Car & Truck Chassis & Suspension Parts

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...

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Results 1 - 25 of 81

UMI Performance Replacement Control Arm Bolts 4004

UMI Performance Replacement Control Arm Bolts 4004

Control Arm Bolts, Hex Nuts, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-4004

3.81 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Traction Bar U-Bolt Kits SUM-SM4004

Traction Bar U-Bolts, 3-1/2 in. Center to Center, 3/8-24 in. Thread, Grade 5, Zinc Plated, Kit

Part Number: SUM-SM4004

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Old Man Emu Coil Springs for 2005-2023 TACOMA - 4004

COIL SPRING FRONT PAIR

Part Number: EMU-4004

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Competition Engineering Front Motor Plates C4004

Motor Plate, Front, Aluminum, 0.250 in. Thick, Chevy, Small Block, Each

Part Number: CEE-4004

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

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Estimated Ship Date: Sep 4, 2025 if ordered today

Global West Suspension Control Arm Hardware Kits 4004

Control Arm Hardware, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: GLS-4004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 29, 2025 if ordered today

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Estimated Ship Date: Sep 29, 2025 if ordered today

Lares Remanufactured Power Steering Pumps for 2013-2015 GLK350, 2012 R350 - 4004

PS Pump

Part Number: LSC-4004

Not Yet Reviewed

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Cardone Remanufactured Rack and Pinion Units for 1998-2000 ML320, 1999-2000 ML430 - 26-4004

Rack and Pinion, Replacement, Each

Part Number: AAZ-26-4004

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 2025 if ordered today

Progressive Suspension FST Touring Fork Monotube Kits 31-4004

Fork Cartridge Kit, Touring with F.S.T., Monotube, Stock Height, Harley-Davidson®, Kit

Part Number: PGR-31-4004

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 28, 2025 if ordered today

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Estimated Ship Date: Aug 28, 2025 if ordered today

Cardone New Rack and Pinion Units for 1998-2000 ML320, 1999-2000 ML430 - 97-4004

Rack and Pinions, New, Hydraulic Power Assist, Front, Black Aluminum Rack, 40.900 in. Length, Mercedes-Benz, Each

Part Number: AAZ-97-4004

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

Steeda Rear Control Arm Bushings for 1979-1998 MUSTANG - 555-4004

Control Arm Bushing, Rear, Upper, Polyurethane, Ford, Kit

Part Number: SDA-555-4004

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1985-1988 4RUNNER, 1979-1988 PICKUP - 4004E-AP