Description
Part Number: AF178-04
Aeroflow -4AN Viton Rubber O-Rings (10 Pack)
High-performance Viton elastomer replacement seals engineered for -4AN hose ends and adapters in motorsport fuel, oil, and fluid systems.
Key Features
- ☑ Premium Viton synthetic elastomer material for maximum chemical and thermal durability
- ☑ Precision sizing for -4AN fittings: 9mm (23/64″) Inside Diameter, 13mm (1/2″) Outside Diameter
- ☑ Fully compatible with unleaded petrol, E85, methanol, race fuels, synthetic oils, and coolants
- ☑ Exceptional resistance to hardening, ozone, high operating temperatures, and fuel degradation
- ☑ Convenient 10-piece pack ideal for workshop restocking and trackside plumbing maintenance
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Manufacturer Part Number | AF178-04 |
| Fitting / AN Size | -4AN |
| Inside Diameter (I.D.) | 9mm (23/64″) |
| Outside Diameter (O.D.) | 13mm (1/2″) |
| Material | Viton Synthetic Rubber (FKM) |
| Fluid Compatibility | Unleaded Petrol, E85, Methanol, Oils, Hydraulics, Coolants |
| Package Quantity | 10 Pack |
What’s Included in the Box
- 10 x Aeroflow -4AN Viton Rubber O-Rings (AF178-04)
Engineered to withstand harsh motorsport conditions, Aeroflow Performance O-rings provide crucial leak-free sealing for high-pressure fluid lines. Stock up with confidence from JP Racing for rapid UK dispatch, competitive pricing, and dedicated technical assistance.







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