Skip to product information
SKU:
NLT2T02058
Ships for free in 2–4 business days.
Fuel Hand Priming Pump for Hitachi EX400 EX50UR EX60UR EX90 EX90-2
$22.99
In Stock
$22.99
Sale price
$22.99
Regular price
This hand priming pump is used on compatible Hitachi excavator diesel fuel systems including EX400, EX50UR, EX60UR and EX90-series machines.
Estimated delivery between
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
| Application | Compatible Models / Details |
|---|---|
| Hitachi Excavators | EX400, EX400-3, EX50UR, EX60UR, EX90, EX90-2 |
Product Overview
The hand primer is used to refill and bleed the low-pressure fuel circuit after a filter change, fuel-line repair or loss of prime. When the primer seals wear, it may fail to pull fuel, leak externally or allow air back into the system, leading to extended cranking.
Matching marketplace applications consistently tie this pump style to the listed Hitachi EX-series excavators. Since Hitachi machines can use different filter heads and engines by serial number, comparing the pump threads, base and original component is important before ordering.
Key Features & Performance
- Restores manual fuel-system priming and bleeding
- Helpful after fuel filter replacement or an emptied fuel system
- Compact screw-in hand-primer design
- Applications include several Hitachi EX and EX-UR excavator families
Reference Numbers & Specifications
- Reference number(s): Match the original primer and filter-head configuration; listing references vary by supplier
- Part type: hand fuel priming / feed pump
- System: diesel low-pressure fuel supply
- Function: purge air and restore fuel prime
Before You Order
- Compare the thread diameter, sealing surface and pump height with the original primer.
- If the system repeatedly loses prime, also inspect hoses, filter seals and check valves for an air leak.
Frequently Asked Questions
Why does a diesel need a hand primer?
It lets you move fuel and purge air without prolonged engine cranking after the fuel circuit has been opened.
Will a new primer fix every hard-start condition?
No. It helps when the problem is loss of fuel prime or a failed primer; injection, compression or electrical faults require separate diagnosis.
Compatibility can vary by engine, serial number and equipment configuration. Match the original part number and physical configuration whenever possible before ordering.