# 23548868 Lower Gear | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta lower gear with a 1.63:1 ratio, weighing 47.63 kg and listed for nine applications across D series engines and DPH drives. It supersedes 22079938, and a remanufactured lower gear is also catalogued.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D6-300A-G
-   Volvo Penta D6-340A-G
-   Volvo Penta D6-380A-G
-   Volvo Penta DPH-E
-   Volvo Penta D6-400A-G
-   Volvo Penta D4-150A-G
-   Volvo Penta D4-230A-G
-   Volvo Penta D4-270A-G
-   Volvo Penta D4-300A-G

-   **Engine Family:** D, DPH
-   **HP Range:** 150-400 HP

## ⚙️ Key Features

-   1.63:1 ratio
-   47.63 kg
-   Listed for nine applications across D series engines and DPH drives
-   Supersedes 22079938
-   A remanufactured lower gear is also catalogued
-   Ratio 1.63:1 (Volvo assembly listing)

## 🔌 Function

Is the lower half of the drive, carrying the propeller shafts and the bevel gears that set the 1.63:1 reduction and turn the drive to the propellers.

## ⚠️ Common Signs of Failure

-   Whine or growl from the lower unit that rises with shaft speed
-   Vibration under way that changes with engine speed
-   Milky gear oil, showing water has reached the gearcase
-   Metal particles on the drain plug magnet
-   Backlash or roughness felt at the propeller shaft

## 🛠️ Service Notes

-   Match the ratio to the drive it goes into - 1.76:1 (23548869), 1.96:1 (23548870) and 2.08:1 (23548871) cover the same applications
-   Compare the cost against the remanufactured lower gear listed for this fitment
-   Find why the oil was contaminated, usually a failed seal, before fitting a replacement gear

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   23548868 → Supersedes 22079938 → Supersedes 3888875 → Supersedes 3801227

### OEM / Related Numbers

-   22079938 earlier number superseded by this part
-   3888875 earlier number superseded by this part
-   3801227 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 13141.48 AUD
- **Vendor:** Volvo Penta
- **Type:** Drives & Propulsion
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 13141.48 AUD | In stock |

## Images

- 23548868 Lower Gear | Genuine Volvo Penta Part
- 23548868 Lower Gear | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/23548868-lower-gear-genuine-volvo-penta)
> Updated: 2026-09-22