Volvo Penta Crankcase Ventilation Filter Insert 3584145 – D4 D6 D9 Diesel
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Volvo Penta 3584145 – Crankcase Ventilation Filter Insert
Part Number: 3584145
Brand: Volvo Penta
Type: Crankcase Ventilation Filter Insert (OEM)
System: Engine – Closed Crankcase Ventilation (CCV)
Engine Family: D4, D6, and D9 Marine Diesel
Approximate Dimensions: 88 mm diameter × 158 mm height
Weight: Approximately 0.35 kg
Related O-Ring: 3584461
The Volvo Penta 3584145 is a genuine OEM crankcase ventilation filter insert used in the closed crankcase ventilation (CCV) system on selected Volvo Penta D4, D6, and D9 marine diesel engines. The Volvo Penta maintenance catalog specifically identifies 3584145 as the crankcase ventilation filter for D4 and D6 A–F engines. It separates oil mist and contaminants from crankcase vapors before the gases are recirculated through the engine intake system.
Compatible Applications
- Volvo Penta D4-180 (A–F variants)
- Volvo Penta D4-210 (A–F variants)
- Volvo Penta D4-225 (A–F variants)
- Volvo Penta D4-260 (A–F variants)
- Additional Volvo Penta D4 A–F variants
- Numerous Volvo Penta D6 variants
- Selected Volvo Penta D9 series engines
Volvo Penta used different crankcase ventilation arrangements across engine generations. Always confirm fitment using your exact engine model designation and serial number before ordering.
Serial Number Fitment Notice
Crankcase ventilation filter fitment varies by engine generation and configuration. Confirm part number 3584145 against your engine model and serial number using the applicable Volvo Penta maintenance schedule or parts diagram before ordering.
When to Replace
- At each scheduled engine maintenance interval (per Volvo Penta maintenance schedule for your engine)
- Filter is heavily oil-saturated, visibly restricted, or contaminated
- Increased crankcase pressure or unusual crankcase breather symptoms
- Whenever the crankcase ventilation housing is opened for any reason
Installation Notes
Open the crankcase ventilation housing and remove the old filter insert. Clean the housing and sealing surfaces before fitting the new element. Inspect the associated housing O-ring — O-ring 3584461 is commonly referenced with this filter assembly — and replace it if it shows any hardening, cracking, or compression set. Reinstall the housing and verify it seals correctly before returning the engine to service.
Service Interval
Replace this filter at the Volvo Penta recommended maintenance interval for your engine. On D4 and D6 engines, the crankcase ventilation filter is a scheduled replacement item — refer to the applicable Volvo Penta maintenance schedule for your exact engine model. Replacing the filter on schedule helps maintain normal crankcase pressure and protects the intake system from oil contamination.
Related Parts
- Volvo Penta O-Ring 3584461 – housing O-ring commonly replaced with this filter insert
Technical FAQ
Q: Is this an air filter or a fuel filter?
A: Neither. Part 3584145 is a crankcase ventilation (breather) filter. It filters oil mist from crankcase vapors as part of the closed crankcase ventilation system — it is not part of the intake air filtration or fuel system.
Q: How often should I replace this filter?
A: Refer to the Volvo Penta maintenance schedule for your specific engine model and serial number. On D4 and D6 engines, this is a scheduled maintenance item with a defined replacement interval. If the engine is operated in high-load or oil-heavy conditions, inspect it more frequently.
Q: Should I replace the O-ring at the same time?
A: Yes. The housing O-ring (3584461) should be inspected whenever the housing is opened, and replaced if there is any sign of hardening or wear. Replacing both the filter insert and the O-ring at the same time is the recommended practice.
Q: Can I clean and reuse this filter insert?
A: No. This is a replacement filter insert — it is not designed for cleaning and reuse. Replace with a new OEM insert at each service interval.
Parts Desk Insights
The crankcase ventilation filter is a routine maintenance item on D4 and D6 engines, but it’s frequently overlooked because it doesn’t have an obvious failure symptom until the system becomes restricted. Customers replacing it for the first time are often surprised it exists — it’s worth pointing out during any D4 or D6 maintenance enquiry.
The most common issue is customers confusing this with an intake air filter or ordering the wrong generation filter because they didn’t verify the engine serial number. Matching the engine A–F generation designation is important here — the filter housing and insert can differ between engine series.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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