Product Description
GM Lifter Tray Guides 12669185 & 12669184 | DOD / AFM Engines | Set of 4
Genuine OEM Lifter Guides for Active Fuel Management Applications
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.
This is the correct OEM replacement set when servicing or rebuilding an AFM-equipped engine. Using the proper lifter trays is critical to maintaining factory valvetrain geometry and preventing lifter rotation or failure.
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.
- DOD Delete Applications: If your engine has had DOD/AFM removed, you must use GM lifter tray part number 12595365.
When servicing an AFM-equipped LS or LT engine, using the correct OEM lifter trays is essential. These GM lifter tray guides restore factory reliability and ensure proper lifter operation—making them the right choice for any DOD/AFM engine repair.
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Product Reviews
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Afm trays
Easy install good quality,
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Lifter guide trays
Lifters had a snug fit I recommend these, quiet operation
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Lifter trays
Arrived on time, as described, would definitely do business again
