# 3854814 Gear Set | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta gear set for the 1.43:1 ratio, from the Marine Propulsion group, weighing 2.07 kg and listed for 12 applications on SX drives. It supersedes part number 3855274.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta SX-RT2
-   Volvo Penta SX-C
-   Volvo Penta SX-C1
-   Volvo Penta SX-C2
-   Volvo Penta SX-CT
-   Volvo Penta SX-CT1
-   Volvo Penta SX-CT2
-   Volvo Penta SX-M
-   Volvo Penta SX-M1
-   Volvo Penta SX-MTD
-   Volvo Penta SX-MTD3
-   Volvo Penta SX-RT1

-   **Engine Family:** SX

## ⚙️ Key Features

-   For the 1.43:1 ratio
-   2.07 kg
-   Supersedes 3855274
-   12 listed applications on SX drives

## 🔌 Function

Provides the matched pinion and gear pair that transmits drive through the unit at its specified reduction, so tooth contact and backlash stay correct.

## ⚠️ Common Signs of Failure

-   Whine or howl that changes with load and comes from the drive
-   Chipped or pitted teeth found on strip-down
-   Bright metal or gear glitter on the drain plug
-   Clunk or backlash felt at the propeller shaft
-   Overheating gear oil that smells burnt

## 🛠️ Service Notes

-   Gears are supplied as a matched set - never mix a new pinion onto an old gear
-   Shimming decides the tooth contact, and shims from 0.002 to 0.016 inch thick are listed in this same group for setting it
-   Ratio must match the housing and propeller package fitted

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3854814 → Supersedes 3855274

### OEM / Related Numbers

-   3855274 earlier number superseded by this part

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 2325.03 AUD
- **Vendor:** Volvo Penta
- **Type:** Drives & Propulsion
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2325.03 AUD | In stock |

## Images

- 3854814 Gear Set | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3854814-gear-set-genuine-volvo-penta)
> Updated: 2026-09-06