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Chassis & Suspension

Car & Truck Chassis & Suspension Parts

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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...

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 suspension mounts and bushings.

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Individual Parts

Results 1 - 25 of 2000 +

Coil Spring Seat, Lower, Steel, Black, Ford, Each

Part Number: SDK-C4DZ3388HP

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Coil Spring Seat, Lower, Steel, Black, Ford, Each

Part Number: SDK-C4DZ-3388-RI

4.46 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Coil Spring Seat, Lower, Steel, Black, Each

Part Number: WHL-W71407G

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Coil Spring Seat And Bushing

Part Number: GMK-3020972643S

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Spring Perches, Bolt-On, Upper, Steel, Black, Ford, Pair

Part Number: AJE-MU-1001

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Coil Spring Seat, Lower, Steel, Black, Each

Part Number: AAF-ALL56124

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Coil Spring Seat, Front Upper, Rubber, Dodge, 4WD, Each

Part Number: MOG-K160015

2.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Coil Spring Seat, Front Upper, Black, Rubber, Chevy, Each

Part Number: MOG-K160021

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Coil Spring Seat, Replacement, Front Lower, Steel, Primer, Dodge, Pair

Part Number: RNB-926-071

Not Yet Reviewed

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Suspension Coil Spring Seat

Part Number: MOG-K160311

Not Yet Reviewed

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Seat Pan Support GM C2 Corvette 1963-67 2 Reqired Per Car

Part Number: IST-XMG-01700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Coil Spring Seat, Replacement, Left Rear Upper, Steel, Primer, Jeep, Each

Part Number: RNB-926-080

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Rear Coil Spring Bucket, Rear Right Upper with Shock Mount, Steel, Toyota, Each

Part Number: RBF-RB8418R

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Coil Spring Seat, Rubber, Black, Spring Seat Insulator with Boot, Front Upper, Cadillac, Chevrolet, GMC, Each

Part Number: KYB-SM5717

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Coil Spring Seats, Lower, Steel, Red Powdercoated, Ford, Pair

Part Number: BMR-CSS730R

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Coil Spring Seat, Rubber, Black, Front Upper, Dodge, Jeep, Each

Part Number: KYB-SM5783

Not Yet Reviewed

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Coil Spring Cup, Upper, Steel, Black, Each

Part Number: AAF-ALL56113

Not Yet Reviewed

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Coil Spring Seat;

Part Number: KYB-SM5485

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Rear Coil Spring Bucket, Left Rear Upper, Steel, Natural, Toyota, Each

Part Number: RBF-RB8426L

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Rear Coil Spring Bucket, Rear Left Upper with Shock Mount, Steel, Toyota, Each

Part Number: RBF-RB8418L

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Coil Spring Seat, Rear Lower, Steel, Black, GM, Each

Part Number: GMK-4030-989-642

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2026 if ordered today

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Estimated Ship Date: Aug 11, 2026 if ordered today

Coil Spring Seat, Replacement, Front, Steel, Primer, 3.0 in. Tru-Lok, Jeep, Pair

Part Number: RNB-523-281

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Coil Spring Seat, Steel, Black, Front Upper, for Infiniti, for Nissan, Each

Part Number: KYB-SM5718

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Upper Spring Seat and Isolator

Part Number: KYB-SM5702

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Coil Spring Seat, Front Left/Right Upper, BMW, Each

Part Number: URO-010984

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today