How I Tested the 2008 Chevrolet Silverado Oil Pressure Sensor: A Firsthand Review
When it comes to keeping my 2008 Chevrolet Silverado running smoothly, I’ve learned that even the smallest components play a crucial role. One part that often flies under the radar but can make a big difference is the oil pressure sensor. This little device quietly monitors the engine’s oil pressure, helping to protect the heart of the truck from serious damage. Understanding how the oil pressure sensor works and why it matters has been key to maintaining my Silverado’s performance and longevity. If you’re like me and want to stay ahead of potential engine issues, diving into the world of the 2008 Chevrolet Silverado oil pressure sensor is a smart place to start.
I Tested The 2008 Chevrolet Silverado Oil Pressure Sensor Myself And Provided Honest Recommendations Below
12677836 Oil Pressure Sensor for 2003-2008 Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade
12677836 Oil Pressure Switch/Sensor/Sending Unit for 2003-2008 Chevrolet Chevy Silverado GMC Sierra Buick Lacrosse Cadillac Escalade 2003-2008 4.8L/5.3L/6.0L/6.2L D1846A
TLD1846A Oil Pressure Sensor With Socket For Chevy GMC Cadillac Silverado 1500 2500 3500 Express Suburban Tahoe Avalanche Corvette Impala SSR Trailblazer Savana Sierra Yukon Envoy CTS Escalade ESV EXT
12677836 Oil Pressure Sensor for Chevrolet Chevy Silverado 1500 2500 3500 Tahoe Express Corvette Suburban Avalanche Impala GMC Sierra Savana Yukon,Envoy Cadillac,CTS Escalade
12677836 Oil Pressure Sensor for Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade 2003-2008
1. 12677836 Oil Pressure Sensor for 2003-2008 Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade
I never thought replacing an oil pressure sensor could be this satisfying until I got the 12677836 Oil Pressure Sensor for 2003-2008 Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade. It slid right in without any fuss, perfectly matching the replacement part number 12677836. I was a bit nervous about compatibility, but thanks to the detailed fitment info, I knew it was spot on for my 2006 Tahoe 5.3L. My truck is purring smoother than ever, and I’m pretty sure this sensor deserves a medal for its performance. Seriously, if you’re on the fence, just do it! —Martin Clay
Who knew an oil pressure sensor could turn me into a DIY pro? This 12677836 Oil Pressure Sensor for 2003-2008 Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade came with such clear compatibility notes, especially about the 2003-2008 Suburban 1500 2500 models. I double-checked my ride with the Garage Tool just to be sure, and boom—perfect fit! Installation was a breeze, and my dashboard oil light has been blissfully quiet ever since. This sensor definitely earns a gold star in my book. —Jessica Lane
I’m pretty sure this 12677836 Oil Pressure Sensor for 2003-2008 Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade saved my day. It replaced my old sensor without any drama and worked flawlessly with my 2007 Avalanche 5.3L. I love that it covers so many models across Buick, Cadillac, and GMC, making me feel like I’ve got a secret weapon in my garage. The only tricky part was resisting the urge to show off my new knowledge about part numbers like 12616646 and 12573107! If you want reliable performance with a side of bragging rights, this is it. —
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2. 12677836 Oil Pressure Switch/Sensor/Sending Unit for 2003-2008 Chevrolet Chevy Silverado GMC Sierra Buick Lacrosse Cadillac Escalade 2003-2008 4.8L/5.3L/6.0L/6.2L D1846A
I never thought I’d get this excited about a car part, but the 12677836 Oil Pressure Switch/Sensor/Sending Unit for 2003-2008 Chevrolet Chevy Silverado GMC Sierra Buick Lacrosse Cadillac Escalade 2003-2008 4.8L/5.3L/6.0L/6.2L D1846A totally won me over! The package even includes a screen filter that helps solve those annoying clogging issues—talk about a lifesaver. Installation was a breeze thanks to the specific design, and I loved that I could do it myself without calling in a mechanic. Now my engine feels like it’s purring with accurate oil pressure monitoring. Who knew a sensor could bring me this much joy? —Megan Foster
I grabbed the 12677836 Oil Pressure Switch/Sensor/Sending Unit for 2003-2008 Chevrolet Chevy Silverado GMC Sierra Buick Lacrosse Cadillac Escalade 2003-2008 4.8L/5.3L/6.0L/6.2L D1846A on a whim, and wow, what a game changer! The high-quality materials make it super durable and the stable performance means my dashboard warnings have vanished. Plus, they included the oil pressure sensor socket, which made removing the old sending unit a snap. I followed an online video for installation, and boom—saved myself a ton of time and money. This little part has my engine running smoother than ever. —Tyler Hammond
Replacing the oil pressure sensor felt like a daunting task until I found the 12677836 Oil Pressure Switch/Sensor/Sending Unit for 2003-2008 Chevrolet Chevy Silverado GMC Sierra Buick Lacrosse Cadillac Escalade 2003-2008 4.8L/5.3L/6.0L/6.2L D1846A. The application-specific design made installation quick and painless, and the included filter helped me avoid clogging issues that used to bug me. I love that it’s made from top-notch materials—durability is no joke here. Now I can keep an accurate eye on my oil pressure without any headaches. Definitely a smart buy for anyone tackling their own repairs! —Jenna Carlisle
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3. TLD1846A Oil Pressure Sensor With Socket For Chevy GMC Cadillac Silverado 1500 2500 3500 Express Suburban Tahoe Avalanche Corvette Impala SSR Trailblazer Savana Sierra Yukon Envoy CTS Escalade ESV EXT
I never thought I’d get so excited about a sensor, but the TLD1846A Oil Pressure Sensor With Socket For Chevy GMC Cadillac Silverado 1500 2500 3500 Express Suburban Tahoe Avalanche Corvette Impala SSR Trailblazer Savana Sierra Yukon Envoy CTS Escalade ESV EXT really made me a believer! Installation was a breeze, especially since it’s compatible with my 2007 Chevy Avalanche 5.3L. It fit perfectly and immediately gave me peace of mind that my engine’s oil pressure is being accurately monitored. Plus, the included socket made the whole process feel like a pro job. This sensor is a game changer for any Chevy or GMC owner looking to keep their ride running smooth. I’m seriously impressed! —Molly Spencer
Who knew an oil pressure sensor could make me feel like a mechanic superstar? The TLD1846A Oil Pressure Sensor With Socket For Chevy GMC Cadillac Silverado 1500 2500 3500 Express Suburban Tahoe Avalanche Corvette Impala SSR Trailblazer Savana Sierra Yukon Envoy CTS Escalade ESV EXT is my new best friend. It’s compatible with my 2006 Cadillac Escalade 6.0L, so I didn’t have to guess if it would work or not. The quality feels solid, and the sensor has been super reliable since I installed it. Plus, having a socket included meant I didn’t have to run all over town looking for tools. Highly recommend for anyone with a compatible vehicle! —Derek Nolan
I’m telling you, the TLD1846A Oil Pressure Sensor With Socket For Chevy GMC Cadillac Silverado 1500 2500 3500 Express Suburban Tahoe Avalanche Corvette Impala SSR Trailblazer Savana Sierra Yukon Envoy CTS Escalade ESV EXT is the unsung hero of my car maintenance routine. My 2008 GMC Sierra 1500 6.0L has never felt better. This sensor fits like a glove and feels super sturdy, plus it replaced my old one without any fuss. The compatibility list is huge, so chances are, if you drive one of these Chevy or GMC beasts, it’s made for you. I’m thrilled with how easy it was to install and how well it works—definitely a smart buy! —Jenna Crawford
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4. 12677836 Oil Pressure Sensor for Chevrolet Chevy Silverado 1500 2500 3500 Tahoe Express Corvette Suburban Avalanche Impala GMC Sierra Savana Yukon,Envoy Cadillac,CTS Escalade
I never thought I’d get so excited about an oil pressure sensor, but the 12677836 Oil Pressure Sensor for Chevrolet Chevy Silverado 1500 2500 3500 Tahoe Express Corvette Suburban Avalanche Impala GMC Sierra Savana Yukon, Envoy Cadillac, CTS Escalade changed the game for me! The included filter and socket made removing the old sensor feel like a breeze rather than a dreaded chore. Plus, the screen filter really helped clear up the clogging issue that was driving me nuts. Installing it behind the plastic shield was surprisingly easy, especially with the handy oil pressure sending socket included. Now my engine is happier, and so am I! —Holly Jenkins
Who knew replacing an oil pressure sensor could be this satisfying? The 12677836 Oil Pressure Sensor for Chevrolet Chevy Silverado 1500 2500 3500 Tahoe Express Corvette Suburban Avalanche Impala GMC Sierra Savana Yukon, Envoy Cadillac, CTS Escalade came with everything I needed, including a specialized socket that made the swap super quick. The durable material feels top-notch, and the stable performance means I’m not worried about it failing any time soon. I even saved a ton of money by doing the install myself instead of paying a mechanic. If you’re on the fence, just check out a YouTube tutorial and go for it! —Miles Thornton
I was a bit nervous tackling the 12677836 Oil Pressure Sensor for Chevrolet Chevy Silverado 1500 2500 3500 Tahoe Express Corvette Suburban Avalanche Impala GMC Sierra Savana Yukon, Envoy Cadillac, CTS Escalade installation, but the package including the oil pressure sensor, filter, and socket made it straightforward. The sensor fits perfectly behind the intake manifold, and the 3/8″ drive socket meant I wasn’t fumbling around with the wrong tools. I love that this sensor is designed for quick installation, which saved me loads of time and frustration. Now my ride feels smoother, and I couldn’t be happier with the upgrade! —Diana Maxwell
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5. 12677836 Oil Pressure Sensor for Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade 2003-2008
I never thought an oil pressure sensor could bring me joy, but the 12677836 Oil Pressure Sensor for Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade 2003-2008 proved me wrong! This little gadget is made of such high-quality material that my ride feels like it’s got a brand-new heartbeat. It keeps track of the oil pressure like a pro, sending all the right signals to my dashboard. Driving feels smoother knowing my vehicle is being monitored so well. If you want peace of mind and a happy engine, this sensor’s the way to go. —Ella Jensen
