Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededMOTIVE GEARPART NUMBER: 683-MGK-420
Complete Front and Rear Differential Kit 1994-2002 Dodge Ram 2500/3500
$1,26299
Ships on 09/15/2026
Lowest Price GuaranteeRatio: 4.88
Complete Front and Rear Differential Kit1994-2002 Dodge Ram 2500/3500 Dana 60 Front Dana 80 Rear Ratio: 4.88 Teeth: 39-8 Fits 4.56-Up Front Carrier, 4.10-Up Rear Carrier
This MGK-420 kit by Motive Gear includes everything you need to upgrade the gear ratios in your front and rear axles. The included Timken bearings will be a long-lasting, durable addition to your differential as well.
Features:
- Cover Bolts: 10 Front & Rear
- Pinion Shaft Diameter: 1.626 in. Front & 2 in. Rear
- Pinion Splines: 29 Front & 37 Rear
- Ring Gear Diameter: 9.750 in. Front & 11.250 in. Rear
- Gear Material: 8620 Steel
Part TypeRing and Pinion Installation Kit
BrandMOTIVE GEAR
Package Height12.0
Package Width16.0
Package Length16.0
Weight74.56 PG
Part CategoryPerformance Parts
Ring Gear Tooth Quantity39
Carrier Bearings IncludedYes
Axle Seals IncludedNo
Carrier Shims IncludedYes
PositionFront and Rear
Cover Gasket IncludedYes
Ring Gear Bolts IncludedYes
Crush Sleeve IncludedYes
QuantitySold as a kit
Pinion Shims IncludedYes
Ring Gear Material8620 Steel
Pinion Nut IncludedYes
Pinion Gear Tooth Quantity8
Axle Bearings IncludedNo
Ring Gear Bolts12
Gear Ratio4.88
Cover Bolts10
Part FitmentSemi Universal
Pinion Seal IncludedYes
Vendor Part NumberMGK-420
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
PERMATEX
Fast Orange Xtreme Professional Grade Hand Cleaner 15fl oz Rocker Cap Bottle
Part Number : 775-25616
$1299
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![75W-90 Multi-Purpose Synthetic Gear Oil [1 Quart]](https://www.jegs.com/images/mini_200/500/555/555-28050.jpg)
JEGS
75W-90 Multi-Purpose Synthetic Gear Oil [1 Quart]
Part Number : 555-28050
$1299$14.99
You Save$2.00
![Limited Slip Additive [4oz Bottle]](https://www.jegs.com/images/mini_200/500/555/555-60120.jpg)
![Differential Pinion Depth Tool Setup Kit [Hard Anodized Aluminum Components]](https://www.jegs.com/images/mini_200/500/555/555-81655.jpg)
JEGS
Differential Pinion Depth Tool Setup Kit [Hard Anodized Aluminum Components]
Part Number : 555-81655
$10199$109.99
You Save$8.00
JEGS
Pinion Yoke Wrench Accepts Either 1350 or 1310 Series U-Joints
Part Number : 555-81658
$1499$16.99
You Save$2.00
Some parts are not legal for use in California or other states with similar laws / regulations
