High-Performance 8.3L ISC/ISL/ISB/ISLE Engine Fuel Pump – Precision-Built for Heavy-Duty Trucks

Durable OEM-quality replacement part with reinforced steel housing and corrosion-resistant coating for extended service life. Direct-fit design ensures seamless compatibility with Cummins 8.3L engines (models ISC, ISL, ISB, ISLE).

Precision-engineered internal components including hardened gears and high-tolerance seals for consistent fuel delivery under extreme loads. Ideal for long-haul trucks, construction equipment, and fleet vehicles.

Exact OEM replacements (Part Numbers: 3973228 / 4954200) with upgraded wear resistance. Includes complete pump assembly for fast installation – no modifications required.

Trusted by commercial mechanics and fleet managers worldwide. Bulk pricing available for wholesale buyers. Ships globally with guaranteed lowest pricing.