8131835 Valve Spring Washer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve spring washer for the exhaust side, from the Engine group. It weighs 0.052 kg, is listed for 13 applications across the TAD, D and TWD series, and supersedes part number 20551396. The exhaust marking is the deciding detail — the other washer here, 8131328, carries no side marking and weighs 0.045 kg.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD1643VE-B
• Volvo Penta D16C1-E MG
• Volvo Penta D16C1-F MG
• Volvo Penta D16C2-E MG
• Volvo Penta D16C2-F MG
• Volvo Penta D16C-D MH
• Volvo Penta TWD1644-45GE
• Volvo Penta TAD1640-42GE-B
• Volvo Penta D16C1-E MH
• Volvo Penta D16C1-F MH
• Volvo Penta D16C2-E MH
• Volvo Penta D16C2-F MH
• Volvo Penta TWD1683VE

• Engine Family: TAD, D, TWD

⚙️ Key Features

• Exhaust side
• 0.052 kg
• 13 applications across TAD, D and TWD series engines
• Supersedes 20551396
• The unmarked alternative is 8131328

🔌 Function

Seats the exhaust valve spring against the head, spreading its load onto the casting.

⚠️ Common Signs of Failure

• Washer dished, worn or bitten into the head casting
• Spring seat visibly recessed or the spring standing crooked
• Valve gear noise or clearances that drift after adjustment
• Bright wear ring in the head where the washer beds

🛠️ Service Notes

• Only 7 grams separate this exhaust washer from the unmarked 8131328, so order by part number and position rather than by weight
• Inspect the head where the washer seats and renew valve springs as a set if any are tired

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 8131835 → Supersedes 20551396

OEM / Related Numbers

• 20551396 earlier number superseded by this part

📦 Condition

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