Always apply a fresh layer of high-quality engine oil to the gasket before threading the filter onto the engine. OEM Specifications and Part Numbers Factory Original Equipment For the 2013 model year, Ford utilized specific part numbers to ensure compatibility with the unique tolerances of the new generation Focus.
2013 Ford Focus Oil Filter Specifications and OEM Part Numbers
This prevents dry starts and ensures a smooth seating surface. Regularly checking the oil level and inspecting the filter for external leaks during routine services can prevent sudden engine failure.
When selecting an aftermarket unit, verify that it meets the ISO 4548 specification to ensure it meets the rigorous standards required for modern engines. Synthetic Blend Filters: Offer increased dirt-holding capacity and improved cold-flow properties, reducing the stress on the oil pump during startup.
2013 Ford Focus Oil Filter Specifications and OEM Part Numbers
Sticking to the OEM designation guarantees the correct gasket size, bypass valve operation, and media pleating for your specific trim level, whether it be the base S, the performance-oriented ST, or the efficiency-focused SE. Common OEM Part Number Filter Diameter Height W8143SZ 3-3/8 inches 3-5/8 inches W8143SZA 3-3/8 inches 3-5/8 inches Aftermarket Options and Performance Upgrades While the OEM filter is reliable, many enthusiasts opt for aftermarket brands to achieve superior filtration or easier installation.
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