Product Description
Genuine GM 12642273 Lifter Follower for High Pressure Fuel Pump
Fits 2014-Later LT1, LT4, L83, L86, and L8B Engines (5.3L & 6.2L)
The Genuine GM 12642273 Lifter Follower is the OEM replacement part designed specifically for the high-pressure fuel pump system on Gen V LT-based engines. Precision-manufactured to GM’s exact engineering standards, this camshaft follower ensures proper fuel pump operation, durability, and smooth engine performance.
Built from premium materials to withstand the extreme pressures of direct-injection systems, this lifter follower provides consistent contact with the camshaft lobe and prevents premature wear or fuel pump failure. Ideal for stock replacements or maintenance of high-performance LT engines, this OEM follower guarantees factory-level fit, function, and reliability.
*Does not fit L84, L87, or L8T applications.*
Key Features:
- Genuine OEM GM replacement for high-pressure fuel pump lifter follower
- Compatible with 2014-later LT1, LT4, L83, L86, and L8B Gen V engines
- Ensures proper camshaft-to-fuel pump contact for optimal performance
- Manufactured to precise GM factory specifications for reliability
- Constructed with premium materials to withstand high pressure and temperature
- Restores smooth and consistent fuel delivery under demanding conditions
- Direct-fit installation – no modifications required
Applications (8th Digit of VIN = 7, 6, C, R, J):
- Cadillac CTS-V (2016–2019)
- Cadillac Escalade (2015–2020)
- Chevrolet Camaro (2016–2023)
- Chevrolet Corvette (2014–2019)
- Chevrolet Express 2500 (2018–2021)
- Chevrolet Express 3500 (2018–2021)
- Chevrolet Express 4500 (2018–2021)
- Chevrolet Silverado 1500 (2014–2019)
- Chevrolet Suburban (2015–2019)
- Chevrolet Tahoe (2015–2019)
- GMC Savana 2500 (2018–2020)
- GMC Savana 3500 (2018–2020)
- GMC Savana 4500 (2018–2020)
- GMC Sierra 1500 (2014–2019)
- GMC Yukon (2015–2019)
