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0390131 Johnson 90HP Mid Section Cowling | Genuine Used Part

0390131 Johnson 90HP Mid Section Cowling | Genuine Used Part

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🔧 Product Description

Genuine Johnson / Evinrude Rear Exhaust Housing Cover - Part Number: 0390131

A genuine rear midsection cover fitted to the exhaust housing of selected Johnson and Evinrude V4 and V6 outboards.

This component is the removable rear exhaust-housing cover rather than the upper engine cowling. It closes the rear of the midsection and provides service access to the exhaust adapter, mounts and cooling components.

⚙️ Key Features

  • Genuine Johnson / Evinrude rear midsection cover
  • Correct part number 0390131
  • Fits 20-inch exhaust-housing assemblies where specified
  • Removable access cover with separate perimeter seal
  • Used on V4 and V6 outboard midsections

🚤 Compatibility

Commonly used on

  • Johnson and Evinrude V4 and V6 exhaust housings
  • 20-inch midsection assemblies

Typically suits

  • Engine models:
  • Johnson / Evinrude 88HP V4
  • Johnson / Evinrude 90HP V4
  • Johnson / Evinrude 100HP V4
  • Johnson / Evinrude 110HP V4
  • Johnson / Evinrude 112HP V4
  • Johnson / Evinrude 115HP V4
  • Johnson / Evinrude 150HP V6
  • Johnson / Evinrude 175HP V6
  • 20-inch transom models using rear cover 0390131
  • 1989 Evinrude 88HP E88MSLCER
  • 1991 Evinrude 175HP E175STLEID
  • 1998 Evinrude 90HP E90TSLECM
  • HP Range: 88HP - 175HP
  • Engine Type: Johnson / Evinrude V4 and V6 two-stroke outboard
  • Year Range: Approximately 1985-1998

🔌 Function

The cover closes the rear opening of the exhaust housing, protecting the internal adapter, mounts and cooling components while allowing removal for midsection service.

⚠️ Common Signs of Failure

  • Cover is cracked or distorted
  • Mounting screws or holes are damaged
  • Seal is missing or no longer seats correctly
  • Cover rattles or shifts during operation
  • Paint is heavily corroded, faded or damaged

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 0390131 current OEM rear-cover reference

OEM / Related Numbers

  • 0390131
  • 390131
  • 0318258 related cover seal
  • 0323800 related front exhaust-housing cover
  • 0983524 25-inch rear cover and seal assembly

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in the condition you received it for a refund or exchange. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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