For a 2015 RX 350, there isn’t a single universal air filter part number. There are two separate filters to consider — the engine air filter and the cabin (HVAC) air filter — and the exact numbers can vary by market and revision. You’ll need to specify which filter you’re replacing and your region to obtain the precise part number.
Understanding the two air filters
The Lexus RX 350 uses a 3.5-liter V6 engine (2GR-FE) that requires an engine air filter. In addition, the vehicle’s HVAC system uses a cabin air filter. Each filter has its own part number in Lexus’ Genuine Parts catalog, and those numbers can differ from year-to-year or market-to-market.
Engine air filter
To determine the exact engine air filter part number for your vehicle, follow these steps: consult the owner's manual, search Lexus' official parts catalog, contact a dealership parts counter, or use an online parts retailer with VIN lookup. The engine filter part numbers in the Toyota/Lexus system often begin with 17801 and can be revised; if you have a VIN, a parts lookup will return the precise number.
Common ways to verify include the dealer's parts counter, official Lexus parts website, and trusted parts catalogs. Always confirm that the list you pull matches your vehicle’s year and market.
- Check official Lexus or Toyota parts catalogs by year and engine type.
- Use your vehicle identification number (VIN) for precise lookup.
- Ask a dealership parts specialist to confirm the exact part code for your region.
In practice, the engine air filter replacement tends to be an element with a runtime and cost that reflect model-year changes. If you’re ordering online, ensure the listing clearly states RX 350 2015 with the 3.5L engine.
Cabin air filter
The cabin filter for the RX 350 is separate from the engine filter. Cabin filter part numbers are different and can vary by trim and market. The method to verify remains the same: VIN-based lookup or checking the official catalog.
- Use the official Lexus Parts catalog to search for cabin air filter by year and model.
- Verify fittings for the HVAC housing to ensure compatibility (some include activated carbon options).
- Cross-check with the seller’s filter specifications to avoid misfit.
Whether replacing an engine or cabin filter, verifying the exact part number ensures proper fit and filtration performance. Always cross-check with the latest catalog to avoid ordering the wrong filter.
What to confirm before ordering
Before you buy, double-check these details to ensure you obtain the correct part number for your 2015 RX 350:
- Filter type: engine air filter vs. cabin air filter.
- Vehicle region/market (US, Canada, Europe, etc.).
- Trim level and optional features (e.g., activated carbon cabin filters).
- Engine type and year (2015 RX 350 with 3.5L V6, 2GR-FE, etc.).
- VIN-based lookup if possible for definitive results.
With these checks, you’ll be able to request the correct part number from a dealer or online retailer and avoid mismatches.
In practice, there isn’t a single universal part number for the 2015 RX 350 air filters; you’ll need to identify whether you’re replacing the engine or cabin filter and verify via official catalogs or VIN lookup. If you’d like, I can look up the exact part numbers for your region and the specific filter you need—just provide your country/region and confirm whether you mean engine or cabin filter.
Summary
The 2015 Lexus RX 350 has two separate air filters, engine and cabin. Exact part numbers vary by region and model revision, so the best path to the precise code is VIN-based lookup through Lexus’ official parts catalog or a dealership. If you share your region and specify which filter you need, I can fetch the exact part numbers for you.
How many air filters does a Lexus RX350 have?
two
There are two first air filters in your 2023 Lexus RX 350. The engine air filter is located in the engine bay and is used to filter out harmful and perilous particles that may cause damage to your vehicle's engine.
What part number is the engine air filter on a Lexus RX350?
Shop Lexus RX 350 Engine Air Filter. Air Intake Filter; AIR CLEANER. INTER - OEM Lexus Part # 17801F0050 (17801-F0050, 1780125020, 17801F0070)
What is the part number for the Lexus air filter?
Air Filter - Lexus (17801-F0050)
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.