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Black Path - Fits Dodge Ram 2500 & 3500 4x4 5th Gear Retainer 5.9L Cummins NV4500

4.6 4.6 out of 5 stars 30 ratings
Fifth Gear Retainer (black)
  • Dodge 1994 - 2005 Ram 2500 and 3500 with NV4500 transmissions
  • 1x 5th Gear Lock Nut Retainer with Installation Instructions
  • Prevents and repairs issues with 5th gear engagement. Retains factory main shaft lock nut fitment
  • Bolt-on’ kit installs in approximately 2 hours; No special tools required
  • BlackPath high-grade steel is guaranteed never to break under even the toughest environments. Each kit comes complete with installation instructions, telephone support, and a lifetime warranty
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Product Description

Welcome to Black Path: The premier source for high performance motorcycle and automotive parts and accessories. Black Path offers premium automotive and cycle parts made using the finest fabrication methods for the car or cycle enthusiast. All of our high strength, high integrity kits are designed to withstand the toughest street, track, and off-road operating conditions.

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5th Gear Lock Nut Retainer

We are proud to present this NV 4500 5-speed transmission 5th Gear Lock Nut Retainer. Unfortunately, the models designed for 4WD operation have a common design flaw with the 5th-gear set-up. The lock nut which secures the 5th-gear assembly to the main shaft will vibrate loose over time and allow the 5th-gear assembly to work its way off the splines of the shaft and no longer mesh with the companion gear. This causes the loss of use for 5th-gear, and can also cause significant damage to the transmission's mainshaft, resulting in very costly repairs. Common symptoms for the early stages of 5th-hear lock-nut failure include but are not limited to; excess transmission noise, jumpy/jerky 5th-gear driving, difficulty with engaging 5th-gear and or grinding when entering 5th-gear. Later stages may be as severe as complete loss of 5th-gear functionality, almost seeming as if you've shifted into neutral instead. If your truck is suffering from any of these symptoms, this may be the fix you need!

Contents

  • (1x) 5th Gear Lock Nut Retainer
  • Hardware w/ Installation Notes
  • 1x Drive Your Way Keychain Tag

Compatibility

  • 1994 - 2005 Dodge Ram 2500 4WD 5.9L 6.7L Cummins Diesel 5 Speed NV4500 Transmission
  • 1994 - 2005 Dodge Ram 3500 4WD 5.9L 6.7L Cummins Diesel 5 Speed NV4500 Transmission

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Warranty & Support

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Black Path - Fits Dodge Ram 2500 & 3500 4x4 5th Gear Retainer 5.9L Cummins NV4500

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
30 global ratings

Top reviews from the United States

D. Lindberg
5.0 out of 5 stars Get it. Don't do it twice like me.
Reviewed in the United States on August 30, 2020
Verified Purchase
So much more than needed and I like it. This is the second one needed and I expect this one to never move. I should have used this one the first time.
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Stuart Goetz
5.0 out of 5 stars Great fix for fifth gear.
Reviewed in the United States on February 23, 2019
Verified Purchase
I ordered this to solve my fifth gear issue and it fixed it. The part was easy to install and should never have to worry about the nut backing off again due to the splined lock. I would say it was worth every penny.
2 people found this helpful
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Roman Nabong
4.0 out of 5 stars Be sure to check your depth of collar.
Reviewed in the United States on October 27, 2022
Verified Purchase
I totaled up my measurements and found that with a .125 washer I would have roughly .050 clearance between the end of the tcase input and the face of the collar. Which is within the acceptable free play I measured before the collar is too far out (past halfway engaged).
Would recommend washer ST-4880-4. Its a bronze washer. Would also recommend brazing that washer to the end of the collar to keep it from spinning on the shaft. Otherwise you'll hear it when you're coasting like me. Don't just slap it together either , do your measurements.
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Anthony Mason
5.0 out of 5 stars If you have a dodge buy one !!
Reviewed in the United States on November 7, 2019
Verified Purchase
This thing is worth every penny this is what dodge should have came out with all ready instead and they would never have never been a fifth gear issue in the first place.
2 people found this helpful
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Robert
5.0 out of 5 stars Highly recommended for anyone looking to remedy the notorious 5th gear ...
Reviewed in the United States on July 2, 2017
Verified Purchase
Installation was a breeze with the quality machining that obviously went into this. I was half way expecting there to be an issue since when I purchased this, there were zero reviews. Fit perfectly. Highly recommended for anyone looking to remedy the notorious 5th gear failure that the NV4500 transmissions are famous for!
3 people found this helpful
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Gage jennings
5.0 out of 5 stars Will recomend
Reviewed in the United States on October 23, 2018
Color: Fifth Gear Retainer (black)Verified Purchase
Nice product. It fit nice and snug. Fixed my problem perminatly
One person found this helpful
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TylerCrazyFace
5.0 out of 5 stars Easy to install
Reviewed in the United States on July 10, 2018
Verified Purchase
Did what it was supposed to.
One person found this helpful
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willy
4.0 out of 5 stars Measure clearances.
Reviewed in the United States on July 12, 2019
Verified Purchase
Nicely machined kit. The set pins for the retainer nut make me nervous because if they ever come out it’s just shrapnel flying around in the transmission. I locktighted the heck out of them. The retainer teeth didn’t quite fully engage the nut but still had 70% engagement when bottomed out on the output shaft splines. In hindsight I wish I would have measured clearance between the input shaft on the transfer case and the retainer to verify it won’t just slip off the nut and allow it to back off a bit. Worst case scenario if it does back off it will only go so far. Time will tell how good it works.
3 people found this helpful
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