# 21642833 Servo Unit | Genuine Volvo Penta Part

## 🔧 Product Description

Electro-hydraulic servo unit used in Volvo Penta EVC-D steering installations. It converts steering commands into controlled movement within the IPS or Aquamatic steering mechanism and is supplied as a calibrated service assembly.

## 🚤 Compatibility

-   **Engine Family:** D, IPS
-   **HP Range:** 260-435 HP
-   **Serial Range:** SN3194005812-

Full model list at the end of this description.

## ⚙️ Key Features

-   Genuine Volvo Penta electro-hydraulic servo
-   EVC-D steering-system application
-   Current new-unit reference with remanufactured alternative
-   Works with original sun gear, O-rings and steering cable
-   Requires correct EVC software and calibration
-   System type: Electronic steering / servo actuation

## 🔌 Function

Receives electronic steering commands and moves the steering mechanism through its hydraulic and geared actuator assembly.

## ⚠️ Common Signs of Failure

-   Steering fault or EVC alarm
-   Slow, uneven or no steering movement
-   Excessive servo noise
-   Hydraulic leakage
-   Loss of calibration or position feedback
-   Intermittent operation caused by wiring or connector faults

## 🛠️ Service Notes

-   At 12.683 kg this sits in the same weight class as the other ~12.7 kg EVC-D servo units listed under this item type, rather than the ~20 kg or ~8 kg servo units also sold here — confirm the exact drive variant your installation uses before ordering, since weight alone does not confirm fitment

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3801461 (Volvo Penta remanufactured exchange servo)

### Other-Brand OEM Numbers

-   VOE21642833

### OEM Reman Alternatives

-   Remanufactured servo: 3801461

### Aftermarket / Verified Equivalents

-   Related software: 3809285 and 3809286
-   Sun gear: 3588108
-   O-rings: 925258 and 955994
-   Steering cables: 888553 and 3807917

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D6-330D-E, D6-370D-E, D6-370D-B, D6-330D-B, D6-370D-A, D6-330D-C, D6-370D-C, D6-330D-D, D6-370D-D, D6-330D-F, D6-370D-F, D6-300D-F, D6-310D-B, D6-310D-D, D6-310D-C, D6-310D-E, D6-435D-A, D6-435D-D, D6-435D-E, D6-435D-F, D6-435D-C
-   Volvo Penta D4-260D-B, D4-260D-C, D4-260D-D, D4-260D-E, D4-260D-F, D4-300D-A, D4-300D-C, D4-300D-D, D4-300D-E, D4-300D-F
-   Volvo Penta IPS-B, IPS-C, IPS-D, IPS-E, IPS-F
-   Volvo Penta 8.1IPSCE-MF, 8.1IPSCE-P, 8.1IPSCE-Q

## Details

- **Price:** 11489.5 AUD
- **Vendor:** Volvo Penta
- **Type:** Steering
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 11489.50 AUD | In stock |

## Images

- 21642833 Servo Unit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21642833-servo-unit-genuine-volvo-penta)
> Updated: 2026-09-19