2008 GMC SIERRA-2500-HD Transmission & Drivetrain

Differential, Eaton Detroit Truetrac, 30-Spline, AAM, 11.5 in., 14-Bolt, Each

Part Number: ETN-915A568

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/22/2025

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Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/22/2025

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Axle Shaft, CV-Style, Chevy, Each

Part Number: ADO-85126785

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Transmission Dipstick, Braided Stainless Housing, Aluminum, Black Anodized Handle, 6L80E, Each

Part Number: LOK-XTD-36L80FM

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

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Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each

Part Number: HAY-10-030

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

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Automatic Transmission Shift Kits, Reprogramming Kit, Performance/Tow/Haul, GM, 6L45, 6L50, 6L80, 6L90, Kit

Part Number: TRG-6L80-TOW-PRO

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Transmission Dipstick, Braided Stainless Steel, Firewall Mount, Black Tube, Chevy, GMC, 6L80E, 6L90E, Each

Part Number: LOK-XTD36L80FM36

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/22/2025

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Transmission Bellhousing, New, Aluminum, 6L80, 6L90, Each

Part Number: ADO-24248031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19689-010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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U-Joint, Light Duty, Spicer 1410 Style, Steel, 4 Plain Bearing Cap Style, Each

Part Number: SDH-5-1410X

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/22/2025

Flexplates, GM Genuine Parts, 168-tooth, Steel, 14.13 in. Diameter, Internal Engine Balance, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12654640

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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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 9/22/2025

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Differential Cover, Power Ram-Air, Satin Black, Milled Aluminum, Chevy, GMC, Dodge, AAM 11.5/11.8, 14-Bolt, Rear Axle, Each

Part Number: GBE-19249

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Monday 9/22/2025

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-373

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

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U-Joint, Light Duty, Spicer SPL25/S44 Type, Each

Part Number: SDH-5-795X

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Monday 9/22/2025

Flexplate Bolt, Steel, 11mm x 1.5, 0.800 in. UHL, Chevy, Gen III/IV, LS Series, Automatic Transmission only, Each

Part Number: NAL-11569956

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

Transmission Fluid Dipsticks, Hi-Tech Flexible Braided Stainless, Firewall Mount, Case Entry, Tube, Brite Anodized Handle, Chevy, GMC, 6L80E, 6L90E

Part Number: LOK-TD-36L80FM36

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

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Ring and Pinion Gears, 3.73:1 Ratio, 11.500 in. Ring Gear, Chrysler 11.5 in., GM 11.5 in., Set

Part Number: YGA-24441

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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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 9/22/2025

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Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Rear, Each

Part Number: YGA-26033

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: YGA-28015

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/22/2025

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Transmission Pan, Aluminum, Natural Finish, Deep, Extra 4 Qt., Filter, Chevy, GMC, Allison 1000, 2000, 2400, Each

Part Number: PPE-128051000

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

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Wheel Hub and Bearing, Steel, Front, Cadillac, Chevy, GMC, Hummer, Each

Part Number: MOG-515098

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

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