Coil Springs

54010CM31B - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 54010CM31B
G35. Sedan. Awd. From 1/06.
Discontinued
540101LD4A - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 540101LD4A
QX56. Without premium trim. 2wd. To 9/10.
Discontinued
550201BF1B - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 550201BF1B
EX35, EX37. QX50.
Discontinued
55020JU40A - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 55020JU40A
G25, G37. With sport package. With rear active steering. With rr active steering, sedan.
Discontinued
5401050J67 - : Coil Spring for Infiniti Image

Coil Spring

Infiniti 5401050J67
Touring Suspension. G20. Auto trans.
Discontinued
55240AD010 - : Coil Spring Damper for Infiniti Image

Coil Spring Damper

Infiniti 55240AD010
QX4. To 9/00. 4wd. From 12/98 with 4WD.
Discontinued
550316P100 - : Coil Spring Insulator for Infiniti Image

Coil Spring Insulator

Infiniti 550316P100
Lower, double coil.
Discontinued
54034AG001 - : Coil Spring Insulator for Infiniti Image

Coil Spring Insulator

Infiniti 54034AG001
Insulator. Q45, M45. Outer.
$36.47
MSRP $43.42
Save $6.95
16% Off
5403431U15 - : Coil Spring Insulator for Infiniti Image

Coil Spring Insulator

Infiniti 5403431U15
Lower. Inner, upper.
Discontinued
552400M010 - : Coil Spring Damper for Infiniti Image

Coil Spring Damper

Infiniti 552400M010
G20. Tokai.
Discontinued
5503431U00 - : Coil Spring Insulator for Infiniti Image

Coil Spring Insulator

Infiniti 5503431U00
Seat. I30. G20.
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.