861657 Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta cooling system housing weighing 3.674 kg and listed for 29 applications across TAMD, AD, KAD and KAMD series engines. It supersedes part number 861656.

🚤 Compatibility

• Engine Family: TAMD, AD, KAD, KAMD

Full model list at the end of this description.

⚙️ Key Features

• 3.674 kg
• 29 applications across TAMD, AD, KAD and KAMD engines
• Supersedes 861656
• Also supersedes Volvo part numbers 838823 and 858948

🔌 Function

Encloses and carries a cooling system assembly, providing the passages and mounting faces it runs in.

⚠️ Common Signs of Failure

• Coolant or sea water weeping at a joint face or from the housing itself
• Coolant level falling with staining down the housing
• Housing corroded, pitted or wasted through at the water passages
• Crack at a bolt boss or a mounting face
• Mating face distorted, so a new gasket still weeps

🛠️ Service Notes

• Renew all the gaskets and seals at the housing's joints while it is off
• Check the mating faces for corrosion and distortion, then refill and pressure-test the system before running up

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 861657 → Supersedes 861656 → Supersedes 859354 → Supersedes 859199

OEM / Related Numbers

• 861656 earlier number superseded by this part
• 859354 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TAMD31L-A, TAMD31M-A, TAMD31P, TAMD31P-A, TAMD31S
• Volvo Penta KAD44P, KAD44P-B, KAD44P-C
• Volvo Penta KAMD43P, KAMD43P-A, KAMD43P-B
• Volvo Penta KAMD44P-B, KAMD44P-C, KAMD44P-A
• Volvo Penta TAMD41H-A, TAMD41H-B, TAMD41P-A
• Volvo Penta AD31L-A, AD31P-A
• Volvo Penta AD41L-A, AD41P-A
• Volvo Penta KAD43P-B, KAD43P-A
• Volvo Penta KAD300-A
• Volvo Penta KAD32P
• Volvo Penta KAD42P-A
• Volvo Penta KAMD300-A
• Volvo Penta KAMD42P-A
• Volvo Penta TAMD42WJ-A