★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
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Reviewed in the United States on April 26, 2026
PA 501 Brass 134-165 GPH 1/2" NPT Rotoflow Fluid-o-Tech Rotary Vane Pumps
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
PA 501 Brass 134-165 GPH 1/2" NPT Rotoflow Fluid-o-Tech Rotary Vane PumpsPA 501 Bypass Clamp Mount Brass 134 165 GPH 2. 23 2. 75 GPM 1 2" NPT Rotoflow Fluid o Tech Rotary Vane Pumps. Part # Bypass Mount Body 1450 RPM 1725 RPM Req. HP @ 200 PSI 100 PSI 200 PSI 100 PSI 200 PSI GPH LPH GPH LPH GPH LPH GPH LPH PA 501 Yes Clamp Brass 139 526 134 507 165 625 159 602 3 4 FOR QUANTITY PRICING AND ORDERS OUTSIDE THE CONTIGUOUS U. S. PLEASE CONTACT US FOR A QUOTE! The PO 500 1000 series positive displacement rotary vane pumps are
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4.1 ★★★★★
Based on 1296 reviews
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Product Reviews
★★★★★ 5
Will buy again!
Configuration: 4-Stroke, Size: 1 GA, Configuration: 4-Stroke, Size: 1 GA
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Good
Configuration: 4-Stroke, Size: 1 GA, Case of 3
Good
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Reviewed in the United States on May 15, 2026
★★★★★ 4
Oily situation lol
Configuration: 4-Stroke, Size: 1 GA
Honestly how do you write a review of this product? I would have to run tests for years on multiple oils on various engines to do so. The value was good however and shipping was great
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Reviewed in the United States on March 31, 2025
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
