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AR XWL 41.21 Water Seal kit
$249.76
AR XWL 41.21 Water Seal kit. A packing and seal kit for restoring pump or equipment performance during scheduled service or repair.
Packings and seals are the primary wear items in a triplex plunger pump. They're what hold pressure against the plunger, and they degrade steadily with every hour of run time. Symptoms of worn packings are unmistakable once you know them: pressure loss, water weeping from beneath the manifold, and oil that turns milky as water works past the seals into the crankcase.
Rebuilding rather than replacing is what makes commercial pumps economical to own. A triplex pump that costs over a thousand dollars can typically be restored to full performance with a kit costing a fraction of that, and it can be done repeatedly over the pump's service life. That rebuildability is the entire economic case for commercial-grade equipment over throwaway consumer units.
Replace packings before they fail completely. Running a pump on badly worn seals lets water into the crankcase, and water in the oil destroys bearings and the crankshaft — turning an inexpensive seal job into a pump replacement.
Grime Task Force stocks rebuild kits across the major pump lines so a service interval doesn't turn into a parts hunt. Confirm your pump model and series before ordering — kits are model-specific and a close match is not a match.
Frequently Asked Questions
What does this kit fit? AR XWL 41.21 Water Seal kit. Confirm your exact pump model and series before ordering.
When should I rebuild rather than replace? Almost always. Commercial triplex pumps are designed to be serviced repeatedly, and a rebuild kit costs a fraction of a new pump.
What else should I check during the rebuild? Inspect plunger surfaces for scoring, check oil condition for water contamination, and confirm your inlet filtration is doing its job.
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