SIERRA MerCruiser Water Pump Repair Kit – 18-3320

Description

SIERRA MerCruiser Water Pump Repair Kit – 18-3320

The SIERRA MerCruiser Water Pump Repair Kit – 18-3320 is a fitment-specific marine water-pump service component for the cooling-system applications listed below. It is intended for scheduled maintenance or repair of worn pump parts so the engine or drive can maintain dependable raw-water circulation.

• Application-specific water-pump service solution for the engines/drives listed below
• Replaces the applicable OEM/aftermarket references shown in the specifications
• Addresses normal water-pump wear during cooling-system maintenance
• Marine-duty replacement components selected for the specified pump configuration
• Verify model, serial number and OEM reference before installation

When servicing the pump, inspect all mating surfaces, seals, grommets, wear plates/cups and the driveshaft or pump shaft. Replace damaged supporting components at the same time to avoid reduced cooling-water output or premature failure.

Specifications

• Manufacturer: SIERRA
• Part Number: 18-3320
• Product Type: MerCruiser Water Pump Repair Kit
• Applications: MerCruiser MR/Alpha One units, serial number 6854393 through 0D469858
• Drive water-pump repair kit for the stated serial range
• OEM / Aftermarket Interchange:
  • GLM: 12120
  • Mallory: 9-48307
• Country of Origin: US
• HS Code: 84139100