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  • ACDelco D1846A GM Original Equipment Engine Oil Pressure Sensor
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ACDelco D1846A GM Original Equipment Engine Oil Pressure Sensor

by ACDelco
| 9 answered questions

List Price: $87.88
Price: $33.76 & FREE Shipping on orders over $35. Details
You Save: $54.12 (62%)
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  • ACDelco Engine Oil Pressure Switch D 1846A
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33 new from $33.76

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$33.76 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

ACDelco D1846A GM Original Equipment Engine Oil Pressure Sensor + Lisle 13250 Oil Pressure Switch Socket + Lisle 13200 Universal Oil Pressure Sending Unit Socket
Price for all three: $51.33

Buy the selected items together


Product Information

Technical Details
BrandACDelco
Item Weight0.2 ounces
Product Dimensions13 x 10 x 2.4 inches
Item model numberD1846A
Manufacturer Part NumberD1846A
OEM Part Number 12616646
  
Additional Information
ASINB0016HPUS8
Best Sellers Rank #2,255 in Automotive (See top 100)
Shipping Weight0.2 ounces (View shipping rates and policies)
ShippingCurrently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
Date First AvailableMarch 20, 2008
  
Warranty & Support
Warranty, Parts: Parts

Warranty, Labor: ACDelco offers a 12 Month / 12,000 mile warranty.

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Product Description


OE Service Sensors/Relays/Switches

ACDelco offers a full line of Original Equipment Service Ignition System and Switch products that are ideal replacements for the worn equipment in your GM vehicle. With complete GM coverage and the peace of mind that comes with all ACDelco products it only makes sense to keep your GM vehicle all GM.

Let ACDelco help you optimize your GM vehicle's performance with our high-quality Original Equipment Service Sensors, Relays and Switches. Full range of switch products -- door lock, turn signal, ignition, trunk, windshield wiper, multi-function and many more. Thoroughly tested for trouble-free operation and performance

Customer Questions & Answers

Customer Reviews

Simple fix, took less than 5 mins.
clarkjw
I would also recommend buying the Lisle 13250 Oil Pressure Switch Socket as it made the job easier to complete.
GCAGreg
This was the best way to get the OEM parts for my Pontiac G8 GT!
Kelly-K

Most Helpful Customer Reviews

41 of 43 people found the following review helpful By moonlighteye on May 28, 2012
I noticed the oil gauge in my 2003 Chevy Tahoe would max out to 80psi before I even got the engine started, so some research indicated the oil sending unit was most likely the culprit. Got a new oil sending unit and the oil psi returned to normal.

Just be warned that if you never replaced this part before, it is an absolute PAIN to get to, as it's nestled right behind the intake manifold (at least on the Tahoe) in a place where you can't visibly see it and have to squeeze your hands into a very uncomfortable spot to feel it out. You definitely want to get a socket made specifically for an oil sending unit install, because the spot is so tight that if you try and use a socket that is the right size for the nut but has thick walls, it will never slide down and fit properly. A proper oil sending unit socket will have thinner walls to allow it to slip into a tight spot and a nut on top to use an open wrench on if necessary.

For a Chevy Tahoe:
1. Disconnect battery.
2. Remove plastic intake cover.
3. You'll need to position yourself over the engine so you can reach down and directly behind the intake manifold, so make sure everything is cool. It's best to approach this from the left side, or passenger side, as there is a bit more room to reach in with your left hand than right hand.
4. Follow the oil sending unit cable to feel out where it is and disconnect the cable (has a plastic clip on one side -- be careful not to snap it off).
5. Once you know where the top of the sender unit is, slip the socket over it and once it's orientated properly, make sure it slides over the unit completely.
6. Attach your socket wrench (you'll want an extender and preferably an adapter that permits angles) and begin to remove the sending unit.
7.
Read more ›
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9 of 9 people found the following review helpful By Jeff on October 13, 2013
Verified Purchase
This switch/sensor was a perfect replacement for the defective switch on my 2003 Chevrolet Silvarado with the 5.3 L V8. If you don't have the socket designed for this switch (Lisle 13250 Oil Pressure Switch Socket ), then it is impossible to install, With the $8 socket , it is almost, but not quite, impossible. A couple of long 3/8 in. drive extension bars and a flex joint are necessary for both removal of the old switch and installation of the new one. The big hint is to place the new switch in the socket and feed it down to the invisible, empty hole on the block (behind the intake manifold and partially under the firewall) and start it by hand. Once you are sure it is not cross-threaded, and that the socket is still firmly seated on the new switch, you can tighten with a ratchet. Otherwise, you run the risk of breaking off the new switch's wiring socket (which you will almost certainly do in removing the old switch). The entire operation is done by Braille. Unless you have extremely small hands, a couple of band-aids are also necessary as your hand will be bleeding from all the sharp objects you assuredly will encounter down there. My project went smoothly and took only about 30 minutes from start to finish.

This unit registers variable oil pressure readings. It does not just stick the needle in the middle of the gauge and keep it there until there is a failure (like a warning light).
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8 of 9 people found the following review helpful By zofoman on July 20, 2012
Verified Purchase
This is a genuine AC Delco oil pressure sensor...best on the planet as it is not Chinese made crap. Works like it should and only thing I can say is they are a little difficult to replace in the vehicle. Just be diligent and you will get the job done. Suggest buying a 1-1/4" (27mm) thinwall socket for the removal/install...you WILL need it.
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7 of 8 people found the following review helpful By Cory G. on December 17, 2012
Verified Purchase
Oil Pressure gauge in 2003 Tahoe was not longer registering any pressure. I ended up doing a little research and everyone suggested replacing the sensor. I am not a mechanic. Replacing it would hove not been an issue, except for the location of the sensor. It is pretty much in the worst place possible. See moonlighteye's steps in his review - I found those and another set on steps online with pictures. Both were super helpful.

Also, purchase the OEM 25254 Oil Pressure Switch Socket. Could not have gotten the old sensor out or the new one in without it.

Once I replaced it, my oil pressure gauge starting registering again. Easy and cheap fix if you have the patience.
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4 of 4 people found the following review helpful By Oscar on April 25, 2013
Verified Purchase
The oil gauge on my 06 GMC yukon 5.3L was reading 80 when engine was running. I read the reviews and people who had this problem before were saying that it was the oil pressure sensor, I decide to order this part ACDelco like the original that came with my truck. Got the part today and it took me about 45 minutes to installed, had a little hard time but I got it done. I crank the truck and it read 40 it went back to normal, I'm glad it work and save me some money on the part and labor thanks a million Amazon.
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6 of 7 people found the following review helpful By AZViperDrvr on February 4, 2014
Verified Purchase
Ordered to replace failed sensor in Suburban. The first one worked for about 2 weeks. Had it replaced by Amazon and the second sensor lasted less than three months. Had neighbor with same vehicle have the same experience and we replaced our sensors on the same day. His original unit only lasted a week. Junk. He replaced his first unit with one from NAPA or AutoZone with a lifetime warranty and his is still going strong. I'm out the money and need to replace again. Very disappointed.
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ACDelco D1846A GM Original Equipment Engine Oil Pressure Sensor
This item: ACDelco D1846A GM Original Equipment Engine Oil Pressure Sensor
Price: $87.88 $33.76
Ships from and sold by Amazon.com