Gear

Engine gears for heavy duty diesel trucks

Discover our complete range of engine gears for heavy duty trucks. These heavy duty engine parts ensure reliable motion transfer and precise synchronization between internal components. With stable operation and wear resistance under continuous load they support consistent performance for fleet maintenance. Classified as replacement engine parts they deliver exact fit and proven durability in severe duty. Compatible with Mack Volvo Caterpillar Detroit Diesel Freightliner Paccar and Cummins engines. Get yours today for dependable performance.
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Mack 751KB4128 Main Drive Compound Gear PAI 5946

Mack 751KB4128 Main Drive Compound Gear PAI 5946

$510.99 USD
CROSS REFERENCE: 25130736 25502561 751KB4128A 751KB4128 APPLICATION: Mack T2130/T2180/T2110B/T2110D/T2080B/Multiple Use Application. DETAILS: Gear Main Used W/ Original Mainshaft Color/Finish Gray Tooth Count (inner) 22 Tooth Count (outer) 30 BRAND: PAI 5946...
Mack 751KB4175 Main Drive Gear PAI 806828

Mack 751KB4175 Main Drive Gear PAI 806828

$408.99 USD
CROSS REFERENCE: 21649204 751KB4175 APPLICATION: Mack T2130/T2180/Multiple Use Application. DETAILS: Gear Compound Main Drive Use W/ 320KB464 Synchronizer Color/Finish Gray External Spline Tooth Count 30 Internal Spline Tooth Count 22...
Mack 751KB498 Main Drive Compound Gear PAI 6657

Mack 751KB498 Main Drive Compound Gear PAI 6657

$365.99 USD
CROSS REFERENCE: 25501145 751KB498 APPLICATION: Mack T2130/T2180/Multiple Use Application. DETAILS: Gear Compound Main Drive Use W/ Mainshaft 601KC442 & 320KB3140C Color/Finish Gray Tooth Count (inner) 22 Tooth Count (outer) 30...
Mack 751KB489 Maindrive Compound Gear PAI 6469

Mack 751KB489 Maindrive Compound Gear PAI 6469

$305.99 USD
CROSS REFERENCE: 751KB489 APPLICATION: Mack T2130/T2180/Multiple Use Application. DETAILS: Gear Compound Main Drive Use W/ Original Mainshaft & Synchronizer Assembly 320KB3140C Color/Finish Gray Tooth Count (inner) 22 Tooth Count (outer)...
Mack 751KB3396B Mainshaft Gear Reverse PAI 6478

Mack 751KB3396B Mainshaft Gear Reverse PAI 6478

$526.99 USD
CROSS REFERENCE: 751KB3396B 751KB3396 751KB3396A 25101901 APPLICATION: Mack T2050/T2130/T2180/T2060/T2070/T2070A/C/T2080/T2080B/T2090/T2100Multiple Use Application. DETAILS:  Color/Finish Gray Tooth Count (inner) 22 Tooth Count (outer) 54 BRAND: PAI 6478 Mack 751KB3396B Mainshaft Gear Reverse PAI...
Mack 751KB486C Mainshaft Gear Lo PAI 6216

Mack 751KB486C Mainshaft Gear Lo PAI 6216

$211.99 USD
CROSS REFERENCE: 751KB486C 751KB486A 751KB486B 751KB486 APPLICATION: Mack T2130/T2180/Multiple Use Application. DETAILS: Color/Finish Gray Material Steel Tooth Count (inner) 22 Tooth Count (outer) 54 BRAND: PAI 6216  Mack 751KB486C Mainshaft Gear...
Mack 751KB3342B Mainshaft Gear PAI 64730

Mack 751KB3342B Mainshaft Gear PAI 64730

$259.99 USD
CROSS REFERENCE: 25101908 751KB3342B 751KB3342 751KB3342A APPLICATION: Mack T2080/T2090/T2100/T2130/T2180/Multiple Use Application. DETAILS: Color/Finish Gray Material Alloy Steel Tooth Count (inner) 22 Tooth Count (outer) 45 BRAND: PAI 64730 Mack 751KB3342B Mainshaft...
Mack 751KB3341B Mainshaft Gear PAI 6471

Mack 751KB3341B Mainshaft Gear PAI 6471

$371.99 USD
CROSS REFERENCE: 25101907 751KB3341B APPLICATION: Mack T2130/T2180/T2090/T2100/Multiple Use Application. DETAILS: Color/Finish Gray Material Alloy Steel Tooth Count (inner) 22 Tooth Count (outer) 39 BRAND: PAI 6471 Mack 751KB3341B Mainshaft Gear PAI...
Mack 751KB3450B Mainshaft Gear PAI 62520

Mack 751KB3450B Mainshaft Gear PAI 62520

$275.99 USD
CROSS REFERENCE: 25101902 751KB3450A 751KB3340 751KB3450B 751KB3450 APPLICATION: Mack T2130/T2180/T2050/T2080B/T2070A/T2070B/T2070  D/T2110B/Multiple Use Application. DETAILS: Mainshaft Gear 4th/8th Color/Finish Gray Tooth Count (inner) 16 Tooth Count (outer) 27 BRAND: PAI 62520 ...
Mack 751KB4165 Lo Range Gear PAI 806844OEM

Mack 751KB4165 Lo Range Gear PAI 806844OEM

$1,185.99 USD
CROSS REFERENCE: 751KB4165 25501909 APPLICATION: Mack T309L/T310/T310M/Multiple Use Application. DETAILS: Genuine Part Color/Finish Gray Internal Spline Tooth Count 30 Material Alloy Steel Tooth Count (outer) 57 BRAND: PAI 806844OEM Mack 751KB4165...
Mack 764KB4279 Compound Gear PAI 806832E

Mack 764KB4279 Compound Gear PAI 806832E

$582.99 USD
CROSS REFERENCE: 21633320 764KB4279 APPLICATION: Mack T309L/T310/T310M/Multiple Use Application. DETAILS: Gear Compound Used W/ 320KB464 Synchronizer. Color/Finish Gray Internal Spline Tooth Count 38 Material Alloy Steel Tooth Count (inner) 22...
Mack 764KB4278 Compound Gear PAI 806831E

Mack 764KB4278 Compound Gear PAI 806831E

$281.99 USD
CROSS REFERENCE: 21633318 764KB4278 APPLICATION: Mack T2080/T2090/T2100/T309L/T310/T310M/Multiple Use Application. DETAILS: Gear Compound Used W/ 320KB464 Synchronizer Color/Finish Gray External Spline Tooth Count 30 Internal Spline Tooth Count 38 Tooth Count...