MK4 - Replacement Regulator Diaphragm and Seat Assembly (MKIV)
MK4 - Replacement Regulator Diaphragm and Seat Assembly (MKIV) is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
Free Shipping Australia Wide when you spend $300 or more, otherwise it's $14 flat rate.
We have fourΒ warehouses inΒ Brisbane, Sydney,Β Melbourne andΒ Launceston. Your order might ship from any ofΒ these warehouse, or from a combination of these warehouses as different stock is locatedΒ in different warehouses. For our free, flat-rate and Parcel Post deliveries,Β estimated timeΒ from dispatch based on working days from our main warehouse inΒ BrisbaneΒ areΒ as follows:
QLD Metro: 1 β 2Β daysΒ
QLD North: 2 β 4 daysΒ
QLD Country: 2 β 6 daysΒ
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SA Metro: 3 β 5 daysΒ
SA Country: 4 β 8 daysΒ
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NSW Metro:Β 2 β 3 daysΒ
NSW Country: 2 β 7 days
ACT: 2 β 4 days
VIC Metro: 3 β 5 daysΒ
VIC Country: 3 β 7 daysΒ
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TAS:Β 5 βΒ 10 daysΒ
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NT Metro: 3 β 6 daysΒ
NT Country: 5 β 10 daysΒ
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WA: 5 β 10 days
For our Express Post deliveries:
ALLΒ Metro: 1Β day
ALLΒ Country: 2 β 3 days
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Please note, these are estimated shipping times. Weather, human error and other unforeseen circumstances canΒ slow down your order. You will get an online tracking link to follow the progress of your order. If you need your order urgently, we encourage you to select the Express Post option at checkout.
If you suspect any problems or your order has not arrived by the ETA date, pleaseΒ contact usΒ so we can follow it up. If you would like some more clarity around dispatch times including ETAs of goods shipping from our Sydney,Β MelbourneΒ orΒ LauncestonΒ warehouses, pleaseΒ contact us.
MK4 - Replacement Regulator Diaphragm and Seat Assembly (MKIV) is backordered and will ship as soon as it is back in stock.
This complete diaphragm, seat and seat cap assembly suits MK4 regulators and comes as a fully encapsulated, enclosed unit. Unlike some cheaper regulators, the seat and seat cap are sealed together, giving a more reliable, long-lasting repair.
- Complete diaphragm, seat and seat cap assembly
- Suits MK4 (MKIV) regulators
- Fully encapsulated, enclosed design
- Direct replacement part
A straightforward way to bring a worn MK4 regulator back to full working order.
Payment & Security
Payment methods
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AfterPay and ZipPay Available

