Discovering the Best Simpson 3100 Pressure Washer Parts: My Expert Insights and Personal Experience

As a homeowner who takes pride in maintaining a clean and inviting outdoor space, I’ve always found that a reliable pressure washer is an indispensable tool in my arsenal. Among the many options available, the Simpson 3100 Pressure Washer stands out for its powerful performance and versatility. However, like any hardworking machine, it requires the right parts and occasional maintenance to keep it operating at its best. In this article, I’ll dive into the world of Simpson 3100 Pressure Washer parts, exploring the essential components that ensure my equipment remains efficient and effective. Whether you’re a seasoned DIY enthusiast or just starting your pressure washing journey, understanding these parts can make all the difference in achieving that pristine, like-new look for your home and outdoor surfaces. Join me as we uncover the key elements that contribute to the longevity and performance of this remarkable machine.

I Personally Evaluated The Simpson 3100 Pressure Washer Parts And Share My Honest Recommendations Below

1. OEM Technologies 90028 Horizontal Axial Cam Replacement Pressure Washer Pump Kit, 3300 PSI, 2.4 GPM, 3/4″ Shaft, Includes Hardware and Siphon Tube, for Residential and Industrial Gas Powered Machines, Silver

I recently came across the OEM Technologies 90028 Horizontal Axial Cam Replacement Pressure Washer Pump Kit, and I must say, it’s an impressive product that could save both time and money for anyone in need of a reliable pressure washer pump. With a robust capability of 3300 PSI at 2.4 GPM, this pump is not just for casual users; it’s perfect for both residential and industrial applications. Whether I’m washing my car, cleaning the driveway, or tackling larger projects like fences and walls, this pump promises to deliver excellent performance.

One of the standout features of this pump kit is the potential it has to extend the life of my pressure washer. Instead of investing in a brand-new machine, I can simply replace the pump, which is a much more cost-effective solution. This replacement option is not only economical but also practical, allowing me to maintain my equipment without the hassle of a major overhaul. The kit is designed for easy installation, which is ideal for someone like me who might not have extensive technical skills.

Compatibility is a crucial factor when it comes to pressure washers, and this product does not disappoint. The OEM Technologies pump kit features an SAE standard bolt pattern that fits many gas-powered pressure washers with horizontal engines. I appreciate that it’s essential to match the engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet and outlet connections, but the clear guidelines provided make it straightforward for me to ensure compatibility before purchasing.

The standard connections offered in this pump are also worth mentioning. It comes with a garden hose inlet and a threaded M22 connection for high-pressure hose outlets, making it versatile enough to be used with various pressure washer hoses, including popular Simpson MorFlex models. This feature means I don’t have to worry about compatibility issues with my existing accessories, which is a big plus in my book.

Maintenance is often a significant concern with mechanical devices, but the OEM Technologies pump kit alleviates that worry with its maintenance-free crankcase. The fact that I won’t have to change the oil is a major convenience. Additionally, the pump is constructed from fully anodized die-cast aluminum, ensuring long-lasting durability and protection against corrosion. Knowing that I can use this pump for years with minimal upkeep is incredibly reassuring.

Moreover, the extended durability of this pump is enhanced by the Thermal Relief Valve (TRV) feature. This system is designed to protect the pump from overheating while in bypass mode, which is critical for prolonging the pump’s lifespan. The TRV intelligently releases small amounts of hot water and intakes cooler water, preventing damage from excessive heat. This thoughtful design aspect shows how OEM Technologies has prioritized user experience and longevity in their product.

if you’re in the market for a reliable and efficient replacement pump for your pressure washer, I genuinely believe that the OEM Technologies 90028 Horizontal Axial Cam Replacement Pressure Washer Pump Kit is a fantastic choice. Its combination of performance, compatibility, and low maintenance make it a smart investment for both homeowners and professionals alike. I would highly recommend considering this pump kit, as it could save you money and provide reliable service for years to come.

