MaxTrac K947385A 8" Lift Kit with MaxTrac Shocks for 2013-2018 Ram 3500 4WD Diesel Factory Rear Air Ride

Take Your Ram 3500 to the Next Level with an 8-Inch Lift

Transform your 2013–2018 Ram 3500 4WD Diesel with the MaxTrac K947385A Lift Kit. Designed specifically for trucks equipped with factory rear air ride, this complete suspension system delivers 8 inches of front lift and 5.5 inches of rear lift using diesel-specific lift coils, radius arm drop brackets, steering correction components, rear air bag spacers, lift blocks, U-bolts, and matched MaxTrac shocks. Engineered for maximum ground clearance and dependable ride quality, this kit clears up to 40-inch tires while maintaining proper suspension geometry.

Key Features

Complete 8-Inch Lift System

Comprehensive suspension package designed to provide a balanced 8-inch front lift and 5.5-inch rear lift for an aggressive stance and improved off-road capability.

Diesel-Specific Front Lift Coils

Heavy-duty front lift coils are engineered specifically to support the weight of Cummins diesel-powered Ram 3500 trucks.

Radius Arm Drop Brackets

Radius arm drop brackets help restore factory caster angles and maintain proper suspension geometry for improved handling and ride quality.

Steering Geometry Correction Components

Includes a trac bar bracket, pitman arm, sway bar brackets, and bump stop extensions to properly correct steering and suspension alignment after lifting.

Factory Rear Air Ride Compatible

Designed specifically for Ram 3500 models equipped with factory rear air suspension, including rear air bag spacers to maintain proper air ride operation and ride height.

MaxTrac Front & Rear Shocks Included

Includes (2) MaxTrac 2900SL-8 front shocks and (2) MaxTrac 3400LL-4 rear shocks for superior ride control, stability, and off-road performance.

What's Included

Diesel front lift coils
Radius arm drop brackets
Trac bar bracket
Pitman arm
Sway bar brackets
Bump stop extensions
Rear lift blocks
Heavy-duty U-bolts
Rear air bag spacers
(2) MaxTrac 2900SL-8 front shocks
(2) MaxTrac 3400LL-4 rear shocks
Installation hardware (where supplied by manufacturer)

Vehicle Fitment

Fits

2013–2018 Ram 3500 4WD Diesel
Models equipped with factory rear air ride

Does Not Fit

2WD models
Cab & Chassis (Fleet) models
Standard rear suspension models without factory rear air ride

Important Notes

Requires 18-inch wheels or larger with 5.5 inches of backspacing or less.
Clears up to 40x13.50 tires on 8- to 9-inch-wide wheels.
Minor fender trimming may be required depending on tire and wheel combination.
Designed for diesel models only. If installed on a gas-powered truck, expect approximately 1.5 to 2 inches of additional front lift.
Does not fit 2WD models.
Does not fit Cab & Chassis (Fleet) trucks.
Fits factory rear air ride equipped models only.
MaxTrac does not recommend using wheels wider than 9 inches or wheels with less than 4.5 inches of backspacing. Failure to follow these recommendations may void the manufacturer's warranty.

Product Specifications

Brand: MaxTrac Suspension
Part Number: K947385A
UPC: N/A
Product Type: Lift Kit
Kit Type: Lift/Level
Front Lift: 8 Inches
Rear Lift: 5.5 Inches
Lift Height Options: 8 Inches
Engine Compatibility: Diesel
Shock Option: MaxTrac Shocks
Kit Design: Radius Arm Drop Brackets
Front Shock Details: (2) MaxTrac 2900SL-8 Front Shocks
Rear Shock Details: (2) MaxTrac 3400LL-4 Rear Shocks
Material: Steel
Finish: Grey Powdercoat
Color: Grey
Sold As: Kit
Weight: 220 lbs
Multiple Box Item: Yes

Why Choose the MaxTrac K947385A?

The MaxTrac K947385A is engineered specifically for 2013–2018 Ram 3500 4WD diesel trucks equipped with factory rear air ride. Featuring diesel-specific lift coils, radius arm drop brackets, steering correction components, rear air bag spacers, and matched MaxTrac shocks, this complete suspension system delivers outstanding ride quality, dependable handling, and the clearance needed to run up to 40-inch tires.

Perfect For

2013–2018 Ram 3500 4WD Diesel
Factory rear air ride trucks
Cummins-powered builds
Heavy-duty off-road trucks
40-inch tire upgrades
Overland builds
Complete suspension lift installations