# 41674T Aftermarket Mercruiser Insert Driver Kit | Sawley's Select Marine Parts

🔧 Product Description

  

Aftermarket replacement Bravo Water-Hose Insert and Driver Kit - Replaces Part Number: 41674T

  

New aftermarket service kit replacing MerCruiser 41674T for installing the reinforcing inserts in Bravo transom/drive cooling-water hose connections. This is a cooling-system service tool kit, not an ignition component.

  

⚙️ Key Features

  

• Correct insert-driver kit for Bravo drives

• Installs both hose-end reinforcing inserts squarely

• Supports Bravo I, Bravo II and Bravo III cooling-water hose service

• Helps prevent hose-end collapse and water restriction

• Reusable driver tool with two replacement inserts

  

🧰 Kit / Assembly Contents

  

• 2 × Water-hose reinforcing inserts - MerCruiser P/N 41674T

• 1 × Insert driver/installation tool - MerCruiser tool P/N 91-43579

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 41674T (MerCruiser insert-kit reference)

• 91-43579 (driver-tool reference)

  

OEM / Related Numbers:

  

• 91-43579

• 41674

  

Aftermarket / Verified Equivalents:

  

• GLM: 47131 water-hose insert family

• Aftermarket Bravo insert-driver kits matched to 41674T

  

🚤 Compatibility

  

Commonly used on:

  

• MerCruiser Bravo transom and sterndrive cooling-water hose systems

  

Typically suits:

  

• Engine / Equipment models:

• Bravo I

• Bravo II

• Bravo III

• Bravo X/XR variants using the standard water-hose insert arrangement

• HP / Output Range: Drive rating dependent

• Engine / System Type: MerCruiser Bravo sterndrive cooling-water system

• Year Range: Bravo production; drive-serial dependent

• Serial / Component Identification: Confirm the transom water-hose style and insert diameter before installation.

  

🔌 Function

  

The driver tool installs the water-hose inserts squarely into the Bravo transom or drive hose connection. Correctly installed inserts support the hose ends and help maintain unrestricted cooling-water flow.

  

Common signs of failure / service requirement:

  

• Water-hose inserts are distorted, split or missing

• Bravo cooling hose ends collapse when clamped

• Cooling-water restriction is traced to unsupported hose connections

• Transom water-hose replacement requires new inserts

• Existing inserts cannot be removed and reused without damage

  

📦 Condition

  

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 5.45 AUD
- **Vendor:** Sawley's Select Marine Parts
- **Type:** Service & Repair Kits
- **Tags:** Ignition Components - Mercruiser, Sawley's Select – Ignition Components – MerCruiser | Marine Ignition Parts Coils Modules & Sensors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 5.45 AUD | In stock |

## Images

- 41674T Aftermarket Mercruiser Insert Driver Kit | Sawley's Select Marine Parts

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/41674t-mercruiser-insert-driver-kit-rec41674t)
> Updated: 2026-09-05