22295257 Belt Tensioner | Genuine Volvo Penta Part

🔧 Product Description

Later automatic belt tensioner for TAD520/TAD720-series engines. It applies from serial 11415147 onward and follows tensioners 20450758 and 21142055.

🚤 Compatibility

Typically suits:

• Volvo Penta D5A-B TA
• Volvo Penta D5A-T
• Volvo Penta D7A-B TA
• Volvo Penta D7A-T
• Volvo Penta D7C-B TA
• Volvo Penta TAD721GE
• Volvo Penta TAD722GE
• Volvo Penta TAD732GE EDC4
• Volvo Penta TAD733GE EDC4

• Engine Family: D, TAD
• Serial Range: SN11415147-

⚙️ Key Features

• Exact TAD520/TAD720/TAD721/TAD722/TAD732/TAD733 application
• Automatic spring-loaded tensioning
• Documented three-stage serial supersession
• Works with pulley 22295270 in later production
• Engine type: 4- or 6-cylinder turbocharged industrial/generator diesel

🔌 Function

Maintains accessory-belt tension as the belt stretches and engine speed changes.

⚠️ Common Signs of Failure

• Belt squeal or flutter
• Weak spring force
• Tensioner arm oscillation
• Pulley bearing noise
• Repeated belt loss

🛠️ Service Notes

• Renew the belt whenever the tensioner is changed, and check every pulley in the drive for roughness, wobble or a seized bearing at the same time
• Wind the tensioner back with the correct tool on the drive provided for it; do not lever on the arm or on the pulley, and release it onto the belt under control
• Check that the arm swings freely over its whole travel and returns smoothly, and that the mounting face and any dowel or locating pin are clean so the pulley sits square
• Tighten the mounting bolt to the figure in the workshop manual for your engine — an incorrectly tightened tensioner bolt is a common cause of repeat belt failures
• Run the engine and confirm the belt tracks central on every pulley with no flutter of the tensioner arm

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 22295257 → Supersedes 21142055 → Supersedes 20450758

OEM / Related Numbers

• 21142055 earlier number superseded by this part
• 20450758 earlier number superseded by this part
• 20450759 (related pulleys)
• 22295270 (related pulleys)
• 20585207 (related V-belt set)

Other-Brand OEM Numbers

• Fab Heavy Parts VOE22295257 replacement

Aftermarket / Verified Equivalents

• SRP replacement tensioner cross-referenced to 20450758 / 22295257

📦 Condition

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