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Prothane 13-1903 Red Motor and Transmission Mount Insert Kit

4.2 out of 5 stars 11 customer reviews

List Price: $159.44
Price: $80.76 & FREE Shipping. Details
You Save: $78.68 (49%)
Only 7 left in stock (more on the way).
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  • Enter your model number above to make sure this fits.
  • Precision fabrication assures perfect fit
  • Holds super grease for quiet operation
  • Premium grade polyurethane components
  • Provides necessary rigidity
See more product details
13 new from $74.99
$80.76 & FREE Shipping. Details Only 7 left in stock (more on the way). Ships from and sold by Amazon.com.

Product Information

Technical Details

Brand Prothane
Item Weight 5.5 pounds
Product Dimensions 6 x 10 x 4 inches
Origin USA
Item model number 13-1903
Manufacturer Part Number 131903
OEM Part Number 13-1903

Additional Information

ASIN B00386PJQS
Customer Reviews
4.2 out of 5 stars 11 customer reviews

4.2 out of 5 stars
Best Sellers Rank #483,310 in Automotive (See top 100)
#48 in Automotive > Performance Parts & Accessories > Drive Train > Transmission Mounts
#360 in Automotive > Replacement Parts > Transmission & Drive Train > Transmission Mounts
#890 in Automotive > Performance Parts & Accessories > Drive Train > Transmission & Parts
Shipping Weight 5.8 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available February 11, 2010

Warranty & Support

Warranty, Parts:PartsWarranty, Labor:Full Manufacturer's Warranty - Sold by Authorized Reseller
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

Polyurethane based suspension, driveline and chassis components have been designed as an upgrade to the soft factory rubber components.

Customer Reviews

Top Customer Reviews

Verified Purchase
Here 's the deal with the Prothane...

The Good:
They came in a complete kit with all the parts needed. As a bonus, they even came with the crossmember bushings too. Nice. (not shown in pic).

They also have updated their front and rear inserts now. They are now solid. They do not have the 6 drilled holes as the older ones did. This is better as I have seen many pics of the drilled ones splitting in time.

The Not so Good:
They were a little frustrating to install. But this would depend on the car also.
Basically ya remove the old mounts and saw out the OEM rubber, Then insert (squeeze, pound, force) the new reds.

The center bushing for the front and rear inserts was NOT the right size hole. I had to buy a larger diameter bolt and drill the mounting bracket hole too match. This should be corrected by Prothane.

Also the bushing on the front and rear is too long to fit up into the bracket. I had to grind off about 1/8 inch from the end of it so I could raise it up in to it's home. (engine cross member mount).

Wish I could give more stars, but I feel that the product is NOT a proper fit for my application.

Haven't driven the car yet (doing timing belt work). Will post back later to update.

My purchase was for a 2000 Eclipse GT.

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Verified Purchase
My used and mostly stock 3.0L was creaking bad at low speed turns and stops- (thought it was CV joints), was hard shifting- (thought the transmission was beat), and acceleration felt unusually sluggish for the kept 80k engine. It was when i saw the engine jumping while pushing the TB open to just 2500 rpm that i thought the mounts could be the issue. Found out the oem front and trans mount rubber inserts were shredded as i poked both centers out with a little thumb pressure, the passenger and rear mounts were heading south also. I chastised the thought of spending 120$ for 4 new rubber/alum mounts. So i wnt with red polyurethane instead- and its been the best investment ive made in this car yet.

There's plenty of "How to"s on these things so just look em up yourselfs. A jack, 2 stands, sawzall with 24-32tpi steel blades, vice, a couple socket wrenches and hand full of sockets are what you'll need to swap things out. Disfiguring or cutting pieces off the prothane inserts to get them in easier is stupid. Instead get someone with a machine press to get the front and rear 'one piece' inserts in if you cant get them in yourself. I payed 10$ for both front and rear at a muffler/brake shop and you can too.

Now whats to be gained from installing these are quicker response (much less energy wasted in prothane mounts vs. broken rubber ones) and a hair faster acceleration throughout the band itself. As for me no more creaks and shiftings like butter.

BTW- these fit a 3.0L sebring/stratus coupe just as well, and can be used in automatics just as well as manuals nevermind what Amazon says
-*bushings for the center member are included (not shown)
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Verified Purchase
Over the last seven years the popping and cracking coming from the right side got progressively worse. This kit was inexpensive and I feel it is superior to what was on my 2001 Mitsubishi Spyder Eclipse GT. It took several days to do the full install. The kit I got also included the lower support bar bushings! I felt like this was a bonus and my car definitely needed these bushings. The steel insert bushings were not included, so I had to fix the old ones using a welder and angle grinder. I also used the angle grinder decrease the lip on one side of the front and rear bushing so I could insert it into the mount. It was simply protruded to much and I could not insert it even with lube. I fought it for an hour before opting to trim it. Once trimmed I still had to force it with muscle and a hammer. For the $67.28 for the whole kit, I didn't expect perfection. A 30 mile test drive showed improvements. The pull to the left on acceleration was gone, the car didn't feel wobbly anymore, noises was of course gone. For the price and the fact the car no longer makes embarrassing loud popping and cracking noises in parking lots when I'm driving around, I give it 5 stars!
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Verified Purchase
Came exactly as pictured, + the bushings that aren't pictured. Takes a minute to figure out which mounts go where but once you got that, its pretty easy to install. I used a vise, hacksaw, hammer, and chisel to remove the old rubber and rings. I read some reviews where they received the rear and front mounts as a solid without those 6 holes, but that's what I got. So (as pictured) its random I suppose? I didn't have to do any fabricating to get these in either. Took a little elbow grease but I was happy with the end result. My car sounds and feels so much better! I'll definitely buy again when the time comes.
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Verified Purchase
Can be a pain to put in a 2001 Mitsubishi Eclipse GT, but I did about 70,000 miles ago and they are still gong strong. Chances are you will not want to put the drivers side one in. I certainly didn't because it was too much of a pain to remove from the car. Even with the other three in and the original fourth one there is a noticeable difference in how well the engine is held in place. If you don't mind putting in the extra work, these are a great way to save money over buying the stock OEM mounts.
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Prothane 13-1903 Red Motor and Transmission Mount Insert Kit
This item: Prothane 13-1903 Red Motor and Transmission Mount Insert Kit
Price: $80.76
Ships from and sold by Amazon.com