.