The engine air filter for a Lexus RX 350 typically costs about $20–$40, while the cabin air filter usually runs around $25–$50. Prices vary by filter type, year, and whether you buy OEM or aftermarket parts, plus any optional labor if you have a shop install it.
The RX 350 uses two different filtration components: an engine air filter in the intake tract and a cabin air filter for the HVAC system. Replacement intervals commonly range from 30,000 to 40,000 miles for the engine filter and 15,000 to 30,000 miles for the cabin filter, though driving conditions (dusty roads, urban pollution, etc.) can shorten those intervals. Costs will differ based on brand, whether you choose OEM or aftermarket, and the retailer or service provider.
Engine air filter options
Price ranges and brands
Below is a quick look at typical price ranges by type of engine air filter you might encounter for the RX 350.
- OEM/Lexus Toyota engine air filter: typically $20–$40. Available through the dealership or Toyota/Lexus parts retailers.
- Standard aftermarket engine air filters (Bosch, Fram, ACDelco, etc.): usually $15–$30.
- Premium aftermarket or performance filters (K&N, etc.), including washable types: generally $40–$60.
Prices vary by model year and retailer. If you’re shopping online, always verify compatibility with your RX 350’s year and engine code to ensure a proper fit.
Cabin air filter options
Price ranges and brands
Here are common cabin filter choices and their typical price ranges for the RX 350.
- OEM cabin air filter: usually $25–$50.
- Aftermarket cabin filters with activated carbon: commonly $15–$40.
- Premium cabin filters (double carbon, allergen-reducing, or higher-efficiency variants): about $40–$70.
As with engine filters, prices depend on year, retailer, and whether the filter is a basic or carbon-enhanced design.
Where to buy and how much you can expect to pay
Shopping options influence price, availability, and convenience. The following listings summarize typical costs across common buying channels.
- Lexus/Toyota dealership parts counter: engine filter typically $20–$40; cabin filter typically $35–$60. Labor may apply if you request installation.
- Auto parts stores (AutoZone, Advance Auto Parts, O'Reilly): engine filter generally $15–$30; cabin filter around $20–$50. Some locations offer free installation for basic filters.
- Online retailers and marketplace sites (RockAuto, Amazon, etc.): engine filter $12–$40; cabin filter $12–$50, depending on brand and shipping costs.
- Independent shops or quick-lube centers: price ranges vary, but combined parts and labor for a basic replacement can be around $50–$120 depending on the filter type and local labor rates.
To get the best value, compare several sources and confirm compatibility with your RX 350’s model year and engine. If in doubt, bring your current filter or part number to the retailer or mechanic to verify fit.
Summary
For a Lexus RX 350, expect engine air filters to cost roughly $20–$40 and cabin air filters about $25–$50, with higher prices for carbon- or premium-designed variants. Shopping around among dealership, auto parts stores, and online retailers can yield the best price. Always verify the filter type (engine vs cabin) and the exact year/model compatibility to ensure a proper fit and performance.
What is the best selling Lexus SUV?
2026 Lexus RX
The 2026 Lexus RX continues to be one of the top-selling luxury SUVs in the United States for excellent reasons, including its quiet cabin, plush interior, and ample standard equipment.
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How much does it cost to replace the air filter in a Lexus RX350?
The average cost for a Lexus RX350 Air Filter Replacement is between $72 and $92. Labor costs are estimated between $43 and $63 while parts are typically priced around $29.
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What is the most common problem with Lexus RX 350?
Oil leaks. A significant issue plaguing early Lexus RX 350 models was oil leaks from the engine, causing maintenance challenges and expensive repairs and even leading to a replacement engine. Due to these leaks, many owners had to pay for engine sealants or repairs.
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How often should I change my Lexus RX350 engine air filter?
Your Lexus RX 350 service manual states you should replace your engine air filter & cabin air filter every 10,000 miles in extreme conditions and every 15,000-30,000 miles in prudent driving conditions. It's important to have your filters checked every time you take your vehicle in for an oil change.
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