Description
Part Number: AF171-20
Aeroflow M20 Aluminium Crush Washers (10 Pack)
High-grade 20mm ID metric aluminium sealing washers designed for high-performance motorsport fluid systems and leak-free reliability.
Key Features
- ☑ Metric M20 Fitment: Precision 20mm inner diameter designed specifically for M20 metric threads, fittings, and oil sump plugs.
- ☑ Premium Aluminium Alloy: Engineered from soft-annealed alloy that crushes predictably under torque to create a tight, leak-proof seal.
- ☑ 0.95mm Wall Thickness: Optimal 0.95mm (1/32″) thickness allows ideal deformation without compromising thread engagement.
- ☑ Convenient 10-Pack: Supplied as a handy 10-piece pack, ensuring you always have spare seals ready for maintenance and routine servicing.
- ☑ Multi-Fluid Compatible: Suitable for oil, coolant, fuel, and hydraulic fluid systems in high-demand competition vehicles.
Technical Specifications
| Brand | Aeroflow Performance |
|---|---|
| Manufacturer Part Number | AF171-20 |
| Thread / Size | Metric M20 |
| Inner Diameter (I.D.) | 20mm |
| Thickness | 0.95mm (1/32″) |
| Material | Aluminium / Alloy |
| Quantity | 10 Pack |
What’s Included in the Box
- 10 x Aeroflow M20 Aluminium Crush Washers (PN: AF171-20)
Engineered to the rigorous quality standards expected from Aeroflow Performance, these M20 alloy crush washers provide an essential seal for race engine builders, professional workshops, and track day enthusiasts. Order today from JP Racing for guaranteed authenticity, dedicated UK technical support, and fast dispatch directly to your pit garage.







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