Air Lift LoadLifter 5000 Ultimate Kit 88388Air LiftOriginal price was $887.99. Current price is $643.99.In Stock
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2014 - 2026 Ram ProMaster 1500
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2014 - 2026 Ram ProMaster 2500
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2014 - 2026 Ram ProMaster 3500
Confirmed to Fit
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Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate kit from Air Lift will make hauling with your Ram ProMaster van a breeze.
Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate kit from Air Lift will make hauling with your Ram ProMaster van a comfortable and stress-free experience. For the ultimate ride comfort and protection, our fully-adjustable, industry leading air springs are the perfect partner for your vehicle, eliminating any issues that you might face. The LoadLifter 5000 Ultimate kit helps to eliminate problems frequently faced when towing and hauling, such as squat, poor headlight aim, trailer sway, body roll, and bottoming out. With the added stability and weight-distribution that air springs provide, you can haul safely, knowing that you have optimal braking and steering control. With the ability to adjust the air pressure from 5-100 PSI, your Ram ProMaster van can be ready for any weight and any situation (Note: Do not exceed vehicle's GVWR). What sets the LoadLifter 5000 Ultimate apart from other kits is the built-in internal jounce bumper. An Air Lift exclusive, the jounce bumper inside the air spring absorbs shock while the air spring eliminates squat, sway, and bottoming out, even on rough roads. This replaces the factory jounce bumper and is completely maintenance free, able to run safely with zero air pressure. This added feature makes the kit the ULTIMATE in ride comfort and protection. As the leader in air suspension products for more than 70 years, Air Lift is committed to delivering quality load support parts that last. To ensure the highest quality, longevity, and customer satisfaction, the key suspension components, including the air springs and all hardware, have all been torture-tested to 1 million cycles on our hydraulic test rig, the equivalent of 100,000 miles. With a lifetime warranty and 60-Day Ride Satisfaction Guarantee -- not to mention the Air Lift reputation for great customer service and technical support, should you run into any snags in the installation process -- you can purchase this kit with peace of mind.
Air Lift Company has developed dependable air spring suspension products since our inception in 1949. Our original product, a rubber air spring inserted into a car’s factory coil spring, was created and patented in 1950. We’ve come a long way since 1949 and are proud to be a dedicated suspension specialist company.
Today, Air Lift load support products are sold worldwide and are engineered to fit over 540 vehicles. Our extensive product line offers air helper springs for trucks, RVs, SUVs, CUVs, and vans, as well as the most technologically advanced on-board air compressor systems for on-the-go air spring control.
Air Lift leads the industry in no-drill applications – kits that bolt onto your vehicle’s frame, speeding the installation process. Our teams work constantly to bring innovative products to you and upgrade existing products with the latest technology.
All of our efforts are spent ensuring your safety and comfort by designing, engineering, and manufacturing the highest quality suspension products. We are a family-owned business based in Lansing, Michigan, and make your family and cargo’s safety our top priority.
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3 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2014 - 2026 | Ram ProMaster 1500 | — |
| 2014 - 2026 | Ram ProMaster 2500 | — |
| 2014 - 2026 | Ram ProMaster 3500 | — |
Yes, the Air Lift LoadLifter 5000 Ultimate Kit 88233 (Part #BBCG88233) is designed to fit the 2014-2026 Ram ProMaster 1500.
The Air Lift LoadLifter 5000 Ultimate Kit 88233 (Part #BBCG88233) fits the following vehicles: 2014-2026 Ram ProMaster 1500; 2014-2026 Ram ProMaster 2500; 2014-2026 Ram ProMaster 3500. Always verify your specific year, make, and model before ordering.
The Air Lift LoadLifter 5000 Ultimate Kit 88233 (Part #BBCG88233) fits 2014-2026 Ram ProMaster 1500 models. The 2026 model year is the last year covered by this part number. For newer models, check for an updated version.
The Air Lift LoadLifter 5000 Ultimate Kit 88233 (Part #BBCG88233) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The LoadLifter 5000 Series is an air spring kit that provides up to 5,000 pounds (2,268 kg) of load-leveling support. The air springs are manufactured with reinforced, commercial-grade single or double convolute bellows with layers of rubber and cords that control growth. Air pressure is adjustable from 5–100 PSI (.34–7 BAR).
