CHEVROLET R30 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Motive Gear Ring and Pinion Sets GM10.5-410 GM 10.5 in. (14-bolt) 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 10.5 in., 14-Bolt, Fits 4.10:1 and Numerically Lower Carrier, Set

Part Number: MGR-GM10-5-410

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Positraction 30 Spline Differential Carriers GM 10.5 Inch (14-bolt) SUM-730987

Differential Carrier, Positraction, 30-spline, Steel, Rear, Chevy, GMC, GM 10.5 in. 14-bolt, Each

Part Number: SUM-730987

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Auburn Gear Select-A-Loc 35 Spline Differential Dana 70 545026

Auburn Gear Select-A-Loc 35 Spline Differential Dana 70 545026

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 70, 10-Bolt, Each

Part Number: AUB-545026

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle Dura Grip Positraction Carriers GM 10.5 Inch (14-bolt) YDGGM14T-3-30-1

Differential Carrier, Limited Slip, 30-Spline, GM 10.5 in. (14-bolt), Steel, Rear, for 4.10 and Numerically Lower Ratios, Chevy, GMC, Each

Part Number: YGA-26030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Timken Pinion Bearings M802048

Bearing, Pinion, 1.625 in. Inside Diameter, Each

Part Number: TMK-M802048

4.67 out of 5 stars ( 30 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Alloy USA Mini Spools GM14/MSPL

Mini Spool, 30-spline, Steel, GM 10.5 in. (14-bolt), Each

Part Number: ALY-GM14MSPL

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Timken Differential Bearings SET45

Bearing, Differential Carrier, Kit

Part Number: TMK-SET45

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Moser Engineering Replacement Alloy Axle Shafts A3089GMTK

Axles, Replacement, Driver Side, Passenger Side, Rear, Chevy, GMC, 8.5 in., Pair

Part Number: MSR-A30-89GMTK

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

OER Differential Vents 15771000

Hardware, Rear Axle/Transmission Ventilator

Part Number: OER-15771000

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle Grizzly Lockers GM 10.5 Inch (14-bolt) YGLGM14T-30

Grizzly Locker, GM 10.5 in., 30 Spline, Each

Part Number: YGA-28015

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle Trac Loc Positraction Internals YPKD60-P/L-35

Differential Carrier Components, Trac Loc Positraction Internals, 35 Spline, Dana 60/70, 35 Spline Axles, Kit

Part Number: YGA-16008

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Timken Differential Bearings 387A

Differential Carrier Bearing, Steel, 2.250 in. Diameter, Chevy, GMC, Dodge, Ford, International, Jeep, Each

Part Number: TMK-387A

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Master Ring and Pinion Installation Kits R14RMKHT

Ring and Pinion, Master Installation Kit, GM, 10.5 in., 14-Bolt, Kit

Part Number: MGR-R14RMKHT

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle 10 Bolt Dana 50/60/70 Differential Cover YHCC-D60

Differential Cover, 10-bolt, Black, Dana 50, Dana 60, Dana 70, Dana 70-HD, Dana 70-U, Dana Super 70, Each

Part Number: YGA-32352

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Timken Pinion Bearing Races M802011

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Powertrax Lock-Right Lockers GM 10.5 Inch (14-bolt) 1955-LR

Differential, Lock-Right, Locker, 30-Spline, GM, 10.5 in., Each

Part Number: PWT-1955-LR

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Master Ring and Pinion Installation Kits R14RMKH

Ring and Pinion Installation Kit, Master Kit, GM, 10.5 in., Kit

Part Number: MGR-R14RMKH

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Ring and Pinion Sets GM10.5-373 GM 10.5 in. (14-bolt) 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: MGR-GM10-5-373

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Timken Differential Bearings 387AS

Differential Carrier Bearing, Rear, Steel, 2.250 in. Diameter, Chevy, GMC, Dodge, Mercedes-Benz, Workhorse

Part Number: TMK-387AS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM14T

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 10.5 in. (14-bolt), Kit

Part Number: YGA-55067

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle Master Overhaul Kits YK GM14T-A

Ring and Pinion Gear Installation Kit, Master Overhaul Kit, 30 Spline, GM 10.5 in., 14-Bolt, Truck, Kit

Part Number: YGA-14070

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle Ring and Pinion Sets YG GM14T-321 GM 10.5 in. (14-bolt) 3.21 Gears

Ring and Pinion Gears, GM 10.5 in. (14-bolt), 3.21:1 Ratio, 30-spline, Standard Ring Gear Rotation, Rear, Chevrolet, GMC, Set

Part Number: YGA-24465

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Timken Pinion Bearings HM88649

Differential Pinion Bearing, 1.375 in. Inside Diameter, Each

Part Number: TMK-HM88649

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle 30 Spline Differential Carrier Cases GM 10.5 Inch (14-bolt) YC G6258336

Differential Carrier Cases, GM 10.50 in. 30 Spline, 4.10 and Down Ratio, Each

Part Number: YGA-20100

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Yukon Gear & Axle Cut-to-Fit Axle Shafts YA WGM14T-30-35

Axle Shaft, Rear, 4340 Chromoly, 30-spline, 35.000 in. Length, Full Floating, GM 10.5 in (14-bolt), GM 11.5 in

Part Number: YGA-21716

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air