2021 Hyundai Ioniq Plug-In Hybrid Oil Filter in Peoria, AZ

Yes—the oil filter is replaced with the oil so full filtration capacity is restored each service.

As a filter loads with debris, its bypass valve can open to keep oil flowing, but that oil is no longer filtered. Pairing a fresh filter with new oil prevents unfiltered circulation after service. Follow the manufacturer’s schedule and your driving conditions to determine timing.

• Restores debris-holding capacity
• Reduces risk of bypassing unfiltered oil
• Matches the service to actual driving conditions

The old filter is removed, a new matched filter is installed, sealing surfaces are renewed, and the system is leak-checked after start-up.

This happens as part of an oil and filter service using the oil grade the manufacturer specifies for this engine. The technician confirms oil pressure, rechecks the level after warm-up, and inspects the filter and drain areas for any seep. It’s a complete, methodical process.

• New filter that matches this engine
• Gasket and drain sealing surfaces addressed
• Post-service leak check and level verification

The filter can load with debris, trigger bypass, and circulate unfiltered oil that quietly accelerates engine wear.

Bypass ensures oil still flows, but filtration is the protection you lose. Over time, grit and varnish can build in tight passages and affect smooth operation. Replacing the filter with the oil prevents this compromised state and keeps protection consistent service to service.

• Bypass = flow without filtration
• Increased wear over thousands of miles
• Higher risk in heat and stop-and-go use

Yes—the filter is matched to this 1.6-liter, 4-cylinder engine, and filters are not interchangeable across engines.

Fit, sealing, and internal flow characteristics must align with the engine’s design. Using a mismatched filter can compromise filtration or sealing and may trigger bypass prematurely. Your service advisor will install a filter that matches this engine without naming a part number or specification.

• Correct fit and gasket sealing
• Proper flow and debris capacity
• Designed for the 1.6L inline-4 layout

It can be done, but it’s not recommended because a partially loaded filter can force bypass and circulate unfiltered oil.

Changing oil only leaves the used filter’s limited debris capacity in place. Under heat or higher load, that filter may reach its limit sooner, undermining the benefit of fresh oil. Replacing both together keeps filtration and lubrication protection aligned.

• Fresh oil deserves fresh filtration
• Reduces risk of unfiltered circulation
• Keeps service intervals synchronized

Use our online portal to schedule service or call the store; both options secure your appointment quickly.

Online scheduling lets you choose a time and note concerns in advance, and you can review service specials before you confirm. If you prefer to talk, call {{rooftop.phone}} and a coordinator will assist.

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