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...

Showing In Stock Items. Show All 819 Items.

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Results 1 - 25 of 590

Dorman - Ball Joints for 2004 LS, 2002-2005 THUNDERBIRD - 540-019

Ball Joint, Ford Thunderbird 2005-02, Lincoln LS 2006-02

Part Number: RNB-540-019

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Sway Bar End Links for 2000-2004 LS, 2002-2005 THUNDERBIRD - 542-638

Stabilizer Bar Link, Ford Thunderbird 2005-02, Lincoln LS 2006-00

Part Number: RNB-542-638

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Tie Rod Ends for 2004 LS, 2003-2008 S-TYPE, 2004-2005 THUNDERBIRD - 543-740

Tie Rod, Ford Thunderbird 2005-03, Jaguar S-Type 2008-03, Lincoln LS 2006-03

Part Number: RNB-543-740

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Tie Rod Ends for 2000-2004 LS, 2002 S-TYPE, 2002-2005 THUNDERBIRD - 544-551

Tie Rod, Ford Thunderbird 2005-02, Jaguar S-Type 2002-99, Lincoln LS 2006-00

Part Number: RNB-544-551

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Sway Bar End Links for 2000-2004 LS, 2002-2005 THUNDERBIRD - 542-630

Stabilizer Bar Link, Ford Thunderbird 2005-02, Lincoln LS 2006-00

Part Number: RNB-542-630

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Sway Bar End Links for 2000-2004 LS, 2002 S-TYPE, 2002-2005 THUNDERBIRD - 541-861

Stabilizer Bar Link, Ford Thunderbird 2005-02, Jaguar S-Type 2002-99, Lincoln LS 2006-00

Part Number: RNB-541-861

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Sway Bar End Links for 2000-2004 LS, 2002-2005 THUNDERBIRD - 542-637

Stabilizer Bar Link, Ford Thunderbird 2005-02, Lincoln LS 2006-00

Part Number: RNB-542-637

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman - Ball Joints for 2000-2002 LS, S-TYPE, 2002 THUNDERBIRD - 540-018

Ball Joint, Ford Thunderbird 2002, Jaguar S-Type 2002-99, Lincoln LS 2002-00

Part Number: RNB-540-018

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Tie Rod Ends for 2000-2004 LS, 2002 S-TYPE, 2002-2005 THUNDERBIRD - 544-552

Tie Rod, Ford Thunderbird 2005-02, Jaguar S-Type 2002-99, Lincoln LS 2006-00

Part Number: RNB-544-552

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Tie Rod Ends for 2000-2002 LS, 2002 THUNDERBIRD - 543-742

Tie Rod, Ford Thunderbird 2002, Lincoln LS 2002-00

Part Number: RNB-543-742

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Ridetech Streetgrip Coil Springs 11162350

Ridetech Streetgrip Coil Springs 11162350

Coil Springs, StreetGrip, Front, Blue Powdercoated, Chevy Camaro, Small Block or LS Swap, Pair

Part Number: ART-11162350

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Detroit Speed Lowering Springs 041804PDS

67-72 A-Body Coil Spring Kit SBC, BBC, LS 1" Drop Each

Part Number: DSR-041804PDS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Ridetech Motor Mounts 11169512

Engine Mount Brackets, Steel, Black, LS Engine Swap, RideTech F-body Subframe, Pair.

Part Number: ART-11169512

Not Yet Reviewed

Estimated Ship Date: Today

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Detroit Speed Lowering Springs 041802PDS

64-66 A-Body Coil Spring Kit SBC, BBC, LS 1.25" Drop - 1.5" Drop Each

Part Number: DSR-041802PDS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

UMI Performance Stock Height Springs 4049

Stock Height Springs, Coil, Buick, Chevrolet, Oldsmobile, Pontiac, Front/Rear, Set of 4

Part Number: UPI-4049

3.83 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

UMI Performance Stock Height Springs 4049F

Coil Springs, Stock Height, Front, 15.625 in. Free Length, 550 lbs. Rate, 850 lbs.at 13.875 in., Black, Buick, Chevrolet, Oldsmobile, Pontiac, Pair

Part Number: UPI-4049F

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Leaf Springs 22-1487

Leaf Spring, Replacement, Stock Ride Height, Black, Rear, Chevrolet, GMC, Each

Part Number: RNB-22-1487

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Control Arms for 2000-2004 LS, 2002-2005 THUNDERBIRD - 524-606

Control Arm, Stock, Aluminum, Natural, Ford, Rear Right Upper, Each

Part Number: RNB-524-606

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Control Arms for 2000-2002 LS, 2000 S-TYPE, 2002 THUNDERBIRD - CA85563

CONTROL ARM

Part Number: RNB-CA85563

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Magnetic Ride Control Shocks for 2009-2015 CTS - 949-704

Shock, Magnetic, Front Left, Front Right, Cadillac, Each

Part Number: RNB-949-704

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Control Arms for 2002-2003 LS, 2002-2005 THUNDERBIRD - CA85304

CONTROL ARM

Part Number: RNB-CA85304

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Sway Bars 927-140

Sway Bar, Replacement, Front, Solid, Steel, Black, Cadillac, Chevrolet, GMC, Kit

Part Number: RNB-927-140

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Control Arms 522-025

Rear Lower Control Arm

Part Number: RNB-522-025

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Control Arms for 2000-2002 LS, S-TYPE, 2002 THUNDERBIRD - 521-124

Control Arm, Passenger Side Front Lower, Aluminum, Natural, Lincoln, Each

Part Number: RNB-521-124

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Control Arms for 2000-2006 LS, 2002-2005 THUNDERBIRD - CB85548

CONTROL ARM

Part Number: RNB-CB85548

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

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