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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
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Description
Simpson 90037 3400 Psi 2.5 Gpm AAA Technologies Triplex Plunger Pump KitFeatures 3400 PSI @ 2. 5 GPM PowerBoost Technology Fully adjustable unloader system with ergonomic control Sight glass and advanced oil seal technology, does away with the need for a dipstick Thermal relief protection to prevent pump overheating Dual oversized radial ball bearings are installed for better wear, friction resistance and precision ceramic coated pistons for extended seal life Crankcase is manufactured from fully anodized die cast
Features
- 3400 PSI @ 2.5 GPM
- PowerBoost Technology
- Fully adjustable unloader system with ergonomic control
- Sight glass and advanced oil seal technology, does away with the need for a dipstick
- Thermal relief protection to prevent pump overheating
- Dual oversized radial ball bearings are installed for better wear, friction resistance and precision ceramic coated pistons for extended seal life
- Crankcase is manufactured from fully anodized die cast aluminum for corrosion protection and is sealed to prevent contamination and lube failure
- Gas engine flange and hollow shaft that fits most horizontal shaft engines
What's in The Box
- AAA Triplex Plunger Pump
- Inlet/Outlet Connections
- Siphon Tube w/ Filter
- New Mounting Bolts
- Shaft Key
- Owner's Manual
Warranty
- 5-Year Limited Factory Warranty
- 30 Day Satisfaction Guaranteed
Specifications
| Sku | 90037 |
| Brand | Simpson |
| Max Pressure | 3,400 Psi |
| Gallons Per Minute | 2.5 Gpm |
| Inlet Port | 3/4 in. GH |
| Discharge Port | Threaded Male Fitting |
| Inlet Pressure Range | 10-60 Psi |
| Thermal Relief Port | 1/4 in. NPT |
| Shaft Diameter | 3/4 in. |
| Flange Bolt Pattern | SAE J-609A |
| Key Way | 3/16 in. |
| Pump Oil Capacity | 8.0 fl-oz. |
| Power Boost | Yes |
| Head Material | Brass |
| Shipping Weight | 9 lbs. |
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
4.2 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Reliable Fit for Bigger ToddlersI’m
Size: Size 7, Unit Count: 88
These diapers are great quality and hold up really well for active toddlers. My son has always had thicker legs, and these have suited him really well without being too tight or causing irritation. He just turned two and is already in a size 7 (almost an 8), so sizing up has definitely been helpful for comfort and better coverage for US. The absorbency is consistent, and they stay in place—overall a very dependable choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 5
Good treat.
Flavor Name: Chicken, Size: 2 Pound (Pack of 1)
My dogs love them. But expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 5
My Dogs Go Crazy for These!
Flavor Name: Chicken, Size: 1 Pound (Pack of 1)
These Pet ’n Shape Chik ’n Rice Dumbbells are a huge hit in my house! My dogs absolutely love them — they can smell the real chicken as soon as I open the bag. I really appreciate that they’re made with natural ingredients and no artificial additives. They’re the perfect size for a satisfying treat without being too big, and the chewy texture keeps my pups busy for a bit. I’ve bought these several times now and will keep them on my regular treat rotation. Highly recommend for happy, tail-wagging pups!
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Reviewed in the United States on October 6, 2025
★★★★★ 5
Great treats for dogs.
Flavor Name: Chicken, Size: 8 Ounce (Pack of 1)
our dog loves these. would recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
★★★★★ 5
More chicken for the chicken addict
Flavor Name: Chicken, Size: 1 Pound (Pack of 1)
My fur baby's crack! No for real. I think he really goes thru withdrawals, and I become his worst enemy! I mean come on! What kind of Chicken corner fix am I when I run out!?? LOL!!
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Reviewed in the United States on May 5, 2026