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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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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
4.8 ★★★★★
Based on 2032 reviews
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Product Reviews
★★★★★ 5
Gets the job done
Size: 200-Foot, Style: 14-Gauge
Very sturdy with excellent sheathing protection/durability. Great value for the linear ft available. Paired with Amazon basic banana plugs for excellent speaker wire
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Durable Speaker Wire
Size: 100-Foot, Style: 14-Gauge
Durable and difficult (good thing) to strip off the outer sleeve. Very good speaker wire.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Exceeded my expectations in every way.
Size: 200-Foot, Style: 14-Gauge, Size: 200-Foot, Style: 14-Gauge
Great quality solid copper cables. None of the local stores, such as Walmart or Autozone had Any real copper cables at all. All offerings were CCA dual-conductor cables that are essentially 95% aluminum. 2/3rd of available options had Packaging that didn't openly disclose this fact. It took time researching each "high-performance", or "professional grade" audio cables they had in stock. Perhaps, there's no regulations that require manufacturers to to make any reference clarifying that the product isn't pure copper. It was surprisingly misleading. Amazon Basic branded cables are as good as the best cables you cables you can buy elsewhere online. 14 Gauge us about as thick as you could reasonably use at home without it becoming a major annoying mess. Great price as well. Made in Vietnam - is just the icing on the cake. Ordered the "used" option. Cables were brand new, the coil was slightly banged up in shipping and dusty, thus the 15% discount
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Durability
Size: 100-Foot, Style: 14-Gauge
Great wire. Works perfectly
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Nice quality
Had to return due to our mistake but the mechanic said it was good quality. Ordered the correct size and worked great.
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Reviewed in the United States on March 30, 2025