| Parameter Item | Nominal Value | Tolerance | Unit |
| Wire Diameter | 13.8 | ±0.15 | mm |
| Outer Diameter | 152.0 | ±1.5 | mm |
| Inner Diameter | 124.4 | ±1.5 | mm |
| Free Length | 318.0 | ±3.0 | mm |
| Total Coils | 6.50 | ±0.25 | Coils |
| Active Coils | 4.90 | ±0.25 | Coils |
| Direction | Right-hand | — | / |
| End Type | Closed & Ground Flat | — | / |
| Spring Rate | 310 | ±4.0% | N/mm |
| Hardness | 46–49 | ±2 | HRC |
OEM Part Number:55350-2W320
Replaced by: 55350-2W320DS (Latest Revision)
Alternate OE: 55350-2W250, 55350-2W300
Product Name: Rear Suspension Coil Compression Spring
Application: Hyundai Santa Fe DM (2013–2019) 2.0T / 2.4L (FWD/AWD, 5-passenger)
Position: Rear Axle, Left & Right Universal
Weight: 3.15 kg (6.94 lbs)
Material: 60Si2Mn / SUP10 High Strength Spring Steel
Quality Standard: ISO/TS16949, JIS G 4801
Recommended Replacement: Replace in pairs (LH+RH)
Warranty: 1 Year / 100,000 km