1978 PONTIAC BONNEVILLE Chassis Components

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: Monday 3/16/2026 if shipped by air

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Transmission Crossmember, Steel, Chevy, B-Body, 700R4, 4L60E, Each

Part Number: SUM-770372

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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

Part Number: SUM-770286

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Estimated Ship Date: May 4, 2026 if ordered today

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

Part Number: SUM-770542

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Estimated Ship Date: May 4, 2026 if ordered today

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

Part Number: SUM-770543

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Estimated Ship Date: May 4, 2026 if ordered today

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Transmission Crossmembers, Steel, Black Powdercoated, Frame Extension, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, T-56 Manual, Each

Part Number: SUM-770287

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Estimated Ship Date: May 4, 2026 if ordered today

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

Part Number: AAX-300331

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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

Part Number: SUM-770541

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Estimated Ship Date: May 4, 2026 if ordered today

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Trailing Arm Mount Braces, Tubular, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-5210

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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