Description
Keep your PTFE fuel line connections leak-free and performing at their best with the Aeroquip #4 Brass Replacement Sleeve (FCM3721). Engineered for precision fitment, these compression ferrules ensure a rock-solid seal every time — exactly what you’d expect from a trusted name like Aeroquip. Whether you’re doing a full build or just maintaining your existing lines, having these on hand is a no-brainer.
- Part Number: FCM3721
- Size: #4 AN (4 AN)
- Material: Brass
- Type: Compression ferrule
- Compatible with: PTFE fittings
- Quantity: Set of 5
- Brand: Aeroquip
Stocking up on quality replacement sleeves like these means less downtime and more confidence in every connection. Grab a set today and keep your fuel system running exactly the way it should.






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