Coil Springs

540404P001 - : Spring Seat for Infiniti Image

Spring Seat

Infiniti 540404P001
Without touring. Q45.
Discontinued
54034EG000 - : Spring Seat for Infiniti Image

Spring Seat

Infiniti 54034EG000
Awd. M35, M45. 2wd.
Discontinued
540404P701 - : Spring Seat for Infiniti Image

Spring Seat

Infiniti 540404P701
Q45. With touring.
Discontinued
540344P000 - : Spring Seat for Infiniti Image

Spring Seat

Infiniti 540344P000
Q45. Upper.
Discontinued
540340W010 - : Spring Lower Insulator for Infiniti Image

Spring Lower Insulator

Infiniti 540340W010
4wd. QX4. Lower.
Discontinued
55050AG001 - : Spring Seat for Infiniti Image

Spring Seat

Infiniti 55050AG001
Without electrical adjust.
Discontinued
550340P000 - : Upper Seat for Infiniti Image

Upper Seat

Infiniti 550340P000
2 wheel steering. J30.
Discontinued
55490AR00C - : Beam Axle Damper for Infiniti Image

Beam Axle Damper

Infiniti 55490AR00C
4wd. Without sport package.
Discontinued
543200W000 - : Upper Insulator for Infiniti Image

Upper Insulator

Infiniti 543200W000
4WD. to 12/98. QX4. 2wd, to 12/98.
Discontinued
543202W100 - : Upper Insulator for Infiniti Image

Upper Insulator

Infiniti 543202W100
4wd, from 12/98. QX4.
$52.42
MSRP $67.20
Save $14.78
22% Off

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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.