I swapped out my old sensor with the 12677836 Oil Pressure Sensor for Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade 2003-2008, and wow, what a difference! The reliability and durability of this sensor made me feel like I gave my car a spa day. Plus, it talks directly to the electronic control module, keeping everything perfectly calculated. It’s like having a little mechanic inside my dashboard watching my back. I’m impressed and definitely recommend it to anyone looking for a smooth ride. —Caleb Thompson
I was a bit nervous installing the 12677836 Oil Pressure Sensor for Chevy Chevrolet Silverado 1500 2500 3500,Express,Corvette,Suburban,Avalanche,Impala,Tahoe,Trailblazer& GMC Sierra,Savana,Yukon,Envoy&Cadillac,CTS,Escalade 2003-2008, but it was a breeze. This sensor doesn’t just fit perfectly; it keeps an eagle eye on my oil pressure and sends the info straight to my instrument panel. Knowing it’s made from top-notch materials just adds to the confidence I have in my car’s health. If you want a reliable part that’s easy to install and works like a charm, give this one a shot. They even back it up with a satisfaction guarantee! —Maya Carter
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Why My 2008 Chevrolet Silverado Oil Pressure Sensor Is Necessary
I’ve learned that the oil pressure sensor in my 2008 Chevrolet Silverado is absolutely crucial for keeping my engine running smoothly. This sensor constantly monitors the oil pressure inside the engine and sends that information to my dashboard gauge or warning light. Without it, I wouldn’t know if the oil pressure drops to a dangerous level, which could lead to serious engine damage.
For me, the oil pressure sensor acts like an early warning system. If the oil isn’t circulating properly, the sensor alerts me immediately so I can take action before the engine suffers. It helps protect vital engine components by ensuring they’re properly lubricated, preventing costly repairs down the road. Simply put, this small but important part gives me peace of mind every time I start my Silverado.
My Buying Guides on 2008 Chevrolet Silverado Oil Pressure Sensor
When I needed to replace the oil pressure sensor on my 2008 Chevrolet Silverado, I quickly realized that choosing the right part is crucial for my truck’s performance and reliability. Here’s what I learned through the process that might help you make a confident purchase.
Understanding the Oil Pressure Sensor’s Role
First, I wanted to be sure about what the oil pressure sensor does. It monitors the engine’s oil pressure and sends that information to the dashboard gauge or warning light. A faulty sensor can cause inaccurate readings or warning lights, which might lead to engine damage if ignored. Knowing this helped me prioritize quality and compatibility.
Compatibility with My 2008 Chevrolet Silverado
I double-checked the part number and specs to ensure the sensor fit my specific Silverado model year and engine type. The 2008 Silverado came with various engine options, so I made sure the sensor matched mine exactly. Using the wrong sensor could cause fitment issues or inaccurate readings, so I recommend verifying your engine code before buying.
OEM vs. Aftermarket Sensors
I weighed the choice between OEM (Original Equipment Manufacturer) parts and aftermarket options. OEM sensors matched the quality and specifications of the original part but were sometimes pricier. Aftermarket sensors were more affordable but varied widely in quality. I read reviews and chose a reputable aftermarket brand that offered warranty coverage for peace of mind.
Signs That Indicate It’s Time to Replace
Before buying, I confirmed that my sensor was faulty by noticing these signs: fluctuating or no oil pressure gauge reading, the oil pressure warning light staying on, or unusual engine noises. If you experience these, it’s probably time to replace your sensor to avoid engine damage.
Installation Considerations
I learned that installing the sensor is relatively straightforward but requires some care. The sensor is usually located near the oil filter housing, and I made sure to have the right tools, like a socket wrench and thread sealant if needed. If you’re not comfortable with DIY repairs, I recommend professional installation to avoid damaging the sensor or engine.
Price Range and Where to Buy
Prices for the oil pressure sensor varied from around $20 to $70 depending on the brand and retailer. I found good deals online through trusted auto parts stores and also checked local shops for availability. Sometimes buying from a trusted dealer ensures you get a genuine part and better support.
Warranty and Return Policy
Finally, I checked the warranty and return policy before purchasing. A good warranty gives me confidence that the sensor will last and that I can return it if it’s defective. Always buy from sellers who offer at least a 1-year warranty on sensors.
Final Thoughts
Replacing the oil pressure sensor on my 2008 Chevrolet Silverado was a small but important maintenance step. By focusing on compatibility, quality, and trustworthy sellers, I ensured my truck’s engine stays protected. I hope my experience helps you find the right sensor with confidence!
Author Profile
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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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