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KYB 565128 Shock Absorber - Rear
| Brand | KYB 565128 |
|---|---|
| Position | Rear |
| Compressed Length | 15.86 |
| Dust Cover Included | Y |
| Extended Length | 24.52 |
| Lower Mount Type | E2(14.6X42) |
| R-stop | Y |
| Stroke Length | 8.66 |
| Upper Mount Type | E2(14.6X42) |
| Product line | MonoMax |
| Fits | Chevrolet and GMC · 73 vehicles |
Heavy-duty monotube design. Delivers added stability, control, and fade-free performance.
Zinc-coated piston ring. Helps maintain a positive seal in extreme conditions.
Dust boot included. Helps protect the shaft and keep debris away from the seals.
Cross-references Gabriel G63959, General Motors 15130478 and General Motors 15130480 for the same application. See all 11.
KYB MonoMax Rear Shock for Silverado and Sierra
The KYB MonoMax 565128 is a heavy-duty rear shock absorber built for truck applications that see towing, hauling, off-road use, and daily driving. Its monotube design is tuned for added control on Chevrolet Silverado 1500 and GMC Sierra 1500 models with the listed rear fitments.
Key Features
- Large-bore monotube construction for improved handling and control
- Up to 40% more damping performance than standard shock absorbers
- Zinc-coated stainless steel piston ring for a positive seal in demanding conditions
- Rubber dust boot helps protect the shaft and seal area from dirt and debris
- Engineered to work with vehicles equipped with electronic safety systems such as ESC and ABS
- Rear application for GM trucks with the specified suspension packages and exclusions
Product Details
KYB MonoMax 565128 is part of the MonoMax line, a truck-focused shock absorber series designed for heavier-duty use than a standard replacement shock. For rear suspension service on Chevrolet Silverado 1500 and GMC Sierra 1500 models, this shock uses a monotube layout that helps maintain consistent damping under load and during repeated suspension movement. The compressed length is 15.86 inches, the extended length is 24.52 inches, and the stroke length is 8.66 inches. Upper and lower mounts are E2 (14.6 x 42), and a dust cover is included.
This part cross-references Monroe Shocks & Struts 911533 for the same application. The KYB 565128 is also a direct-fit option for several GM rear shock applications, including 2022-2024 Chevrolet Silverado 1500 and GMC Sierra 1500 with Z85 chassis package, plus earlier Silverado 1500 and Sierra 1500 models with off-road suspension or maximum monotube performance upgrade requirements.
Common Uses
- Rear-end bounce or instability on loaded trucks
- Reduced control during towing or hauling
- Excessive body movement on rough roads
- Need for a firmer rear suspension response
- Replacement for worn rear shocks on GM full-size pickups
Installation Notes
Fits 2022-2024 Chevrolet Silverado 1500, rear, with Z85 Chassis Package; MonoMax. Fits 2022-2024 GMC Sierra 1500, rear, with Z85 Chassis Package; MonoMax. Fits 2019-2021 Chevrolet Silverado 1500, rear, with Off Road Suspension; MonoMax. Fits 2019-2021 GMC Sierra 1500, rear, with Off Road Suspension, without Factory Lift; MonoMax. Fits 2008-2018 Chevrolet Silverado 1500, rear, Maximum Monotube Performance Upgrade; except Electronic Suspension; MonoMax. Fits 2007-2018 GMC Sierra 1500, rear, Maximum Monotube Performance Upgrade; except Electronic Suspension; MonoMax. Verify suspension package and electronic suspension exclusions before installation. Confirm mount style and dimensions against the original shock before service.
Quality Assurance
KYB is known for suspension components used in OE and aftermarket service, and the MonoMax line is built for truck-duty durability and consistent damping performance. Part number 565128 is designed for demanding rear suspension service on compatible Chevrolet Silverado 1500 and GMC Sierra 1500 applications.
| Year | Make | Model | Submodel | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Chevrolet | Silverado 1500 | — | — | — | Rear | w/ Z85 Chassis Package; MonoMax |
| 2024 | GMC | Sierra 1500 | Denali | — | — | Rear | w/ Z85 Chassis Package; MonoMax |
| 2023 | Chevrolet | Silverado 1500 | — | — | — | Rear | w/ Z85 Chassis Package; MonoMax |
| 2023 | GMC | Sierra 1500 | Denali | — | — | Rear | w/ Z85 Chassis Package; MonoMax |
| 2022 | Chevrolet | Silverado 1500 | — | — | — | Rear | w/ Z85 Chassis Package; MonoMax |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom | — | — | Rear | w/ Chassis Z85 Package; MonoMax |
| 2022 | GMC | Sierra 1500 | Denali | — | — | Rear | w/ Z85 Chassis Package; MonoMax |
| 2022 | GMC | Sierra 1500 Limited | Denali | — | — | Rear | w/ Z85 Chassis Package; MonoMax |
| 2021 | Chevrolet | Silverado 1500 | Custom | Crew Cab Pickup | — | Rear | w/ Off Road Suspension; MonoMax |
| 2021 | GMC | Sierra 1500 | Base | Crew Cab Pickup | — | Rear | w/ Off Road Suspension, w/o Factory Lift; MonoMax |
| 2020 | Chevrolet | Silverado 1500 | Custom | Crew Cab Pickup | — | Rear | w/ Off Road Suspension; MonoMax |
| 2020 | GMC | Sierra 1500 | Base | Crew Cab Pickup | — | Rear | w/ Off Road Suspension, w/o Factory Lift; MonoMax |
| 2019 | Chevrolet | Silverado 1500 | Custom | Crew Cab Pickup | — | Rear | w/ Off Road Suspension; MonoMax |
| 2019 | Chevrolet | Silverado 1500 LD | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; Except Electronic Suspension; MonoMax |
| 2019 | Chevrolet | Silverado 1500 LD | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; Except Electronic Suspension; MonoMax |
| 2019 | GMC | Sierra 1500 | Base | Crew Cab Pickup | — | Rear | w/ Off Road Suspension, w/o Factory Lift; MonoMax |
| 2019 | GMC | Sierra 1500 Limited | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; Except Electronic Suspension; MonoMax |
| 2019 | GMC | Sierra 1500 Limited | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; Except Electronic Suspension; MonoMax |
| 2018 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2018 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2018 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2018 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2017 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2017 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2017 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2017 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2016 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2016 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2016 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2016 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2015 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2015 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2015 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2015 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2014 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2014 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2014 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2014 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2013 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2013 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2013 | GMC | Sierra 1500 | Denali | — | AWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2013 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2013 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2012 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2012 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2012 | GMC | Sierra 1500 | Denali | — | AWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2012 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2012 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2011 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2011 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2011 | GMC | Sierra 1500 | Denali | — | AWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2011 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2011 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2010 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2010 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2010 | GMC | Sierra 1500 | Denali | — | AWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2010 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2010 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2009 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2009 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2009 | GMC | Sierra 1500 | Denali | — | AWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2009 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2009 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2008 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2008 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2008 | GMC | Sierra 1500 | Denali | — | AWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2008 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2008 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2007 | Chevrolet | Silverado 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2007 | Chevrolet | Silverado 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2007 | GMC | Sierra 1500 | Denali | — | AWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Susp.); MonoMax |
| 2007 | GMC | Sierra 1500 | — | — | RWD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
| 2007 | GMC | Sierra 1500 | — | — | 4WD | Rear | Maximum Monotube Performance Upgrade; (Exc. Electronic Suspension); MonoMax |
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