1. Pre-owned Shocks, Struts & Assemblies Parts
  2. sku: 12845202972980663
  3. QUALITIPARTS 13403965

QUALITIPARTS 13403965 Struts Shocks Adj Coilovers Suspension Adj.height

fits model: Is250, Is350, Rwd. year: 2006–2013.

13403965 Qualitiparts For 2006-2013 Is250 Is350 Rwd Struts Shocks Adj.height Coilovers Suspension Kits

( Brand: Qualitiparts ), ( Manufacturer Part Number: 13403965 ), ( Type: Shock Spring Assembly ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Front, Rear, Left, Right ), ( Performance Part: Yes ), ( Universal Fitment: No ), ( Features: Easy To Replace, Adjustable ), ( Fitment Type: Direct Replacement ), ( Surface Texture: Aluminum, Steel ), ( Kit Or Single Part: Kit ), ( Note: No Instruction Included ), ( Top Mount: Aluminum Mounts With Rubber Inserts Front And Rear ), ( Tip: Professional Installation Suggested. ), ( Caution: Coilover Will Lower Your Ride Height. ), ( Kit Parts Included: Coil Spring, Shock, Strut, Coilover ), ( Adjustable Level: Non Adjustable Damper ), ( Front Spring Rate: 8kg/mm ), ( Quantity: One Set 2 Pieces Front, 2 Pieces Rear ), ( Rear Spring Rate: 6kg/mm ), ( Color: Red ), ( Adjustable Height Range: 5-10cm )

Review QUALITIPARTS For Struts Shocks Adj. Height Coilovers Suspension Kits fits IS250 IS350 RWD 2006–2013

Introducing the Qualtiparts 13403965 adjustable height coilover suspension kit, specifically designed for the 2006 to 2013 RWD IS250 and IS350 models. This high-performance suspension system offers a perfect blend of comfort and handling, making it an excellent choice for those seeking to enhance their driving experience.

The heart of this kit are the adjustable height coilovers, which provide the driver with the ability to fine-tune the ride height of their vehicle to their preference. Whether you're looking for a more aggressive stance or increased ground clearance, this suspension system has got you covered.

Each coilover features a monotube design, which allows for consistent damping force and superior handling. The adjustable height is achieved through the use of a threaded body, which allows for easy adjustments.

These coilovers also come with adjustable damping, allowing you to fine-tune the rebound and compression settings to suit your driving style and road conditions. The adjustment knobs are conveniently located at the top of the strut, making it simple to make adjustments without the need for specialized tools.

The Qualtiparts 13403965 suspension kit includes new struts and shock absorbers, ensuring a complete and comprehensive upgrade to your vehicle's suspension system. The struts are designed to provide improved handling and stability, while the shock absorbers offer superior damping control for a smoother and more comfortable ride.

Installation of this kit is relatively straightforward, with no major modifications required. The kit includes all necessary hardware and instructions for a hassle-free installation process. Additionally, the coilovers are fully rebuildable and come with a one-year warranty for added peace of mind.

Upgrading your IS250 or IS350 with the Qualtiparts 13403965 adjustable height coilover suspension kit is an investment in both performance and style. This system not only provides improved handling and comfort but also adds a bold and aggressive look to your vehicle. Whether you're a weekend warrior or a daily driver, this suspension kit is sure to exceed your expectations.

A Detailed Analysis of Qualipro's 13403965 Struts and Coilovers for 2006-2013 IS250 and IS350 RWD

Introduction:

The Qualipro 13403965 strut and coilover assembly is a popular aftermarket suspension upgrade for the 2006-2013 Lexus IS250 and IS350 Rear-Wheel Drive (RWD) models. These struts come with adjustable height coilovers, allowing users to fine-tune their vehicle's ride height. In this analysis, we will explore the potential advantages and disadvantages of installing these parts.

Pros:

1. Adjustable ride height: The ability to adjust the ride height provides flexibility for users who want a more aggressive or stock appearance for their vehicles.

2. Improved handling: Some users report an improvement in handling and responsiveness after installing these struts and coilovers.

3. Quality construction: Qualipro is a well-known brand in the automotive aftermarket industry, and their parts are generally considered to be of high quality.

4. Affordable price: Compared to other aftermarket strut and coilover assemblies, the Qualipro 13403965 is relatively affordable, making it an attractive option for many IS250 and IS350 RWD owners.

Cons:

1. Installation complexity: Installing these struts and coilovers requires a fair amount of mechanical expertise, which may dissuade some users from attempting the installation themselves.

2. Potential for noise: Some users have reported an increase in noise, particularly during hard acceleration or when driving over rough roads.

