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12742701 Genuine GM Multi-Port Fuel Injector Kit For Silverado Tahoe 4.3L 5.3L

P/N: 12742701 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 12742701 is a genuine GM multi-port fuel injector kit designed for select 2014–2021 GM vehicles equipped with 4.3L V6, 5.3L V8, and 6.2L V8 gasoline engines. This injector kit delivers the precise fuel flow required by the factory engine management system while matching the original fit and electrical connection for dependable installation.

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 12742701
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 12742701 genuine GM multi-port fuel injector kit is engineered to deliver accurate fuel metering and dependable performance across compatible GM gasoline engines:

  • Provides consistent fuel atomization to help maintain smooth idle quality, throttle response, and efficient engine operation
  • Built to match the original injector dimensions and electrical connector for an easy factory-style installation
  • Designed to work with the original GM fuel management system without requiring modifications
  • Manufactured to GM specifications for dependable fuel delivery under everyday driving conditions
  • Helps maintain balanced fuel distribution across the engine for stable performance and reliable combustion

Application Notes

The 12742701 multi-port fuel injector kit is designed for select 2014–2021 GM vehicles equipped with compatible 4.3L V6, 5.3L V8, and 6.2L V8 gasoline engines. Before installing the new injectors, inspect the fuel rail for contamination and replace all injector seals to help ensure a proper leak-free installation.

Verify the part number, engine size, and fuel system configuration before installation.

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