0322088 BRP Air Box Base | Genuine Used Part

🔧 Product Description

Genuine Used OMC Evinrude Johnson Twin-Cylinder Air Silencer Base - Part Number: 0322088

A genuine pre-owned air-silencer base for selected carburetted Evinrude and Johnson twin-cylinder outboards.

The base mounts in front of the carburettors and supports the corresponding air-silencer cover. It provides the shaped intake openings, mounting points and hose connections required by the original induction system.

Part number 0322088 replaces earlier air-silencer-base reference 0320678.

⚙️ Key Features

• Genuine OMC, Evinrude or Johnson used air-silencer base
• Correct OEM part number 0322088
• Common unprefixed number 322088
• Replaces earlier base 0320678
• Used on selected carburetted twin-cylinder engines
• Supports the original air-silencer cover and gasket
• Obsolete OEM component with no verified reproduction replacement

🚤 Compatibility

Verified catalogue applications include selected

• 1976 Evinrude 55HP engines
• 1978 Johnson 55HP engines
• 1982 Evinrude 50HP engines
• 1984 Evinrude 50HP engines
• Related 40HP-60HP twin-cylinder carburetted engine families
• Electric-start and remote-control models where 0322088 is shown in the intake-manifold diagram

Representative application period

• Approximately the mid-1970s through mid-1980s

Important fitment note

• Confirm the engine model and intake-manifold diagram.
• Different carburettor spacing, choke systems and starter arrangements can require different bases.
• Match the base to the correct cover and gasket.
• Do not assume all 40HP-60HP two-cylinder engines use the same air box.

🔌 Function

The base forms the rear half of the air-silencer chamber and aligns the intake openings with the carburettor throats.

It also provides mounting points for

• Air-silencer cover
• Intake hoses where fitted
• Linkage-clearance features
• Gasket and sealing components
• Related choke or primer-system hardware

⚠️ Common Signs of Failure

• Carburettor openings are cracked
• Cover screw bosses are broken
• Base is warped
• Hose nipple is damaged
• Base does not seal against the carburettors
• Fuel or oil residue has degraded the moulding
• Choke linkage contacts the base
• Mounting points have been overtightened

🛠️ Service Notes

Recommended checks before installation

• Confirm 0322088 or 322088 on the component
• Compare the carburettor-hole spacing
• Inspect all moulded bosses and hose nipples
• Replace damaged carburettor and air-box gaskets
• Confirm full choke and throttle movement
• Clean accumulated oil without using a solvent that attacks the plastic
• Tighten cover screws evenly
• Check that no loose fragments can enter the carburettors

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 0320678
• 320678
• 0322088
• 322088

OEM / Related Numbers

• 0320680 - Earlier matching air-silencer cover
• 0388140 - Related later cover
• 0322089 - Later cover reference
• 0320679 - Air-box-cover gasket
• 0325092 - Related carburettor mounting gasket
• 0321471 - Cover-to-base screw
• 0334884 - Later screw reference
• OEM Description: Base, Air Silencer

Aftermarket / Verified Equivalents

• No aftermarket equivalent

Service alternatives

• Genuine used OMC base 0322088
• Genuine used earlier base 0320678 where the complete original assembly matches
• Complete used cover-and-base air-silencer assembly

📦 Condition

• Genuine OMC Evinrude Johnson used part
• Pre-owned moulded intake component
• Cosmetic marks, fading and oil staining may be present
• Inspect all mounting points and hose connections before installation
• Supplied components are limited to those shown or described
• Supplied in protective or equivalent packaging