Home/Mack Parts/GOS-6720 Mack INPUT SHAFT SEAL
Mack INPUT SHAFT SEAL

GOS-6720 Mack INPUT SHAFT SEAL

Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$33.99$66.00 Save $32.01
In stock — confirm dispatch timing 12 available
Fitment details

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PAI Part #GOS-6720
JAK'S Part #JAKS-GOS-6720
Catalog refMACK 88AX454
Catalog refMACK 88AX390P2
Catalog refMACK 88AX390P3
Catalog refMACK 88AX452
Not sure it's the right fit? Call a specialist
(720) 445-6249
Talk to a tech or text a photo of your part tag — we'll confirm fitment before you buy
Kit Membership

Used In These Kits

This part is included in 13 engine & overhaul kits — find yours below.

Complete The Rebuild

Suggested Additional Parts

Commonly sold with this product. These parts are sold separately.

  1. FRONT COVER GASKET (Pack of 5)
    GGK-3921FRONT COVER GASKET (Pack of 5) In stock
    $46.65View ›
  2. SEAL
    GOS-6951SEAL In stock
    $12.67View ›
  3. BEARING (Pack of 2)
    GBG-6102BEARING (Pack of 2) In stock
    $16.34View ›
  4. Mack BEARING
    GBG-6593Mack BEARING In stock
    $46.58View ›
  5. CLUTCH RELEASE YOKE
    GCY-6109CLUTCH RELEASE YOKE In stock
    $99.89View ›
GOS-6720 Mack INPUT SHAFT SEAL
BrandPAI Industries

INPUT SHAFT SEAL

Fits:

  • MACK TRQ-7220 TRANSMISSION 20-SPD
  • MACK TRL-1076/1078 TRANSMISSION 5-SPEED
  • MACK TRXL-107 TRANSMISSION 6-SPEED
  • MACK TRDL/TRDLG-107,1070 TRANSMISSION 10-7 SPEED

OEM cross-references:

  • MACK 88AX454
  • MACK 88AX390P2
  • MACK 88AX390P3
  • MACK 88AX452
  • MACK 88AX400
  • MACK 25632356
  • PAI GOS-6720

Warranty: 24 months