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Description
marco gear pump Marco Pump # M164-320-12 UP12/OIL Gear Pump 12V 4.0GPM – InternetPump.comFEATURES For UPx OIL Series Gear Pumps: Pump Body: Nickel Plated Brass. Port Size: 3 8" BSP (British) Female Threaded Ports AND 3 8" NPT Male Threaded Portsor1 2" BSP (British) Female Threaded Ports AND 1 2" NPT Male Threaded Ports Depending on Model. Flow: Up To 0. 9 GPM, 1. 45 GPM, 2. 1 GPM or 4. 0 GPM Depending on Model. Pressure: Up To 21. 8 PSI, 29 PSI, 43. 5 PSI or 72. 5 PSI Depending on Model. Gears: Bronze. Shaft Seal: Lip Type. Shaft:
FEATURES For UPx/OIL Series Gear Pumps:Pump Body: Nickel Plated Brass.
Port Size: 3/8" BSP (British) Female Threaded Ports AND 3/8" NPT Male Threaded Portsor1/2" BSP (British) Female Threaded Ports AND 1/2" NPT Male Threaded Ports Depending on Model.
Flow: Up To 0.9 GPM, 1.45 GPM, 2.1 GPM or 4.0 GPM Depending on Model.
Pressure: Up To 21.8 PSI, 29 PSI, 43.5 PSI or 72.5 PSI Depending on Model.
Gears: Bronze.
Shaft Seal: Lip Type.
Shaft: Stainless Steel.
Motor: 12 Volt or 24 Volt DC Models. Lower RPM For Engine Oil Change. Heavy Duty Ball Bearing Design, Motors Are ISO 8849 Marine (Bilge Standard), IP Protection 67.
APPLICATIONS:
Primarily For Engine Oil Change. Also For Diesel Transfer And Refueling, Oils, Fresh Water and Glycol Antifeeze. Self-Priming. Some Models Have Integrated Forward-Off-Reverse Switches As Noted.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Good quality, smooth feel
I got these briefs so recently that have washed just one pair so far. First off, these are very comfortable, the material is soft & bordering silky, good quality sewing. Wash well and minimal if any shrinkage. They do come a bit wrinkled from the dryer but hey, these are underwear and will go on smoothly. If it were a t-shirt, I would look sloppy. I feel the sizing is accurate. No rolling and these don't announce themselves under clothing. Planning on getting more of these boxers and replacing my old panties.
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Reviewed in the United States on January 31, 2026
★★★★★ 4
A little snug on the thighs
Size: Medium, Color: Multicoloured G (5-pack)
Super comfy, soft and thin. For reference, I'm 5'6", 135, athletic build. I bought medium. I almost returned them because I thought they were a bit too snug on my thighs, and my thighs are not large at all. I was concerned about panty lines under snug clothing. But, because they're thin, I figured they would probably stretch, so I kept them. So far, I've only worn them under a night shirt, but they're super comfortable and they dont ride up at all. Very nice, but if your thighs are a little thick, you probably won't like them.
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Reviewed in the United States on August 29, 2025
★★★★★ 5
Functional + Sexy
Size: Small, Color: Multicoloured E-(5-pack), Size: Small, Color: Multicoloured E-(5-pack)
Not only do these feel good, my husband can’t keep his hands off me. They fit so good and are soft. I change into these to sleep but also just use them as shorts to wear around the house. They’re comfortable and don’t slide around. I got a size small and I’m 100lbs.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Finally!
Size: X-Large, Color: All Black D (5-pack)
Finally, comfortable underwear that don’t end up giving me a wedgie. I have a round booty and most cuts of underwear end up shifting as I walk and sit. The hem of the underwear comes right under my cheeks and the lightweight material ensures there’s no panty line and no shifting to where I don’t want them! I’m definitely purchasing more.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
Ehh
Size: Medium, Color: Multicoloured E-(5-pack)
Very thin, still comfy but very thin material. Super soft though. I've worn and washed and they have held up but I won't be repurchasing bc these are so thin
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Reviewed in the United States on April 14, 2026