21306356 Lip Seal | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Crankshaft Lip Seal - Part Number: 21306356

A radial crankshaft seal used in the front timing-gear area on selected Volvo Penta D5, D7, TAD5 and TAD7 engines. It supersedes seal 21486084.

⚙️ Key Features

• Genuine Volvo Penta component

• Supersedes 21486084

• Oil- and temperature-resistant sealing material

• Designed for the original crankshaft and timing-cover diameter

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21306356 → Supersedes 21486084

OEM / Related Numbers:

• 21486084 - earlier lip-seal reference

• Associated timing cover, crankshaft hub and installation sleeve

Aftermarket / Verified Equivalents:

• No direct aftermarket equivalent confirmed for every listed engine

🚤 Compatibility

Commonly used on:

• Volvo Penta D5 and D7 crankshaft sealing systems

Typically suits:

• Engine models:

• D5A-B TA

• D5A-T

• D5A-TA

• D7A-B TA

• D7A-T

• D7A-TA

• D7C-B TA

• D7C-TA

• TAD520 / TAD530 / TAD531 / TAD532

• TAD550 / TAD551 / TAD560 / TAD561

• TAD720 / TAD721 / TAD722

• TAD730 / TAD731 / TAD732 / TAD733 / TAD734

• TAD750 / TAD751 / TAD752 / TAD753 / TAD754

• HP Range: Engine-rating dependent

• Engine Type: Four- or six-cylinder turbocharged diesel

• Year Range: Timing-cover and engine-serial dependent

🔌 Function

Prevents engine oil from leaking where the crankshaft passes through the timing-cover area.

Common signs of failure:

• Oil leakage behind the crankshaft pulley

• Oil contamination of the drive belt

• Hardened or torn sealing lip

• Groove worn into the crankshaft sealing surface

• Falling engine-oil level

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging