PONTIAC BONNEVILLE Chassis Components

Chassis Stiffeners, Front Reinforcement Braces, Front Lower Position, Steel, Black Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-3053-B

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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 3/2/2026 if shipped by air

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Strut Braces, Rear Upper, Black Powdercoated, Steel, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: UPI-3055-B

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Transmission Crossmember

Part Number: UPI-3108-R

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Chassis Stiffeners, Front Reinforcement Braces, Front Lower Position, Steel, Red Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-3053-R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Transmission Crossmember, Steel, Chevy, B-Body, TH400, 200R4, Each

Part Number: SUM-770373

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Transmission Crossmember

Part Number: UPI-3108-B

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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: Monday 3/2/2026 if shipped by air

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Strut Braces, Rear Upper, Red Powdercoated, Steel, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: UPI-3055-R

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 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: Apr 22, 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: Apr 22, 2026 if ordered today

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

Part Number: SUM-770559

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 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: Apr 22, 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: Apr 22, 2026 if ordered today

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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: Apr 22, 2026 if ordered today

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Trailing Arm Brackets, Lower, 3.00 in. Tubing Diameter, Steel, Natural, Bolt-on, Pair

Part Number: PE2-S0181

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-770560

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Transmission Crossmember, X-Factor, Aluminum, Black Powdercoated, Adjustable, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: AWR-XMGM-20013

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 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 19, 2026 if ordered today

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Trailing Arm Brackets, Lower, 3.00 in. Tubing Diameter, Steel, Natural, Weld-on, Pair

Part Number: PE2-HMBLMULTI

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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: Apr 22, 2026 if ordered today

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

Part Number: SUM-770562

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Frame Repair Plate, Rear, Steel, Natural, 0.125 in. Thick, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: AAF-ALL60085

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Crossmember GM G-Body 1978-88 TKO/TKX

Part Number: IST-XMG-14008

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Estimated Ship Date: Apr 2, 2026 if ordered today

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