⚙️ Upgrade your ride with Spicer’s powerhouse differential cover—because your Ford deserves the best!
The Spicer 10023539 Differential Cover for Ford 9.75 is a rugged, precision-machined component made from high-strength nodular iron. It comes as a complete kit including a premium reusable gasket, drain plug, and bolts, designed to enhance durability and performance in demanding environments while ensuring a perfect fit.
Manufacturer | Spicer |
Brand | Spicer |
Model | Ford 9.75 |
Item Weight | 11 pounds |
Product Dimensions | 14 x 14 x 5 inches |
Item model number | 10023539 |
Exterior | Machined |
Manufacturer Part Number | 10023539 |
D**N
Excellent cover at a good price
The media could not be loaded. The cover has excellent quality and looks great. It fits well and is easy to install. I’ve been using it for about a year now without any issues. The drain plugs make charging the fluid very convenient. I highly recommend it. . No need to pay twice as much just for a different tag.
V**Y
Great product
Solid product. Like that there is two ports for checking level for lifted and stock trucks. Very solid and sturdy. Comes with new bolts that look good but you will need to use the three bolts with the studs for the wiring harness that runs over the differential. They are the same length so there's no issue there.
M**.
Very sturdy, looks great
Great product. Very sturdy and looks great. Also has drain plug and multiple fill plugs. Made from cast iron so it is definitely heavier than stock cover.
D**N
Quality, Heavy Cover, Looks Good, bottom Drain Plug has a magnet !!!
Quality, Heavy Cover, Looks Good!! Adds a little to the factory's capacity.Go to Tractor Supply or Farm & Fleet, and buy Gold Galvanized Grade 8 bolts and Stainless washers.Use some thread locker and Torq to 32#sI used the LubLocker gasket with NO silicon and no leaks! <><
N**D
Very nice!
Paired qith the lubelocker gasket, this is an excellent choice to upgrade your standard diff. cover. Dont wait for the oem scwhduled main. . Get at it sooner and with ease by draining and filling w/o breaking the seal everytime by uaing the provided ports. Small cosmetic smear on my out of the package but who cares how it looks, the function is the top reward.Fit perfect, nice new bolts, and is substantial in quality. Enjoy your own!
E**S
Great Upgrade. With Caveats!!
So like many other reviews this is a great product. The only different thing in my opinion is the gasket and included bolts. They are poor quality. I reused the OEM Bolts. The Lube Locker gasket comes recommended from many other installers and in my experience was a great use of 25$. The lube locker gasket made this 4 start product a 5 start one. So even with the extra gasket cost this is still worth the $$. I would buy again and have recommended to others.
E**G
GREAT PRODUCT! THIS IS THE EXACT SAME PRODUCT AS THE FORD PERFORMANCE COVER!
I purchased this differential cover to replace the mag-hytec branded one (watch the Gale Banks video about why those covers arent the best!) while I was doing some diff maintenance anyways. This fits any F150 with a 9.75 rear end. Check your truck before you order this because while MOST trucks come with a 9.75 rear end, some come with regular 8.8s and some come with whats called "SUPER 8.8s" .As far as the quality of it? Its great. Its heavier duty than the stock one and makes fluid changes a breeze. The gasket it comes with is okay, but I ended up buying a lube locker brand gasket instead. I have heard of people having issues with the supplied bolts but I did not!Overall this is a nice bit of kit, adds a bit of pop to your trucks rear end and makes fluid changes super easy. Highly recommended you buy this in conjunction with your next fluid change.Oh and as I said this is the EXACT same cover as the Ford Performance branded one (M-4033-F975) just with different sticker on the cover. If you want to save 100 bucks get this one!
J**F
Works well and easy to install
I installed this cover on my 2012 Ford F150 5.0 V8 with 9.75 rear end about 5,000 miles ago and have had no problems or leaks. The cover is a good improvement over the stock cover because it has a drain plug which makes changing your rear end lube a lot easier. There is a lot of debate about whether you should use the gasket which comes with the spicer cover alone or use it in addition to RTV silicon / gasket maker. I installed the cover with no silicon or gasket maker and used only the gasket which came with the spicer cover and have had no problems or leaks as of 5,000 miles since the install. I would advise to use a torque wrench on the bolts and you should be fine not using any gasket maker. Also, there are two fill holes for adding fluid, the bottom fill hole is for stock suspension and the top fill hole is to be used if you're suspension is lifted. Make sure not to overfill the rear-end as it will do more damage than good. A 9.75 rear end will operate hotter than it should when overfilled which will cause damage to seals and overall failure prematurely.
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