Coil Springs

5501941U23 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 5501941U23
I30. Left. Touring model. Touring suspension.
Discontinued
5502038U24 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 5502038U24
I30. Right. Base model. Standard suspension. Exc.Touring Suspension.
Discontinued
550203Y004 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 550203Y004
I35. Sport model. 3.5l, with sport. Sport Package. Touring Suspension. I30. All. Touring model. Sport Suspension. With t package.
Discontinued
550206P009 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 550206P009
Q45. To 01/1998. Hard Ride Suspension. Touring Suspension. With Touring.
Discontinued
54010JK03A - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 54010JK03A
G35. 2wd. To 6/07. 2wd, coupe, without sport brakes.
Discontinued
540101CK0C - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 540101CK0C
With awd with continuous damping control. FX50. QX70. 5.0l.
Discontinued
55020AR012 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 55020AR012
With electrical adjust. Premium Package 18 " Wheels. Q45. With premium or sport pkg.
Discontinued
E40101A33E - : Coil Spring for Infiniti Image

Coil Spring

Infiniti E40101A33E
Q60. With sport brakes. 2wd, convertible, with ipl model.
Discontinued
550201MA0A - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 550201MA0A
M37, M56. Rwd. Without sport.
Discontinued
550200P303 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 550200P303
2 wheel steering. J30. Standard suspension.
Discontinued
5502043U22 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 5502043U22
I30. Right. Touring model. T-Pack Series. Touring Suspension.
Discontinued
55020JJ51A - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 55020JJ51A
G25, G37. Without rear active steering. Q60. Without rr active steering, convertible without IPL.
Discontinued

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Coil Springs and Balanced Ride Control

Coil springs are an important part of how a vehicle supports weight and responds to changing road conditions. They carry the load of the vehicle while allowing the suspension to move smoothly over uneven surfaces. At Douglas INFINITI, these components are often discussed during routine suspension evaluations. Normal driving habits and environmental exposure influence how coil springs age.

What Coil Springs Do Every Day

Coil springs are part of the suspension system and are designed to compress and rebound as the vehicle travels over bumps or dips. This action helps maintain ride height and keeps the tires planted on the road. INFINITI models such as the INFINITI Q50 and INFINITI QX60 use springs engineered for their specific weight and chassis layout.

Why Coil Springs Wear Out

Over time, repeated compression cycles can lead to metal fatigue. Moisture and road debris may also contribute to corrosion, especially in regions with seasonal weather changes. These factors can result in sagging or uneven stance.

Choosing Proper Replacement Parts

Genuine INFINITI coil springs are designed to align with original specifications for height and load rate. Variations in generic replacements may affect how related parts like shocks and struts operate. Installation requirements may vary. Professional installation or consultation with a qualified technician is recommended. Douglas INFINITI provides access to OEM components matched to manufacturer intent.