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Rear Control Built For Z85 Increased Capacity Trucks
The KYB MonoMax rear shock is engineered for Silverado and Sierra 1500 trucks equipped with the Z85 increased capacity package, delivering up to 40 percent more damping than a factory twin-tube design. KYB5650023 keeps the rear end steady when carrying heavier payloads.
Key Features
- KYB5650023 uses a large bore monotube gas charged design
- Calibrated specifically for the Z85 increased capacity suspension package
- Delivers up to 40 percent more damping over OE twin-tube shocks
- Zinc coated steel piston ring resists wear under heavy load
- Includes an off-road dust boot to protect the shaft from debris
- KYB5650023 is a direct bolt-on replacement, no modification required
Fitment Table
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2019-2021 | Chevrolet | Silverado 1500 | Custom |
| 2019-2021 | Chevrolet | Silverado 1500 | High Country |
| 2019-2021 | Chevrolet | Silverado 1500 | LT |
| 2019-2021 | Chevrolet | Silverado 1500 | LTZ |
| 2019-2021 | Chevrolet | Silverado 1500 | RST |
| 2019-2021 | Chevrolet | Silverado 1500 | WT |
| 2019-2021 | GMC | Sierra 1500 | Elevation |
| 2019-2021 | GMC | Sierra 1500 | SLE |
| 2019-2021 | GMC | Sierra 1500 | SLT |
Specifications
| Detail | Value |
|---|---|
| MPN | 5650023 |
| Brand | KYB |
| Series | MonoMax |
| Position | Rear |
| Design | Monotube gas charged |
| UPC | Not publicly listed by manufacturer |
What's Included
- One KYB5650023 MonoMax 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 truck and SUV owners across North America. The MonoMax line applies OE manufacturing standards to a monotube design built for trucks running increased capacity suspension packages.
FAQ
What is the KYB5650023?The KYB5650023 is a MonoMax rear shock built specifically for Silverado and Sierra 1500 trucks with the Z85 increased capacity package. Its large bore monotube design delivers up to 40 percent more damping than a factory twin-tube shock.
Will this fit my truck if it doesn't have the Z85 package?No, this shock is calibrated specifically for the Z85 increased capacity suspension and isn't recommended for trucks without it.
How do I know if my truck has the Z85 package?Check your RPO code sticker, typically found in the glove box, for the Z85 designation, or ask your dealer to look it up by VIN.
Is this a direct bolt-on replacement?Yes, it installs in the factory shock location without modification.
Will this help if I regularly haul heavy loads?Yes, the monotube design reduces rear end sag and sway under heavier payloads compared to the factory shock.
Do I need to replace both rear shocks together?It's sold individually, but replacing both sides together is recommended for even handling.
Does it include any kind of protective boot for off-road use?Yes, it includes an off-road dust boot to protect the shaft from debris.
Will this affect my factory warranty?Aftermarket shock replacement on a worn part typically doesn't void unrelated factory warranty coverage, but check with your dealer if your truck is still under warranty.
Install Instructions
- Raise the rear of the truck 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 KYB5650023 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.
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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.
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