Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

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Results 1 - 25 of 306

Warn Premium Manual Hubs 20990

Locking Hubs, Manual, Premium, Aluminum, Chrome, Black Dial, Chevy, Dodge, Ford, International, Jeep, Dana 44, Pair

Part Number: WRN-20990

4.45 out of 5 stars ( 96 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Positraction 30 Spline Differential Carriers Dana 44 SUM-730972

Differential Carrier, Positraction, Nodular Iron, Dana 44, 3 Series, 30 Spline, Each

Part Number: SUM-730972

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products Differential Cover Kits 10023536

Differential Covers, Differential Cover Kits, Dana 44, 10-bolt, Nodular Iron, Silver Hammertone Powdercoated, Bolts, Gaskets, Kit

Part Number: SDH-10023536

4.95 out of 5 stars ( 22 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products Wheel Bearing Seals 35239

Axle Seal, AMC Model 20/Dana 44, Each

Part Number: SDH-35239

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle 10 Bolt Dana 44 Differential Cover YHCC-D44

Differential Cover, Hardcore, Nodular Iron, Black Powdercoated, Dana 44, Each

Part Number: YGA-29101

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products Axle Bearings 706527X

Axle Bearings, Spindle Bearing, Axle Seals, Front, Dana 44 IFS, GM 8.5 in. (Truck, Front), AMC, Chevy, Dodge, Ford, GMC, International, Jeep, Kit

Part Number: SDH-706527X

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Dura Grip Positraction Carriers Dana 44 YDGD44-4-30-1

Differential Carrier, Dura Grip Positraction, Clutch-type, 30-Spline, 3.92 and Numerically Higher Gear Ratios, Dana 44 Rear/IFS, Various, Each

Part Number: YGA-26027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle 30 Spline Differential Carrier Cases Dana 44 YC D706025

Differential Carrier Cases, Dana 44, 30 Spline, 3.92 and Up Ratio, Each

Part Number: YGA-20028

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products End Yokes 2-4-8091X

Yokes, End Yokes, Spicer 1310, 26-spline Inner, Steel, Front Differential or Rear Differential Position, Dana 30/Dana 44, Each

Part Number: SDH-2-4-8091X

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Motive Gear Ring and Pinion Sets D44-373 Dana 44 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 44, Set

Part Number: MGR-D44-373

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

USA Standard Gear Master Overhaul Kits ZK D44

Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 10-bolt, 31-spline, Standard Ring Gear Rotation, Dana 44, Front, Chevy, Dodge, Ford, Kit

Part Number: SPZ-37008

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Ring and Pinion Sets YG D44-354 Dana 44 3.54 Gears

Gear, Ring and Pinion, 3.54:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24030

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Master Overhaul Kits YK D44

Ring and Pinion Gear Installation Kit, Master Overhaul, Dana 44, Kit

Part Number: YGA-14021

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Motive Gear Ring and Pinion Sets D44-354 Dana 44 3.54 Gears

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 44, Set

Part Number: MGR-D44-354

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products Axle Seals 620216

Axle Shaft Seal Dana 44 & 60

Part Number: SDH-620216

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products Differential Cover Performance Gaskets 34685

Differential Cover Gasket, Performance, Composite, Dana 44, Each

Part Number: SDH-34685

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Grizzly Lockers Dana 44 YGLD44-4-30

Grizzly Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-28001

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Motive Gear Ring and Pinion Sets D44-456 Dana 44 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, Dana 44, Set

Part Number: MGR-D44-456

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Moog Premium U-Joints 355

Universal Joint, Mechanics 3/Saginaw 44/American Axle 1344 to 1330 Conversion, Greasable, Steel, Each

Part Number: MOG-355

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Moog Super Strength U-Joints 290

Universal Joint, Mechanics 3/Saginaw 44/American Axle 1344 to Spicer 1330 Conversion, Greasable, Steel, Each

Part Number: MOG-290

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Auburn Gear Grip-N-Loc 19 Spline Differential Dana 44 546084

Auburn Gear Grip-N-Loc 19 Spline Differential Dana 44 546084

Differential, Auburn, Grip-N-Loc, Limited Slip, 19-Spline, Chevrolet, Dodge, Ford, Jeep, Dana 44, Each

Part Number: AUB-546084

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products Pinion Oil Slingers and Baffles 32349

Outer Pinion Bearing Oil Slinger, Dana 30, Dana Super 30, Dana 25, Dana 27, Dana 44, Front, Rear, Each

Part Number: SDH-32349

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Eaton Electronic ELocker Stator and Armature Service Kits 26982-00S

Differential Carrier Replacement Parts, Service Kit, Stator/Amature, Dana 44, 4 Pinion, Kit

Part Number: ETN-26982-00S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Drivetrain Products Front Axle Stubs 620200

Axle Shaft, Front Outer, 19 Spline, 9.720 in. Length, Dana 44, Each

Part Number: SDH-620200

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Spider Gear Kits YPKD44-S-30

Spider Gear Kit, Open Differential, Dana 44, 30 Spline, Kit

Part Number: YGA-16077

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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