Fuel Injection Pump Cam Ring – Replaces Delphi 7123-308E
This fuel pump is manufactured to OEM specifications as a direct replacement part. Each unit undergoes quality testing for flow rate, pressure rating, and durability to ensure reliable field performance. Designed for professional mechanics and fleet operators who need parts that fit right the first time.
Vehicle Compatibility
| Application | Details |
|---|---|
| Fuel Injection Pump Cam Ring | Replaces Delphi 7123-308E Replacement Part Number: 26430608, 26430303, 7123-308E, 7139-713E, 7139713E, 7123308E, 3078631R1, 0242373-9, 02423739, 7180-970B,7123-309D,7139-974D, 7180970B,7123309D,7139974D Application:This is an aftermarket fuel injection pump cam ring designed to directly replace Delphi 7123-308E. It is suitable for use in a wide range of heavy machinery and industrial equipment that requires the Delphi 7123-308E ring specification. Disclaimer:This part is not manufactured by or affiliated with Delphi. It is an independent aftermarket product |
Replaces OEM Part Numbers
26430608 • 26430303 • 7123-308E • 7139-713E • 7139713E • 7123308E • 3078631R1 • 0242373-9 • 02423739 • 7180-970B • 7123-309D • 7139-974D
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injection pump 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
Can I cross-reference 26430608 with 26430303?
Yes. Both 26430608 and 26430303 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
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