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Aeroflow AF59-4500 Bypass Regulator Replacement Diaphragm, Spring 49-4500/4501
Replacement Fuel Pressure Regulator Diaphragm
Includes Spring, Suit Previous Design AF49-4500 & 4501
Replacement Diaphragm and Spring Kit.
This diaphragm and spring kit suits the Aeroflow Performance Bypass fuel pump regulators, part number AF49-4500 and AF49-4501.
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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