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Aeroflow AF59-4000 Replacement Diaphragm With High And Low Pressure Springs
Replacement Fuel Pressure Regulator Diaphragm
Includes High & Low pressure springs, Suit AF49-3000 & 4000 series regulators
Replacement Fuel Regulator Diaphragm.
Diaphragm to suit Aeroflow Performance Billet 2 port Carb Regulator. Includes high and low pressure springs. Suits part numbers AF49-3000, AF49-3001, AF49-4000 and AF49-4001.
Shipping Information
Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.
The Kren Bits journey:
- Order received — Day 0
- With fulfilment — Day 1–2
- Heading to courier — Day 2–4
- Shipped — Day 3–7
- Almost there — Day 5–10
- Delivered — Day 5–14
Where your part ships from:
Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.
We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.
For more details, visit our Track Your Order page.
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