---
product_id: 17366072
title: "AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3800 PSI, 3.5 GPM, 1\" Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black"
brand: "simpson"
price: "97556 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/17366072-aaa-pumps-90038-horizontal-triplex-plunger-replacement-pressure-washer-pump
store_origin: IS
region: Iceland
---

# 3.5 GPM 1" Shaft 3800 PSI AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3800 PSI, 3.5 GPM, 1" Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black

**Brand:** simpson
**Price:** 97556 kr
**Availability:** ✅ In Stock

## Summary

> 💪 Power Up Your Cleaning Game!

## Quick Answers

- **What is this?** AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3800 PSI, 3.5 GPM, 1" Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black by simpson
- **How much does it cost?** 97556 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/17366072-aaa-pumps-90038-horizontal-triplex-plunger-replacement-pressure-washer-pump)

## Best For

- simpson enthusiasts

## Why This Product

- Trusted simpson brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Oil Level Visibility:** Advanced sight glass technology eliminates the guesswork in oil maintenance.
- • **PowerBoost Technology:** Experience enhanced cleaning efficiency with adjustable pressure settings.
- • **Universal Compatibility:** Fits many gas pressure washers with horizontal engines—just match the specs!
- • **Standardized Connections:** Easily connect with various pressure washer hoses for seamless operation.
- • **Extend Your Equipment's Life:** Save money by replacing your pump instead of buying a new pressure washer.

## Overview

The AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit is designed for industrial gas-powered machines, delivering a robust 3800 PSI and 3.5 GPM. This kit includes essential hardware and a siphon tube, ensuring easy installation and compatibility with a wide range of pressure washers. With features like PowerBoost Technology and advanced oil level visibility, this pump kit is the perfect solution for extending the life of your pressure washer while enhancing your cleaning efficiency.

## Description

AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3800 PSI, 3.5 GPM, 1" Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black

## Features

- Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer. This easy-to-install kit is great for power washers that can support 3800 PSI at 3.5 GPM to wash walls, sidewalks, vehicles, and more
- Compatibility: SAE standard bolt pattern fits many gas pressure washers with horizontal engines. To ensure compatibility, be sure to match engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet and outlet connection
- Adjustable power: Pump includes PowerBoost Technology that delivers higher pressure at the nozzle for a more efficient cleaning experience; There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure
- Know when to change your oil: The sight glass and advanced oil seal technology eliminates the need for a dipstick. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil
- Standard Connections: This replacement pump features a garden hose inlet and quick connect high pressure hose outlet; Use it with many pressure washer hoses, including Simpson Armor 41114, 41096, 41115 or Simpson Monster 41113, 41028, 41030, 41032, 41034

## Images

![AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3800 PSI, 3.5 GPM, 1" Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black - Image 1](https://m.media-amazon.com/images/I/71UfvYTtB6L.jpg)

## Frequently Bought Together

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-25*