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12668649 Genuine GM Multi-Port Fuel Injector Kit For Silverado Tahoe 4.3L 5.3L

P/N: 12668649 Manufactured by: GM
Original price $145.00 - Original price $145.00
Original price
$145.00
$145.00 - $145.00
Current price $145.00
3 in Stock
Condition: New
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Description

The 12668649 is a genuine GM multi-port fuel injector kit built for select 2014–2021 Cadillac, Chevrolet, and GMC vehicles equipped with 4.3L V6, 5.3L V8, and 6.2L V8 gasoline engines. Designed to work with the factory fuel system, this kit helps the engine deliver clean, consistent power by supplying each cylinder with the fuel it needs under changing driving conditions.

Vehicle Compatibility

Year Vehicle Engine Trims
2021 Cadillac Escalade 6.2L V8 Gas Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum
2021 Cadillac Escalade ESV 6.2L V8 Gas Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum
2020 Cadillac Escalade 6.2L V8 Flex, 6.2L V8 Gas Base, Luxury, Platinum, Premium Luxury
2019 Chevrolet Express 2500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2019 Chevrolet Express 3500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2019 Chevrolet Suburban 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Flex, 6.2L V8 Gas LS, LT, Premier
2019 Chevrolet Tahoe 5.3L V8 Flex, 5.3L V8 Gas LS, LT, PPV, Premier, SSV
2019 GMC Savana 2500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2019 GMC Savana 3500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2019 GMC Sierra 1500 Limited 5.3L V8 Flex, 5.3L V8 Gas Base, SLE
2019 GMC Yukon 5.3L V8 Flex, 5.3L V8 Gas SLE, SLT
2019 GMC Yukon XL 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Flex, 6.2L V8 Gas Denali, SLE, SLT
2018 Chevrolet Express 2500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2018 Chevrolet Express 3500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2018 Chevrolet Silverado 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas Custom, High Country, LS, LT, LTZ, SSV, WT
2018 Chevrolet Suburban 5.3L V8 Flex, 5.3L V8 Gas LS, LT, Premier
2018 Chevrolet Tahoe 5.3L V8 Flex, 5.3L V8 Gas LS, LT, PPV, Premier, SSV
2018 GMC Savana 2500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2018 GMC Savana 3500 4.3L V6 Flex, 4.3L V6 Gas Base, LS, LT
2018 GMC Sierra 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas Base, Denali, SLE, SLT
2018 GMC Yukon 5.3L V8 Flex, 5.3L V8 Gas SLE, SLT
2018 GMC Yukon XL 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Flex, 6.2L V8 Gas Denali, SLE, SLT
2017 Chevrolet Silverado 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas Custom, High Country, LS, LT, LTZ, SSV, WT
2017 Chevrolet Suburban 5.3L V8 Flex, 5.3L V8 Gas LS, LT, Premier
2017 Chevrolet Tahoe 5.3L V8 Flex, 5.3L V8 Gas LS, LT, PPV, Premier, SSV
2017 GMC Sierra 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas Base, Denali, SLE, SLT
2017 GMC Yukon 5.3L V8 Flex, 5.3L V8 Gas SLE, SLT
2017 GMC Yukon XL 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Flex, 6.2L V8 Gas Denali, SLE, SLT
2016 Chevrolet Silverado 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas Custom, High Country, LS, LT, LTZ, SSV, WT
2016 Chevrolet Suburban 5.3L V8 Flex, 5.3L V8 Gas LS, LT, LTZ
2016 Chevrolet Tahoe 5.3L V8 Flex, 5.3L V8 Gas LS, LT, LTZ, PPV, SSV
2016 GMC Sierra 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas Base, Denali, SLE, SLT
2016 GMC Yukon 5.3L V8 Flex, 5.3L V8 Gas SLE, SLT
2016 GMC Yukon XL 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Flex, 6.2L V8 Gas Denali, SLE, SLT
2015 Chevrolet Silverado 1500 4.3L V6 Flex, 5.3L V8 Flex, 5.3L V8 Gas High Country, LS, LT, LTZ, SSV, WT
2015 Chevrolet Suburban 5.3L V8 Flex LS, LT, LTZ
2015 Chevrolet Tahoe 5.3L V8 Flex LS, LT, LTZ, PPV, SSV
2015 GMC Sierra 1500 4.3L V6 Flex, 5.3L V8 Flex, 5.3L V8 Gas Base, Denali, SLE, SLT
2015 GMC Yukon 5.3L V8 Flex SLE, SLT
2015 GMC Yukon XL 5.3L V8 Flex, 6.2L V8 Flex Denali, SLE, SLT
2014 Chevrolet Silverado 1500 4.3L V6 Flex, 5.3L V8 Flex, 5.3L V8 Gas High Country, LT, LTZ, WT
2014 GMC Sierra 1500 4.3L V6 Flex, 5.3L V8 Flex Base, Denali, SLE, SLT


General Specifications

Condition New
Part Number 12668649
Brand GM
Part Type Multi-Port Fuel Injector Kit
Years 2014–2021
Vehicle Cadillac Escalade, Chevrolet Silverado 1500, Chevrolet Tahoe, Chevrolet Suburban, Chevrolet Express, GMC Sierra 1500, GMC Yukon, GMC Yukon XL, GMC Savana
Engine Compatibility 4.3L V6 Flex/Gas, 5.3L V8 Electric/Gas, Flex/Gas, 6.2L V8 Flex/Gas
Fitment Type Direct Replacement


Product Features

The 12668649 multi-port fuel injector kit is manufactured to GM factory specifications for dependable fuel system operation:

  • Delivers consistent fuel flow to help maintain smooth engine performance and throttle response
  • Engineered to fit the original fuel rail and injector mounting locations
  • Matches the factory electrical connectors for proper communication with the engine control system
  • Helps provide balanced fuel distribution across compatible V6 and V8 engines
  • Built to meet the operating demands of daily driving, towing, and heavy workloads
  • Designed for the Cadillac, Chevrolet, and GMC applications listed in the compatibility information

Application Notes

The 12668649 multi-port fuel injector kit is intended for GM vehicles equipped with the original multi-port fuel injection system. Before installing the kit, inspect the fuel rail, injector bores, and electrical connectors for dirt or damage.

Always verify the part number, vehicle application, engine configuration, and fuel system before installation.

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