3. Lack of progressive spring rate: The spring rate does not change progressively, which may result in a less refined ride quality compared to other, more expensive options.

Conclusion:

The Qualipro 13403965 strut and coilover assembly offers several advantages, including adjustable ride height, improved handling, and quality construction at an affordable price. However, it also comes with some drawbacks, such as the complexity of installation, potential for increased noise, and lack of progressive spring rate. Ultimately, the decision to purchase these parts depends on your individual priorities, mechanical abilities, and budget.

Recommendation:

For those seeking a more aggressive look and improved handling, the Qualipro 13403965 struts and coilovers are a solid choice. However, for those who prioritize a refined ride quality and are less mechanically inclined, it may be worth considering a more expensive option with progressive spring rates and easier installation. As always, thorough research and careful consideration are recommended before making a purchase.

Details:

Remove OE air line fitting from the and discard. Use the figure below as an example. Removal complete. Remove the air line.

Disconnect control arm at wheel carrier. Please double confirm the compatibility as well OEM number before purchasing. Remove left rear wheel. Our air struts shocks are designed for superior ride quality by adjusting quickly to different road and vehicle conditions, while offering ultimate safety functionality.

Loosen control arm at rear axle carrier. Disconnect torsion bar from wheel carrier. Note: RWD Only, not fit for AWD. Gain access to top nuts and airline by removing rear speaker foam inserts underneath.

Disconnect ride height sensor arm. Security, accuracy and quality of the product match original part. Swing control arm down. Removal Guideline.

Installation Guideline. New List Item. Remove sway bar linkage. Raise vehicle.

Disconnect both electrical connectors. Installation is in reverse order of air strut removal. Caution: Coilover will lower your ride height . For Lexus GS300/GS350 RWD 2007 -2011.

For Lexus IS F RWD 2008 -2013. Remove cover from control arm. Fitment: For Lexus IS 250 / IS350 RWD 2nd Gen. Item Specifications.

Remove lower strut bolt. Our air suspension struts replace the original strut of your vehicle and offer you maximum ride comfort with high durability. For 2006 2013 IS250 IS350 RWD Struts Shocks Adj. height Coilovers Suspension Kits Fitment. Improves Ride Handling,Guaranteed Exact Fit for easy installation.

specifications shockseek:

  • for models: Is250, Is350, Rwd
  • for years: 2006-2013
  • brand: Qualitiparts
  • mpn: 13403965
  • type: Shock Spring Assembly
  • manufacturer warranty: 1 Year
  • placement on vehicle: Front, Rear, Left, Right
  • performance part: Yes
  • universal fitment: No
  • features: Easy To Replace, Adjustable
  • fitment type: Direct Replacement
  • surface texture: Aluminum, Steel
  • kit or single part: Kit
  • note: No Instruction Included
  • top mount: Aluminum Mounts With Rubber Inserts Front And Rear
  • tip: Professional Installation Suggested.
  • caution: Coilover Will Lower Your Ride Height.
  • kit parts included: Coil Spring, Shock, Strut, Coilover
  • adjustable level: Non Adjustable Damper
  • front spring rate: 8kg/mm
  • quantity: One Set 2 Pieces Front, 2 Pieces Rear
  • rear spring rate: 6kg/mm
  • color: Red
  • adjustable height range: 5-10cm

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returns shockseek:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

general shockseek:

  • Car Truck Parts Accessories > Steering Suspension > Shocks, Struts Assemblies
  • condition: New

offer shockseek:

  • started: December 29, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 10
  • best offers: True

seller shockseek:

  • rating: 99.0%
  • # reviews: 3444
  • city: Ontario, California

shipping shockseek:

  • type: Fixed
  • class: Standard
  • transit: 4-8 Days
  • cost: $0.00
  • service: Standard
for models: is250, is350, rwd, for years: 2006-2013, type: shock spring assembly, manufacturer warranty: 1 year, placement on vehicle: front, rear, left, right, performance part: yes, universal fitment: no, features: easy to replace, adjustable, fitment type: direct replacement, surface texture: aluminum, steel, kit or single part: kit, note: no instruction included, top mount: aluminum mounts with rubber inserts front and rear, tip: professional installation suggested., caution: coilover will lower your ride height., kit parts included: coil spring, shock, strut, coilover, adjustable level: non adjustable damper, front spring rate: 8kg/mm, quantity: one set 2 pieces front, 2 pieces rear, rear spring rate: 6kg/mm, adjustable height range: 5-10cm,
category: auto parts > car truck parts accessories > steering suspension > shocks, struts assemblies, color: red, sku: 12845202972980663,

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