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Load Support Without Air Lines or Daily Adjustments
Timbren DR3500B is a rear Suspension Enhancement System for the 1994-2002 Dodge Ram 3500 2WD. The pair of Aeon hollow rubber springs engages progressively as load increases, helping control rear sag, body roll, and instability while leaving the factory suspension to provide the unloaded ride.
Key Features
- DR3500B provides up to 6,000 pounds of load-leveling capacity as a pair
- Progressive-rate Aeon hollow rubber springs become firmer as the load increases
- Bolt-on rear installation uses vehicle-specific brackets with no drilling or air lines
- Maintenance-free design has no compressors, fittings, or pressure checks
- Helps reduce suspension sag, sway, and harsh bottoming while towing or hauling
- Backed by Timbren's limited lifetime warranty for the original vehicle installation
Fitment
| Years | Make | Model | Drivetrain | Position | Notes |
|---|---|---|---|---|---|
| 1994-2002 | Dodge | Ram 3500 | 2WD | Rear | Pickup application; verify frame and suspension configuration before installation |
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | DR3500B |
| UPC | 809933000336 |
| Product type | Rear suspension enhancement system |
| Spring type | Aeon hollow rubber |
| Rated kit capacity | 6,000 lb |
| Unloaded clearance | Approximately 1/2 to 1-1/2 in between spring and contact point |
| Installation | Bolt-on, no drilling or air lines |
| Country of origin | Canada |
What's Included
- Two Aeon hollow rubber springs for DR3500B
- Two Dodge rear kit weldments
- Two application-specific weldments
- Two 4-inch saddle clamps
- Required nuts, bolts, and washers
- Installation instructions
About Timbren
Timbren has produced rubber spring suspension systems since 1968. Its Aeon spring technology is used in vehicle-specific SES kits that provide progressive load support without the plumbing and maintenance required by air springs.
Related Parts
- No exact compatible ACTIVE companion product was verified for this rear SES kit.
FAQ
What is the DR3500B?It is a vehicle-specific rear suspension enhancement kit for the listed Dodge Ram 3500 2WD application.
Does the kit increase the truck's GVWR?No. The 6,000-pound kit rating describes spring capacity and does not increase the vehicle manufacturer's GVWR or axle ratings.
Does installation require drilling?No. The manufacturer installation sheet specifies a bolt-on bracket and clamp arrangement.
Do the springs touch the axle when unloaded?Timbren specifies approximately one-half to one-and-one-half inches of unloaded clearance for rear pickup applications, although accessories or partial load can reduce the gap.
Does the system require air pressure?No. Aeon rubber springs work without air lines, fittings, compressors, or pressure adjustments.
Will this fit a four-wheel-drive truck?No. The verified application is for a two-wheel-drive Dodge Ram 3500. Use the correct manufacturer kit for other drivetrains.
What warranty applies?Timbren warrants SES kits against defects in material and workmanship for the life of the vehicle on which the original purchaser installed the kit, subject to its current terms.
What should be checked after installation?Verify unloaded spring clearance, brake-line and tire clearance, and all fastener torque after the first drive and during routine service.
Installation Instructions
- Confirm the 1994-2002 Dodge Ram 3500 2WD application and DR3500B package label.
- Park on level ground, secure the vehicle, and support the rear frame using approved lifting procedures.
- Remove the original bump-stop components identified in the Timbren instructions.
- Assemble the supplied rubber springs, weldments, clamps, bolts, washers, and locknuts in the illustrated orientation.
- Install both assemblies symmetrically and tighten all hardware to the manufacturer's specifications.
- Lower the truck, verify the required unloaded gap and surrounding clearance, then recheck hardware after initial use.
California Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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