Yes, the LoadLifter 5000 Series kits 57233 and 88233 are designed for the Ram Promaster. The manual covers installation on this vehicle.
Kit 57233 is the standard LoadLifter 5000 with zinc-plated steel roll plates (part 11967) and black nylon air lines. Kit 88233 is the LoadLifter 5000 Ultimate with black powder-coated roll plates (part 11951) and black nylon air lines. Both kits use different air spring part numbers: 58494 for kit 57233 and 58439 for kit 88233.
Required tools include: metric and standard open-end box wrenches (set), ratchet with metric and standard sockets (set), 5/16" drill bit and drill, torque wrench, hose cutter or sharp knife, hoist or floor jack, 2 safety stands, safety glasses, air compressor or compressed air source, and spray bottle with dish soap/water solution.
Raise the vehicle using a hoist or floor jack and support it with safety stands so the axle can be safely lowered away from the frame. This positioning is necessary to place the air spring assembly between the axle and frame. Remove the jounce bumper assembly from the frame using a large spanner wrench (or chisel and hammer if a spanner wrench is unavailable). Remove the rear spring clips that hold the emergency brake cables onto the spring at the rear of the axle.
1. Set a roll plate (D) on top of the air spring (C) with the radiused edge toward the air spring, seated inside the roll plate. Install the 90-degree swivel fitting (H) into the top of the air spring, finger-tight plus 1½ turns. 2. Flip the assembly over and set a roll plate (D) on the bottom. Install the lower bracket with two 3/8"-24 x 7/8" hex cap screws (E), 3/8" lock washers (F), and 3/8" flat washers (G). Torque to no more than 20 lb.-ft. (27 Nm).
The upper bracket (A) should be torqued to 36 lb.-ft. (50 Nm) using the M10-1.25 x 30 hex cap screw (J), M10 lock washer (L), and 3/8" flat washer (G) at the mounting location where the jounce bumper was removed.
The 3/8"-24 x 7/8" hex cap screws (E) connecting the lower bracket to the air spring assembly should be torqued to no more than 20 lb.-ft. (27 Nm).
The U-bolt (I) fasteners connecting the lower bracket to the leaf springs should be torqued to 16 lb.-ft. (22 Nm). These fasteners use 3/8" flat washers (G) and 3/8" nylon lock nuts (K).
The upper bracket fasteners should be tightened to finger-tight only when first threading through the roll plate and into the upper spring mount. They are torqued to their final specification (no more than 20 lb.-ft./27 Nm) only after the assembly is aligned perpendicular to the lower bracket.
After setting the assembly onto the leaf springs with the fitting facing inboard, raise the axle so the top of the air spring assembly is just below the upper bracket. Thread the upper hardware through the roll plate and into the upper spring mount, then tighten to finger-tight only. Push the assembly back or forward to align the air spring perpendicular to the upper mounting. Finally, push the top of the air spring assembly in and out to align it perpendicular to the lower bracket before final torquing.
Yes, drilling is required. You must drill a 5/16" (8 mm) hole for each Schrader valve. The manual shows three recommended locations: inside the fuel tank filler door, inside rear wheel wells, or in the license plate or rear bumper area.
Insert the air line into the thermal sleeve, leaving 2 inches of air line past the sleeve initially. Once the air line is routed and the valve is installed, trim the air line to length, leave a little slack, and insert the air line into the fitting at the top of the air spring assembly on the driver's (left) side. Push the thermal sleeve up to the fitting, making sure to completely cover the air line.
Attach the metal heat shield to the exhaust where it is closest to the passenger's (right) side air spring. Maintain 1/2" (13 mm) of dead air space between the shield and the exhaust.
Route the nylon air line along the top of the frame, forward of the axle, then down to the fitting. Cut the air line in half using a razor blade or hose cutter, making clean, square cuts (do not use scissors or wire cutters). Secure the air line to fixed points along the chassis using zip ties (N), ensuring the minimum bend radius is 1" (25 mm). Do not pinch or kink the air line. Leave at least 2" (50 mm) of slack in the air line to allow for movement.
The maximum air pressure is 100 PSI (7 BAR). Never inflate beyond this pressure. The minimum recommended air pressure is 5 PSI (.34 BAR).
Keep at least 6" (150 mm) of clearance between all air lines and the exhaust system. Avoid sharp bends and edges. If a heat shield was included in the kit, install it. If there is no heat shield but one is required, contact Air Lift customer service at (800) 248-0892.
The minimum bend radius for the nylon air line is 1" (25 mm). Do not pinch or kink the air line.
Perform the following checks: (1) Clearance test—inflate to 40–60 PSI (2.8–4.1 BAR) and verify at least 1/2" (13 mm) clearance from tire, brakes, frame, shock absorbers, and brake cables. (2) Leak test—inflate to 40–60 PSI and check all connections for leaks; all leaks must be eliminated before road testing. (3) Heat test—verify at least 6" (152 mm) clearance from heat sources. (4) Fastener test—after 500 miles (800 km), recheck all bolts for proper torque. (5) Road test—drive 10 miles (16 km) and recheck clearance, fasteners, and leaks.
Check air pressure weekly. Always maintain normal ride height. Never inflate beyond 100 PSI (7 BAR). If the system develops an air leak, use a soapy water solution to check all air line connections and the inflation valve core before deflating and removing the air spring. After 500 miles (800 km), recheck all bolts for proper torque.
No. For safety and to prevent possible damage to the vehicle, do not exceed the maximum gross vehicle weight rating (GVWR) or payload rating as indicated by the vehicle manufacturer. Although the air springs are rated at a maximum inflation pressure of 100 PSI (7 BAR), the air pressure actually needed is dependent on load and GVWR.
Leave at least 2" (50 mm) of slack in the air line to allow for any movement that might pull on the air line.
Kit 57233 and 88233 include: 2 upper brackets (A), 2 lower brackets (B), 8 hex cap screws 3/8"-24 x 7/8" (E), 8 lock washers 3/8" (F), 18 flat washers 3/8" (G), 2 swivel elbow fittings 90-degree (H), 4 U-bolts (I), 2 hex cap screws M10-1.25 x 30 (J), 8 nylon lock nuts 3/8"-16 (K), 2 lock washers M10 (L), 2 air springs (C), and 4 roll plates (D). Additional parts include hose assembly, zip ties, flat washers 5/16", star washers 5/16", valve caps, hex nuts 5/16", and rubber washers.
Yes, kits 57233 and 88233 are designed for the Ram Promaster. The manual provides complete installation instructions for this vehicle.
You need: metric and standard wrenches and sockets, 5/16" drill bit, torque wrench, hose cutter or sharp knife, hoist or floor jack, 2 safety stands, safety glasses, air compressor, and spray bottle with soapy water.
Upper bracket to frame: 36 lb.-ft. (50 Nm). Lower bracket hex cap screws: no more than 20 lb.-ft. (27 Nm). U-bolt fasteners: 16 lb.-ft. (22 Nm). After 500 miles, recheck all bolts for proper torque.
Maximum air pressure is 100 PSI (7 BAR). Maintain at least 6" (150 mm) clearance between air lines and the exhaust system, and at least 1/2" (13 mm) clearance from the air spring sleeve to tires, brakes, frame, shock absorbers, and brake cables.
Check air pressure weekly. Never inflate beyond 100 PSI (7 BAR). After 500 miles, recheck all bolts for proper torque. If an air leak develops, use soapy water to locate it before deflating the system.
No. Do not exceed the vehicle's maximum GVWR or payload rating. Although the air springs support up to 5,000 pounds, the actual air pressure needed depends on your load and GVWR.
Inflate the air springs to 40–60 PSI (2.8–4.1 BAR) and use a spray bottle with a soapy water solution to check all air line connections and the inflation valve core for leaks. Bubbles indicate a leak. All leaks must be eliminated before road testing the vehicle.
Use a soapy water solution to check all air line connections and the inflation valve core to locate the leak. Once the leak is identified, deflate and remove the air spring. Contact Air Lift customer service at (800) 248-0892 for replacement parts or repair guidance.
Inflate the air springs to 40–60 PSI (2.8–4.1 BAR) and verify at least 1/2" (13 mm) clearance from the air spring sleeve to the tire, brakes, frame, shock absorbers, and brake cables. If clearance is insufficient, the assembly may need repositioning. Ensure the air spring is aligned perpendicular to both the upper and lower brackets.
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