21346294 Valve Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve housing used in a specified engine cooling-system assembly. The machined housing supports the regulating valve, spring, seals or thermostat-style components that direct coolant through the required circuit. It must be matched to the complete valve assembly and engine serial because internal bore and port arrangements can differ.

⚙️ Key Features

• Genuine Volvo Penta cooling-system valve housing
• Machined passages for coolant-control components
• Supports the assigned valve, spring and seals
• Maintains pressure and flow routing
• Match internal components and engine serial number
• Engine type: Volvo Penta marine or industrial diesel engine

🔌 Function

Houses and locates the cooling-system control valve so coolant is directed or regulated according to temperature and pressure.

⚠️ Common Signs of Failure

• Pressure or flow outside specification
• Leakage through the valve body or connections
• Valve sticking open or closed
• Repeated alarms or unstable system operation
• Corrosion, contamination or damaged sealing surfaces

🛠️ Service Notes

• Note how the housing sits and how its connections run before removal, and keep any shims, springs and internal parts in order for reassembly
• Clean the mating faces and ports without letting debris into the passages — wipe or blow out rather than scraping into the bore
• Renew all gaskets, O-rings and sealing washers at the joints, lightly lubricated so they seat without nipping
• Check that any spool, plunger or valve moves freely through its full travel by hand before the housing is closed up and fitted
• Tighten fixings and unions evenly to the workshop manual figures for your engine, then check function and leak-check with the system under pressure

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21346294 → Supersedes 21222273

OEM / Related Numbers

• 21222273 earlier number superseded by this part

📦 Condition

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