# 61A-45538-00 Yamaha Spacer | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Drive Shaft Spacer - Part Number: 61A-45538-00-00

  

A genuine Yamaha OEM drive shaft spacer used in Yamaha outboard lower-unit and water pump assemblies. This spacer works with the matching 61A-45527-00 drive shaft collar to maintain correct water pump and drive shaft component alignment.

  

⚙️ Key Features

  

• Genuine Yamaha OEM spacer

• Correct Yamaha part number 61A-45538-00-00

• Drive shaft / water pump spacer component

• Works with Yamaha drive shaft collar 61A-45527-00-00

• Used on Yamaha 115HP to 300HP lower-unit assemblies where specified

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 61A-45538-00-00 Yamaha spacer reference

• 61A-45538-00 short Yamaha spacer format

  

OEM / Related Numbers:

  

• 61A-45538-00-00

• 61A-45538-00

• 61A455380000

• 61A4553800

• 61A-45527-00-00 matching drive shaft collar

• 61A-45527-00 matching drive shaft collar

  

Aftermarket / Verified Equivalents:

  

• Aftermarket reference: 61A-45538-00

• Aftermarket reference: 61A4553800

• Yamaha drive shaft spacer replacement for 61A water pump stack assemblies

• Included / serviced alongside aftermarket 61A-W0078 water pump rebuild components where the original spacer is worn or missing

• Replacement drive shaft collar and spacer service family with 61A-45527-00 where matched by diagram

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha drive shaft and water pump assemblies

• Yamaha lower-unit service assemblies using 61A spacer and collar components

  

Typically suits:

  

• Engine models:

• Yamaha 115HP two-stroke lower-unit applications

• Yamaha 130HP two-stroke lower-unit applications

• Yamaha 150HP two-stroke and HPDI lower-unit applications

• Yamaha 175HP two-stroke lower-unit applications

• Yamaha 200HP two-stroke and HPDI lower-unit applications

• Yamaha 225HP two-stroke and four-stroke lower-unit applications

• Yamaha 250HP two-stroke and four-stroke lower-unit applications

• Yamaha 300HP high-output lower-unit applications where 61A-45538-00 is specified

• Yamaha F115 / F150 / F200 / F225 four-stroke applications using the 61A spacer and collar family

  

• HP Range: commonly 115HP - 300HP where specified

• Engine Type: Yamaha two-stroke, HPDI and four-stroke outboard lower-unit assembly

• Year Range: approximately 1991 onward depending on model and gearcase

• Component Type: Drive shaft spacer

  

🔌 Function

  

The drive shaft spacer maintains correct spacing around the water pump and drive shaft stack, helping keep the pump assembly aligned and correctly supported.

  

Common signs of failure or service need:

  

• Spacer missing during water pump service

• Incorrect water pump assembly height

• Wear marks, corrosion or deformation

• Impeller or pump housing alignment concerns

• Drive shaft hardware damage

• Replacement required during gearcase or water pump rebuild

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 4.44 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.44 AUD | In stock |

## Images

- 61A-45538-00 Yamaha Spacer | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/61a-45538-00-spacer)
> Updated: 2026-07-11