A/C Line O-Ring - Rein 3537503

Ensure a leak-free air conditioning system with the **Rein A/C Line O-Ring**, part number **CRP-ACR0025R**. This high-quality O-ring, also identified by OE part number **3537503**, is engineered to create a robust seal in your vehicle's A/C lines, preventing refrigerant loss and maintaining optimal cooling performance.

Sized at 1/2 inch and compatible with both R12 and R134a refrigerants, this yellow O-ring offers versatile application across a wide range of BMW and Volvo models. It serves as a reliable replacement for a crucial sealing component, fitting various BMW 3-series, 5-series, 6-series, 7-series, 8-series, M-series, X5, and Z3/Z8 models, as well as numerous Volvo 200-series, 700-series, 900-series, S90, V90, C70, V70, and XC90 vehicles, spanning model years from 1975 to 2006. Restore efficient cooling and prevent costly refrigerant leaks with this essential A/C O-ring.