Lexus Rx300 A/C refrigerant type and capacity
GarageDex's A/C data shows the 2003 Lexus Rx300 (6 Cyl. 3.0 Eng.) uses 21 oz of R-134a refrigerant with PAG-46 compressor oil.
Shop R-134a Match the type on your under-hood decal
Key takeaways
- 2003 Lexus Rx300: 21 oz of R-134a, 6.91 oz of PAG-46 oil.
- 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 |
|---|---|---|---|---|
| 2003 | 6 Cyl. 3.0 Eng. | R-134a | 21 oz | PAG-46 6.91 oz |
| 2002 | 6 Cyl. 3.0 Eng. | R-134a | 21 oz | PAG-46 4.8 oz |
| 1999 to 2001 | All Eng. | R-134a | 21 oz | PAG-46 4.8 oz |
Recharge supplies for your Lexus Rx300
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
Ct200Es300Es330Es350Gs200Gs300Gs350Gs400Gs430Gs450Gs460Gx460Gx470Hs250Is FIs200Is250Is300Is350Lc500Ls400Ls430Ls460Ls600
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.