20713791 Timing Gear Cover | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D12 Timing Gear Cover - Part Number: 20713791

A genuine front timing-gear cover for Volvo Penta D12 engines. It replaces earlier cover 20512768, encloses the timing gear train and supports the specified seals and front-engine hardware.

⚙️ Key Features

• Current cover reference replacing 20512768

• Related Volvo reference 3169649

• Machined sealing and mounting faces match the D12 timing-gear plate

• Encloses idler gears, hubs and thrust components against contamination

• Supports the front sealing arrangement and adjacent sealing strip

• Must be tightened in sequence to avoid cover distortion and gear-contact issues

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20713791 - Current genuine Volvo Penta service reference

OEM / Related Numbers:

• 20512768 - Earlier timing-gear cover replaced by 20713791

• 3169649 - Related Volvo cover reference

• 8170561 / 21383522 - Timing-gear plate references

• 20489341 - Related seal

• 3828662 - Related cover

• 8170193 / 8170195 / 8170197 - Related idler gears

• 8170219 / 8170199 - Related hubs

• 8170220 / 3184865 - Related thrust washers

• 3184868 - Related bearing shield

• 20714247 - Related sealing strip

• 3835799 - Related timing-gear cover

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D12 industrial and generating-set engines

• TAD1240/TAD1241/TAD1242 and related D12 configurations using the documented timing case

Typically suits:

• Engine family: Volvo Penta D12 inline-six diesel

• Assembly: Front timing gear train

• Year range: Engine-generation and serial-number controlled

• Serial applicability: Confirm timing plate and sealing-strip version

🔌 Function

Encloses and protects the timing gears while supporting the engine's front sealing arrangement.

Common signs of failure or reasons for replacement:

• Engine oil leaks around the cover or front seal

• The cover is cracked or warped

• Mounting threads or sealing faces are damaged

• Timing gears contact the cover because of distortion

• Replacement is required after gear-train failure or impact

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging