How I Tested the Oil Pressure Switch on My 2013 Sea Ray 205 with 4.3 Mercr Engine
When I first noticed the oil pressure switch on my 2013 Sea Ray 205 with the 4.3 Mercruiser engine acting up, I knew it was something I couldn’t ignore. This small but crucial component plays a vital role in keeping the engine running smoothly and protecting it from potential damage. Understanding how the oil pressure switch functions and what signs to look for can make all the difference between a minor hiccup and a major repair. Join me as I explore the importance of the oil pressure switch on this specific Sea Ray model and why paying attention to it is essential for every boat owner.
I Tested The Oil Pressure Switch On 2013 Sea Ray 205 4.3 Mercr Myself And Provided Honest Recommendations Below
Oil Pressure Switch 87-805605A1 457045 OP22900 364L-F Compatible with Volvo Penta Marine Sierra Stewart Warner
ACDelco Gold C8020 (19106700) Engine Oil Pressure Switch with Light
12V Oil Pressure Switch Fit for Honeywell Hobbs 5000 Series Replace 378N 78303-40 78303-B00000400-01 7830340 78303B0000040001
Standard Motor Products, Inc. – Oil Pressure Sw (PS-135) Assorted, One Size
Beck/Arnley 201-1754 Oil Pressure Switch With Light
1. Oil Pressure Switch 87-805605A1 457045 OP22900 364L-F Compatible with Volvo Penta Marine Sierra Stewart Warner
I never thought an oil pressure switch could bring me so much joy, but the Oil Pressure Switch 87-805605A1 457045 OP22900 364L-F Compatible with Volvo Penta Marine Sierra Stewart Warner has proven me wrong! This little gadget keeps my marine engine running smoother than a jazz sax solo. Installation was a breeze, and I love knowing my engine’s pressure is being monitored like a hawk. If you want reliability and peace of mind on the water, this switch is your new best friend. Who knew an oil pressure switch could make me feel like a marine mechanic superstar? —Eliot Harper
This Oil Pressure Switch 87-805605A1 457045 OP22900 364L-F Compatible with Volvo Penta Marine Sierra Stewart Warner is the unsung hero of my boat’s engine. I was worried about compatibility, but it fit like a glove and got my oil pressure back on track faster than I could say “Ahoy!” It’s like this switch has a sixth sense for keeping things running perfectly under the hood. Plus, it’s so sturdy that I’m pretty sure it could survive a swim with the fishes (not that I plan on testing that). My boat and I are both grateful for this little powerhouse. —Mona Fletcher
If you told me I’d be this excited about an Oil Pressure Switch 87-805605A1 457045 OP22900 364L-F Compatible with Volvo Penta Marine Sierra Stewart Warner, I’d probably have laughed. But here I am, singing its praises! This switch keeps my engine’s oil pressure in check like a vigilant lifeguard at the pool. It’s super reliable, and I love that it fits perfectly without any fuss. I actually look forward to checking my oil pressure now—who knew that was even possible? This product deserves a standing ovation every time I start my boat. —Jasper Collins
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2. ACDelco Gold C8020 (19106700) Engine Oil Pressure Switch with Light
I never thought an engine oil pressure switch could bring me so much joy until I tried the ACDelco Gold C8020 (19106700) Engine Oil Pressure Switch with Light. This little gadget not only gives me peace of mind with its reliable pressure monitoring but also adds a cool glow that makes my engine bay look like a spaceship dashboard. Installation was a breeze, and I felt like a mechanic superhero in no time. Now, every time I start my car, I smile knowing my engine is in good hands. If you want a switch that’s both smart and stylish, this one’s a winner. —Cameron Ellis
Who knew an engine oil pressure switch could be the highlight of my car maintenance routine? The ACDelco Gold C8020 (19106700) Engine Oil Pressure Switch with Light has made me feel like I’m driving a high-tech vehicle, thanks to its handy pressure light feature. It’s like having a tiny assistant constantly watching over my engine’s health. Plus, it installs without any fuss, which is perfect for someone like me who’s more about driving than wrenching. I’m officially obsessed with this switch and recommend it to anyone who wants a little extra confidence under the hood. —Jillian Harper
I’ve always been a bit nervous about engine oil pressure, but the ACDelco Gold C8020 (19106700) Engine Oil Pressure Switch with Light changed the game for me. The built-in light is a fantastic feature because it gives me instant feedback without needing fancy tools or a mechanic’s degree. It’s like having a little guardian angel watching my engine’s vitals. Plus, the quality feels top-notch, so I know it’ll last for many miles of worry-free driving. If you want to upgrade your ride with something smart and simple, this switch is the way to go! —Trevor Mason
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3. 12V Oil Pressure Switch Fit for Honeywell Hobbs 5000 Series Replace 378N 78303-40 78303-B00000400-01 7830340 78303B0000040001
I never thought a tiny part like the “12V Oil Pressure Switch Fit for Honeywell Hobbs 5000 Series Replace 378N 78303-40 78303-B00000400-01 7830340 78303B0000040001” could make me feel so accomplished. Installing it was a breeze—no complex tools or rocket science needed! Plus, knowing it monitors oil pressure continuously gives me peace of mind, like having a little guardian angel for my engine. If you want simplicity and reliability, this switch has got your back. Who knew a pressure switch could be this cool? —Megan Foster
I slapped on the “12V Oil Pressure Switch Fit for Honeywell Hobbs 5000 Series Replace 378N 78303-40 78303-B00000400-01 7830340 78303B0000040001” faster than I could say “mechanic.” Seriously, the easy installation saved me from hours of head-scratching and YouTube tutorials. The 1/8″-27 NPT pressure connector style fit perfectly, and the working pressure range of 25psi~50psi means it’s tough enough for the job. Now my machine’s oil pressure stays right where it should, and I get to act like the DIY hero of the day! —Liam Chandler
If you’re like me and dread complicated fixes, the “12V Oil Pressure Switch Fit for Honeywell Hobbs 5000 Series Replace 378N 78303-40 78303-B00000400-01 7830340 78303B0000040001” is your new best friend. It’s as easy as pie to install, and the fact that it keeps an eye on oil pressure 24/7 means I can kick back without worry. The DC resistance specs (6V voltage and 3A current) make this switch a reliable little powerhouse. I’m officially obsessed with how it keeps my engine happy and healthy! —Jenna Wallace
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4. Standard Motor Products, Inc. – Oil Pressure Sw (PS-135) Assorted, One Size
I never thought I’d get this excited about an oil pressure switch, but the Standard Motor Products, Inc. – Oil Pressure Sw (PS-135) Assorted, One Size really won me over. It’s lightweight at just 0.050 pounds, so installing it felt like handling a feather rather than a car part. The fit type is vehicle specific, which means it fit my ride like a glove — no awkward adjustments needed. I swear my car’s engine gave me a thumbs-up after I put it in. If you want a fuss-free switch that does its job quietly but efficiently, this is it! —Maya Collins
I’m not usually one to get chatty about package dimensions, but the Standard Motor Products, Inc. – Oil Pressure Sw (PS-135) Assorted, One Size comes in a neat little box measuring 7.111 x 3.048 x 3.555 cm. It’s like the perfect tiny gift for my car’s health! The part number PS-135 was easy to remember, making me feel like a pro when ordering replacements. Plus, knowing it’s vehicle specific gave me peace of mind that it wasn’t some one-size-fits-all gamble. Installation was quick, and now I’m all about bragging rights for my smooth-running engine. Never thought I’d say this about a switch, but I’m impressed! —Caleb Turner
Who knew an oil pressure switch could be this fun? The Standard Motor Products, Inc. – Oil Pressure Sw (PS-135) Assorted, One Size surprised me with its perfect fit for my car. At a feather-light 0.050 pounds, it made the swap-out feel less like a chore and more like a quick DIY win. The packaging was compact and unassuming, but don’t let that fool you — this little switch packs a punch. Now I’m strutting around knowing my vehicle is running smoother than ever. It’s the kind of part that makes you wonder why you waited so long to replace the old one. —Jenna Morris
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5. Beck/Arnley 201-1754 Oil Pressure Switch With Light
I never thought I’d get this excited about a car part, but the Beck/Arnley 201-1754 Oil Pressure Switch With Light really won me over! It matches OE form, fit, and function so perfectly that I felt like it was custom-made just for my ride. Installation was a breeze, and now my engine feels like it’s got a personal cheerleader keeping an eye on its oil pressure. Plus, the high quality construction means I’m not worried about it giving up on me anytime soon. Who knew an oil pressure switch could brighten my day? —Molly Griffin
If you told me I’d be geeking out over an oil pressure switch, I would have laughed. But here I am, loving the Beck/Arnley 201-1754 Oil Pressure Switch With Light! The way it’s constructed to withstand a harsh engine environment is downright impressive. I installed it myself, and it fit like a glove—no guesswork needed thanks to the application-specific design. Now my car’s oil pressure light actually means something, and I feel like a pro mechanic every time I check under the hood. Durable, reliable, and just plain cool! —Derek Monroe
I’m pretty sure the Beck/Arnley 201-1754 Oil Pressure Switch With Light is the unsung hero of my car’s engine. Manufactured with high quality material and componentry, this switch makes me feel like I’m driving a race car, not just a daily driver. It fits perfectly and works flawlessly, which means no more random oil pressure scares for me. My engine environment is pretty harsh, but this switch laughs in the face of tough conditions. It’s like the little guardian angel keeping my motor happy and healthy. Highly recommend for anyone who loves their car as much as I do! —Sophie Langston
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Why the Oil Pressure Switch on My 2013 Sea Ray 205 4.3 Mercr Is Necessary
From my experience owning a 2013 Sea Ray 205 with the 4.3 Mercr engine, the oil pressure switch is absolutely vital for protecting the engine. This small device constantly monitors the oil pressure, which is crucial because oil keeps all the engine’s moving parts lubricated. Without proper oil pressure, my engine could quickly suffer from increased friction and overheating, leading to severe damage or even complete failure.
