# 22-880862A1 Mercury MerCruiser 0166-0606 Fitting Kit 3/8 Hosetail x 3/8 Inverted Flare - Male | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Fuel Line Fitting Kit - Part Number: 22-880862A1

  

A genuine Quicksilver cast-brass fuel-system fitting with a 3/8-inch hose tail and 3/8-inch male inverted-flare connection.

  

The fitting is used in selected Mercury and Mariner direct-fuel-injection air-handler and vapour-separator assemblies. It provides a secure transition between the flexible fuel hose and the threaded flare connection within the engine fuel system.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM fuel-line fitting

• Correct Mercury part number 22-880862A1

• 3/8-inch hose tail to 3/8-inch male inverted flare

• Cast-brass marine fuel-system construction

• Used on selected Mercury DFI, OptiMax, Pro XS and Racing outboards

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 22-880862A1 → Supersedes 22-856812

• 22-856812 earlier OEM fitting reference

  

OEM / Related Numbers:

  

• 22-880862A1

• 880862A1

• 22880862A1

• 22-856812

• 856812

• 0166-0606

• 745061460720

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury and Mariner DFI / OptiMax air-handler fuel systems

• Vapour-separator and fuel-line hose-to-flare connections

• Mercury Pro XS and Mercury Racing direct-injection engines

  

Typically suits:

  

• Engine models:

• Mercury V135 DFI 2.5L - serial 0G960500 to 0T178499

• Mercury V150 DFI 2.5L - serial 0T178500 to 0T800999

• Mercury V150 DFI / OptiMax later-production fuel-system applications

• Mercury V175 DFI / OptiMax 2.5L fuel-system applications

• Mercury 200 DFI - serial 0G590000 to 0G760299

• Mercury 200 DFI / OptiMax 2.5L and 3.0L air-handler applications

• Mercury 225 DFI - serial 0T178500 to 0T598999

• Mercury 225 OptiMax 3.0L fuel-system applications

• Mercury 150 Pro XS DFI fuel-system applications

• Mercury Racing 200XS DFI 2.5L - serial 0T235000 to 0T818180

• Mercury Racing 250XS 3.0L DFI fuel-system applications

  

• HP Range: 135HP - 250HP

• Engine Type: Mercury / Mariner V6 DFI, OptiMax, Pro XS and Racing outboard

• Year Range: Approximately 1997-2006, dependent on engine model and serial number

  

🔌 Function

  

The fitting joins the flexible 3/8-inch fuel hose to the corresponding male inverted-flare fuel-system connection. It provides a mechanically secure and fuel-tight connection within the air-handler or vapour-separator assembly.

  

Common signs of failure:

  

• Fuel seepage around the hose tail or flare connection

• Strong petrol odour beneath the engine cowl

• Cracked, distorted or corroded fitting body

• Damaged flare seat or stripped connection threads

• Air entering the fuel line and causing poor engine operation

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 52.0 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 52.00 AUD | In stock |

## Images

- 22-880862A1 Mercury MerCruiser 0166-0606 Fitting Kit 3/8 Hosetail x 3/8 Inverted Flare - Male | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/22-880862a1-mercury-mercruiser-0166-0606-fitting-kit-3-8-hosetail-x-3-8-inverted-flare-male-genuine-quicksilver-oem-part)
> Updated: 2026-07-18