# 6H1-43812-00 Yamaha Dust Seal | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Central Tilt-Ram Dust and Oil Seal - Part Number: 6H1-43812-00

  

A genuine Yamaha 18mm x 26mm x 5mm hydraulic seal used on the central tilt-cylinder ram of selected Yamaha outboards.

  

The seal wipes contamination from the tilt ram and retains hydraulic fluid around the moving rod. It is installed in the tilt-piston or cylinder-end assembly and should be renewed during hydraulic trim-unit rebuilding.

  

⚙️ Key Features

  

• Genuine Yamaha OEM hydraulic tilt-ram seal

• Correct Yamaha part number 6H1-43812-00

• Approximate dimensions: 18mm x 26mm x 5mm

• Used on central power-tilt cylinder assemblies

• Recmar and Parsun replacements available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 6H1-43812-00 current Yamaha OEM service reference

  

OEM / Related Numbers:

  

• 6H1-43812-00

• 6H1-43812-00-00

• 6H1438120000

• 6H1-43810-11 related tilt-piston sub-assembly

• 6H1-43872-10 related backup ring

• 93210-18397 related hydraulic O-ring

  

Aftermarket / Verified Equivalents:

  

• Recmar / Parsun: PAT85-06020003

• Parsun FL115: 18 x 26 x 5 trim seal

• Included in aftermarket 6H1-43810-11 tilt-piston assemblies

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha central power-tilt cylinder assemblies

• Yamaha 6H1-series tilt-piston sub-assemblies

  

Typically suits:

  

• Engine models:

• Yamaha 60HP two-stroke

• Yamaha 70HP and 70B

• Yamaha 75HP and C75

• Yamaha 80HP

• Yamaha 85HP and C85

• Yamaha 90HP and 90A

• Selected Yamaha 115HP and 130HP trim units using the same central ram seal

• Parsun FL115 hydraulic trim assemblies using the equivalent 18 x 26 x 5 seal

  

• HP Range: Commonly 60HP - 130HP where specified

• Engine Type: Yamaha two-stroke and selected four-stroke outboard trim units

• Year Range: Approximately 1990s - 2010s, dependent on hydraulic unit

  

🔌 Function

  

The seal wipes salt, sand and water from the tilt ram while retaining pressurised hydraulic fluid inside the cylinder.

  

Common signs of failure:

  

• Hydraulic fluid leaking around the central tilt ram

• Engine slowly lowers after being tilted

• Salt or dirt collects around the ram seal

• Ram surface becomes scored or corroded

• Seal is hardened, split or damaged during disassembly

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 13.95 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 13.95 AUD | In stock |

## Images

- 6H1-43812-00 Yamaha Dust Seal | Genuine OEM Yamaha Outboard Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6h1-43812-00-dust-seal)
> Updated: 2026-07-11