Lexus Rx450 A/C refrigerant type and capacity
GarageDex's A/C data shows the 2018 Lexus Rx450 (6 Cyl. 3.5 Eng. RX450h; Gas/Electric) uses 21.12 oz of R-134a refrigerant with PAG-46 compressor oil.
Shop R-134a Match the type on your under-hood decal
Key takeaways
- 2018 Lexus Rx450: 21.12 oz of R-134a, PAG-46 oil, see the under-hood decal for the rest.
- The charge is a full-system amount; a top-off adds far less.
- Do not mix refrigerant types or oils.
- A system that is empty has a leak - fix it before charging.
| Years | Engine | Refrigerant | Charge | Compressor oil |
|---|---|---|---|---|
| 2018 | 6 Cyl. 3.5 Eng. RX450h; Gas/Electric | R-134a | 21.12 oz | PAG-46 |
| 2015 | 6 Cyl. 3.5 Eng. | R-134a | 22.9 oz | See decal |
| 2014 | 6 Cyl. 3.5 Eng. | R-134a | 22.8 oz | - |
| 2014 | 6 Cyl. 3.5 Eng. RX450h; Gas/Electric | R-134a | 21.12 oz | PAG-46 4.6 oz |
| 2013 | 6 Cyl. 3.5 Eng.; HYBRID | R-134a | 23 oz | See decal |
| 2012 | 6 Cyl. 3.5 Eng.; HYBRID | R-134a | 21 oz | - |
| 2010 to 2011 | 6 Cyl. 3.5 Eng.; HYBRID | R-134a | 21 oz | - |
Recharge supplies for your Lexus Rx450
Buy the refrigerant type shown for your year and confirm it against the under-hood decal. R-1234yf cans cost more and need a matching coupler.
R-134aR-134a recharge can with a gaugeShop cans Manifold gauge setReads high and low side pressure properlyShop gauges Leak detection kitFind the leak before you spend on refrigerantShop kits
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Other Lexus models
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Source: Four Seasons - Compressor / System Refrigerant & Lubricant Specs. The under-hood A/C decal is the primary source for your exact car - it overrides any table. Charges assume a clean system with a new drier.