Injection Pump Head Rotor 4/8.5R 3078624R1 for CASE Tractor 2500 574 674
This fuel pump is engineered as a direct replacement for the CASE Tractor 2500 574 674. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Injection Pump Head Rotor 4/8.5R 3078624R1 for CASE Tractor 2500 574 674 Note: To confirm the correct part you need, please contact us with your engine serial number or engine nameplate photo. Thank you! Replacement Part Number: 3078624R1 Applications:Fit for CASE Tractor: 2500, 574, 674 | See product specifications |
Replaces OEM Part Numbers
3078624R1
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the pump head & rotor may be the cause:
- Engine cranks but won’t start — The pump may have lost prime or stopped delivering fuel. Check for fuel at the filter outlet before replacing the pump.
- Stalling under load — A weak pump can’t maintain pressure at high demand. The engine runs fine at idle but dies when you put it to work.
- Fuel pressure warning (if equipped) — Modern equipment monitors fuel rail pressure. A low-pressure warning often means the pump is failing.
- Loud whining from fuel system — A failing pump makes a high-pitched whine that gets louder as it warms up. Normal pump noise is a low hum.
- Air in fuel lines — If you see bubbles in the transparent fuel line or the primer bulb won’t stay firm, the pump may be drawing air through a worn seal.
- Excessive return flow — Too much fuel returning to the tank instead of reaching the injectors indicates internal pump wear.
Before You Replace the Pump
Before replacing the pump, check the fuel filter and fuel lines for restrictions. A blocked filter causes the same symptoms as a failing pump on equipment. When installing the new pump, fill it with clean fuel before connecting the lines — this reduces priming time and prevents dry-run damage. After installation, bleed the system fully and check for leaks at all connection points. Replace the fuel filter at the same time as the pump to protect the new unit from debris.
Frequently Asked Questions
Does this replace OEM number 3078624R1?
Yes. This is a direct aftermarket replacement for 3078624R1. It matches the original dimensions, connector type, and operating specifications. No modifications to your vehicle or equipment are required.
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