For most 2009 Civics equipped with the 1.8-liter engine, the oil filter is Honda Genuine Oil Filter part number 15400-PLM-A02. If your car uses a different engine or market variant, verify the exact part number with your VIN or owner’s manual.
Context: engine options in the 2009 Civic
The 2009 Honda Civic lineup included two main engine options: the 1.8L inline-four (R18A1) in most non-Si trims and the 2.0L inline-four (K20Z3) used in the Civic Si. This article focuses on the widely used 1.8L configuration, which covers the majority of 2009 Civics on the road.
Primary oil-filter option for the 1.8L Civic
The Honda Genuine Oil Filter designed for the 1.8L R18A1 engine is commonly listed as 15400-PLM-A02. This filter is intended to work with the recommended engine oil grades and should be installed with a new O-ring seal during a change.
- 15400-PLM-A02 — Honda Genuine Oil Filter (fits 2006–2011 Civics with 1.8L engine, R18A1).
Note: If your Civic is the Si or has the 2.0L engine (K-series), verify the exact filter number in your owner's manual or via a reputable parts retailer using your VIN. The Si may use a different filter in some markets.
Aftermarket compatibility and verification
While many aftermarket filters are marketed as compatible with the 2009 Civic’s oil system, it is essential to verify compatibility by year, engine code, and thread size. Choose filters from reputable brands and ensure you replace the O-ring seal as part of the service.
Before listing aftermarket options, the following brands are commonly cited as compatible with the Civic 1.8L, but always confirm the exact part number for your VIN: Fram, Bosch, Purolator, Mann, and Wix.
- Fram, Bosch, Purolator, Mann, Wix — verify specific part numbers for your VIN and engine code.
Concluding: If you are unsure, source the OEM filter 15400-PLM-A02 or use a trusted retailer to pull the exact number from your VIN to ensure proper fitment.
How to verify the correct filter for your car
- Identify your engine code (R18A1 for the 1.8L) or obtain the VIN.
- Consult the owner's manual or maintenance schedule for the recommended part number.
- Contact a Honda dealer or use an official parts catalog with your VIN to confirm the exact filter.
Using the correct filter helps ensure optimal filtration and engine protection, particularly when using modern low-viscosity oils.
Summary
The typical answer for a 2009 Civic with the 1.8L engine is Honda Genuine Oil Filter 15400-PLM-A02. If your car has a Si or a different engine variant, verify the exact part number via your VIN or owner’s manual. Always replace the filter with a new O-ring and follow the service manual’s torque specifications.