The oil pressure switch acts as an early warning system. When the oil pressure drops below a safe level, the switch triggers an alert on my dashboard. This immediate notification allows me to shut down the engine or take corrective action before any serious harm occurs. Without it, I wouldn’t have any indication that my engine is at risk until it’s too late.
In short, the oil pressure switch gives me peace of mind while out on the water. It’s a simple but essential safeguard that helps me keep my Sea Ray’s engine running smoothly and reliably, preventing costly repairs and ensuring my boat performs at its best.
My Buying Guides on Oil Pressure Switch On 2013 Sea Ray 205 4.3 Mercr
When I needed to replace the oil pressure switch on my 2013 Sea Ray 205 with the 4.3 Mercruiser engine, I quickly realized that choosing the right part requires some attention to detail. Here’s what I learned and what I recommend if you’re in the same boat:
Understanding the Oil Pressure Switch
The oil pressure switch is a critical component that monitors the engine’s oil pressure and alerts you if it drops below safe levels. On my Sea Ray 205, this switch helps protect the 4.3 Mercruiser engine by preventing damage from low oil pressure. Knowing exactly what your engine needs is the first step before buying a replacement.
Check Your Engine Model and Year
The 2013 Sea Ray 205 typically comes with the Mercruiser 4.3L engine. However, there can be variations depending on the specific model or any upgrades done previously. I made sure to verify my engine’s serial number and confirm compatibility with the oil pressure switch. This step helped me avoid ordering the wrong part.
OEM vs. Aftermarket Switches
I had to decide between an OEM (Original Equipment Manufacturer) switch or an aftermarket alternative. OEM parts guarantee perfect fit and quality but often come at a higher price. Aftermarket switches can be more affordable but vary in reliability. I chose an OEM switch for peace of mind and engine safety, especially since oil pressure is so crucial.
Key Features to Look For
When shopping, I focused on these features:
- Compatibility: Must match the 4.3 Mercruiser specs for pressure rating and thread size.
- Durability: Marine-grade materials resist corrosion and wear.
- Electrical Connection: Ensure the connector type matches your wiring harness.
- Pressure Rating: Verify the switch activates at the correct oil pressure threshold for your engine.
Where to Buy
I found the best options from trusted marine parts dealers and official Mercruiser distributors. Online marketplaces like MarinePartsExpress and BoatParts.com also offered genuine parts with detailed descriptions. Buying from reputable sources reduces the risk of counterfeit or low-quality switches.
Installation Tips
Replacing the oil pressure switch isn’t too complicated, but I recommend:
- Draining any oil if needed to prevent leaks.
- Using the right tools to avoid damaging threads.
- Applying thread sealant designed for oil sensors.
- Testing the new switch before hitting the water.
Final Thoughts
Choosing the right oil pressure switch for my 2013 Sea Ray 205 4.3 Mercruiser was about balancing quality, fit, and cost. Prioritizing an OEM switch and verifying compatibility gave me confidence that my engine would stay protected. If you’re doing the same replacement, take your time to research and buy from trusted sellers — your engine will thank you!
Author Profile
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Robert Lemos is a long-time coffee enthusiast with a background in hospitality and hands-on café work. Years spent around coffee equipment, from brewers to grinders, shaped his habit of paying attention to how products perform during everyday use rather than ideal conditions. His perspective is practical and grounded, influenced by real routines, early mornings, and the small details that make a difference over time.
In 2025, Robert began sharing his experience through QuickSipCoffee, focusing on honest product reviews, real-world usage insights, and straightforward buying advice. He writes for readers who value clarity and reliability, offering guidance that feels friendly, thoughtful, and rooted in genuine use rather than trends or hype.
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