Valve Cover Diaphragm 51mm – 1.6 HDi / 1.6D / 1.6 TDCi | OEM 0248L1 1479837 31259241 30711484
A failed 51mm valve cover diaphragm causes oil leaks and crankcase fault codes across Citroen, Peugeot, Ford, Volvo, MINI, Mazda, and Suzuki 1.6 diesel platforms. Direct replacement for valve covers using OEM 0248L1, 1479837, 1690275, 31259241, 30711484, 3M5Q-6K271-AC, Y60110210B, and others. 0248L1, 1479837, 1690275, 31259241, 30711484, 3M5Q-6K271-AC, Y60110210B, Y60110210A, 993760, 11127804877
Fits OEM #1479837.
When to Inspect This Part
- mixture faults or an intake air leak
- rough or unstable idle
- increased oil consumption
- whistling or excessive crankcase vacuum
What's Included
- 1 × Valve Cover Diaphragm 51mm
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Citroen Berlingo (NEW) (B9) 2008>
- Citroen Berlingo(FIRST) (M59) 2002-2012
- Citroen C2 2003-2008
- Citroen C3 2002-2009
- Citroen C4 2005-2011
- Citroen C4 Grand Picasso 2006-2014
- Citroen C4 Picasso 2006-2014
- Citroen C5 2008>
- Citroen C5 2004-2008
- Citroen Jumpy 2007-2016
- Citroen Xsara Picasso 1999-2010
- PEUGEOT: 1007, 206, 207, 307, 308, 407, EXPERT, PARTNER
- FORD C-MAX 2003-2010
- FORD Fiesta VI 2008>
- FORD Focus II 2005-2008
- FORD Focus II 2008-2011
- FORD Fusion
- MAZDA 3 (BK) 2003 - 2009
- MINI COOPER R56
- Fiat NUOVO SCUDO
- VOLVO C30 (2007 - 2011)
- VOLVO V50 (2005 - 2012)
- VOLVO V70 ( 2009 - )
- VOLVO S80 (2009 - 2012)
Part Number / PN
1479837, 31259241, 30711484, 0248L1, 1690275, 3M5Q-6K271-AC, 993760, Y60110210B, Y60110210A, 11127804877, 9651815680, 9660281080
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 1479837 is the primary fitment check.
FAQ
How do I confirm fitment for this Valve Cover Diaphragm 51mm?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 1479837. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Valve Cover Diaphragm 51mm?
Confirmed symptoms include mixture faults or an intake air leak, rough or unstable idle, increased oil consumption, whistling or excessive crankcase vacuum. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Valve Cover Diaphragm 51mm?
The confirmed kit contents are: 1 × Valve Cover Diaphragm 51mm.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
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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