Standard Ignition SK120 Fuel Injector Seal Kit

Brand	Standard Ignition SK120
Assorted Sizes	Yes
Injectors Covered per Kit	8
Kit/Set Contents	Yes
Material	Rubber
Pintle Cap Included	No
Seal Type	GDI
Fits	Cadillac, Chevrolet, and GMC · 89 vehicles

GDI seal kit. Includes assorted O-rings for a secure injector seal.

High-temp Viton material. Built to maintain proper sealing in extreme heat.

Multiple O-rings in various sizes make installation faster and more convenient.

Cross-references 2-12376, 800-93008 and 274845 for the same application. See all 6.

$29.46Free shipping

In stock · usually ships same day before 1pm CST

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Fuel Injector Seal Kit for GDI Service

Standard Ignition SK120 is a fuel injector seal kit built for direct injection service where reliable sealing matters. It uses high-temperature Viton O-rings to help maintain a tight seal under elevated heat and demanding engine conditions.

This kit is organized with assorted seal sizes for faster service and cleaner installation on compatible GM applications, including Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and related models.

Key Features

Fuel injector seal kit for GDI applications
High-temperature Viton O-rings for heat resistance
Assorted sizes for easier injector service and fitment matching
Rubber seal construction
Seal type: GDI
Designed for injector sealing on compatible Chevrolet, GMC, and Cadillac vehicles
Standard Ignition SK120 part number for service lookup

Detailed Description

Standard Ignition SK120 is a direct injection fuel injector seal kit engineered to sit between sealing surfaces and help prevent fuel leakage during severe operating conditions. The O-rings are made with high-temp Viton material to support sealing performance in hot engine environments, while the assorted-size layout helps streamline injector service. This makes SK120 a practical choice for technicians servicing GM trucks and performance-oriented applications such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade. This part cross-references 12623119 and 12672366 for the same application.

Common Problems This Kit Helps Address

Fuel seepage around direct injection injector seals
Hard starting caused by poor injector sealing
Rough idle related to vacuum or fuel leakage at the injector
Heat-related seal deterioration in high-load engine operation
Service delays when replacing injector seals on GDI systems

Installation Notes and Tips

Inspect injector sealing surfaces before installation and replace any damaged components that could affect the seal. Clean the injector bore and surrounding area thoroughly, then lubricate the O-rings as needed during assembly to reduce tearing and improve seating. Verify the seal type and application before reassembly, especially on 2014-2021 Chevrolet Silverado 1500, 2014-2021 GMC Sierra 1500, 2015-2020 Cadillac Escalade, and other listed GM direct injection vehicles.

Fits 2020-2021 Chevrolet Silverado 1500, N/A
Fits 2020-2021 GMC Sierra 1500, N/A
Fits 2020 Cadillac Escalade, N/A
Fits 2019-2020 Cadillac Escalade ESV, N/A
Fits 2019-2020 Chevrolet Tahoe, N/A
Fits 2019-2020 GMC Yukon, N/A
Fits 2020 GMC Yukon XL, N/A
Fits 2015-2019 Cadillac Escalade, N/A
Fits 2019 Chevrolet Camaro, N/A
Fits 2016-2017 Chevrolet Camaro, N/A
Fits 2019 Chevrolet Corvette, N/A
Fits 2014-2017 Chevrolet Corvette, N/A
Fits 2014-2019 Chevrolet Silverado 1500, N/A
Fits 2014-2019 GMC Sierra 1500, N/A
Fits 2015-2019 GMC Yukon XL, N/A
Fits 2015-2018 Cadillac Escalade ESV, N/A
Fits 2018 Chevrolet Corvette, N/A
Fits 2015-2018 Chevrolet Tahoe, N/A
Fits 2015-2018 GMC Yukon, N/A
Fits 2016 Chevrolet Suburban 3500 HD, N/A

Quality Assurance

Standard Ignition supplies service parts built for automotive repair applications, and SK120 uses quality-tested O-rings to support long-term sealing performance in extreme vehicle operation.

