Tuff Country 37755 Rear Axle U-Bolts Zinc 5.5in Blocks Ram 2500 3500 4WD 1994-02
- Regular price
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$88.95 - Regular price
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- Sale price
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$88.95
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Product Specification:
SKU:TUF37755
MPN: 37755
UPC: 698815377556
Weight: 11.3 lb
Type: Differential Mounts
Vehicle Fitment
- 1994-2002 Dodge Ram 2500 - 4WD, with factory contact overloads, lifted with 5.5" rear blocks
- 1994-2002 Dodge Ram 3500 - 4WD, with factory contact overloads, lifted with 5.5" rear blocks
Fitment Notes
- Fits models with factory contact overload leaf springs only - does NOT fit Ram 2500/3500 models without factory contact overloads
- Designed specifically for use with 5.5" rear lift blocks - length and geometry are sized for this lift height
- Not intended for use with OEM-height blocks or other lift block heights
- Sold as a set of 4 U-bolts with all required nuts and washers
- Made in the USA
Features
- Purpose-built for lifted Ram 2500/3500 4WD trucks - properly sized for 5.5" rear lift blocks where factory or universal U-bolts are too short or incorrectly sized
- Zinc plated steel construction - corrosion resistant coating protects against rust and road salt in both on-road and off-road environments
- Square bend style - matches the rear axle housing geometry of the Ram 2500/3500 for proper clamping and seating
- 18" length provides the correct thread engagement and clearance for 5.5" rear lift block applications
- All required hardware included - nuts and washers for all 4 U-bolts supplied in the kit
Specifications
- Part Number: 37755
- Component Type: Rear Axle U-Bolt Kit
- Material: Steel
- Finish: Zinc Plated
- Bend Style: Square
- Bolt Diameter: 9/16 in.
- Inside Diameter: 3 in. (2.980 in.)
- Length: 18 in.
- Designed For Lift Block Height: 5.5 in.
- Position: Rear Axle
- Quantity: Set of 4
- Country of Origin: USA
Included Components
- 4x Zinc-Plated Square Rear Axle U-Bolts (18 in. length, 9/16 in. diameter)
- Nuts and washers for all 4 U-bolts
Product Description
The Tuff Country Rear Axle U-Bolt Kit (37755) provides the correct-length, properly sized U-bolts for 1994-2002 Dodge Ram 2500 and Ram 3500 4WD trucks equipped with factory contact overload leaf springs and lifted with 5.5" rear blocks. Factory-length U-bolts are too short to use with lift blocks of this height, and universal U-bolts rarely provide the correct inside diameter, thread size, and bend geometry for a specific application. The Tuff Country 37755 kit is purpose-designed for this exact setup - 18" long, 9/16" diameter, square bend, 3" inside diameter - ensuring proper axle clamping, spring plate seating, and safe, secure assembly at the lifted ride height.
The zinc-plated steel construction resists rust and corrosion for long service life in demanding conditions. All required nuts and washers are included. Fits factory contact overload models only - verify your Ram's spring pack configuration before ordering. Made in the USA.

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