18mm Connector Lock Pin vs Replacement Lever: Which Spare?
By Buy Hoselink Products Australia | Garden Watering System ... | Published: 2026-11-01
Category: Comparisons
Compare the 18mm connector lock pin and the hose connector replacement lever so you can fix the right part of your Hoselink fitting without buying the whole connector again.
Quick answer
If your 18mm fittings twist together but can still pull apart, you need the 18mm connector lock pin 2 pack. If the fitting holds securely but the flow-control lever is broken or missing, you need the hose connector replacement lever. They solve different failures, so check which part is actually letting you down before ordering.
The lock pin secures the joint; the lever controls the flow
These two spares sit on the same connector family but do different jobs. The lock pin is a small yellow pin that passes through the lugs after you line up and twist the fittings together. It stops the connection from coming apart under pressure. The replacement lever is the handle on a Hose Connector with Flow Control; it changes or shuts off flow at the outlet. A missing pin causes a loose or separating joint. A broken lever causes poor or stuck flow control. Diagnosing which symptom you have is the whole decision.
Why a lock pin is not the same as a connector cap
A connector cap closes off an end of the hose line; a lock pin does not seal anything. It only locks two 18mm fittings together. If you are looking for a cap to terminate a run, the lock pin will not do that job. If your fittings are joined but keep separating, a cap will not help either. Match the part to the symptom: separation points to the lock pin, while a dead end points to a cap.
The lever is model-specific, so check your connector first
The replacement lever is made specifically for Hoselink fittings and is listed as suitable for both 12mm and 14mm hose connectors with flow control. It is not a universal lever for any brand or any connector. If you have a plain connector without flow control, there is no lever to replace. If you have a different brand, this part is not intended for it. Confirm you have a Hoselink flow-control connector before choosing the lever.
Trade-offs: lock pin vs replacement lever
- Lock pin: secure the joint, not the flow: Choose the 18mm connector lock pin 2 pack when the fittings twist together correctly but can still be pulled apart or burst off under pressure. The pin passes through the lugs to prevent that separation. It does not repair a damaged O-ring, a cracked body, or a faulty lever. If water leaks at the joint rather than the fittings separating, the pin is not the fix.
- Replacement lever: restore control, not the connection: Choose the hose connector replacement lever when the connector still joins and seals but the flow-control handle is broken, stiff, or missing. The swap uses the original screws and a Phillips head screwdriver. It will not stop a fitting from separating and it does not fit connectors without flow control. Check that your connector is a Hoselink flow-control model in 12mm or 14mm before ordering the lever.
- Buying both: a sensible spare-parts kit: If you run several 18mm fittings and flow-control connectors, keeping one lock pin 2 pack and one replacement lever on hand covers the two most common small failures. Both are low-cost spares compared with replacing a complete connector, and they store easily between uses. Match the colour option to your existing fittings when you order, so the spare looks consistent with the rest of your setup.
Product facts at a glance
- 18mm Connector Lock Pin - 2 pack: The 18mm connector lock pin comes as a 2 pack and is designed to sit in the lugs after the fittings are twisted into position. Two pins let you secure a joined pair of 18mm fittings and keep a spare on hand for the next time a pin goes missing.

18mm Connector Lock Pin - 2 pack - Replacement Lever for Hose Connector with Flow Control: The replacement lever is a direct swap for the lever on Hoselink Hose Connectors with Flow Control, fitted by removing the screws with a Phillips head screwdriver. You can restore flow control without replacing the whole connector, provided the connector body itself is still sound.

Replacement Lever for Hose Connector with Flow Control
Which spare fits your situation?
Best for
- Gardeners whose 18mm fittings join correctly but pull apart or burst off under pressure
- Anyone who has lost a yellow lock pin and wants a spare 2 pack on hand
- Hoselink users with a 12mm or 14mm flow-control connector whose lever is broken or missing
Not for
- Fittings that leak at the joint or have cracked bodies, which need a different repair
- Connectors without flow control, which have no lever to replace
- Non-Hoselink connectors, since the lever is made specifically for Hoselink fittings
- Anyone looking for a connector cap to close off a hose end

