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Sierra 1500 Fuel System.

We track 3 Sierra 1500 fuel-system parts from 2 brands, $399 to $799 as recorded 2026-09-08, each at its lowest price across the retailers we compare. 1 of them publishes a horsepower figure, labeled by where the number came from.

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

3 parts

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Advanced Fuel Dynamics FlexLink Flex Fuel System for 2014-2018 GMC Sierra 1500 (6.2L V8)
2014-2018
Advanced Fuel Dynamics FlexLink Flex Fuel System
$399typical price
Advanced Fuel Dynamics ProFlex DXI Adaptive Flex Fuel System (6.2L) for 2020-2026 GMC Sierra 1500 (6.2L V8)
2020-2026
Advanced Fuel Dynamics ProFlex DXI Adaptive Flex Fuel System (6.2L)
$799typical price
2020-2026
FASS Fuel Systems FASS Drop-in Series Diesel Fuel System 2020-2026 LM2/LZ0 Sierra & Silverado Trucks
$503.99
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Chevy Silverado 1500 and GMC Sierra 1500: Where to Start on a BuildFord Super Duty Power Stroke: Where to Start on a BuildF-150 Fuel System Upgrades: What Actually Supports More Power, By Engine

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.