Head Gasket - Yamaha 500 (1989-1993) OEM# 18-3804 | WSM 007-400

Head Gasket Yamaha 500 89-93 OEM# 18-3804

This WSM head gasket is a quality aftermarket replacement part designed for Yamaha Wave Runner 500.

It replaces selected OEM reference numbers including 18-3804, 6K8-11181-00-00, 6K8-11181-A1-00 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 5 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 007-400
• Product: Head Gasket
• OEM Reference: 18-3804, 6K8-11181-00-00, 6K8-11181-A1-00
• Application: Yamaha Wave Runner 500

Product Fitment

This part is suitable for the following models:

• Yamaha Wave Runner 500 – 1989
• Yamaha Wave Runner 500 – 1990
• Yamaha Wave Runner 500 – 1991
• Yamaha Wave Runner 500 – 1992
• Yamaha Wave Runner 500 – 1993

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:

• Jet Pump Repair Kit Yamaha 500 / 650 89-93 – 003-632
• Coil Lighting Yamaha 500 89-93 OEM# 6E7-81303-40-00 – 004-152
• Carburetor Gasket Kawasaki / Polaris / Yamaha 300 - 780 77-04 OEM# 11009-3786 – 007-494
• Fuel Filter Yamaha 500 - 1200 89-20 OEM# 6K8-24560-00-00 – 006-540

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