Main Drive Compound Gear, PAI EM61990 (OEM 751KB4123), Pack of 1
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
Pack of 1.
PAI EM61990: Main Drive Compound Gear. Direct summary restricted to Mack T2080B, T2130, T2180, T310M, T313L and T318L. Broader T309L / T310 Details remains source observation only. Manufacturer-designated parent reference: MACK 751KB4123.
Manufacturer application categories
MACK T2130 13 SPEED TRANSMISSION; MACK T2180 18 SPEED TRANSMISSION; MACK T2080B TRANSMISSION 8 SPEED; MACK T9/10; MACK T310 M TRANSMISISON; MACK T313L TRANSMISSION; MACK T318L TRANMISSION 18-SPEED. Confirm the complete required part number and application before ordering.
Manufacturer product cross-references
MACK 751KB4123
Fits:
- MACK T2130 13 SPEED TRANSMISSION
- MACK T2180 18 SPEED TRANSMISSION
- MACK T2080B TRANSMISSION 8 SPEED
- MACK T9/10
- MACK T310 M TRANSMISISON
- MACK T313L TRANSMISSION
- MACK T318L TRANMISSION 18-SPEED
OEM cross-references:
- MACK 751KB4123
- PAI EM61990
Warranty: 12 months
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| MACK 751KB4123 |
| PAI EM61990 |
No cross-reference numbers match that search.
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.





