Premium Monotube Front Shock Absorber Kit - ACDelco (540-179)
Genuine OEM ACDelco Parts & Accessories - 540179
Genuine ACDelco Parts 
- ACDelco
- 540-179
Details
- Brand:
- SKU:
540-179
- GTIN: 00021625825793
- UPC: 021625825793
- Positions: Front
- Other Names:
89040416
- Description: ACDelco GM Original Equipment Shock Absorbers are GM-recommended replacements for your vehicle's original components. Shock absorbers help absorb and dampen road input into your vehicle's suspension, helping provide proper feel and control of your vehicle. These original equipment shock absorbers have been manufactured to fit your GM vehicle, providing the same performance, durability and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Condition: New
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov Vehicle Fitment
Select Your Vehicle
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
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Additional Information
| Brand | ACDelco GM Original Equipment |
| Collapsed Length (in) | 11in |
| Collapsed Length (mm) | 279mm |
| Cylinder Color | Blue |
| Cylinder Diameter (in) | 1.6 |
| Cylinder Diameter (mm) | 41 |
| Damping Type | Gas |
| Extended Length | 15.4 390 |
| FAQ - Answer 1 | Yes. Although shocks and struts perform a similar function, they vary greatly in their design. The major difference between shocks and struts is that a strut is a structural part of the vehicles suspension system where a shock is not. A strut is also a crucial part of the vehicles steering system and greatly affects alignment angles. |
| FAQ - Answer 2 | Yes. You should have your vehicle aligned if you are replacing your vehicle's struts. However, it is not necessary to get your vehicle aligned when replacing your vehicle's shocks unless there was a previous issue. |
| FAQ - Answer 3 | Yes. It is important to choose the correct shock or strut for your vehicle model and year, as well as for the location in the vehicle. |
| FAQ - Question 1 | Is there a difference between a shock and a strut? |
| FAQ - Question 2 | Should I have my vehicle aligned after replacing my shocks or struts? |
| FAQ - Question 3 | Do I need different shocks for front, rear, left, or right applications? |
| Features & Benefits - Bullet 1 | Helps absorb and dampen road input into your vehicle's suspension |
| Features & Benefits - Bullet 2 | GM-recommended replacement part for your GM vehicle's original factory component |
| Features & Benefits - Bullet 3 | Offering the quality, reliability, and durability of GM OE |
| Features & Benefits - Bullet 4 | Manufactured to GM OE specification for fit, form, and function |
| Good Maintenance Practices - Section 1 - Bullet 1 | Ball joints and other suspension components |
| Good Maintenance Practices - Section 1 - Bullet 2 | Brakes |
| Good Maintenance Practices - Section 1 - Bullet 3 | Tires |
| Good Maintenance Practices - Section 1 - Header | Your vehicle's shocks slowly deteriorate over time, though this wear is normally difficult to detect. Worn shocks can also cause additional wear to other vehicle components, so to maximize your vehicle's ride comfort, it is recommended to inspect your vehicle's shocks every year. Be sure to always refer to your Vehicle Owner's manual for additional vehicle maintenance practices. Potentially affected components include but are not limited to: |
| Good Maintenance Practices - Section 2 - Bullet 1 | Leaking oil or wetness along the body of the shock or strut |
| Good Maintenance Practices - Section 2 - Bullet 2 | Broken mounts |
| Good Maintenance Practices - Section 2 - Bullet 3 | Broken, damaged, or missing mounting hardware |
| Good Maintenance Practices - Section 2 - Bullet 4 | Dented reservoir tube |
| Good Maintenance Practices - Section 2 - Bullet 5 | Bent or scratched piston rod |
| Good Maintenance Practices - Section 2 - Bullet 6 | Cupped tire wear |
| Good Maintenance Practices - Section 2 - Bullet 7 | Damaged spring seat, spring, and spring isolator |
| Good Maintenance Practices - Section 2 - Header | To inspect your shocks to gauge wear, check for: |
| Grade Type | Performance |
| Lower Mount Type | Eyelet |
| Programming Required | No |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Vehicle pulls while braking |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Worn suspension components |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Excessive nose dive while braking |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | Vehicle has 'acceleration squat' |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 5 | Vehicle does not sit level |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 6 | Vehicle steering pulls |
| Signs of Wear & Troubleshooting - Section 1 - Header | Signs of wear for shock absorbers include but are not limited to: |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 1 | Your ride is harsh, bumpy or shaky |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 2 | Your vehicle bounces excessively |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 3 | Your vehicle leans or sways while turning |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 4 | Your vehicle bottoms out |
| Signs of Wear & Troubleshooting - Section 2 - Header | It could be time to replace your shocks if, when driving on a surface with bumps and/or dips: |
| Signs of Wear & Troubleshooting - Section 3 - Bullet 1 | You notice fluid leakage from your vehicle's shocks |
| Signs of Wear & Troubleshooting - Section 3 - Bullet 2 | Your vehicle's shocks have dented or heavily scratched housings or mounts |
| Signs of Wear & Troubleshooting - Section 3 - Header | Uneven patches of wear on the edges of your tire can be a sign of weak ride control (shocks or struts). This wear, called cupping, appears as scalloped dips around the surface of the tread. Other signs it could be time to replace your shocks or struts include but are not limited to: |
| Upper Mount Type | Threaded Stud |
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