The CSF Universal Dual-Pass Oil Cooler (RS Style) is a long rectangular bar-and-plate cooler designed for direct front-mount-center fitment on Porsche 911/930 models up to 1989 with IROC-style or similar bumpers, and for universal use elsewhere. It features 10 rows of high-pressure cooling with same-side M22 x 1.5 female fittings (15-degree angle for bumper clearance) and rugged construction that resists burst pressure, vibration, and debris. Use with M30 / -16AN / -12AN union adapters.
| Type | Universal dual-pass oil cooler (RS / Porsche front-center style) |
| Core | 10-row high-pressure bar and plate |
| Connections | M22 x 1.5 female, same side (15-degree angle); M30 / -16AN / -12AN adapters |
| Dimensions | 24in L x 5.75in H x 2.25in W (core 21.5in L x 5.75in H x 2.25in W) |
| Fluid Capacity | 0.89L (0.94 qt) |
| Fitment | Universal |
| Warranty | CSF Limited Warranty |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
