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 764KB4278 Compound Gear PAI 806831E

Mack 764KB4278 Compound Gear PAI 806831E

$287.63 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...
Mack 751KB4123 Hi Range Gear PAI 61990

Mack 751KB4123 Hi Range Gear PAI 61990

$193.79 USD
CROSS REFERENCE: 25502562 751KB4123 APPLICATION: Mack/T2080B/T2130/T2180/T309L/T310/T313L/T318L/T310M/Multiple Use Application. DETAILS: Color/Finish Gray Tooth Count (inner) 22 Tooth Count (outer) 30 BRAND: PAI 61990 Mack 751KB4123 Hi Range Gear PAI 61990. Truck components...
Mack 751KB4177 Main Drive Gear PAI 806830

Mack 751KB4177 Main Drive Gear PAI 806830

$482.00 USD
CROSS REFERENCE: 21649209 751KB4177 APPLICATION: Mack T2130/T2180/T2110B/T2110D/T313L/T318L/Multiple Use Application. DETAILS: Gear Compound Main Drive Used W/ 320KB464 Synchronizer Color/Finish Gray External Spline Tooth Count 30 Internal Spline Tooth Count 22...
Mack 751KB4176 Main Drive Gear PAI 806829E

Mack 751KB4176 Main Drive Gear PAI 806829E

$245.28 USD
CROSS REFERENCE: 21649207 751KB4176 APPLICATION: Mack T2080B/T2130/T2180/T309L/T310/T313L/T318L/T310M/Multiple Use Application. DETAILS: Gear Compound Main Drive Used W/ 320KB464 Synchronizer Color/Finish Gray External Spline Tooth Count 30 Internal Spline Tooth Count 22...
Mack 757KB3312B Countershaft Gear PAI 6208

Mack 757KB3312B Countershaft Gear PAI 6208

$236.63 USD
CROSS REFERENCE: 757KB3312B 25087686 APPLICATION: Mack T313L/T318L/T2130/T2180/Multiple Use Application. DETAILS: Countershaft Gear 1st/5th Color/Finish Gray Tooth Count (outer) 33 BRAND: PAI 6208 Mack 757KB3312B Countershaft Gear PAI 6208. Heavy duty truck...
Mack 757KB3223 Countershaft Gear PAI 6487

Mack 757KB3223 Countershaft Gear PAI 6487

$385.55 USD
CROSS REFERENCE: 757KB3223 25093506 APPLICATION: T313L/T318L/T2090/Multiple Use Application. DETAILS: Countershaft Gear 2nd/6th (40 Teeth) Color/Finish Gray Material Alloy Steel Tooth Count (outer) 40 BRAND: PAI 6487 Mack 757KB3223 Countershaft Gear PAI...
Mack 757KB428A Countershaft Gear PAI 63730

Mack 757KB428A Countershaft Gear PAI 63730

$332.51 USD
CROSS REFERENCE: 757KB428A APPLICATION: Mack T313L/T318L/T2110B/T2110D/Multiple Use Application. DETAILS: Gear Countershaft Maindrive 47 Teeth 4TH/8TH Material Alloy Steel Tooth Count (outer) 54 BRAND: PAI 63730 Mack 757KB428A Countershaft Gear PAI 63730....
Mack 757KB434A Countershaft Gear PAI 6374

Mack 757KB434A Countershaft Gear PAI 6374

$450.83 USD
CROSS REFERENCE: 25500657 757KB434A APPLICATION: T2080/T2090/T2100 T2130/T2180 T309L/T310/T2110B/T2110D/T313L/T318L T310M/Multiple Use Application. DETAILS: Maindrive Countershaft Gear Color/Finish Gray Tooth Count (outer) 47 BRAND: PAI 6374   Mack 757KB434A Countershaft Gear PAI 6374....
Mack 615KC4204A Mainshaft Gear PAI 6649

Mack 615KC4204A Mainshaft Gear PAI 6649

$409.01 USD
CROSS REFERENCE: 25134520 25501053 615KC4204A 615KC4190 615KC4204 APPLICATION: Mack T2130/T2180/T313L/T318L/T2070A/C/T20808B/T2070B/T2070D/Multiple Use Application. BRAND: PAI 6649 Mack 615KC4204A Mainshaft Gear PAI 6649. Heavy duty and diesel truck. Supports smooth gear engagement and...
Mack 751KB4164 Gear PAI 806777E

Mack 751KB4164 Gear PAI 806777E

$251.93 USD
CROSS REFERENCE: 25501908 751KB4164 APPLICATION: Mack T313L/T318L T310M/Multiple Use Application. DETAILS: Gear 1ST/6TH Color/Finish Gray Internal Spline Tooth Count 35 Material Alloy Steel Tooth Count (outer) 45 BRAND: PAI 806777E Mack...
Mack 751KB284 Reverse Idler Gear PAI 6331

Mack 751KB284 Reverse Idler Gear PAI 6331

$207.93 USD
CROSS REFERENCE: 751KB284 751KB3541 APPLICATION: Mack T2080B/T2080/T2090/T2100 T2050/T2060/T2070 T2060A/T2130/T2180 T2050/T2070A/T2070C/T309L/T310/T313L/T318LMultiple Use Application. DETAILS: Reverse Idler Gear 4.51in O.D. X 1.13in Width. Color/Finish Gray Material Alloy Steel Tooth Count (outer) 24...
Mack 751KB4141 Mainshaft Gear PAI 806776

Mack 751KB4141 Mainshaft Gear PAI 806776

$276.41 USD
CROSS REFERENCE: 751KB4141 25501619 APPLICATION: T309L/T310/T313L/T318L/T310M/Multiple Use Application. DETAILS: Gear 1ST 5TH Speed Color/Finish Gray Internal Spline Tooth Count 35 Tooth Count (outer) 45 BRAND: PAI 806776 Mack 751KB4141 Mainshaft Gear...