Product Description
Genuine GM LT4 High Pressure Fuel Pump – GM Part #12711668
High-Output HPFP Upgrade for 2014+ Gen V LT Engines | LT4 / LT5
The Genuine GM LT4 High Pressure Fuel Pump (HPFP) is the factory-engineered solution for increased fuel delivery on Gen V LT direct-injected engines. Originally equipped on supercharged LT4 and LT5 platforms, this pump is a proven upgrade for naturally aspirated and modified Gen V LT engines that require additional high-pressure fuel capacity. Located beneath the rear of the intake manifold, this pump delivers OEM reliability, precise fuel control, and the increased flow necessary to support higher horsepower builds while maintaining factory drivability.
Key Features & Benefits
- Increased High-Pressure Fuel Capacity: Provides substantially higher fuel flow than standard Gen V LT pumps, supporting higher horsepower and aggressive performance modifications.
- OEM GM Engineering & Reliability: Designed, tested, and validated by GM to deliver consistent fuel pressure and long-term durability in demanding performance environments.
- Direct Upgrade for Gen V LT Engines: Popular upgrade for LT1, L83, L82, L84, L86, L87, and L8T engines originally equipped with lower-flowing high-pressure fuel pumps.
- Maintains Factory Driveability: Retains OEM fuel control strategies when properly calibrated, ensuring smooth idle, cold starts, and part-throttle operation.
- OEM Replacement for Supercharged LT Platforms: Factory replacement pump for LT4 and LT5 engines used in high-performance GM vehicles.
Additional Information
- High Pressure Fuel Pump (HPFP) for Direct Injection
- Mounts under the rear of the intake manifold
- Supersedes GM part numbers 12694529 and earlier revisions
Key Fitments (OEM Replacement – Supercharged Models Only)
- Cadillac CT5-V: 2022–2025
- Cadillac CTS-V: 2016–2019
- Cadillac Escalade-V: 2023–2024
- Chevrolet Camaro ZL1: 2017–2024
- Chevrolet Corvette Z06 & ZR1: 2015–2019
Compatible Upgrade Applications
- LT1, L83, L82, L84, L86, L87, L8T (2014+ Gen V LT engines)
