# 688-44316-A0 Yamaha Water Pump Gasket | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Water Pump Base Gasket - Part Number: 688-44316-A0

  

A genuine Yamaha water-pump gasket fitted between the pump base and lower-unit housing on selected mid-range outboards.

  

The gasket seals the pump base to the gearcase, maintaining cooling-water suction and preventing leakage around the base assembly.

  

⚙️ Key Features

  

• Genuine Yamaha OEM water-pump base gasket

• Correct Yamaha part number 688-44316-A0

• Upper or base sealing position in the pump assembly

• Used across Yamaha 50HP to 100HP water-pump systems

• Cross-references with Sierra, Recmar, Mallory, SEI and Paragon replacements

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 688-44316-A0 current Yamaha OEM service reference

  

OEM / Related Numbers:

  

• 688-44316-A0

• 688-44316-A0-00

• 68844316A000

• 688-44315-A0 related lower pump gasket

• 688-44324-A0 related cartridge gasket

• 688-44341-01 related pump base

• 67F-W0078-00 related water-pump kit

• 692-W0078-00 related water-pump kit

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-0240

• Recmar: REC688-44316-00

• Mallory: 9-60382

• SEI Marine: 96-499-22F

• Paragon: 688-44316-00 replacement gasket

• SeaStar Solutions: 118-0240

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha mid-range lower-unit water-pump bases

• Yamaha 688, 692 and 67F-series pump assemblies

  

Typically suits:

  

• Engine models:

• Yamaha 50HP two-stroke gearcases using the 688 pump base

• Yamaha 60HP two-stroke

• Yamaha 70HP and 70B two-stroke

• Yamaha 75HP, C75, E75 and P75

• Yamaha 80HP and C80

• Yamaha 85HP and C85

• Yamaha 90HP and C90

• Yamaha F75 four-stroke

• Yamaha F80 four-stroke

• Yamaha F90 four-stroke

• Yamaha F100 four-stroke

  

• HP Range: 50HP - 100HP

• Engine Type: Yamaha two-stroke and four-stroke outboard

• Year Range: Approximately 1980s onward, dependent on pump-base design

  

🔌 Function

  

The gasket seals the water-pump base against the gearcase so the impeller can draw water without air or pressure leakage.

  

Common signs of failure:

  

• Reduced tell-tale flow

• Engine overheats after pump installation

• Water leaks around the pump base

• Gasket is torn or incorrectly aligned

• Pump base does not sit flat against the gearcase

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 4.5 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.50 AUD | In stock |

## Images

- 688-44316-A0 Yamaha Water Pump Gasket | Genuine OEM Yamaha Outboard Part
- 688-44316-A0 Yamaha Water Pump Gasket | Genuine OEM Yamaha Outboard Part
- 688-44316-A0 Yamaha Water Pump Gasket | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/688-44316-a0-water-pump-gasket)
> Updated: 2026-07-11