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Stop the injector return line from weeping fuel on your 2017-2020 Chevy Silverado or GMC Sierra 2500HD/3500HD 6.6L Duramax L5P, or 2019-2020 Silverado 4500-6500 L5D, with the Alliant Power Injector Fuel Return Line Seal Kit. It replaces GM 12654651 / Navistar 6040526C1 seals and is the correct way to finish any injector or return line service.
Alliant Power validates, tests, and kits the components in an ISO 9001:2015 certified facility using OE-sourced or OE-spec parts, so the injector goes back in with fresh seals instead of reused ones, backed by Alliant Power technical support.
OEM P/N REFERENCE: General Motors 12654651; Navistar 6040526C1
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