Search result for: 51684SNA903
RUBBER,SPG LWR FR
Part number: 51684SNA903
Availability: 8
Weight, kg: 0.035
Processing: 2-3 days
Make: Honda
Made in: Japan

Front Lower Spring Insulator โ Suspension Rubber Damper ๏ธ
This OE-style rubber pad sits between the front coil spring and the lower seat. Its job is simple but vital: cushion the spring, stop metal-to-metal contact, and keep road noise and vibration out of the cabin. It helps your Hondaโs suspension stay quiet, smooth, and correctly aligned over time.
Why you need it โ
Without a healthy insulator, the spring can grind against its seat. This pad spreads the load evenly, reduces NVH, protects paint on the coil, and prevents rust. It also helps the spring index in the right position, supporting stable ride height and precise steering feel.
How it works โ๏ธ
Made from durable, heat- and oil-resistant rubber, the pad compresses slightly to absorb micro-shocks and isolates vibration. It locks the spring end against the stop on the lower perch, so the coil cannot twist or walk during suspension travel.
What happens if itโs broken โ ๏ธ
- Clunking or squeaking over bumps
- Harsh ride and extra vibration in the cabin
- Spring misalignment, uneven tire wear, and steering drift
- Chipped spring coating leading to corrosion and early spring failure
- Damage to the lower seat or strut components
Tech tips for replacement
- Inspect the lower perch; clean rust and debris before install
- Align the coil end to the stop; do not twist the rubber
- Torque fasteners at ride height to avoid bushing preload
Compatibility
- Civic
- Civic 4D
