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GSA-2504 Mack SYNCHRONIZER
Commercial diesel transmission. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$847.14$921.79
Save $74.65
In stock — ships same day
30 available
PAI Part #GSA-2504
JAK'S Part #JAKS-GSA-2504
Included Components
What’s In This Kit
Browse 2 included components with current product details and availability.
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GSD-2525Mack SYNCHRONIZER DISC (Pack of 8) In stock -
GSD-2526SYNCHRONIZER DISC (Pack of 8) In stock - No included components match that search.
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
SYNCHRONIZER
Fits:
- MACK T2080B TRANSMISSION 8 SPEED
- MACK T2130 13 SPEED TRANSMISSION
- MACK T9/10
- MACK T2110B 11 SPEED TRANSMISSION
- MACK T8910
- MACK T318L TRANMISSION 18-SPEED
- MACK T310 M TRANSMISISON
- MACK T2180 18 SPEED TRANSMISSION
- MACK T313L TRANSMISSION
OEM cross-references:
- GSH-2515 53KC486E
- GSL-2524 301KC243C
- GSC-2201 6AX1606X
- GCL-2516 298KB213
- GCL-2517 298KB214
- GPN-2508 301KC33
- GPN-2509 301KC34
- GPN-2507 301KC35
- GSP-2506 107KD247
- GGB-2542 320KB459A
- GSD-2525 495KB361
- GSD-2526 495KB367
- NOV1142 CHRONIZER"THANKYOU"CARD
- MACK 320KB3150
- MACK 25123077
- MACK 25121135
- MACK 320KB3147
- PAI GSA-2504
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.







