Fitment Verified
AFM Valve Lifter Oil Manifold for 2007-2013 Chevy GMC 5.3L - Replaces 12571609, 917-162
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Product Description
This AFM Valve Lifter Oil Manifold is designed for listed 2007–2013 Chevy and GMC vehicles equipped with the 5.3L V8 engine and AFM cylinder-deactivation system. It is used in the engine oil control and valvetrain system to help manage oil flow to the AFM lifters during engine operation.
The AFM oil manifold routes pressurized oil to the lifter system so the cylinder-deactivation function can operate correctly. When the manifold, seals, or oil control passages become worn, restricted, or leak internally, the vehicle may show lifter noise, misfire symptoms, rough running, or AFM-related performance issues. This part is intended for repair situations where the AFM lifter oil manifold has been confirmed as faulty or is being replaced during lifter service.
Product Features
- Designed for listed 2007–2013 Chevy and GMC 5.3L V8 applications.
- Built for engines equipped with the AFM cylinder-deactivation system.
- Helps route engine oil pressure to the AFM lifter system.
- Suitable for repairs involving AFM oil control, lifter noise, misfire symptoms, or manifold sealing issues.
- Used in valvetrain and engine oil control system service.
- Replacement-style fit for compatible 5.3L AFM engine applications.
- Intended for installation during AFM manifold, lifter, or upper engine repair work.

