2021 Lexus ES300h cabin air filter: Sizes & Replacement Parts
Catalog-backed cabin air filter part numbers for the 2021 Lexus ES300h include WIX WP10320 / Purolator TC21471C. Confirm the final part number in the retailer selector before checkout.
Looking for the engine air filter instead? 2021 Lexus ES300h engine air filter →
Cabin filter details
Checked catalogs did not specify the filter access location. On most vehicles, the cabin air filter is accessed behind or under the glove box on the passenger side. Check your owner's manual for the exact access procedure.
Most cabin air filter manufacturers recommend replacing every 12,000–15,000 miles or once a year under normal driving conditions. High-dust or high-pollution environments may require more frequent changes. Confirm the exact interval in your owner's manual — this is general industry guidance, not a vehicle-specific specification.
Cabin air filter part numbers
| Part number | Brand | Filter type | Source | Shop |
|---|---|---|---|---|
| WP10320 Top Pick | WIX | Basic | WIX Filters | Check Fit on Amazon |
| WP10322 | WIX | Basic | WIX Filters | Check Fit on Amazon |
| TC21471C | Purolator | Carbon | Purolator Now | Check Fit on Amazon |
| C21471C | Purolator | Carbon | Purolator Now | Check Fit on Amazon |
| 6087C | Bosch | HEPA | Bosch Auto Parts | Check Fit on Amazon |
| C4013WS | Bosch | HEPA | Bosch Auto Parts | Check Fit on Amazon |
Cabin filter type options
The current catalog data separates the listed part numbers by filter type. Pick the type you want, then confirm the exact part number in the retailer selector for 2021 Lexus ES300h.
| Filter type | Listed part numbers |
|---|---|
| Basic | WIX WP10320, WIX WP10322 |
| Carbon | Purolator TC21471C, Purolator C21471C |
| HEPA | Bosch 6087C, Bosch C4013WS |
Fitment scope and limits
Cabin air filter fitment is tracked at the year, make, and model level because the cabin filter sits in the HVAC system rather than the engine intake path.
The checked catalogs did not provide source-backed cabin filter location or replacement interval for this exact record, so this page does not publish those fields.
Catalogs can list more than one part number for the same vehicle. Use this page to compare the listed numbers, then use the seller's vehicle selector before ordering.
Source notes
Listed in 3 catalogs. These part numbers come from filter manufacturer catalogs. Use the source trail below to see which catalog supported this page.
| Source | Role | Supports | Checked |
|---|---|---|---|
| WIX Filters | Primary | Filter part number | 2026-06-26 |
| Purolator Now | Corroboration | Filter part number | 2026-06-26 |
| Bosch Auto Parts | Corroboration | Filter part number | 2026-06-26 |
Checked catalogs: WIX Filters, Purolator Now, Bosch Auto Parts. Filter location and replacement interval are not listed unless a source provides them for this exact vehicle.
2021 Lexus ES300h maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter WIX WP10320 / Purolator TC21471C Checked
- Engine air filter 2021 Lexus ES300h engine filter part numbers
- Wiper blade size 2021 Lexus ES300h driver & passenger blade sizes
- Oil type & capacity 2021 Lexus ES300h oil viscosity & fill amount
Before you buy
Walmart
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Check Fit on AutoZoneO'Reilly
Use O'Reilly's vehicle selector for the 2021 Lexus ES300h before checkout.
Check Fit on O'ReillyQuestions this page answers
Which 2021 Lexus ES300h cabin air filter part numbers are listed?
The current catalog-backed list includes WIX WP10320, WIX WP10322, Purolator TC21471C, Purolator C21471C, Bosch 6087C, Bosch C4013WS. The table above keeps each part number tied to the catalog source that listed it.
Is the 2021 Lexus ES300h cabin air filter engine-specific?
Cabin air filter fitment is tracked at the year, make, and model level because the cabin filter sits in the HVAC system rather than the engine intake path.
Does this page confirm location or replacement interval?
The checked catalogs did not provide source-backed cabin filter location or replacement interval for this exact record, so this page does not publish those fields.
General industry guidance (not vehicle-specific): Most cabin air filter manufacturers recommend replacing every 12,000–15,000 miles or once a year under normal driving conditions. High-dust or high-pollution environments may require more frequent changes. Confirm the exact interval in your owner's manual — this is general industry guidance, not a vehicle-specific specification.
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All Lexus ES300h years with checked data:
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