This part fits 89 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	Transmission	Liters	Cylinders	Fuel Type	Position	Notes
2021	Chevrolet	Silverado 1500	—	—	—	—	—	N/A	—
2021	GMC	Sierra 1500	—	—	—	—	—	N/A	—
2020	Cadillac	Escalade	—	—	—	—	—	N/A	—
2020	Cadillac	Escalade ESV	—	—	—	—	—	N/A	—
2020	Chevrolet	Silverado 1500	—	—	—	—	—	N/A	—
2020	Chevrolet	Tahoe	—	—	—	—	—	N/A	—
2020	GMC	Sierra 1500	—	—	—	—	—	N/A	—
2020	GMC	Yukon	—	—	—	—	—	N/A	—
2020	GMC	Yukon XL	—	—	—	—	—	N/A	—
2019	Cadillac	Escalade	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2019	Cadillac	Escalade ESV	—	—	—	—	—	N/A	—
2019	Chevrolet	Camaro	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2019	Chevrolet	Corvette	Stingray	—	—	—	—	N/A	Fitment: Service four injectors with one single package.
2019	Chevrolet	Silverado 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2019	Chevrolet	Silverado 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2019	Chevrolet	Silverado 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2019	Chevrolet	Tahoe	—	—	—	—	—	N/A	—
2019	GMC	Sierra 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2019	GMC	Sierra 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2019	GMC	Sierra 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2019	GMC	Yukon	—	—	—	—	—	N/A	—
2019	GMC	Yukon XL	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2019	GMC	Yukon XL	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	Cadillac	Escalade	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	Cadillac	Escalade ESV	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	Chevrolet	Corvette	Stingray	—	—	—	—	N/A	—
2018	Chevrolet	Silverado 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2018	Chevrolet	Silverado 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	Chevrolet	Silverado 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	Chevrolet	Tahoe	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	GMC	Sierra 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2018	GMC	Sierra 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	GMC	Sierra 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	GMC	Yukon	—	Automatic	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	GMC	Yukon	—	—	6.2L	V8	FLEX	N/A	Fitment: Service four injectors with one single package.
2018	GMC	Yukon XL	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2018	GMC	Yukon XL	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	Cadillac	Escalade	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	Cadillac	Escalade ESV	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	Chevrolet	Camaro	SS	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	Chevrolet	Corvette	Stingray	—	—	—	—	N/A	Fitment: Service four injectors with one single package.
2017	Chevrolet	Silverado 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2017	Chevrolet	Silverado 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	Chevrolet	Silverado 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	Chevrolet	Tahoe	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	GMC	Sierra 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2017	GMC	Sierra 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	GMC	Sierra 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	GMC	Yukon	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	GMC	Yukon	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	GMC	Yukon XL	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2017	GMC	Yukon XL	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	Cadillac	Escalade	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	Cadillac	Escalade ESV	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	Chevrolet	Camaro	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	Chevrolet	Corvette	Stingray	—	—	—	—	N/A	Fitment: Service four injectors with one single package.
2016	Chevrolet	Silverado 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2016	Chevrolet	Silverado 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	Chevrolet	Silverado 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	Chevrolet	Suburban 3500 HD	—	—	6.0L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	Chevrolet	Tahoe	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	GMC	Sierra 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2016	GMC	Sierra 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	GMC	Sierra 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	GMC	Yukon	—	Automatic	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	GMC	Yukon	—	—	6.2L	V8	FLEX	N/A	Fitment: Service four injectors with one single package.
2016	GMC	Yukon XL	—	Automatic	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2016	GMC	Yukon XL	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	Cadillac	Escalade	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	Cadillac	Escalade ESV	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	Chevrolet	Corvette	Stingray	—	—	—	—	N/A	Fitment: Service four injectors with one single package.
2015	Chevrolet	Silverado 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2015	Chevrolet	Silverado 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	Chevrolet	Silverado 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	Chevrolet	Tahoe	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	GMC	Sierra 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2015	GMC	Sierra 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	GMC	Sierra 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	GMC	Yukon	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	GMC	Yukon	—	—	6.2L	V8	FLEX	N/A	Fitment: Service four injectors with one single package.
2015	GMC	Yukon XL	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2015	GMC	Yukon XL	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2014	Chevrolet	Corvette	Stingray	—	—	—	—	N/A	Fitment: Service four injectors with one single package.
2014	Chevrolet	Silverado 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2014	Chevrolet	Silverado 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2014	Chevrolet	Silverado 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
2014	GMC	Sierra 1500	—	—	4.3L	V6	—	N/A	Fitment: Service four injectors with one single package.
2014	GMC	Sierra 1500	—	—	6.2L	V8	—	N/A	Fitment: Service four injectors with one single package.
2014	GMC	Sierra 1500	—	—	5.3L	V8	—	N/A	Fitment: Service four injectors with one single package.
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Directly replaces or cross-references 6 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

2-12376800-930082748451262311912672366SKDL93008