Coil Springs

55050HG00A - : Upper Seat for Infiniti Image

Upper Seat

Infiniti 55050HG00A
QX30. Awd.
$50.52
MSRP $64.77
Save $14.25
22% Off
540345DA0A - : Upper Seat for Infiniti Image

Upper Seat

Infiniti 540345DA0A
QX30.
$102.72
MSRP $145.08
Save $42.36
29.2% Off
550505DA0A - : Upper Seat for Infiniti Image

Upper Seat

Infiniti 550505DA0A
Without awd. QX30. Fwd.
Backordered
550365DA0A - : Lower Seat for Infiniti Image

Lower Seat

Infiniti 550365DA0A
With awd. QX30.
$50.34
MSRP $64.53
Save $14.19
22% Off
540358J000 - : Lower Seat for Infiniti Image

Lower Seat

Infiniti 540358J000
4wd. Fx. Lower.
$14.27
MSRP $16.98
Save $2.71
16% Off
550363JA0A - : Lower Seat for Infiniti Image

Lower Seat

Infiniti 550363JA0A
Awd. QX60. Lower. Fwd. JX35.
$57.85
MSRP $74.17
Save $16.32
22% Off
540345NA0A - : Upper Seat for Infiniti Image

Upper Seat

Infiniti 540345NA0A
QX50. Upper. QX55.
$43.52
MSRP $55.81
Save $12.29
22% Off
550365NA0A - : Lower Seat for Infiniti Image

Lower Seat

Infiniti 550365NA0A
With awd. QX50. Lower. QX55.
$33.08
MSRP $39.38
Save $6.30
16% Off
550347JA0A - : Spring Insulator for Infiniti Image

Spring Insulator

Infiniti 550347JA0A
QX80. Upper. Without air suspension.
$19.50
MSRP $23.22
Save $3.72
16% Off
540355DA0A - : Lower Seat for Infiniti Image

Lower Seat

Infiniti 540355DA0A
QX30.
$63.32
MSRP $81.18
Save $17.86
22% Off
55034EN101 - : Upper Seat for Infiniti Image

Upper Seat

Infiniti 55034EN101
With awd. QX50. Upper. QX55.
$40.00
MSRP $47.62
Save $7.62
16% Off
540355NA0B - : Lower Seat for Infiniti Image

Lower Seat

Infiniti 540355NA0B
QX50. Lower. QX55.
$36.19
MSRP $43.08
Save $6.89
16% 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.