5th Gear Lock Nut Retainer Kit for Dodge Ram 2500 Cummins NV4500

EGR Performance 5th Gear Nut for 1994-2005 Dodge Ram 3500

5th Gear Lock Nut Retainer Kit OEM# 5013887AA for Cummins NV4500

Dodge Ram 2500/3500 5th Gear Lock Nut Retainer Installation Parts

High-Strength 5th Gear Lock Nut Retainer Kit for Dodge Ram 1994-2005

5th Gear Lock Nut Retainer Kit for 5.9L/6.7L Cummins NV4500 Dodge Ram 2500/3500 (1994-2005)

$69.99

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11 in stock, ready to ship

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Details

Year Range	Vehicle Model	Engine	Transmission	Drive Type	OEM#
1994-2005	Dodge Ram 2500/3500	5.9L/6.7L Cummins	NV4500	4WD	5013887AA

EGR Performance 5th Gear Lock Nut Retainer Kit (OEM# 5013887AA) is specially designed to solve the common issue of 5th gear nut backing off in 1994-2005 Dodge Ram 2500/3500 4WD models equipped with 5.9L/6.7L Cummins NV4500 transmissions, preventing 5th gear assembly failure and ensuring smooth transmission operation.

Shipping Details

Ontario CA / Springdale OH / Newark NJ

Package List

Complete Package Contents

2x Set Screws
2x Brass Pucks
1x 5th Gear Nut
1x Spring Washer
1x 5th Gear Lock Nut Retainer (as pictured)

Delivery Time

2-5 working days inland in the United States

Product details

Product Overview

The5th Gear Lock Nut Retainer Kit is a direct replacement part for Dodge Ram 2500/3500 4WD vehicles (1994-2005) with 5.9L/6.7L Cummins NV4500 transmissions. It addresses the common problem where the 5th gear lock nut vibrates loose over time, causing the 5th-gear assembly to slip off the shaft splines and fail to mesh with the companion gear.Crafted by EGR Performance, this kit retains the factory main shaft lock nut fitment, ensuring perfect compatibility and reliable performance. All products are 100% tested before delivery to guarantee quality and durability. Note: No installation instructions are included.

Specifications

No need to purchase a mainshaft update kit
No special tools required for installation – simply index the retainer on the spline and into your existing locknut
Ensures the 5th gear is not lost due to lock nut loosening
Helps maintain smooth transmission operation and prevents costly 5th gear failure
OEM Part Number: 5013887AA

Core Advantages

Easy Installation: Install without removing or disassembling the transmission assembly, saving time and labor costs – no professional mechanical experience required for basic installation
Perfect Fit & Direct Replacement: Designed to match the factory specifications of 1994-2005 Dodge Ram 2500/3500 4WD NV4500 transmissions, ensuring seamless compatibility
Durable Construction: Made of high-strength steel with CNC machining and computer-programmed pulse welds, providing exceptional strength and long service life
Problem-Solving Design: Prevents and repairs the common NV4500 5th gear nut backing-off issue, avoiding 5th gear assembly failure and expensive transmission repairs
Quality Tested: 100% factory-tested to ensure performance and reliability, meeting or exceeding OEM standards

Technical Specifications

Brand: EGR Performance
Material: High-strength steel
Manufacturing Process: CNC constructed with computer-programmed pulse welds
Fits Output Shaft: 29-spline (Dodge 4WD models only)
Warranty: 1-year warranty (replaces the original lifetime warranty)

Why Choose This 5th Gear Lock Nut Retainer Kit

Trusted Brand: EGR Performance delivers high-quality auto parts designed for durability and performance
Cost-Effective Solution: Prevents expensive transmission repairs caused by 5th gear nut loosening – a common issue in NV4500 transmissions
Hassle-Free Installation: No special tools or transmission disassembly needed, making it accessible for DIY enthusiasts and professionals alike
Worry-Free Shopping: 1-year warranty and 100% pre-delivery testing ensure peace of mind; contact our customer service at service@egrperformance.com for any questions
SEO-Optimized Compatibility: Explicitly designed for 1994-2005 Dodge Ram 2500/3500 4WD with 5.9L/6.7L Cummins NV4500 transmissions, ensuring it’s easily found by your target customers

