1980 GMC Chassis Components

Crossmember, Transmission, Steel, Black, GM, TH200/TH350/M-21/M-22/Powerglide/Saginaw/Super T-10, Each

Part Number: SUM-770300

4.84 out of 5 stars ( 75 )

Estimated Ship Date: Today

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Crossmember, Transmission, Steel, Black, GM, 700R4/T-5/4L60, Each

Part Number: SUM-770301

4.74 out of 5 stars ( 47 )

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Transmission Crossmember

Part Number: UPI-3108-B

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Frame Brace, Chassis Stiffening Kit, Steel, 73-87 Chevy/GMC C-Series Truck, Short Bed, Kit

Part Number: SUM-770824

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Wheel Tubs, Steel, EDP Finish, 43.00 in. Length, Wheel Tub Is 4 in. Wider Than Stock, Chevrolet, GMC, Each

Part Number: KPT-0850-326

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Transmission Crossmember, Steel, Black Powdercoated, 73-87 Chevy, GMC, C-10, TH350, TH400, Powerglide, 700R4, Each

Part Number: SUM-770581-R1

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Transmission Crossmember

Part Number: UPI-3108-R

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Crossmember, Transmission, Steel, Black, GM, TH400, Includes SUM-770307, Each

Part Number: SUM-770303

4.84 out of 5 stars ( 19 )

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Crossmember, Engine, Steel, Black, Chevy, GMC, Truck, Cummins Conversion, 6BT, Each

Part Number: SUM-770360

4.14 out of 5 stars ( 7 )

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Crossmember, Transmission, Steel, Black, GM, G-Body, 4L80E, Each

Part Number: SUM-770324

4.58 out of 5 stars ( 12 )

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Transmission Frame Extension, Steel, Black, GM G-body, Automatic, Manual, Each

Part Number: SUM-770307

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

Transmission Crossmembers, LS Engine Swap Transmission Crossmembers, Steel, Black Powdercoated, Automatic, Buick, Chevrolet, GMC, Olds, Pontiac, Each

Part Number: HOK-12644HKR-1

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Crossmember, Steel, Black, Chevy, GMC, Kit

Part Number: TRD-6421

3.88 out of 5 stars ( 24 )

Estimated Ship Date: Today

Transmission Crossmember, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: SUM-770545

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Transmission Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Part Number: HOK-BHS548

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Part Number: HOK-BHS549

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Transmission Crossmember, Steel, Black Powdercoated, Chevy, GMC, TH350, TH400, Powerglide, 700R4, Each

Part Number: CLP-CP90171

3.66 out of 5 stars ( 41 )

Estimated Ship Date: Today

Chassis Stiffeners, Frame Rail to Crossmember Braces, Front, Steel, Black Powdercoated, Chevy, GMC, Pair

Part Number: ART-11369550

3.67 out of 5 stars ( 3 )

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Transmission Crossmember, GM Gen III/IV, Gen V Swap, Blackheart, Steel, Black Powdercoat, Chevrolet, GMC, Each

Part Number: HOK-BHS550

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Transmission Crossmember, Steel, Black Powdercoated, G-Body, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-770557

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Estimated Ship Date: May 26, 2026 if ordered today

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Transmission Crossmember, LS Swap, Steel, Black, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: TRD-6422

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Crossmember, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: GMF-120-5117

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Crossmembers, Steel, Black Powdercoated, Frame Extension, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, 4L80E, 4L85E, Each

Part Number: SUM-770286

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Shock Braces, Steel, Black Powdercoated, Rear, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: AAX-300331

Not Yet Reviewed

Estimated Ship Date: Today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/ ...Read More

Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back. Show Less

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