I have a 2014 jku (non rubicon) dana 44 w/ 3.73 gears (rear). looking to go to 4.56 or 4.88 gears in future is this the truetrac i need?

Yes. 913A589 is the correct part for the "JK"(non-rubicon) Dana 44 rear ALL gears! Here is the caveat; the current version of the Truetrac is dual drilled with 3/8 & 7/16" holes that will accept most all aftermarket gear sets without modification. If planning on using the factory gear set, they utilize 1/2" bolts to retain the gear to the carrier. Plan to use a machine shop to drill out to 1/2" if your application warrants this as the TT is hardened metal. The coming change.......As of March/April 2019, Eaton will be changing the holes used on the TT. They will be eliminating the 3/8" hole and providing a dual drilled product with a 7/16" & 1/2" compatibility. I posted this not so much for the person asking but for those looking to buy this product now.

Is this lock 100% lock or non-slip? If it is non-slip what is the model of 100% lock?

It is an 80 percent power transfer limited slip not a locker.

It will fit in a 2003 rubicon tj with 4.88 ratio??

As far as fitment i suggest Eaton's web sight

Will this fit my 1998 Jeep Wrangler sport, and do I need anything else to go with it for performance and fit during installation?

It should as long as it has a Dana 44 rear end and I didn’t have to buy anything extra to install it

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Eaton 913A589 Detroit Truetrac Rear 30 Spline Differential for Dana 44

Product ID: 257487800

Details

Brand
Eaton
Product Dimensions
8.5"L x 8.5"W
Power Source
vehicle engine
Grit Number
30
Item Weight
24.5 Pounds

📏21.08 cm Length

📦21.59 cm Dimensions

🔧8.5" Ring Gear

€ 2195.25

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Description

🚗 Elevate Your Drive with Eaton's Truetrac Differential!

EASY INSTALLATION - Get back on the road faster with straightforward setup.
UNLEASH YOUR RIDE - Transform your vehicle's performance with the Eaton Truetrac!
DURABLE CONSTRUCTION - Built to withstand the toughest terrains and driving conditions.
PRECISION ENGINEERING - Designed for Dana 44, ensuring a perfect fit.
SMOOTH POWER TRANSFER - Experience seamless torque distribution for enhanced traction.

The Eaton 913A589 Detroit Truetrac Rear 30 Spline Differential is engineered for Dana 44 axles, featuring an 8.5-inch ring gear size. With precise dimensions of 21.08 cm in length and 21.59 cm in both height and width, this differential promises enhanced traction and durability for off-road enthusiasts and everyday drivers alike.

Specifications

ASIN	B001GC90A2
Brand Name	Eaton
Customer Reviews	4.4 4.4 out of 5 stars (57)
Item Weight	25.17 Pounds
Manufacturer	Eaton
Model	913A589
Part Number	913A589
UPC	840379305890
Unit Count	1.0 Count

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€ 2195.25

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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