SIERRA Johnson / Evinrude Water Pump Kit without Housing – 18-3381

Description

SIERRA Johnson / Evinrude Water Pump Kit without Housing – 18-3381

Sierra 18-3381 is a Water pump service kit without housing engineered for the specified marine application. Johnson/Evinrude outboard water pumps using OEM kit references 393509 / 393630 and related Sierra application data.

• Water-pump rebuild kit supplied without the outer pump housing.
• Kit components include the impeller, cup, wear plate, grommet, gaskets/seals, O-rings and stainless fasteners for the specified pump family.
• Cross-references Johnson/Evinrude 393509 / 393630 and aftermarket GLM 12071 / Mallory 9-48205.
• Sierra application data identifies 18-3329 grommet 302497 as a component in the 18-3381 kit.
• Reuse the existing housing only if its bore, cup seating area and sealing surfaces are free of wear, scoring and distortion.

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: 18-3381
• Part Type: Water pump service kit without housing
• Application: Johnson/Evinrude outboard water pumps using OEM kit references 393509 / 393630 and related Sierra application data.
• Kit Type: Without housing
• OEM References: 393509 / 393630

Interchange / OEM References

• Johnson/Evinrude Outboard: 393509, 393630
• GLM: 12071
• Mallory: 9-48205