21212198 Retainer | Genuine Volvo Penta Part

🔧 Product Description

Genuine retainer used in the cooling-water pipe assembly of Volvo Penta 31- and 41-series marine diesel engines. Two retainers are used in the documented pipe arrangement to support the connection pipes and prevent vibration fatigue.

🚤 Compatibility

• Engine Family: MD, TMD, TAMD, AD, AQAD, D, MS, BB, HS, KAMD, KAD

Full model list at the end of this description.

⚙️ Key Features

• Cooling-water pipe support
• Two retainers used in the documented assembly
• Current service reference associated with earlier retainer 847018
• Maintains pipe alignment and hose clearance
• Designed for marine cooling-system vibration
• 2 used per assembly

🔌 Function

The retainer supports the cooling-water pipes and prevents movement from damaging the pipe joints, hoses or fasteners.

⚠️ Common Signs of Failure

• Coolant pipe moving or knocking against the engine
• Coolant weeping at a pipe joint or hose end
• Chafed hose where the pipe has shifted
• Retainer found cracked, corroded or with elongated holes on removal

🛠️ Service Notes

• Two retainers are used in the documented pipe arrangement
• Supersedes 847018, which was catalogued earlier as a brace and as a coolant pipe, so an older list may not name it as a retainer

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21212198 → Supersedes 847018 → Supersedes 845356

OEM / Related Numbers

• 847018 earlier number superseded by this part
• 845356 earlier number superseded by this part
• 847017 - Companion pipe retainer; ordered separately
• 940199 - Mounting screw; ordered separately
• 21147617 - Related connection-pipe references; verify engine version
• 21147616 - Related connection-pipe references; verify engine version

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TAMD31L-A, TAMD31M, TAMD31M-A, TAMD31P, TAMD31P-A, TAMD31A, TAMD31B, TAMD31D
• Volvo Penta AD31, AD31B, AD31D, AD31D-A, AD31XD
• Volvo Penta TAMD41B, TAMD41D, TAMD41H-A, TAMD41P-A, TAMD41P
• Volvo Penta MD22, MD22A, MD22L, MD22P
• Volvo Penta TMD31A, TMD31B, TMD31D, TMD31L-A
• Volvo Penta AD41B, AD41D, AD41BJ
• Volvo Penta KAD42A, KAD42B, KAD42P-A
• Volvo Penta KAD44P, KAD44P-B, KAD44P-C
• Volvo Penta KAMD42A, KAMD42B, KAMD42P-A
• Volvo Penta KAMD43P, KAMD43P-A, KAMD43P-B
• Volvo Penta KAMD44P-B, KAMD44P-C, KAMD44P-A
• Volvo Penta TMD22A, TMD22B, TMD22P-C
• Volvo Penta TMD40A, TMD40B, TMD40C
• Volvo Penta TMD41B, TMD41D, TMD41L-A
• Volvo Penta AQAD40B, AQAD40A
• Volvo Penta D41B, D41D
• Volvo Penta TAMD40A, TAMD40B
• Volvo Penta TAMD42WJ-A, TAMD42B
• Volvo Penta AQAD30A
• Volvo Penta BB740A
• Volvo Penta HS1A
• Volvo Penta KAD300-A
• Volvo Penta KAD32P
• Volvo Penta KAD43P-A
• Volvo Penta KAMD300-A
• Volvo Penta MD30A
• Volvo Penta MD31A
• Volvo Penta MD40A
• Volvo Penta MS2B-A
• Volvo Penta MS5B
• Volvo Penta 740A
• Volvo Penta TAMD22P-B
• Volvo Penta TAMD30A
• Volvo Penta TMD30A