Coil Springs | CargoMaxx | GM | Rear

SKU 351-921HD

CargoMaxxHD heavy-duty coil spring 351-921HD for the GM Escalade, Suburban, Tahoe, Yukon and Yukon XL provides an easy upgrade for SUV's used in continuous heavy hauling conditions. The variable rate HD springs are designed to carry 35% more load at stock load height and improve vehicle ride quality. Fits rear applications.

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Product Specifications

Location:Rear
Note:CARGOMAXX HD coil springs are designed at loaded stock height plus one inch unless otherwise noted in the application guide description. Empty height will vary by application, engine and trim package. Never exceed the manufacturer’s suggested GVW.
Sold in pairs.

4 In Stock
In Stock Orders received before 1pm EST Monday - Friday are shipped same day!

Product Specs for Dayton 351-921HD

Location:Rear
Note:CARGOMAXX HD coil springs are designed at loaded stock height plus one inch unless otherwise noted in the application guide description. Empty height will vary by application, engine and trim package. Never exceed the manufacturer’s suggested GVW.
Sold in pairs.
MPN: 351-921HD

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Dayton 351-921HD Details

CargoMaxxHD heavy-duty front coil springs provide an easy upgrade for vehicles used in continuous heavy hauling conditions. The custom-designed spring provides increased load handling capability and improve vehicle ride quality.

CargoMaxx HD heavy-duty coil springs are great for pickups, SUV’s, vans an motorhomes and are designed to carry 35% more load at stock load height.

Features

Custom-designed for additional load handling capability
Improves handling, ride quality and cornering stability
A must for coil spring-equipped vehicles with diesel engines and/or snowplows
Excellent load handling solution for fleet vehicles
No maintenance required
Reduces driver fatigue
Manufactured in North America

Variable Rate Spring

Variable rate (progressive rate) springs are generally used for applications with significant load changes and have less effect on empty ride. These springs are easily identified by varied spacing between the coils.

Features include:

Smooth transition for a comfortable empty ride
Added roll stability and safety when loaded

Vehicle Application Guide for Dayton 351-921HD

The 351-921HD Coil Springs | CargoMaxx | GM | Rear is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category Heavy Duty Coil Springs to view all vehicle makes and models.

Cadillac
Chevrolet
GMC

Year	Make	Model	Vehicle Option	Installation Notes
2021	Chevrolet	Tahoe	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2021	Chevrolet	Suburban	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2021	GMC	Yukon XL	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2021	GMC	Yukon	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2021	Cadillac	Escalade	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2022	GMC	Yukon XL	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2022	GMC	Yukon	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2022	Chevrolet	Suburban	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2022	Cadillac	Escalade	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2022	Chevrolet	Tahoe	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2023	GMC	Yukon XL	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2023	GMC	Yukon	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2023	Chevrolet	Suburban	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2023	Chevrolet	Tahoe	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.
2023	Cadillac	Escalade	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits rear applications for all styles with Independent Rear Suspension Only. Variable rate spring.

Customer Q&A - Dayton 351-921HD

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Dayton

Dayton Parts employs nearly 300 men and women in its manufacturing, sales and distribution operations, located in multiple facilities in Harrisburg, Pennsylvania and in Alberta, Canada. Their manufacturing plant features state-of-the-art taper spring manufacturing equipment and is capable of producing an infinite number of leaf spring designs, including advanced technology high-stress types.

Dayton Parts complete product offering of brake, spring, steering and suspension product lines are unrivaled in content, quality and coverage.

Today, Dayton Parts, LLC strives to employ groups of highly skilled specialists who ensure they will sustain and develop our prominent role in the aftermarket industry.

For more information, visit Dayton Parts.

Dayton Parts Warranty

1 Year Limited Warranty

Dayton Parts warrants its products against defects in workmanship or material for a period of 1 year.

What the warranty does not cover

Corrosion. Damage due to impact, accident, misuse, overloading or improper installation.

How to get service

If a Dayton product fails as a result from a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.