Sierra 2500HD/3500HD Fuel System.

We track one Sierra 2500HD/3500HD Fuel System part, $724 as recorded 2026-09-02, at its lowest price across the retailers we compare.

Injectors, pumps, and flex-fuel kits that feed the engine enough fuel for bigger power or E85.

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2015-2016

FASS Fuel Systems Titanium Signature Series Diesel Fuel Lift Pump, 100GPH (TSC12100G)

$724

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Gains shown are manufacturer claims, labeled community estimates, or independent tests, as tagged on each part. See the full catalog to filter by engine, drivetrain, and more.