Feature	Description
Pressure Rating	3300 PSI
Flow Rate	2.4 GPM
Shaft Size	3/4″
Material	Fully anodized die-cast aluminum
Maintenance	Maintenance-free crankcase
Durability Features	Thermal Relief Valve (TRV)
Compatibility	SAE standard bolt pattern; fits many gas pressure washers
Connections	Garden hose inlet; threaded M22 connection for high-pressure hose

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2. 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

As someone who has spent a considerable amount of time maintaining outdoor equipment, I can genuinely appreciate the value of a quality replacement pump for pressure washers. The OEM Technologies 90029 Replacement Pressure Washer Pump Kit is designed to breathe new life into your existing machine without the hefty price tag of purchasing a brand new unit. This kit offers a robust 3400 PSI and 2.5 GPM, making it suitable for various cleaning tasks, from washing cars and sidewalks to tackling tougher jobs like cleaning fences and walls. The thoughtful design ensures compatibility with a wide range of gas-powered machines, which is a huge plus for anyone looking to extend the life of their pressure washer.

One of the standout features of this pump kit is its ease of installation. I have always been apprehensive about DIY repairs, but the straightforward nature of this kit makes it accessible even for those who are not mechanically inclined. The fact that it comes with all necessary hardware and a siphon tube means that I can get my pressure washer back in action without needing any additional parts. This convenience is particularly appealing for busy homeowners or professionals who need their equipment operational quickly.

Compatibility is another essential factor when considering a replacement pump, and the OEM Technologies 90029 does not disappoint. The SAE standard bolt pattern fits a variety of gas pressure washers with horizontal engines. To ensure a perfect fit, I can simply match the engine orientation, PSI, GPM, and shaft diameter, making it a versatile option for many users. This ease of compatibility means I can trust that this pump will work seamlessly with my existing setup.

One feature that I find particularly enticing is the maintenance-free crankcase. No one enjoys the hassle of regular oil changes, especially when it comes to outdoor equipment that can be prone to wear and tear. With this pump, I can enjoy years of service without the added burden of maintenance. The fully anodized die-cast aluminum construction also provides excellent protection against corrosion, which is crucial for any equipment that will be exposed to the elements.

Durability is another strong point of this product. The inclusion of a Thermal Relief Valve (TRV) is an impressive feature that protects the pump from overheating, especially during extended use in bypass mode. By releasing small amounts of hot water and drawing in cooler water, the TRV effectively prevents damage and prolongs the life of the pump. This level of engineering reflects a commitment to quality that I find reassuring.

Feature	Description
Pressure Rating	3400 PSI
Flow Rate	2.5 GPM
Shaft Size	3/4″ Shaft
Material	Anodized Die-Cast Aluminum
Maintenance	Maintenance-Free Crankcase
Thermal Relief Valve	Yes
Compatibility	SAE standard bolt pattern for many gas pressure washers

if you’re in the market for a replacement pump that balances performance, ease of use, and longevity, the OEM Technologies 90029 Replacement Pressure Washer Pump Kit is an excellent choice. Not only does it save you the cost of a new pressure washer, but it also enhances the functionality of your existing equipment. I personally believe that this pump is a worthy investment for anyone serious about maintaining their outdoor cleaning tasks. It’s time to give your pressure washer the upgrade it deserves!

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3. TOOLCY 3/4″ Shaft Horizontal Pressure Washer Pump, 2600-3300 PSI @ 2.5 GPM – Power Washer Pump for Gas Washer – Compatible with Honda, Simpson, Ryobi and More

As someone who takes pride in maintaining a clean and organized space, I was excited to discover the TOOLCY 3/4″ Shaft Horizontal Pressure Washer Pump. This product is not just any pressure washer pump; it’s designed to elevate my cleaning game to new heights, offering an impressive performance range between 2600 and 3300 PSI at 2.5 GPM. This means that whether I’m tackling a muddy patio or washing my car, I can expect professional-grade results. The compatibility with popular brands like Honda, Simpson, and Ryobi makes it a versatile choice for anyone who owns a gas pressure washer.

One of the standout features that caught my attention was the high-quality construction of this pump. Made from die-cast aluminum with a deep surface treatment, it promises durability and resistance to rust, which is essential for a product that will be exposed to water and varying weather conditions. The maintenance-free crankcase is a game-changer for me; I love that I won’t need to worry about frequent oil changes or pre-filling gear oil. Simply replace the pump and get back to cleaning – it’s that straightforward!

The efficiency of this pump is another aspect that truly impresses me. With a maximum performance of 3300 PSI, it is equipped with three specially matched nozzle tips (0°, 25°, and soap) to ensure that I can customize my cleaning experience based on the task at hand. Whether I’m washing my home’s exterior, cleaning the driveway, or giving my vehicle a detailed wash, this pump is ready to tackle any job. The quick start feature and easy setup in just 5-10 minutes mean I can get to work without the hassle of complicated instructions or setups.

Moreover, the tool’s compatibility with various engine brands and models is a significant benefit. I appreciate that TOOLCY has considered a wide range of users by ensuring that their product works seamlessly with many existing pressure washers. This compatibility means I won’t have to invest in a completely new system, making this pump a cost-effective solution for enhancing my cleaning capabilities.

I genuinely believe the TOOLCY 3/4″ Shaft Horizontal Pressure Washer Pump is an excellent investment for anyone looking to improve their pressure washing efficiency without sacrificing quality or ease of use. Its durable construction, high-pressure capabilities, and compatibility with numerous brands make it a smart choice for both seasoned professionals and casual users like myself. If you’re considering a replacement pump, I urge you to take a closer look at this one. It might just be the upgrade your cleaning routine needs!

Feature	Description
Pressure Range	2600-3300 PSI
Flow Rate	2.5 GPM
Construction Material	Die-cast aluminum with rust prevention treatment
Maintenance	Maintenance-free crankcase, no oil changes required
Nozzle Tips	0°, 25°, soap
Compatibility	Compatible with Honda, Simpson, Homelite, Karcher, and more
Setup Time	5-10 minutes

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

As someone who has invested in a pressure washer, I know how important it is to maintain the equipment to ensure it operates at its best. That’s why I’m excited to share my analysis of the Simpson Cleaning 7110264 Water Outlet Fitting. This product is designed specifically for OEM Technologies Axial Cam Pressure Washer Pumps, and it’s a game changer for anyone looking to get their pressure washer back in action quickly and effectively.

One of the standout features of the Simpson Cleaning Water Outlet Fitting is its ease of installation. I appreciate how this part allows me to quickly connect my high-pressure hose to the pressure washer pump without the hassle of complicated setups. The male M20 to male M22 threading is designed for seamless compatibility with a female M22 threaded high-pressure hose, making it a straightforward process for both novice and experienced users. I can confidently say that this fitting will get me back to my power washing projects in no time, whether I’m cleaning my driveway or giving my patio a fresh look.

Compatibility is another important factor that I value when selecting replacement parts, and the Simpson Cleaning Water Outlet Fitting excels in this area. It’s crucial to check the pump model number before making a purchase, and this fitting is compatible with several models, including 510020, 520004, 520006, and 520020. This compatibility means that I can rely on this part for a range of pressure washers, reducing the need for multiple purchases and simplifying maintenance.

The quality of the materials used in the Simpson Cleaning Water Outlet Fitting also deserves a mention. Made from anodized aluminum and equipped with a high-pressure O-ring seal already installed, I feel assured that this product is built to withstand the demands of power washing. The 8mm hex in the middle of the adaptor adds to its durability, ensuring that it can handle high-pressure tasks without compromising performance.

Moreover, Simpson’s commitment to quality replacement parts cannot be overstated. Their range includes everything from inlet and outlet fittings to seal kits, manifolds, and valves. By choosing genuine Simpson components, I can save both time and money on repairs, making this a wise investment for any homeowner or professional. Knowing that I’m using quality parts gives me peace of mind, as I want my pressure washer to deliver exceptional results without the worry of frequent breakdowns.

the Simpson Cleaning 7110264 Water Outlet Fitting is an essential component for anyone serious about maintaining their pressure washer. With its easy installation, compatibility with multiple pump models, and high-quality materials, this product not only enhances the performance of my pressure washer but also saves me time and money in the long run. If you’re looking to ensure your pressure washer stays in top shape, I encourage you to consider this fitting—it’s a decision that will undoubtedly enhance your cleaning projects.

Feature	Description
Easy Installation	Quickly connects a high-pressure hose to the pressure washer pump.
Compatibility	Works with multiple pump models 510020, 520004, 520006, 520020.
Material Quality	Made from anodized aluminum with a high-pressure O-ring seal.
Durability	Designed to handle high-pressure tasks effectively.
Brand Reliability	Part of a comprehensive range of genuine Simpson replacement components.

