Our 5-81581012-0 electric pumps eliminate the B2B risk of fuel starvation in 3KR2 engines. Perfect for IHI mini excavators, they ensure instant priming and stable pressure, preventing stalling during heavy-duty mining tasks and maintaining consistent productivity in high-load scenarios.
Item NO.:
5-81581012-0Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSFor wholesalers and agents, the 581581-0120 offers an OEM-grade alternative with superior vibration resistance. Its energy-efficient motor minimizes wear, providing your clients with a reliable solution that reduces fleet downtime and significantly lowers long-term maintenance overhead.
Product Features

Precision Flow Calibration The 581581-0120 delivers a constant, pulse-free fuel flow, ensuring smooth combustion and protecting sensitive injection components from damage.
Instant Self-Priming Technology Features a high-suction design that rapidly clears air from fuel lines, enabling faster engine restarts even after long periods of machine inactivity.
Industrial-Grade Vibration Shielding Engineered with heavy-duty internals to withstand the constant mechanical shocks and vibrations inherent in IHI excavator working environments.
Anti-Corrosion Alloy Housing The rugged exterior resists oxidation and moisture, ensuring long-term electrical and mechanical integrity in humid or coastal construction sites.
Product Specification
| Product Name | Electric Gasoline Fuel Pump |
| OEM Part Number | 5-81581012-0 / 581581-0120 / 5815810120 |
| Engine Model | Isuzu 3KR2 / 3KR1 / 2KR1 |
| Application | Isuzu NPR / NKR Truck, ELF Series, Excavators, Forklifts |
| Material | High-Grade Zinc Alloy / Pure Copper Internal Coil |
| Installation Type | Direct Replacement (Standard OEM Size) |
| Thickness | Standard OEM Specification |
| Color | Silver Metallic / Black |
| Working Temperature | -40°C to 120°C (Standard industrial fluid range) |
| Key Function | Electrically transfers fuel to the injection system while maintaining constant pressure. |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Neutral Packing / Customized Box |

Why Choose Us
1.We have profession isuzu team,more than 20 years experience business isuzu parts.
2. We can offer used and new isuzu genuine parts, oem,good quality made in china parts to you.
3. The isuzu genuine parts will give weight,price when quotation.
4.Isuzu genuine stock pictures will send before order.
5.All isuzu parts can check with part number,all parts can order follow part number.
6. Quick delivery time,in 24 hours if sotck.
7. Safe packing to protect the goods, such as wooden box, Iron sheet for our isuzu parts.
8. Small quantity can accept.Sample order also accept.
9. 24 hours oversea service.
10.Lifelong after-sales service.

Certificate



What's the shipping way you can offer?
1) Big order: By sea or by air.(It can reduce the costs)
2) Small order: DHL, TNT, UPS, FEDEX, EMS,ARAMEX

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