OEM MerCruiser 7.4L 454 MPI 502 MPI Upper Intake Manifold Plenum 12553838 V8 Marine
Genuine OEM MerCruiser upper intake manifold (plenum assembly), part number 12553838, removed from a MerCruiser 7.4L MPI V8 marine engine application. This cast aluminum upper intake plenum is designed to mount above the lower intake manifold and distribute intake airflow to the MPI fuel injection system.
This manifold is commonly used on select MerCruiser, Mercury Marine, Volvo Penta, and Crusader 7.4L 454 MPI and 502 MPI fuel-injected V8 marine engines. It includes the upper plenum assembly and attached fittings exactly as shown in the photos.
The manifold has been cleaned and refinished and is structurally sound. It shows normal cosmetic wear consistent with previous marine use. Please verify compatibility with your specific engine model, serial number, and part number before purchasing.
Features & Highlights:
- Genuine OEM MerCruiser Component
- Upper Intake Manifold / Plenum Assembly
- Part Number: 12553838
- Fits Select 7.4L 454 MPI & 502 MPI Marine Engines
- Cast Aluminum Construction
- Factory Sensor & Vacuum Ports
- Mounting Hardware Included as Pictured
- Freshly Cleaned & Refinished
- Mounting Surfaces Intact
- Sold Exactly As Pictured
Specifications:
- Brand: MerCruiser
- Part Number: 12553838
- Engine Compatibility: 7.4L 454 MPI / 502 MPI V8
- Engine Type: Multi-Port Fuel Injection (MPI)
- Material: Cast Aluminum
- Component: Upper Intake Manifold / Plenum
- Color: Black (Refinished)
- Condition: Used OEM
Condition Details:
This intake manifold is in good used condition and has been cleaned and refinished. It is structurally sound with normal cosmetic wear from previous marine use. Mounting surfaces, threaded holes, and ports appear intact. Attached fittings and hardware shown in the photos are included. Please review all photos carefully and verify fitment using your engine serial number and part number prior to purchase.
Dealer Sale – Sunset Marine TX LLC
SKU: 10125