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Pinion Nuts & Seals

44 Products
Shop direct-replacement pinion nuts and seals — matched to your axle to stop differential leaks.
  • Pinion Seal 181.710008 Same As Midwest 710008, Automann 181.710008, CR 30148, Freightliner NA710008, International 1651281C91, International 464244C1, International 464244C2, National 710008, Stemco 433-0148,...
    Regular price
    $18.99
    Sale price
    $18.99
    Regular price
  • Pinion Seal 181.9773 Pinion Seal 181.9773. Same As Automann 181.9773, National 9773, Spicer 127721, CR 26373.
    Regular price
    $10.99
    Sale price
    $10.99
    Regular price
  • Pinion Seal 181.G2425 Pinion Seal 4561VSame As Automann 181.G2425, DTG2425, Rockwell A1205G2425, Rockwell A1205X1896, National 4561V, 24964, 5601, 24964CR, 5601, A-1205-G-2425, A1205G2425, S-A720.
    Regular price
    $27.99
    Sale price
    $27.99
    Regular price
  • Pinion Seal Kit 181.5X2728 Pinion Seal Kit 181.5X2728. Same As Automann 181.5X2728, International 2590276C1, Meritor A11205X2728, 2590276C1, A1-1205X2728, A11205X2728, A1199.
    Regular price
    $56.99
    Sale price
    $56.99
    Regular price
  • Pinion Seal Kit 181.5Y2729 Pinion Seal Kit 181.5Y2729. Same As Automann 181.5Y2729, Freightliner TDAA11205Y2729, International 2589851C91, Meritor A11205Y2729, Meritor A1199V4026, Meritor A1205Y2729.
    Regular price
    $59.99
    Sale price
    $59.99
    Regular price
  • Pinion Seal Kit 181.R945003 Pinion Seal Kit 181.R945003. Same As Automann 181.R945003, Meritor A11205Z2730, International 2590277C1, Meritor R945003.
    Regular price
    $46.99
    Sale price
    $46.99
    Regular price
  • Slotted Pinion Nut M45 X 1.5 750.5455 Slotted Pinion Nut M45 X 1.5 750.5455. Same As Automann 750.5455, ABPP3853510672, MBA0009905455.  6 Slot Design Uses 210.5455 Socket
    Regular price
    $17.99
    Sale price
    $17.99
    Regular price
  • Stub Shaft Lock Nut 750.2507411 Stub Shaft Lock Nut 750.2507411Same As Automann 750.2507411, Freightliner SP2507411, Spicer 250-74-11, Spicer 2507411.
    Regular price
    $13.99
    Sale price
    $13.99
    Regular price

Pinion Nuts & Seals Overview

The pinion nut sets the pinion bearing preload and the pinion seal keeps gear oil in the differential; a leaking seal or loose nut causes leaks and driveline problems. Van Horn Truck Parts carries pinion nuts and seals cross-referenced to Dana, Meritor, and OEM part numbers.

Match by your axle make and model, and follow the preload procedure on reassembly.

Mechanic & Fitment Specs:

  • Match by: Axle make/model
  • Cross-references: Dana, Meritor, OEM
  • Buying tip: Follow the axle maker's pinion preload procedure when torquing the nut