SIERRA Yamaha 50-70 HP Water Pump Kit without Housing – 18-3428-1

Description

SIERRA Yamaha 50-70 HP Water Pump Kit without Housing – 18-3428-1

Sierra 18-3428-1 is a Water pump service kit without housing engineered for the specified marine application. Yamaha 50-70 HP outboards, commonly 1984-1996 applications, using OEM kit 6H3-W0078-00-00 or 6H3-W0078-A0-00.

• Water-pump service kit for Yamaha outboards supplied without the pump housing.
• Sierra identifies this as the same service content as 18-3461 except for the omitted housing.
• Kit includes impeller 18-3069, pump gaskets, outer-plate gasket, O-ring and installation bolts.
• Replaces Yamaha 6H3-W0078-00-00 and 6H3-W0078-A0-00.
• Inspect the existing housing and stainless cup for scoring or heat damage; use a housing-inclusive kit if either is worn.

Fitment for marine engine and drive service parts can vary by model, serial number, gearcase, cooling configuration and prior component supersessions. Compare the original OEM number and physical configuration before installation, and renew related seals, locking hardware or adjacent wear items when their condition requires it.

Specifications

• Manufacturer: Sierra
• Part Number: 18-3428-1
• Part Type: Water pump service kit without housing
• Application: Yamaha 50-70 HP outboards, commonly 1984-1996 applications, using OEM kit 6H3-W0078-00-00 or 6H3-W0078-A0-00.
• Engine Range: 50-70 HP
• Typical Model Years: 1984-1996
• Kit Type: Without housing

Interchange / OEM References

• Yamaha Outboard: 6H3-W0078-00-00, 6H3-W0078-A0-00