MaxTrac K947385LA 8" Lift Kit with Forged Aluminum 4-Links for 2013-2018 Ram 3500 4WD Diesel Factory Rear Air Ride

Maximum Lift with Premium 4-Link Performance

Take your 2013–2018 Ram 3500 4WD Diesel to the highest level with the MaxTrac K947385LA Lift Kit. Designed specifically for trucks equipped with factory rear air ride, this premium suspension system delivers 8 inches of front lift and 5.5 inches of rear lift using diesel-specific lift coils, forged aluminum 4-links, steering correction components, rear air bag spacers, lift blocks, U-bolts, and matched MaxTrac shocks. Built for maximum durability, improved suspension geometry, and exceptional ride quality, this system provides clearance for up to 40-inch tires.

Key Features

Complete 8-Inch Lift System

Complete suspension package engineered to provide a balanced 8-inch front lift and 5.5-inch rear lift while maintaining proper steering geometry and ride quality.

Forged Aluminum 4-Link System

Premium forged aluminum 4-links replace the factory radius arm setup, delivering increased strength, improved suspension articulation, and more precise steering response.

Diesel-Specific Front Lift Coils

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

Steering Geometry Correction

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

Factory Rear Air Ride Compatible

Designed specifically for Ram 3500 models equipped with factory rear air suspension, utilizing rear air bag spacers to preserve factory 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 outstanding ride control, stability, and off-road capability.

What's Included

Diesel front lift coils
Forged aluminum 4-links
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
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: K947385LA
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: Forged Aluminum 4-Links
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: 325 lbs
Multiple Box Item: Yes

Why Choose the MaxTrac K947385LA?

The MaxTrac K947385LA is the premium 8-inch suspension lift solution for 2013–2018 Ram 3500 4WD diesel trucks with factory rear air ride. Featuring forged aluminum 4-links, diesel-specific lift coils, steering correction components, rear air bag spacers, and matched MaxTrac shocks, this complete system delivers exceptional ride quality, improved suspension performance, 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
Premium suspension upgrades
Heavy-duty off-road trucks
40-inch tire upgrades
Overland builds
Complete suspension lift installations