# 1521896 Gear Position Detent | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine Volvo transmission gear-position detent used in selected heavy-duty manual gearbox shift mechanisms. The detent engages a groove or selector position to provide positive gear location and prevent unintended movement of the selector rail. Although some aftermarket listings describe it as a sensor, 1521896 is a mechanical detent / retainer component. It has established aftermarket references from ATP and other European heavy-transmission suppliers.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta EPT802

-   **Engine Family:** EPT
-   **Year Range:** Approximately 1970s - 1990s

## ⚙️ Key Features

-   Genuine Volvo Penta OEM part number 1521896
-   Gear position detent for the transmission shift mechanism
-   Fits the EPT802 marine transmission
-   Net weight 0.402 kg
-   Supplied as a single component
-   Engine type: Volvo heavy-duty manual transmission shift mechanism

## 🔌 Function

The detent locates and holds the gear selector in its chosen position so the transmission stays firmly in forward, neutral or reverse. It provides the positive stop and tactile feel that stops the shift linkage from creeping between positions under load or vibration.

## ⚠️ Common Signs of Failure

-   Gear jumping or slipping out of engagement under load
-   Vague or notch-free feel at the shift control with no positive detent
-   Difficulty selecting or holding neutral
-   Rattling or knocking noise from the shift mechanism area
-   Visible wear, flattening or breakage of the detent component on inspection

## 🛠️ Service Notes

-   If the shift lever will not hold a selected gear position, or the transmission creeps out of gear under load, check this detent and its spring for wear before adjusting the shift linkage.
-   Inspect the mating selector groove/rail that the detent engages for wear at the same time — a worn groove will defeat even a new detent.

## 🔄 Supersession & Cross Reference

### Aftermarket / Verified Equivalents

-   ATP G-896
-   European aftermarket reference 038.449
-   MostDiesel: MDV1006
-   Kacmazlar: K10.04154
-   Aftermarket transmission reference: 038.449

## 📦 Condition

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

## Details

- **Price:** 115.38 AUD
- **Vendor:** Volvo Penta
- **Type:** Transmission & Gearbox
- **Tags:** Volvo Penta Parts | Genuine Marine Engine & Service Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 115.38 AUD | In stock |

## Images

- 1521896 Gear Position Detent | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/1521896-gear-position-detent-genuine-volvo-penta)
> Updated: 2026-10-10