AW-17220743903, GT-K4ZB5X3V
CPP Diesel curates everything you need to restore, service, or upgrade your First-Gen’s fuel system — from VE injection pumps & tuning parts to lift pumps, injectors, fittings, banjo hardware, return lines, sumps/draw straws, and more. Every item below is vetted for 1989–1993 D250/D350 5.9L Cummins fitment.
Cross-shop the full 1989–1993 Cummins catalog for complementary upgrades.
It’s recommended. Stable supply pressure protects the VE pump and improves hot-start and throttle response. Choose 100–165 GPH based on power goals.
These popular VE upgrades add usable RPM and mid-range torque. They’re a great match with mild injector upgrades and towing tunes.
For towing, choose modest nozzle sizes for clean EGTs; for street/comp builds, larger nozzles can work with added airflow and monitoring.
Yes. They reduce restriction and aeration on high-flow systems. Verify tank style and plan routing before installation.
New sealing washers, return line hardware (banjos, tees), and brittle hoses. Inspect feed/return fittings and upgrade to AN where needed.