OE Quality
60-Day Returns

PRT Performance Ride 816959 Suspension Strut and Coil Spring Assembly - Front
Overview of PRT Suspension Strut and Coil Spring Assembly
The PRT Performance Ride Suspension Strut and Coil Spring Assembly (part number 816959) is engineered for Buick DTS and Cadillac Lucerne models. Designed to restore suspension performance, this assembly combines a durable strut with a high-quality coil spring to maintain ride comfort and vehicle stability.
- Compatible with Buick DTS and Cadillac Lucerne
- Compressed length: 13.23 inches
- Travel length: 6.61 inches
- Spring material: 55crsi steel
- Housing material: Q235b steel
- Upper mount type: Bolt
- Lower mount type: Bracket hole
- Includes dust shield for protection
- Mounting hardware not included
Product Line Details: PRT Suspension Strut and Coil Spring Assembly
The PRT Suspension Strut and Coil Spring Assembly line focuses on providing integrated suspension components that combine struts and coil springs into a single unit. This design simplifies installation and ensures compatibility with specific vehicle models. The assemblies are constructed with quality materials such as 55crsi spring steel and Q235b housing steel to meet regular grade suspension requirements without adjustable damping or rebound features.
Technical Description and Features
This suspension strut and coil spring assembly features a compressed length of 13.23 inches and a relaxed length of 19.45 inches, allowing for a travel length of 6.61 inches. The coil spring is made from 55crsi steel, known for its strength and durability, while the housing is constructed from Q235b steel, providing structural integrity. The upper mount uses a bolt type connection, and the lower mount utilizes a bracket hole design, ensuring secure attachment to the vehicle chassis. A dust shield is included to protect the assembly from debris and extend service life. Note that mounting hardware is not included with this part.
Common Applications and Problem Resolution
- Restores suspension performance on Buick DTS and Cadillac Lucerne
- Addresses issues with worn or damaged struts and springs
- Improves ride stability and handling
- Reduces noise and vibration from suspension components
- Replaces assemblies with compromised structural integrity
Installation Notes and Tips
Installation of the PRT Performance Ride Suspension Strut and Coil Spring Assembly (part number 816959) requires proper tools and mechanical knowledge. Since mounting hardware is not included, ensure you have the correct bolts and brackets for your specific vehicle. Verify compatibility with Buick DTS or Cadillac Lucerne models before installation. It is recommended to inspect related suspension components during replacement and perform alignment after installation to maintain optimal vehicle handling.
Quality Assurance and Warranty
The PRT Suspension Strut and Coil Spring Assembly is manufactured to meet regular grade suspension standards using durable materials such as 55crsi spring steel and Q235b housing steel. While specific warranty details are not provided, PRT Performance Ride products typically adhere to industry quality controls to ensure reliable performance and durability in compatible Buick DTS and Cadillac Lucerne vehicles.
| Brand | PRT Performance Ride |
|---|---|
| Part Number | 816959 |
| Position | PRT Suspension Strut and Coil Spring Assembly, Front |
| Adjustable Damping | No |
| Adjustable Rebound | No |
| Compressed Length | 13.23 |
| Dust Shield Included | Yes |
| Grade Type | Regular |
| Housing Material | Q235B |
| Lower Mount Type | Bracket Hole |
| Mounting Hardware Included | No |
| Progressive Spring Rate | No |
| Relaxed Length | 19.45 |
| Spring Coil Quantity | 1 |
| Spring Material | 55CrSi |
| Travel Length | 6.61 |
| Upper Mount Type | Bolt |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | 4.6L | V8 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2011 | Buick | Lucerne | 3.9L | V6 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2011 | Cadillac | DTS | Sedan | 4.6L | V8 | Front | w/ FE1 Suspension; PRT Suspension Strut and Coil Spring Assembly |
| 2010 | Buick | Lucerne | 4.6L | V8 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2010 | Buick | Lucerne | 3.9L | V6 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2010 | Cadillac | DTS | Sedan | 4.6L | V8 | Front | w/ FE1 Suspension; PRT Suspension Strut and Coil Spring Assembly |
| 2009 | Buick | Lucerne | 4.6L | V8 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2009 | Buick | Lucerne | 3.9L | V6 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2009 | Cadillac | DTS | Sedan | 4.6L | V8 | Front | w/ FE1 Suspension; PRT Suspension Strut and Coil Spring Assembly |
| 2008 | Buick | Lucerne | 4.6L | V8 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2008 | Buick | Lucerne | 3.8L | V6 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2008 | Cadillac | DTS | Sedan | 4.6L | V8 | Front | w/ FE1 Suspension; PRT Suspension Strut and Coil Spring Assembly |
| 2007 | Buick | Lucerne | 4.6L | V8 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2007 | Buick | Lucerne | 3.8L | V6 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2007 | Cadillac | DTS | Sedan | 4.6L | V8 | Front | w/ FE1 Suspension; PRT Suspension Strut and Coil Spring Assembly |
| 2006 | Buick | Lucerne | 4.6L | V8 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2006 | Buick | Lucerne | 3.8L | V6 | Front | w/o Magnetic Ride Control Suspension; PRT Suspension Strut and Coil Spring Assembly | |
| 2006 | Cadillac | DTS | Sedan | 4.6L | V8 | Front | w/ FE1 Suspension; PRT Suspension Strut and Coil Spring Assembly |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.