


🛠️ Keep your GM running cooler, longer — the cap that means business!
The ACDelco GM Original Equipment RC111 Radiator Cap is a precision-engineered, stainless steel component designed to maintain 18 P.S.I. pressure in your GM vehicle’s cooling system. It raises the boiling point of engine coolant, enhancing efficiency and preventing overheating. Compatible with most GM models, this OEM part guarantees durability, reliability, and seamless fitment, ensuring your engine stays protected and performs at its best.





| Manufacturer | ACDelco |
| Brand | ACDelco |
| Product Dimensions | 6.35 x 6.1 x 3.81 cm; 63.5 g |
| Item model number | RC111 |
| Exterior | Stainless Steel |
| Manufacturer part number | 15293434 |
| OEM Part Number | 15293434 |
| Item Weight | 63.5 g |
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