For the 2012 Altima 2.5 S, Nissan uses a cartridge-style oil filter. The official Nissan part number is 15208-7S01A.
Understanding the filter in the QR25DE engine
The Altima’s 2.5-liter four-cylinder, QR25DE, uses a replaceable cartridge filter housed in an oil-filter housing. This design means you purchase a cartridge filter rather than a disposable spin-on canister. Installing the correct cartridge ensures proper oil flow, filtration efficiency, and a proper seal with the housing O-ring.
Official part numbers and compatibility
Below is a quick guide to the main options you’ll encounter when shopping for this engine's oil filter. Note that exact cross-compatibility should be confirmed with the retailer using your car's VIN or engine code.
- Nissan OEM oil filter cartridge: 15208-7S01A. Cartridge-style filter designed for the QR25DE engine and Altima’s oil-filter housing.
- Aftermarket cartridge filters: Many brands offer cartridge filters that fit QR25DE engines. Always verify the part is specified for QR25DE, 2.5L Altima, and your model year before purchasing.
- How to confirm fit: Provide the vehicle's year, make/model, and engine code (QR25DE) when shopping, and use the retailer's cross-reference tools or ask a parts specialist if you're unsure.
Concluding: The essential takeaway is that the 2012 Altima 2.5 S uses the Nissan OEM cartridge filter 15208-7S01A, with aftermarket options available as long as they are confirmed to fit the QR25DE engine and the Altima of this year.
Replacing the filter: quick guide
To replace the oil filter on a 2012 Altima 2.5 S, you’ll locate the oil-filter housing under the engine, remove the housing cap with the proper tool, extract the spent cartridge, install a new cartridge with a fresh O-ring, reassemble the housing, and refill with fresh oil. Always verify the cap O-ring seat and torque specifications as per Nissan’s service guidelines.
Steps to replace the filter
Note: Use the following steps as a general guide; refer to your service manual for exact torque specifications and procedures for your vehicle.
- Warm up the engine, then turn it off and park on a level surface. Engage the parking brake.
- Lift the front of the car and secure it with jack stands; remove the splash shield if necessary to access the oil-filter housing.
- Place an oil drain pan beneath the filter housing; remove the housing cap to release pressure and access the cartridge.
- Carefully remove the old cartridge and O-ring; wipe the housing interior clean.
- Install the new cartridge with its O-ring in the correct orientation; snug the cap and O-ring with the appropriate torque (do not over-tighten).
- Replenish engine oil to the recommended level and run the engine to check for leaks; re-check the oil level and top off as needed.
Concluding: Replacing the cartridge properly ensures continued filtration efficiency and prevents leaks; if you’re not comfortable doing it, have a professional perform the service.
Summary
The 2012 Nissan Altima 2.5 S uses a cartridge-style oil filter, with the OEM part number 15208-7S01A. Aftermarket options exist, but you should verify compatibility for the QR25DE engine and your specific model year. Replacement typically involves removing the housing cap, swapping the cartridge, and reinstalling with a fresh O-ring, followed by oil refill and leak checks.