| Part | Manufacturer | OEM Part # | Price | Notes |
| Coil Spring Type |
| Gear Kit |
| Non-Locking | FOR | D7TZ4215A | 198.02 | Contact Dealer for most current part and price information. Order By Gear Ratio. |
| Locking | FOR | D7TZ4215B | 0.00 | |
| Leaf Spring Type |
| Dana Model 44 & 50 |
| Gear Kit |
| 3800 LBS |
| Non-Locking | FOR | D7TZ4215A | 198.02 | Contact Dealer for most current part and price information. Order By Gear Ratio. |
| Locking | FOR | D7TZ4215B | 0.00 | |
| 4500 LBS | FOR | E3TZ3215C | 183.58 | Order By Gear Ratio. |
| Integral, Non-Locking |
| Gear Kit, Differential Pinion |
| 8.75 Ring Gear | FOR | 4L3Z4215FA | 135.77 | Includes: Pinion Gear. |
| 10.25 Ring Gear | FOR | 8C3Z4215A | 190.90 | Includes Side Gears And Pinion Gears. |
| Integral, Locking |
| Gear Kit, Differential Pinion |
| Without 10.25 Ring Gear | FOR | 4L3Z4215FA | 135.77 | Includes: Pinion Gear. |
| With 10.25 Ring Gear | FOR | 8C3Z4215A | 190.90 | Includes Side Gears And Pinion Gears. |
| Removable, Non-Locking |
| Gear Kit, Differential Pinion | FOR | C9AZ4215A | 66.80 | Contact Dealer for most current part and price information. Includes Gears & Washers. Parts And Prices Are For Estimating Purposes Only. |
| Removable, Locking |
| Gear Kit, Differential Pinion | FOR | C8OZ4215A | 164.53 | Contact Dealer for most current part and price information. Includes Gears & Washers. Parts And Prices Are For Estimating Purposes Only. |