RE503049 Genuine JOHN DEERE Fuel Injection Pump DB4 Series, "12", "8", "7"
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RE503049 Genuine JOHN DEERE Fuel Injection Pump DB4 Series
This professional-grade rotary fuel injection pump is precision-engineered to streamline high-pressure diesel fluid metering, optimize cylindrical timing calibration loops, and guarantee absolute combustion mechanical stability across multi-cylinder industrial engine structures.
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 | RE503049 |
| OEM Cross Reference | 3029DF128, D00098459, DB4-5512, DB45512, DB4629-5512, DB46295512, 703254AT Fitment: John Deere Engine - 3029DF128, 3029TF158, 4039DF008, 4039TF008, 4045DF158, 4045HF120, 4045HF158, 4045TF158, 4045TF258, 4239TF001, 6068HF120R02, 6068HF158, 6068HF258, 6068TF150, 6068TF151, 6068TF157, 6068TF158, 6068TF220, 6068TF220R02, 6068TF250, 6068TF258 |
| UPC | 703254AT |
| Weight | 30.0 lb |
Brand Information
Brand: JOHN DEERE
As a global standard in high-capacity agricultural power systems and advanced forced-induction engine architectures, John Deere utilizes top-grade internal rotor components, calibrated hydraulic advance nodes, and rigorous cleanroom volumetric pressure testing cells to manufacture fuel injection pumps that perform to exact original factory guidelines.
| Model | Component | Year | Serial Numbers |
| John Deere 3029 (DF128 / TF158) | Fuel Injection Pump (Stanadyne DB4) | 2011-2026 | All Series |
| John Deere 4039 (DF008 / TF008) | Fuel Injection Pump (Stanadyne DB4) | 2011-2026 | All Series |
| John Deere 4045 (DF158 / TF158 / TF258) | Fuel Injection Pump (Stanadyne DB4) | 2011-2026 | All Series |
| John Deere 6068 (HF158 / TF150 / TF157) | Fuel Injection Pump (Stanadyne DB4) | 2011-2026 | All Series |
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
