Gasket Head - Johnson / Evinrude 250-300 HP V8 4.0L Looper (1988, 1995) OEM# 0333554 | WSM 505-20

Gasket Head Johnson / Evinrude 250 - 300 Hp V8 4.0L Looper 88-95 OEM# 0333554

This WSM gasket head is a quality aftermarket replacement part designed for Johnson/Evinrude 8 Cyl 3.685 Big Bore Looper 275 and 2 other compatible models.

It replaces selected OEM reference numbers including 0333554, 0340116 and is suitable for service, repair and rebuild work.

Key Features

• Quality replacement gasket designed for dependable sealing performance
• Ideal for service, repair and engine rebuild work
• Manufactured for fit, durability and reliable installation
• Compatible with 3 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 505-20
• Product: Gasket Head
• OEM Reference: 0333554, 0340116
• Application: Johnson/Evinrude 8 Cyl 3.685 Big Bore Looper 275 and 2 other compatible models

Product Fitment

This part is suitable for the following models:

• Johnson/Evinrude 8 Cyl 3.685 Big Bore Looper 275 – 1991-1995
• Johnson/Evinrude 8 Cyl 3.685 Big Bore Looper 300 – 1988
• Johnson/Evinrude – 1988-1995

Why Buy WSM

WSM is a trusted manufacturer of aftermarket marine and powersports parts, known for dependable quality, strong fitment coverage and workshop-ready replacement components.

You May Also Need

Browse related parts for compatible models:

• Washer Tilt Tube Johnson / Evinrude / Mercury / Mariner / Yamaha 3 - 350 Hp OEM# 0321036 – 986-305
• Rectifier / Regulator Johnson / Evinrude 185 - 300 Hp 85-92 OEM# 0583266 – 365-3689
• Gasket Kit Powerhead Johnson / Evinrude 250 - 300 Hp V8 OEM# 0398693 – 500-152
• Gasket Base Johnson / Evinrude 250 - 300 Hp V8 Looper 85-95 OEM# 0329975 – 510-12

Please use the fitment guide, OEM references and images to confirm this is the correct part before ordering.