Compatibility List

This 5th Gear Lock Nut Retainer Kit (OEM# 5013887AA) is compatible with the following vehicles:

1994 Dodge Ram 2500 4WD with 5.9L/6.7L Cummins NV4500 transmission (29-spline output shaft)
1994 Dodge Ram 3500 4WD with 5.9L/6.7L Cummins NV4500 transmission (29-spline output shaft)
1995-2005 Dodge Ram 2500 4WD with 5.9L/6.7L Cummins NV4500 transmission (29-spline output shaft)
1995-2005 Dodge Ram 3500 4WD with 5.9L/6.7L Cummins NV4500 transmission (29-spline output shaft)

Fitment:

1994-2005 Dodge Ram 2500 4WD with 5.9L/6.7L Cummins NV4500 transmission (29-spline output shafts)
1994-2005 Dodge Ram 3500 4WD with 5.9L/6.7L Cummins NV4500 transmission (29-spline output shafts)
Vehicles experiencing 5th gear nut loosening, 5th gear assembly slippage, or transmission performance issues related to the main shaft lock nut

Important: This kit does NOT work with GM/Chevrolet NV4500 transmissions. It is only compatible with Dodge 4WD models with 29-spline output shafts.

Dispatch Time: Orders will be shipped within 24 hours after successful payment.
Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
Return Window:7 days for unsatisfactory items45 days for quality-related issues
Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

Q: Will this 5th Gear Lock Nut Retainer Kit fit my 1998 Dodge Ram 2500 4WD with a 5.9L Cummins NV4500 transmission?

A: Yes! This kit is fully compatible with 1994-2005 Dodge Ram 2500 4WD models equipped with the 5.9L/6.7L Cummins NV4500 transmission and 29-spline output shaft.
Q: Do I need to remove the transmission to install this 5th Gear Lock Nut Retainer Kit?

A: No! The kit is designed for easy installation without removing or disassembling the transmission assembly, saving you time and labor costs[7].
Q: Is any special tool required to install the EGR Performance 5th Gear Lock Nut Retainer Kit?

A: No special tools are needed. Simply index the retainer on the spline and into your existing locknut – basic hand tools are sufficient for installation.
Q: What is the warranty period for this 5th Gear Lock Nut Retainer Kit?

A: This kit comes with a 1-year warranty from EGR Performance. If you encounter any quality issues, please contact our customer service at service@egrperformance.com for assistance.
Q: Does this kit come with installation instructions?

A: No, this kit does not include installation instructions. For installation guidance, we recommend consulting a professional mechanic or referring to your vehicle’s service manual[13].
Q: Why does my 5th gear nut keep backing off, and how does this kit fix it?

A: Over time, vibration can cause the 5th gear lock nut to loosen, leading to 5th gear assembly slippage and failure[10][11]. This kit’s splined lock nut design prevents loosening, keeping the 5th gear assembly securely on the shaft.
Q: Is this 5th Gear Lock Nut Retainer Kit compatible with GM/Chevrolet NV4500 transmissions?

A: No, this kit is specifically designed for Dodge Ram 2500/3500 4WD models and does not work with GM/Chevrolet NV4500 transmissions.
Q: What material is the EGR Performance 5th Gear Lock Nut Retainer Kit made of?

A: The kit is made of high-strength steel with CNC machining and computer-programmed pulse welds, ensuring durability and long service life.
Q: Will this kit work with 2WD Dodge Ram 2500/3500 models?

A: No, this kit only fits Dodge Ram 2500/3500 4WD models with 29-spline output shafts.
Q: How do I know if my vehicle has a 29-spline output shaft?

A: This kit is compatible with 1994-2005 Dodge Ram 2500/3500 4WD models with NV4500 transmissions, which typically have 29-spline output shafts. For confirmation, refer to your vehicle’s specifications or consult a mechanic.