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Dorman - Severe Heavy Duty Coil Spring Upgrade - 70 Percent Increased Load Handling - 929-930

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$250.09
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SKU: 591|929-930

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Dorman - Severe Heavy Duty Coil Spring Upgrade - 70 Percent Increased Load Handling - 929-930
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Severe Heavy Duty Coil Spring Upgrade - 70 Percent Increased Load Handling

Product Description

This pair of extra-heavy-duty coil springs is designed to provide a 70% increase in load handling capability over the vehicle's nominal spring rate, and offer an easy upgrade for vehicles used in continuous heavy hauling conditions. Custom-engineered to improve ride quality, reduce driver fatigue, and improve handling, they're an ideal replacement for coil springs on many pickup trucks, SUVs, RVs, plow trucks, vans and more. Prefer upgrading to coil springs that aren't as stiff? Check out the lighter version of this spring set that provides a 35% increase in load handling capability over your truck's nominal spring rate.

  • Upgraded spring rate - this pair of extra-heavy-duty coil springs is designed to provide a 70% increase in load handling capability over the nominal spring rate of specified vehicles
  • Ideal solution - precision-engineered to improve ride quality, reduce driver fatigue and improve handling on many pickup trucks, SUVs, RVs, plow trucks, vans and more
  • Durable construction - manufactured from quality steel to help ensure reliable performance and to replace or upgrade worn or damaged coil springs
  • Lighter-duty version available - for less stiffness, upgrade to our version of this spring set that provides a 35% increase in load handling capability over the vehicle's nominal spring rate

Product Specifications

Color: Metallic Grey
End 1 Type: Pigtail Over Center
End 2 Type: Pigtail Over Center
Finish: Powder Coat
Height: 16 in
Material: 5160H Alloy
OE Lift: +2 in
Package Contents: 2 Coil Springs
Packaging Type: Box
Seat Included: No
Spring Rate Type: Variable
Spring Type: Coil Spring
Suspension Grade Type: XHD
Wire Diameter: 0.718 in

Fitment

Year Make Model Configuration Positions Application Notes
2000 Cadillac Escalade Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty
2002-2021 Cadillac Escalade Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty
2015-2021 Chevrolet Suburban Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty
2000-2021 Chevrolet Tahoe Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty
2000-2021 GMC Yukon Rear Variable Rate; 70% Over Original Rating; Servere Heavy Duty
2015-2021 GMC Yukon XL Rear Variable Rate; 70% Over Original Rating; Servere Heavy Duty
2014 Chevrolet Suburban (Mexico) Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty
2000-2014 Chevrolet Suburban 1500 Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty
2000-2014 GMC Yukon XL 1500 Rear Variable Rate; 70% Over Original Rating; Servere Heavy Duty
2007-2013 Chevrolet Avalanche Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty
2002-2006 Chevrolet Avalanche 1500 Rear Variable Rate; 70% Over Original Rating; Severe Heavy Duty

Buy with confidence – If you encounter any issues with your Dorman product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our policy guidelines.

Why Choose Dorman?

Dorman is a trusted leader in OE-style replacement parts, offering precision-engineered solutions for reliable performance. Each part undergoes rigorous testing to ensure durability, safety, and a seamless fit. Designed as a cost-effective alternative to OEM parts, Dorman provides high-quality replacements backed by expert engineering. Choose Dorman for dependable, long-lasting automotive solutions.

We assure you that we ship all the parcels received on the same day till 12 pm standard central time.

  • Usually, it takes 1 to 5 days for the package to reach.
  • Our standard shipping is FedEx home delivery or UPS Ground. Delivery for residential locations is estimated to be on Saturdays ( this applies to 48 continental states).
  • Delivery for residential locations is estimated to be on Saturdays ( this applies to 48 continental states).
  • The email address on the order will send you all the shipment tracking details.
  • Please note that we are not responsible for any delays because of holidays, weather, or anything beyond our control.

We send shipment tracking numbers via email. It is sent to the email address you provided in your order. If you would like to change the email address you provided, Feel free to contact our support team at (support@part-synergy.com).

Return Shipping

We are here to serve you. If there is any item that is damaged or needs to be exchanged or returned for any reason, please contact our support team(support@part-synergy.com). Please read our return and exchange policy to learn more about this.

All orders are free of shipment costs. The cost mentioned on the website is for getting it to your doorstep.

Please do get in touch with our customer support as they may be able to provide you with a return label which will cost you much less. But if you still need to send an item back, here is our shipping address. 

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