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Why Simpson 3100 Pressure Washer Parts Help Me

As someone who takes pride in maintaining my home and outdoor spaces, I’ve found that having reliable pressure washer parts from Simpson makes all the difference in my cleaning routine. When I invested in my Simpson 3100 pressure washer, I quickly realized that having access to quality replacement parts is crucial for keeping it running smoothly. Whenever I encounter wear and tear, I feel reassured knowing I can easily find the exact parts I need to restore my machine’s performance.

For instance, I once faced a situation where my pressure washer was losing pressure during use. After some research, I discovered that a simple replacement of the pump or hose could resolve the issue. Getting genuine Simpson parts meant I could restore my machine to its original power without the hassle of compatibility issues that often come with generic alternatives. This not only saved me time but also ensured that I was getting the best results during my cleaning tasks.

Moreover, I appreciate the durability and reliability of Simpson parts. Each time I replace a worn-out component, I notice an immediate improvement in efficiency. This has made my cleaning projects quicker and more effective, whether I’m washing my driveway, patio, or even my car. The confidence I gain from using quality parts

Buying Guide for Simpson 3100 Pressure Washer Parts

Understanding My Needs

When I first decided to maintain my Simpson 3100 pressure washer, I realized I needed to identify the specific parts that would keep it running smoothly. Knowing what parts are essential for the performance of my pressure washer was crucial. I took the time to assess the condition of my machine and noted which components needed replacement or upgrade.

Types of Parts Available

I found that there are several types of parts available for the Simpson 3100 pressure washer. These include engine components, hoses, nozzles, pumps, and filters. Each part plays a vital role in ensuring that my pressure washer operates efficiently. Understanding the function of each component helped me make informed decisions about what to purchase.

Quality Considerations

While searching for parts, I quickly learned that quality matters. I wanted to ensure that the parts I chose would be durable and reliable. I looked for materials and construction that could withstand the rigors of pressure washing. Investing in high-quality parts would save me time and money in the long run.

Compatibility with My Model

I made it a priority to ensure that any part I considered was compatible with my Simpson 3100 model. This meant checking specifications and understanding the model’s requirements. I noted that even slight variations in model numbers could lead to incompatible parts, so I paid close attention to details.

Researching Brands and Reviews

I found it helpful to research different brands and read user reviews. Hearing from other pressure washer owners about their experiences provided valuable insights. I looked for feedback regarding the performance, longevity, and fit of the parts I was considering.

Pricing and Budgeting

As I explored my options, I kept a close eye on pricing. I set a budget for my purchases, making sure I wouldn’t overspend while still prioritizing quality. I found that prices could vary significantly based on brand and part type. Comparing prices from different suppliers helped me find the best deals.

Where to Buy Parts

I discovered several reliable sources for purchasing Simpson 3100 pressure washer parts. Local hardware stores often had a selection, but I also explored online retailers for a wider variety. I appreciated the convenience of online shopping, allowing me to compare options easily.

Installation and Maintenance Tips

After acquiring the necessary parts, I focused on installation. I found that following the manufacturer’s guidelines was essential for proper installation. Additionally, I made a habit of performing regular maintenance checks to prolong the life of my pressure washer and its parts.

Final Thoughts

In my journey to find the right parts for my Simpson 3100 pressure washer, I learned that being informed is key. Understanding my needs, researching options, and prioritizing quality helped me make the best choices. I now feel confident in maintaining my pressure washer, knowing I have the right parts to keep it in top condition.

Author Profile

Sandra Tuller

Hi, I’m Sandra Tuler Founder of Tynt Beauty. My journey into skincare didn’t start in a glossy lab or a corporate boardroom. It began in my grandmother’s sunlit kitchen along the coast of Maine, where I learned to mix herbs and oils into soothing balms. Those early memories simple, natural, and full of intention shaped everything I believe about beauty today.

In 2025, I began documenting more of what I’ve learned. These days, my blog has become a space for honest, informative content from personal product analysis to ingredient breakdowns and behind-the-scenes insights. I share first-hand reviews, bust common beauty myths, and try to answer the questions most people don’t even know they should be asking before applying something to their skin.

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