Suspension and Components Springs and Components

Dorman

LEAF SPRING

$251.91

SKU: D00I 43-1707HD

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Dorman 43-1707HD is a rear leaf helper spring designed to provide additional support and load capacity for your vehicle. Constructed from durable steel with a black finish for corrosion resistance, this spring enhances suspension strength and stability under heavy loads. Its dimensions include a length of 41.625 inches, a width of 3 inches, and a thickness of 0.702 inches, ensuring a precise fit.

This helper spring offers a load increase strength and maximum load rating of 1000 lbs, making it suitable for heavy-duty applications such as towing or hauling. It helps prevent rear suspension sagging, improves stability, reduces bounce, and maintains proper ride height under stress. Mounting hardware is not included and must be sourced separately.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandDorman
Part NumberD00I 43-1707HD

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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