HomeDriveline and Axles > Service KitsNational RA-304-A Axle Differential Bearing and Seal Kit - Rear
Part #: RA-304-A

National RA-304-A Axle Differential Bearing and Seal Kit - Rear

Rear
28 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Dodge and Mitsubishi, Raider, Ram 1500, Ram 2500, Ram 2500 Van, and Ram 3500 Van
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Axle Differential Bearing and Seal Kit for Rear Service

National RA-304-A is an axle differential bearing and seal kit for rear driveline service. It includes the components needed to complete the repair on select Dodge Ram and Mitsubishi Raider applications, including vehicles with the Chrysler 9.25" ring gear where noted.

Key Features

  • Axle differential bearing and seal kit for rear service
  • National RA-304-A for differential bearing and seal replacement
  • Paraphrased OE-style repair solution for rear axle maintenance
  • Cross-reference: Timken DRK304A
  • Compatible with select Dodge Ram 1500, Ram 2500, Ram 2500 Van, Ram 3500 Van, and Mitsubishi Raider rear applications

Detailed Description

National RA-304-A is built for rear axle differential service where bearing and seal replacement is required. This kit is listed for 2000-2007 Dodge Ram 1500 rear, 2003-2007 Dodge Ram 2500 rear, 2000-2002 Dodge Ram 2500 rear with 9.25" ring gear and Chrysler axle, 2000-2003 Dodge Ram 2500 Van rear with 9.25" ring gear and Chrysler axle, 2000-2003 Dodge Ram 3500 Van rear with 9.25" ring gear and Chrysler axle, and 2006-2009 Mitsubishi Raider rear with 9.25" ring gear and Chrysler axle. The part number RA-304-A is also a direct reference point when searching for rear differential bearing and seal kit coverage for these vehicles.

What It Helps Repair

  • Rear axle seal leaks at the differential
  • Bearing noise from worn differential components
  • Gear oil contamination from failed seals
  • Service needs on Dodge Ram rear axle assemblies
  • Rear differential maintenance on Mitsubishi Raider models

Installation Notes and Tips

Verify axle configuration, ring gear size, and Chrysler axle application before ordering. Confirm rear position fitment against the vehicle’s build details, especially on Ram 2500, Ram 2500 Van, Ram 3500 Van, and Mitsubishi Raider models with 9.25" ring gear notes. Proper differential setup and bearing preload are important during installation.

Quality Assurance

National supplies this bearing and seal kit as a repair-focused driveline service part. RA-304-A is cataloged for the listed rear axle applications and cross-references Timken DRK304A for the same application.

This part fits 28 vehicles. Search below:

YearMakeModelPositionNotes
2009MitsubishiRaiderRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2008MitsubishiRaiderRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2007DodgeRam 1500Rear
2007DodgeRam 2500Rear
2007MitsubishiRaiderRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2006DodgeRam 1500Rear
2006DodgeRam 2500Rear
2006MitsubishiRaiderRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2005DodgeRam 1500Rear
2005DodgeRam 2500Rear
2004DodgeRam 1500Rear
2004DodgeRam 2500Rear
2003DodgeRam 1500Rear
2003DodgeRam 2500Rear
2003DodgeRam 2500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2003DodgeRam 3500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2002DodgeRam 1500Rear
2002DodgeRam 2500RearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2002DodgeRam 2500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2002DodgeRam 3500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2001DodgeRam 1500Rear
2001DodgeRam 2500RearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2001DodgeRam 2500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2001DodgeRam 3500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2000DodgeRam 1500Rear
2000DodgeRam 2500RearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2000DodgeRam 2500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.
2000DodgeRam 3500 VanRearFits vehicles with 9.25" Ring Gear and Chrysler Axle.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

DRK304A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.