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TF Pumps stocks the full range of replacement parts for Plastica Argonaut swimming pool pumps, covering the current AV and AG series. Parts include impellers, diffusers, mechanical seals, body O-rings, lid O-rings, strainer baskets, pump lids, and motor brackets. Everything is OEM-spec for guaranteed fit and performance.
The most common wear items are mechanical seals, pump body O-rings with step, lid O-rings, slinger washers, and impellers. Pump shaft seals are the first parts to fail when a pump runs dry, so they are recommended as a routine replacement during seasonal maintenance.
Because the AV and AG range has been sold under several brand names over the years, HydroAir, ITT, Balboa, ITT Marlow, and Lowara, many spare parts are interchangeable between current Plastica Argonaut and older branded pumps. The motor bracket number (such as 4377800 on AV pumps) is the fastest way to confirm part compatibility. Our team can identify the correct replacement part from the pump nameplate or motor bracket markings.
If your questions have not been answered here, get in touch with our team for more information.
The Plastica Argonaut parts range covers mechanical seals, body O-rings (with and without step), lid O-rings, slinger washers, diffuser O-rings, impellers, pump lids, strainer baskets, motor brackets, and complete service kits. All parts are OEM specification for direct fit on the current AV and AG series and most older variants.
Pump O-rings fail through age (rubber hardening), chemical exposure (especially high chlorine), UV exposure if the pump is in direct sunlight, and physical damage from over-tightening. Silicone lubricant on each O-ring during reassembly extends life considerably. Replace any O-ring that has visible flat spots, cracks, or hardening.
Yes. Replacement transparent lids and strainer baskets are stocked for both AV (typically 1.75 litre basket) and AG (typically 1.65 litre basket) series pumps. The clear lid is essential for visual inspection during operation, and the basket should be inspected weekly to clear debris.
The parts stocked are OEM specification from Plastica Pools, the UK manufacturer that now owns and manufactures the Argonaut pump range. They are genuine factory parts rather than aftermarket alternatives, ensuring exact fit and consistent performance.
Absolutely! If you’re not sure which Plastica replacement part you need, our team is here to help. You can pop up to our live chat for instant support, or simply send your pump’s part number to sales@tfpumps.com and one of our experts will quickly confirm the correct part for you.
