GM Lifter Tray Guides 12669185 & 12669184 | DOD / AFM Engines | Set of 4

For use on LS-Based Engines with Active Fuel Management Only (2007-2013 5.3L and some 6.0L/6.2L)

These Genuine GM lifter tray guides (Part Numbers 12669185 and 12669184) are designed specifically for LS and LT engines equipped with Displacement on Demand (DOD) / Active Fuel Management (AFM). The trays properly retain and align AFM lifters in the engine block, ensuring correct lifter operation, oil control, and long-term reliability.

Key Features & Benefits

• Genuine GM OEM Parts: Factory-correct lifter tray guides for AFM/DOD engines.
• AFM-Specific Design: Engineered exclusively for Displacement on Demand lifters.
• Maintains Lifter Alignment: Prevents lifter rotation and ensures proper oil control.
• Direct OEM Replacement: Perfect for engine repairs, rebuilds, or lifter service.
• Complete Set: Includes (4) lifter trays to service one V8 engine.

Important Fitment Notes

• AFM / DOD Engines ONLY: These trays are designed exclusively for engines equipped with factory Active Fuel Management lifters.
• Not for Non-DOD Engines: Will NOT work on non-AFM engines or engines that have had a DOD/AFM conversion or delete.