Valve Cover Diaphragm 51mm – Volvo 2.0L | OEM 31401505 31430348 31461860 31670228

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.

• Volvo

Returns and exchanges

Request a change-of-mind return within 14 calendar days of delivery, then send the goods within 14 calendar days of notifying us. Our voluntary return option applies to unused, uninstalled, complete goods in their original condition and packaging. Exchanges are subject to availability and agreement.

The customer pays change-of-mind return shipping. No restocking fee applies. Refunds and original delivery charges are handled under our Refund & Return Policy and applicable law.

Faulty, damaged or incorrect goods

Email contact-us@klifex.net with your order details and a description of the problem. These claims are separate from change-of-mind returns. Where we are responsible, we bear the required remedy and return costs. Installation alone does not remove mandatory defect rights.

Your legal rights

Applicable statutory rights take precedence, including EU/EEA and UK withdrawal rights and legal guarantees. Necessary inspection does not remove a statutory withdrawal right; deductions for excessive handling must reflect an actual, evidenced loss of value.

Contact us for the correct return address before shipping. Our legal address is not a return address.

Read the full Refund & Return Policy