# 21256410 Shift Mechanism | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta SX-A and DPS-A Shift Mechanism - Part Number: 21256410

  

Genuine internal shift mechanism used in Volvo Penta SX-A and DPS-A sterndrives.

  

⚙️ Key Features

  

• Genuine Volvo Penta drive shift assembly

• Suitable for SX-A and DPS-A sterndrives

• Converts shift-cable movement into gear selection

• Replaces earlier references 3843471 and 3889828

• Includes the principal shift-mechanism assembly only unless otherwise packaged

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21256410 → Supersedes 3889828

• 3889828 → Supersedes or replaces 3843471

  

OEM / Related Numbers:

  

• 21256410

• 3889828

• 3843471

  

Related Internal Parts:

  

• Bearing Housing: 21256401

• O-Ring: 925093

• Piston: 3886826

• Pin: 3862867

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Confirmed drives:

  

• SX-A

• DPS-A

  

🔌 Function

  

The mechanism moves the internal clutch and gear-selection components between neutral, forward and reverse.

  

Common signs of failure:

  

• Difficult shifting

• Drive remaining in gear

• Failure to engage forward or reverse

• Excessive control-lever effort

• Grinding during gear engagement

• Metal contamination in drive oil

• Excessive play in the shift linkage

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 965.57 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 965.57 AUD | In stock |

## Images

- 21256410 Shift Mechanism | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21256410-shift-mechanism-genuine-volvo-penta)
> Updated: 2026-08-02