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// Buying guide
Our Brand Range
Hydraulic OEMs
Hydraulic OEMs make the pumps, motors and valves at the heart of most machines. We work with part numbers from Parker, Linde, Danfoss, Kawasaki and Kayaba, among others. Send the full model code, and we’ll find the genuine part where it’s available, or an equivalent that matches the displacement, pressure, flange, shaft and control.
Pump OEMs
Pump OEMs cover centrifugal, process and hydraulic pump makers. This section brings together pump brands such as Grundfos, dedicated hydraulic pump pages for brands like Linde, Kawasaki and Kayaba, and wider groups of OEM and aftermarket pump brands. It’s the quickest route when you know the pump maker but not the exact replacement.
Component Brands
Component brands cover the filters, sensors, seals, fittings, couplings and accessories that keep a system running. The brand directory lists the makers we cross-reference, so you can check before you call. Distributors and resellers can also ask about becoming a stocking partner.
Genuine or Equivalent: How We Tell You
Every quote we send states whether each part is genuine or an equivalent. A genuine part is made or supplied by the original manufacturer. An equivalent is made by another maker to fit and perform in the same position. Good equivalents match the key dimensions and ratings, and can save money or time when the genuine part is scarce. We’ll tell you how an equivalent compares, and where it differs, so the choice is yours.
Matching by Part Number
A full part number or model code is the fastest way to a match. It tells us the series, size, rotation, control, flange, shaft and seal options in one line. If the nameplate is worn, photos and measurements of the shaft, flange and ports usually get us there. For whole machines, the make, model and serial number help us find the right parts list. Part numbers from one brand can also be cross-referenced to find an equivalent from another. Datasheets and drawings then confirm the match before you order.
Spotting Counterfeit Parts
Counterfeit hydraulic and pump parts do turn up, often online and often at prices that look too good. Warning signs include missing or poor-quality markings, packaging that doesn’t match the brand, unusually low prices and sellers who can’t supply documents. A counterfeit part can fail early and damage the rest of the system. Buying from a supplier who states clearly what’s genuine and what’s equivalent is the simplest protection.
Brands Across Industries
The same brands appear across very different industries. A Kawasaki pump might drive an excavator on a mine site or a press in a factory, and a Grundfos pump might boost water in a tower or circulate cooling water in a plant. Knowing the industry as well as the brand helps us choose the right seal material, filter or equivalent for the conditions.
Brands and Engineering Support
Sometimes the right answer isn’t a like-for-like part. If an old pump is obsolete, keeps failing or no longer suits the duty, our engineers can recommend a different brand or model that fits the same space and does the job better. That advice comes with clear notes on what changes and why. You can read more about us, or contact us to talk it through.
What We Need From You
- The brand and full part number or model code.
- Photos of the nameplate and the part.
- The machine make and model, if known.
- Whether you need genuine only, or are open to equivalents.
Why Work With TSA Hydraulics Engineering
As a supplier across many brands, we’re not tied to one maker’s catalogue, so we can find the best fit for your machine and budget. You get honest labelling of genuine and equivalent parts, and engineering support when the obvious replacement isn’t the right one. Brand names are used to identify parts, and we’re happy to discuss our relationship with any brand.

























