Click to zoom in
Factory Feel Rear Ride Control For Promaster Vans
The KYB Excel-G rear shock is built to OE specifications, giving Ram Promaster van owners a reliable factory feel replacement for worn rear shocks. KYB3450045 restores consistent ride quality whether the van is running empty or loaded with cargo.
Key Features
- KYB3450045 uses OE spec valving for a factory ride feel
- Gas charged design reduces fade during extended driving
- Direct bolt-on replacement, no modification required
- KYB3450045 maintains factory ride height and handling characteristics
- Twin tube design built to KYB manufacturing tolerances
- Suitable for vans running the HD suspension package
Fitment Table
| Year Range | Make | Model |
|---|---|---|
| 2014-2025 | Ram | Promaster 2500 |
| 2014-2025 | Ram | Promaster 3500 |
Specifications
| Detail | Value |
|---|---|
| MPN | 3450045 |
| Brand | KYB |
| Series | Excel-G |
| Position | Rear |
| Design | Gas charged twin tube |
| UPC | Not publicly listed by manufacturer |
What's Included
- One KYB3450045 Excel-G rear shock absorber
About KYB
KYB has manufactured shocks and struts for original equipment and aftermarket applications for decades, supplying ride control components trusted by van and truck owners across North America. The Excel-G line matches OE specifications to deliver a reliable factory feel replacement for daily driven and commercial vehicles.
FAQ
What is the KYB3450045?The KYB3450045 is an Excel-G rear shock absorber built for Ram Promaster 2500 and 3500 vans. It uses OE spec valving in a gas charged twin tube design to restore consistent ride quality whether the van is empty or loaded.
Will this work on a van with the HD suspension package?Yes, it fits Promaster vans built with the HD suspension package for the covered model years.
Do I need to replace both rear shocks together?It's sold individually, but replacing both sides at once is recommended for even handling.
Is this a direct bolt-on replacement?Yes, it installs at the factory shock location without modification.
Will ride height change after installing this?No, it's designed to maintain factory ride height.
How does this perform when the van is loaded with cargo?It's built to maintain consistent damping whether the van is running empty or loaded, which helps with commercial use.
Do I need any special tools to install it?No, standard hand tools are enough since it bolts into the factory mounting points.
Is there a break-in period before towing or hauling heavy loads?No formal break-in is required, but it's good practice to drive normally for the first several miles before loading the van to full capacity.
Install Instructions
- Raise the rear of the van and support it on jack stands.
- Remove the rear wheel for clearance to the shock mounting points.
- Remove the upper and lower shock mounting bolts to free the factory shock.
- Position the KYB3450045 in place and install the lower mounting bolt first.
- Secure the upper mount and torque all fasteners to factory specification.
- Reinstall the wheel and repeat on the opposite side.
KYB
KYB offers a complete line of shock absorbers, struts, and strut assemblies for cars, trucks, SUVs and Cross-overs. We also design and manufacture steering stabilizers, and provide a full line of shock and strut accessories including mounting hardware, coil spring insulators, coil springs, strut mounts, jounce bumpers, and bellows. KYB is one of the world’s largest suppliers of shocks and struts for new vehicle manufacturers. Our products can be found on some of the most popular cars, SUVs and trucks in North America. Because we make ‘original equipment’ we know exactly how vehicles perform and handle when new, and we can help keep them operating as designed, for as long as they’re on the road. The KYB catalog includes the following models: Excel-G, Strut-Plus, Gas-a-Just, MonoMax, Truck-Plus, KYB JAOS, Truck-Plus, Leveling Assembly, Strut Mounts and Boots, Steering Stabilizers, Self-Leveling & Electronic Shocks.
View KYB Products
Shocks and Struts
Shop shocks and struts at Black Ops Auto Works for improved ride control, handling, stability, comfort, towing support, off-road performance, and suspension replacement. This collection includes shock absorbers, monotube shocks, gas shocks, hydraulic shocks, strut assemblies, front struts, rear shocks, coil-over shocks, reservoir shocks, steering dampers, suspension hardware, and vehicle-specific dampers for cars, trucks, SUVs, Jeeps, off-road builds, and performance vehicles. Use this Shocks and Struts collection to find the right suspension upgrade by vehicle, ride height, driving style, and product type. Replacement shocks and struts help restore ride quality, performance shocks improve control and stability, heavy-duty truck shocks support larger vehicles and lifted setups, and off-road shocks help improve durability and control on rough terrain. Shop Shocks and Struts by Brand Black Ops Auto Works carries shocks, struts, and suspension dampers from trusted brands including Bils...
View Shocks and Struts Products
Suspension
Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
View Suspension Products