RE521590 Genuine John Deere Fuel Injection Pump Db4, "5", "9", "12"
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RE521590 Genuine John Deere Fuel Injection Pump Db4
This premium heavy-duty rotary fuel injection pump delivers exceptionally precise fuel metering and high-pressure atomization directly into the combustion chambers, featuring a robust mechanical governor assembly, integrated fuel transfer pump infrastructure, and advanced internal check-valve sealing engineered to maximize thermal efficiency and torque output in demanding industrial and agricultural diesel engines.
Key Features
- Designed to match or exceed applicable specifications
- Provides the function required for the intended system or assembly
- Built for dependable performance and service life
- Backed by JOHN DEERE quality and engineering.
Specifications
| Brand | JOHN DEERE |
| Part Type | John Deere Fuel Injection Pump Db4 |
| SKU | RE521590 |
| OEM Cross Reference | DB4429-5926, DB44295926, RE521589, SE501206, SE501205 |
| UPC | 702575AT |
| Weight | 13.0 lb |
Brand Information
Brand: JOHN DEERE
As an iconic global leader in agricultural, construction, and forestry machinery, the manufacturer develops high-precision internal engine drivetrain networks under computerized metallurgical tolerances and multi-layered high-pressure dynamic diagnostic testing to guarantee long-term field productivity.
| Model | Component | Year | Serial Number |
|---|---|---|---|
| JOHN DEERE AGRICULTURAL & ENGINE SYSTEMS | FUEL INJECTION PUMP DB4 | ALL YEARS (Continuous Operation) | SKU: RE521590 / UPC: 702575AT |
| TRACTOR & HEAVY MACHINERY FUEL LINE | HIGH PRESSURE DIESEL INJECTION UNIT | ALL YEARS (Continuous Operation) | OEM REF: DB4429-5926 / DB44295926 |
| INDUSTRIAL MOTOR POWER ACCESSORIES | FUEL DELIVERY PUMP COMPONENT | ALL YEARS (Continuous Operation) | CROSS: RE521589 / SE501206 / WT: 13.0 LB |
Shipping Information
Processing time
In-stock parts ordered by 6:30 PM ET (Mon–Fri) leave our Arden, NC warehouse the same business day. Orders placed after the cutoff, or on weekends and holidays, ship the next business day.
Special-order and non-stock items typically add 1–2 business days of processing before shipping. If anything will take longer, we'll contact you first.
Delivery speeds
We ship with trusted national carriers (UPS, FedEx, USPS). Typical transit times after your order ships:
| Service | Transit time | Best for |
|---|---|---|
| Next Day Air | 1 business day | Down equipment — when every hour counts |
| 2nd Day Air | 2 business days | Urgent jobs on a schedule |
| Ground | 1–5 business days | Most orders — fast from NC to most of the eastern US |
| Economy / Standard | 3–7 business days | Non-urgent orders |
Freight & oversized items
Large or heavy items (housings, axles, large assemblies) may ship via LTL freight. If your order requires freight, we'll contact you with delivery details before dispatch.
- Freight deliveries are typically curbside.
- Lift-gate, residential, or inside delivery may add carrier fees — we'll quote these up front.
- The carrier may call to schedule a delivery appointment.
International shipping
Yes, we ship internationally. Rates and delivery times vary by destination and are shown at checkout. International customers are responsible for any duties, taxes, customs, or brokerage charges required by their country or carrier.
Free shipping offers
When we run free-shipping promotions, they apply to qualifying items and selected methods within the contiguous United States. Oversized/freight items aren't eligible unless specifically stated.
Damaged, lost, or missing items
Refused shipments
If you need to refuse a delivery, contact us first. Refused packages may be subject to return shipping charges unless the item is defective or damaged.
Track your order → · Call +1 (855) 994-4114 (Mon–Fri, 6 AM–10 PM ET) · support@speedysparts.com
Contact the Speedy's Parts team
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2398 Hendersonville Rd, Arden, NC 28704
