31430348 Valve Cover Diaphragm 51mm for Volvo 2.0L Drive-E
This 51mm valve cover diaphragm is designed for Volvo 2.0L Drive-E petrol and diesel applications using compatible valve covers referenced as 31430348, 31401505, 31461860 and 31670228.
This product is an individual 51mm replacement valve cover diaphragm. The package contains one diaphragm and does not include the complete valve cover or surrounding PCV assembly.
OEM / Reference Numbers
- 31430348 — primary fitment reference
- 31401505 — compatible valve cover / P/N reference
- 31461860 — compatible valve cover / P/N reference
- 31670228 — compatible valve cover / P/N reference
- 32213460 — additional part number listed on the product page
Part Type
- Valve cover diaphragm
- PCV / crankcase ventilation diaphragm
- 51mm replacement membrane
- Individual replacement component
- Not a complete valve cover assembly
What This Part Does
The diaphragm forms part of the crankcase ventilation system integrated into the compatible valve cover. When the diaphragm fails, crankcase pressure and vacuum regulation can be disturbed, leading to intake air leaks, unstable idle, oil consumption and other PCV-related symptoms.
Compatible Vehicles
- Volvo XC60 — 2.0L Drive-E petrol / diesel
- Volvo XC90 — 2.0L Drive-E petrol / diesel
- Volvo V60 — 2.0L Drive-E petrol / diesel
- Volvo V90 — 2.0L Drive-E petrol / diesel
- Volvo S60 — 2.0L Drive-E petrol / diesel
- Volvo S90 — 2.0L Drive-E petrol / diesel
- Volvo XC70 — additional confirmed fitment listed on the product page
- Volvo S80 — additional confirmed fitment listed on the product page
Engine / Technical Details
- Vehicle brand: Volvo
- Engine context: 2.0L
- Engine family context: Drive-E
- Fuel type context: petrol / diesel
- Diaphragm diameter: 51mm
- Package contents: 1 × Valve Cover Diaphragm 51mm
- Primary fitment reference: 31430348
Common Symptoms of Diaphragm Failure
- Oil leaks
- Crankcase fault codes
- Mixture faults or intake air leak
- Rough or unstable idle
- Increased oil consumption
- Whistling
- Excessive crankcase vacuum
Why Choose This Replacement Diaphragm
- Allows replacement of the individual 51mm diaphragm without replacing the complete valve cover
- Designed for compatible Volvo 2.0L Drive-E applications
- Supports the valve cover references listed on the product page
- Package contains one replacement 51mm diaphragm
Important Before Ordering
- Use 31430348 as the primary fitment reference where applicable.
- Compare every available OEM / P/N marking with the installed valve cover.
- Confirm that the required diaphragm diameter is 51mm.
- Compare the physical design, dimensions and connectors with the installed component.
- Do not select the diaphragm by vehicle model alone.
- This product includes one diaphragm and not the complete surrounding valve cover assembly.
- The product page does not specify an exact engine code or diaphragm material.
What does reference 31430348 fit?
31430348 is the primary fitment reference for this 51mm valve cover diaphragm. The product page lists compatible Volvo 2.0L applications including XC60, XC90, V60, V90, S60, S90, XC70 and S80.
Are 31401505, 31461860 and 31670228 related to 31430348?
Yes. The product page lists these numbers together as compatible valve cover / part references for the 51mm replacement diaphragm.
What size is the Volvo valve cover diaphragm?
The confirmed diaphragm diameter is 51mm.
What symptoms can indicate a failed Volvo valve cover diaphragm?
Confirmed symptoms include oil leaks, crankcase fault codes, mixture or intake air leak faults, rough or unstable idle, increased oil consumption, whistling and excessive crankcase vacuum.
Is this a complete Volvo valve cover?
No. The package contains one 51mm replacement diaphragm and does not include the complete valve cover assembly.
How do I confirm compatibility before ordering?
Compare OEM / P/N 31430348 or another listed reference, verify the 51mm diaphragm size, and compare the physical design and dimensions with the installed part. Do not select by vehicle model alone.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings