Mazda Protege5 A/C refrigerant type and capacity
GarageDex's A/C data shows the 2003 Mazda Protege5 (4 Cyl. 2.0 Eng.) uses 19 oz of R-134a refrigerant with PAG-46 compressor oil.
Shop R-134a Match the type on your under-hood decal
Key takeaways
- 2003 Mazda Protege5: 19 oz of R-134a, 5.07 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 | 4 Cyl. 2.0 Eng. | R-134a | 19 oz | PAG-46 5.07 oz |
| 2002 | All Eng. | R-134a | 18.5 oz | PAG-46 5 oz |
Recharge supplies for your Mazda Protege5
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
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Other Mazda models
Cx-3Cx-5Cx-7Cx-9Mazda 2Mazda 3Mazda 5Mazda 6MiataMilleniaMpvMx-3Mx-5Mx-6PickupProtegeRx-7Rx-8Tribute
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.