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