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Find quick answers to common questions
This adapter will allow the monster pump heads to be directly bolted onto most small gas motors.
Our Pump Adapter Mount Gas Motor is compatible on inexpensive motors like your Harbor Freight and Northern Tools motors.
Find quick answers to common questions
Yes. Every Monster Series and Industrial Series pump is built for continuous duty, marine environments, and the kind of fluid-transfer work that breaks cheaper pumps.
Absolutely. Our Monster Series is portable and self-priming — no tuning or tricks needed. Plug it in and move fluid.
Yes. Goldstream pumps are tested in real-world marine, biofuel, and industrial conditions — heat, humidity, and long runtimes.
Flush with a compatible fluid after each use and keep seals clean. That's it — our gear pumps are built to run with minimal fuss.
Yes. Seals, impellers, gaskets, and full rebuild kits are in stock at the Pump Parts collection.
Every pump ships with a printed install guide. Digital copies and install videos are linked from each product page.
Every Goldstream pump is backed by our 1-year limited warranty against defects in materials and workmanship, when used with approved oil-based fluids.
Keep your order confirmation email — it acts as proof of purchase. You can also register your serial number in your account for faster service.
Defects in materials and workmanship under normal use — no fine print, no games. Wear items (seals, gaskets) are covered by a separate 1-year warranty.
Call us. We'll get you a replacement or rebuild fast — usually the same week.
Most orders ship same-day from Charleston, SC, with delivery in 2–5 business days anywhere in the continental US.
Yes. Goldstream offers dealer and fleet pricing — call us at (843) 972-4211 or use the contact form.
Call (843) 972-4211 Mon–Fri, 8am–3pm EST, or email support@goldstreampumps.com. No call centers.
Feel free to reach out to us!
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