Chrysler Concorde 1993-2004: Engine Oil Pressure Switch Guide
Understanding the signs of a failing oil pressure switch can save your Concorde's engine from serious damage.
- A flickering oil light is the most common symptom of a bad switch, but it must be taken seriously, especially on 2.7L engines known for oil sludge.
- This is a simple and inexpensive DIY repair that requires basic tools and a special oil pressure switch socket.
- Quality aftermarket brands like Standard Ignition offer reliable performance and are a cost-effective alternative to OEM parts.
- Always verify the actual cause of an oil pressure warning; never assume it's just the switch without checking the oil level first.
Is Your Concorde's Oil Light Flickering?
A flickering oil light, especially at idle, is a classic sign of a potential issue in 1993-2004 Chrysler Concordes. While it can indicate a serious problem, it is often caused by a failing engine oil pressure switch. This component is a simple sensor that reads the oil pressure and tells the warning light on your dash when to turn on. Over time, these switches can wear out, start to leak, or send false signals. Replacing a faulty switch is an inexpensive repair that can prevent a lot of stress and potentially save you from a much more expensive 🎬 Watch this video to learn more about bad sensor symptoms. engine problem down the road.
A Special Note for 2.7L V6 Owners (1998-2004)
If you have the 2.7L engine, you must take any oil light warnings seriously. This engine is known for developing oil sludge, which can block oil passages and lead to catastrophic engine failure. A flickering oil light is often the first and only warning sign. While the problem could just be a bad switch, you should have your actual oil pressure tested with a mechanical gauge to rule out internal engine issues. Never ignore an oil light on a 2.7L engine.
Choosing the Right Aftermarket Switch
For a vehicle like the 1993-2004 Concorde, a quality aftermarket oil pressure switch is a smart and affordable choice. The original Mopar parts can be expensive, and many aftermarket brands offer reliable alternatives that meet or exceed original specifications. The key is to choose a reputable brand.
- Premium Aftermarket (e.g., Standard Ignition): Brands like Standard Motor Products (SMP) are well-regarded by professional technicians. They often use high-quality materials like polyimide film diaphragms for durability and are rigorously tested. Choosing a premium brand 🎬 See how Standard Motor Products manufactures and tests their switches. is a good investment for peace of mind, especially on the sensitive 2.7L engine.
- Standard Aftermarket (e.g., Crown Automotive, Vemo): These brands provide a good balance of quality and value. Crown Automotive is well-known for Jeep parts but offers a wide range of components for Chrysler vehicles, backed by a warranty. They are a solid choice for a direct OE-style replacement.
- Economy Brands (e.g., Global Parts, various store brands): While the most budget-friendly, quality can be inconsistent. For a critical component like an oil pressure switch, it's often worth spending a few extra dollars for a brand with a better track record, as some owners report premature failure with cheaper aftermarket sensors.
Pro Tip: Get the Right Socket
Replacing the oil pressure switch often requires a special deep socket designed for oil pressure sending units. These sockets are available at most auto parts stores. Using a standard deep socket may not fit or could damage the new switch during installation.
Cost to Replace a Chrysler Concorde Oil Pressure Switch
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket Part | $13 - $30 |
| New OEM (Mopar) Part | $27 - $56 |
| Shop Labor | $50 - $100 |
Frequently Asked Questions
Where is the oil pressure switch located on my Concorde?
On most Chrysler V6 engines of this era (including the 2.7L, 3.2L, 3.3L, and 3.5L), the oil pressure switch is located on the engine block, typically right next to the oil filter. You will need to raise the vehicle to access it from underneath.
Is a flickering oil light always a bad switch?
No. A flickering or constantly lit oil light means your oil pressure is dangerously low, or the sensor reporting it is faulty. Always check your oil level first. If the level is correct, the most common and cheapest potential cause is a bad switch. However, it could also indicate a failing oil pump or, on 2.7L engines, a severe oil sludge problem. It's crucial to diagnose the issue correctly.
Can I replace the oil pressure switch myself?
Yes, this is a very DIY-friendly job for most home mechanics. 🎬 Follow this step-by-step guide to replacing the switch yourself. The process involves safely raising the vehicle, locating the switch near the oil filter, disconnecting the electrical connector, and unscrewing the old switch to install the new one. You will lose a small amount of oil, so have a drain pan ready.
Do I need to use thread sealant on the new switch?
Many new aftermarket switches come with thread sealant already applied. If yours does not, it is a good idea to apply a small amount of Mopar-style thread sealant or Teflon tape to the threads before installation to prevent leaks.
Helpful Videos
Technical Specifications
OEM Part Numbers: 4608303 4608303AB 5149098AB 4601518 4601518AC
Typically a single-pin, screw-in switch located on the engine block near the oil filter. Thread size and connector may vary by engine and year, so verifying fitment is crucial.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Chrysler Concorde: