Product Specifications:
The 294050-0091 (OE Cross-Ref: 33100-87000 / 33100-87001) advanced remanufactured aftermarket fuel injection pump is precision-rebuilt to permanently eliminate severe rail pressure drops and hard-starting failures across your commercial freight fleet. Completely overhauled with brand-new thermal-resistant plungers, upgraded viton seals, and a new Suction Control Valve (SCV), this high-pressure supply pump assembly delivers factory-grade longevity while slashing fleet maintenance costs. Every single unit is strictly Tested on a DCI Bench to verify exact fuel metering and stable high-pressure delivery under heavy hauling loads. Engineered as a pre-calibrated assembly, it guarantees a seamless Plug & Play installation where no dealer coding is required, restoring your Hyundai Mega D6DB diesel engine to peak operating efficiency.
📊 Part Number Cross Reference
(Data verified via global catalog search – Extensive Interchangeability)
| Manufacturer Ref (Standard) | Original Equipment (Hyundai) |
|---|---|
| 294050-0091 / 294050-009# / 294050-0090 | 33100-87000 / 33100 87000 / 3310087000 |
| 294050-0092 / 294050-0093 / 294050-0094 / 294050-0095 | 33100-87001 / 33100 87001 / 3310087001 |
| 294050-0096 / 294050-0097 / 294050-0098 / 294050-0099 | 33100-87000 / 33100-87001 Series |
🚛 Fits Applications (Engine & Vehicle)
(Verified application list)
| Make | Model / Application | Engine Size | Year | Engine Code & Specs |
|---|---|---|---|---|
| Hyundai | Mega | Heavy-Duty | Heavy-Duty | D6DB |
👨🔧 Tech Notes & Installation Guide (FAQ)
Q: Why do commercial fleet workshops purchase remanufactured 294050-0091 fuel injection pumps in multi-unit sets alongside new injectors?
A: When an aging supply pump fails on a Mega D6DB truck, microscopic metal shavings or poor fuel lubricity often compromise the entire common rail system across sister fleet vehicles. Utilizing our wholesale tiered discount to overhaul your complete fuel system simultaneously protects newly installed injectors from cross-contamination and prevents costly highway breakdowns.
Q: Does this remanufactured 294050-0091 (33100-87000 / 33100-87001) common rail supply pump require manual dealer ECU coding?
A: No external dealer programming is required. Every remanufactured pump assembly and its new Suction Control Valve are dynamically calibrated on an advanced DCI test bench to match factory pressure curves, enabling your commercial truck ECU to self-adapt for a direct plug-and-play installation.
Q: Expert Mechanic Tip: What mandatory preparation step prevents immediate plunger seizure on D6DB remanufactured fuel pumps?
A: Cranking a newly installed high-pressure pump dry for even a few seconds or allowing residual metallic swarf into the inlet will destroy the precision plungers immediately. Before engine ignition, you must thoroughly flush the fuel tank, common rail, and supply lines, install a brand-new primary filter, and manually prime the pump housing until all air pockets are purged.
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⚖️ Legal Disclaimer
Part numbers, OE numbers, and brand names mentioned above are for reference and identification purposes only. This product is a compatible aftermarket replacement part and is NOT manufactured, sponsored, or affiliated with the original equipment manufacturers.








