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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 — ships same day
12 available
PAI Part #GOS-6720
JAK'S Part #JAKS-GOS-6720
Kit Membership
Used In These Kits
This part is included in 13 engine & overhaul kits — find yours below.
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806860GASKET KIT In stock -
GBK-5942BEARING AND SEAL KIT In stock -
GBK-6562BEARING AND SEAL KIT In stock -
GBK-6563Mack Trl 1076 1078 Transmission 5 Speed Bearing And Seal Kit In stock -
GBK-6574BEARING AND SEAL KIT In stock -
GBK-8955-300GASKET AND SEAL KIT In stock -
GBK-8956BEARING AND SEAL KIT Confirm lead time -
GBK-8957BEARING AND SEAL KIT In stock -
GBK-8958BEARING AND SEAL KIT In stock -
GGS-3838Mack GASKET KIT In stock -
GGS-3971TRANSMISSION GASKET KIT In stock -
GGS-3972TRANSMISSION GASKET KIT In stock - GGS-3979TRANSMISSION GASKET KIT View ›
- No kits match that search.
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI 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
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.

















