20405605 Cover | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Timing Gear Idler Access Cover - Part Number: 20405605

Genuine Volvo Penta cover fitted in the timing-gear casing beside the idler gear and pivot pin. It closes the access opening and is retained with set screw 20450795.

⚙️ Key Features

• Timing-gear casing access cover

• Located beside idler gear 20555503 and pivot pin 20758272

• Retained with locking-fluid-prepared set screw 20450795

• Protects the timing gears from contamination

• Sealing face and cover condition must be checked during service

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20405605 - current Volvo Penta timing-gear cover reference

OEM / Related Numbers:

• 20555503 - idler gear

• 20758272 - pivot pin

• 20405560 - hexagon screw

• 20450795 - set screw

• 20405706 - related timing-cover screws

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D5/D7 timing-gear casing assemblies

Typically suits:

• Engine / equipment models:

• TD520GE

• TAD530GE

• TAD531GE

• TAD532GE

• TD720GE

• TAD730GE

• TAD731GE

• TAD732GE

• TAD733GE

• Engine Type: Volvo Penta 5- and 7-litre industrial diesel

• Year / Serial Range: Timing-casing design and engine serial-number dependent

🔌 Function

Closes and protects the timing-gear casing opening beside the idler gear.

Common signs of failure:

• Oil leakage around the cover

• Cracked or distorted cover

• Loose locking screw

• Contamination entering the timing case

• Fretting at the cover seat

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging