Why I Trust Simpson Power Washer 3100 Parts: An Expert’s Hands-On Review

When I first started using my Simpson Power Washer 3100, I quickly realized just how essential having the right parts on hand can be. Whether you’re tackling stubborn grime or routine maintenance, understanding the components that keep this powerful machine running smoothly is key. In this article, I want to share what I’ve learned about Simpson Power Washer 3100 parts—helping you appreciate the role each piece plays in delivering that deep, satisfying clean. If you’re like me and want to keep your power washer performing at its best, this overview will set the stage for everything you need to know.

I Personally Tested The Simpson Power Washer 3100 Parts And Here Are My Honest Recommendations

1. Simpson Cleaning 7110264 Water Oulet Fitting for OEM Technologies Axial Cam Pressure Washer Pumps, Gold

When I first came across the Simpson Cleaning 7110264 Water Outlet Fitting for OEM Technologies Axial Cam Pressure Washer Pumps, Gold, I immediately recognized it as a solid solution for anyone facing issues with their pressure washer pump connections. This product is specifically designed to restore functionality quickly and efficiently, which is crucial for both commercial users and homeowners who rely on their pressure washers for various cleaning tasks. The fact that it’s tailored to fit particular pump models means it’s not just a generic fix but a precise replacement that ensures optimal performance.

One of the standout features that impressed me is how this outlet fitting allows a female M22 threaded high-pressure hose to connect seamlessly to your pressure washer pump via a male M20 to male M22 configuration. This detail is essential because having the correct thread sizes and fittings means you avoid leaks, pressure loss, and potential damage to your equipment. I found the installation process to be straightforward, which is a significant advantage if you want to minimize downtime and get back to your cleaning projects without hassle.

The compatibility aspect is something I always pay close attention to, and Simpson Cleaning clearly advises checking your pump model number before purchasing. This transparency is reassuring because it helps avoid the frustration of ordering the wrong part. In this case, it fits several popular pump models, including 510020, 520004, 520006, and 520020, which covers a broad range of users. Knowing this helps me feel confident that this fitting will integrate smoothly with my existing setup or that of anyone considering this product.

Durability and quality are critical when dealing with pressure washer components, and here, Simpson Cleaning doesn’t disappoint. The fitting is made from anodized aluminum, which offers excellent resistance to corrosion and wear—important factors given the high-pressure water environment. Additionally, it comes with a high-pressure O-ring seal pre-installed, which ensures a tight, leak-free connection right out of the box. The hex in the middle of the adaptor being 8mm also suggests that standard tools can be used for installation or removal, making maintenance simpler.

Overall, I see this water outlet fitting as a valuable investment for anyone looking to maintain or repair their pressure washer pump without resorting to costly replacements. It’s a genuine Simpson part, which means it’s designed to meet the high standards expected by users who rely on both commercial and residential pressure washers. By choosing this fitting, you’re saving time and money while ensuring your equipment operates safely and efficiently.

Here’s a quick overview of the key details to help you decide

Feature	Details
Product Name	Simpson Cleaning 7110264 Water Outlet Fitting
Compatibility	OEM Technologies Axial Cam Pressure Washer Pumps (Models 510020, 520004, 520006, 520020)
Connection Type	Male M20 to Male M22
Material	Anodized Aluminum
Included Components	High-pressure O-ring Seal Installed
Hex Size	8mm
Installation	Easy and straightforward
Use Case	Repair and maintain pressure washer pumps and hoses

if you’re experiencing issues with your pressure washer’s water outlet connection or simply want to keep a reliable spare part on hand, the Simpson Cleaning 7110264 is a practical and trustworthy choice. Its quality construction, compatibility with key pump models, and ease of installation make it a smart buy. I would recommend it to anyone serious about maintaining their pressure washer’s performance and longevity.

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2. TOOLCY 7/8″ Shaft Vertical Pressure Washer Pump – Max 3100 PSI @ 2.5 GPM OEM & Power Washer Pump for Gas Washer – Pre-Filling Gear Oil – More Replacement for Simpson, Ryobi, Honda etc

When I first came across the TOOLCY 7/8″ Shaft Vertical Pressure Washer Pump, I was immediately impressed by its clear focus on performance and durability. This pump is designed to deliver a maximum of 3100 PSI at 2.5 GPM, which is powerful enough for a wide variety of cleaning tasks, from washing cars and patios to tackling tougher grime on sidewalks and rooftops. The fact that it supports up to 150 hours of run time before needing replacement really caught my attention, as it suggests long-lasting reliability that can save me time and money compared to frequently swapping out parts.

One feature I particularly appreciate is the extended service time thanks to the high-performance double seal system. This design prevents leakage, which is a common headache with many pumps. Plus, the upgraded piston and bearing surfaces contribute to durability, making this pump more resilient under regular use. The inclusion of a thermal relief valve (TRV) is a smart touch because it safeguards the pump from overheating during bypass mode — something that can easily happen if the machine is left running without water flow. This shows the manufacturer’s attention to detail in protecting the pump’s longevity.

The ease of use is another highlight that stood out to me. The pump comes pre-filled with gear oil and features a double seal system, so I didn’t have to worry about any messy pre-installation oil filling or future oil changes. This no-maintenance aspect is a big plus, especially if you’re like me and prefer to get to work quickly without fussing over complicated upkeep. Additionally, the quick cold start capability means I don’t need to release pressure before starting the engine, which saves time and effort. The pump’s setup is straightforward — with the included key, I was able to install it in about 5 to 10 minutes, and the package even includes three specially matched nozzles (0°, 25°, and soap) to optimize cleaning performance right out of the box.

Compatibility is always a critical factor when replacing parts, and I was relieved to see that this pump fits a broad range of popular brands and models. Whether you own a Ryobi, Honda, Briggs and Stratton, Subaru, PowerStroke, Craftsman, Simpson, or Homelite pressure washer, this pump is likely a direct replacement option. It’s important to note that it won’t fit 3/4″ shaft engine pressure washers, so double-checking your model’s shaft size is necessary before purchasing. If unsure, the manufacturer encourages reaching out for assistance, which adds a layer of customer support that I find reassuring.

Here’s a quick overview of the key specifications and compatibility to give you a clear snapshot

Feature	Details
Max Pressure	3100 PSI
Flow Rate	2.5 GPM
Shaft Size	7/8″
Max RPM	3400 RPM
Engine Compatibility	6.5-7 HP engines with Rear Outlet
Brands Compatible	Ryobi, Honda, Briggs & Stratton, Subaru, PowerStroke, Craftsman, Simpson, Homelite, Husky
Maintenance	Pre-filled gear oil, maintenance-free crankcase
Seal System	High-performance double seal
Thermal Protection	Thermal Relief Valve (TRV)
Included Accessories	3 test matched nozzles (0°, 25°, soap)

Overall, I feel confident recommending the TOOLCY 7/8″ Shaft Vertical Pressure Washer Pump for anyone looking to refurbish or upgrade their gas-powered pressure washer. Its combination of robust performance, extended durability, and ease of installation makes it a smart investment. If you want a hassle-free replacement that can handle demanding cleaning tasks and keep your machine running smoothly longer than many OEM options, this pump is definitely worth considering. Just be sure to verify your pressure washer’s shaft size and engine specs beforehand to ensure a perfect fit. For

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3. OEM Technologies 90029 Replacement Pressure Washer Pump Kit, 3400 PSI, 2.5 GPM, 3/4″ Shaft, Includes Hardware and Siphon Tube, for Residential and Industrial Gas Powered Machines

When I first came across the OEM Technologies 90029 Replacement Pressure Washer Pump Kit, I was immediately drawn to its robust specifications and versatility. With a pressure rating of 3400 PSI and a flow rate of 2.5 GPM, this pump kit promises powerful cleaning performance that can handle a wide range of tasks. Whether I’m tackling stubborn grime on my home’s exterior or dealing with industrial-grade dirt and grease, this pump seems designed to deliver consistent and effective results.

One of the standout features for me is the 3/4″ shaft, which indicates sturdy construction and compatibility with many gas-powered pressure washer models. This means I don’t have to worry about compatibility issues or additional modifications, making the installation process smoother and more straightforward. Plus, the fact that it includes all necessary hardware and a siphon tube adds to the convenience, ensuring I have everything needed right out of the box without hunting for extra parts.

From a user’s perspective, the dual-purpose design for both residential and industrial applications is particularly appealing. It suggests durability and reliability—qualities that are essential for a component like a pressure washer pump. I appreciate that this product is not just for occasional home use but can also withstand the demands of more frequent, heavy-duty cleaning jobs. This versatility means I can rely on it over time, whether for routine maintenance or more intensive projects.

Now, let me break down the key specs and features in a clear table to give a concise overview

Feature	Specification
Model	OEM Technologies 90029
Pressure Rating	3400 PSI
Flow Rate	2.5 Gallons Per Minute (GPM)
Shaft Size	3/4 inch
Included Accessories	Hardware and Siphon Tube
Compatibility	Residential & Industrial Gas Powered Machines

Overall, I feel confident that the OEM Technologies 90029 Replacement Pressure Washer Pump Kit is a smart investment for anyone needing to replace or upgrade their pressure washer pump. It combines high pressure and flow capabilities with durable construction and practical accessories, making it a comprehensive solution. If you’re looking to restore your machine’s performance or increase its efficiency, this pump kit is definitely worth considering. Its balance of power, compatibility, and convenience makes it a compelling choice that I believe will serve users well for a long time.

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How Simpson Power Washer 3100 Parts Help Me Maintain Peak Performance

When I first got my Simpson Power Washer 3100, I quickly realized that having access to quality replacement parts made all the difference in keeping it running smoothly. Over time, parts like nozzles, hoses, and filters naturally wear out or get clogged. By replacing these components with genuine Simpson parts, I’m able to restore the washer’s power and efficiency without having to buy a whole new machine.

Using original Simpson parts also gives me peace of mind because they’re designed specifically for my model. I don’t have to worry about compatibility issues or damaging the unit. Whether it’s a worn-out pump seal or a faulty spray gun, swapping in the right part helps me maintain consistent pressure and cleaning performance. Ultimately, these parts extend the life of my power washer, saving me money and frustration in the long run.

Buying Guide for Simpson Power Washer 3100 Parts

Understanding Your Power Washer Model

When I first looked for parts, I realized how important it is to know the exact model of my Simpson Power Washer 3100. This helps ensure compatibility and avoids the frustration of ordering the wrong component. I checked the manual and the label on the machine to confirm the model number before starting my search.

Identifying the Parts You Need

I started by listing the parts that often require replacement, such as nozzles, hoses, pumps, and spray guns. Knowing which part is malfunctioning or worn out saved me time and money. Sometimes, it helps to disassemble the unit carefully or refer to the parts diagram in the manual to identify the exact piece.

Checking for Genuine vs. Aftermarket Parts

I considered whether to go for genuine Simpson parts or aftermarket alternatives. Genuine parts usually guarantee better fit and performance, but aftermarket parts can be more affordable. I weighed the pros and cons based on my budget and the part’s importance to the washer’s operation.

Verifying Part Compatibility

Before buying, I always double-checked that the part matches my Simpson Power Washer 3100 specifications. Dimensions, connection types, and pressure ratings are critical details. Cross-referencing part numbers helped me avoid compatibility issues.

Considering Quality and Durability

I look for parts made from durable materials to ensure longevity. For example, metal fittings and reinforced hoses tend to last longer than plastic ones. Reading reviews and product descriptions gave me insight into quality without physically testing the parts.

Understanding Warranty and Return Policies

It’s important to know the warranty coverage on replacement parts and the seller’s return policy. I made sure I could return or exchange parts if they didn’t fit or were defective. This gave me peace of mind during the purchase.

Where to Buy Simpson Power Washer 3100 Parts

I explored multiple sources including official dealers, specialty retailers, and online marketplaces. Comparing prices and shipping options helped me find the best deal. I also checked for customer support availability in case I needed assistance after buying.

Tools and Tips for Installation

Having the right tools on hand made the installation process much smoother for me. I gathered wrenches, screwdrivers, and safety gear before starting. Watching tutorial videos and following the manual instructions ensured I replaced parts correctly without damaging the washer.

Maintenance Tips to Prolong Part Life

After replacing parts, I focused on regular maintenance like cleaning filters, checking hoses, and storing the washer properly. This routine helped me avoid frequent replacements and kept my Simpson Power Washer 3100 running efficiently for longer.

Final Thoughts

Buying parts for my Simpson Power Washer 3100 became a straightforward task once I understood the model, identified the right parts, and checked compatibility carefully. Taking the time to research and prepare made the process less stressful and more cost-effective.

Author Profile

Casper Spikes

I’m Casper Spikes, and my journey has been anything but conventional. I started out building businesses from scratch, founding svested back in 2009. We created a mobile gaming platform that gained traction across Southeast Asia, and with two successful funding rounds, we caught the attention of Singtel and SoftBank. That acquisition in 2012 was my first big milestone. After that, I took on the CFO/COO role at Wildfire Pte Ltd, helping the company grow and eventually guiding it to an acquisition by Linkfluence in 2015.

But in 2025, I felt the urge to shift again. Not away from startups, but toward something more personal. I began writing. This time, it wasn’t about decks or equity tables it was about real products people use every day. I started diving into personal product analysis and first-hand usage reviews things I’d always paid attention to but never shared publicly.

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