Rear Bushing – Front Control Arm

The FEBEST NAB-S51B is a hydraulic rear bushing designed for the front control arm, installed on the lower front axle (rear position). Built without a bracket, it is ideal for repairs where only the bushing needs replacement, offering flexibility and cost efficiency.

Manufactured by FEBEST, this hydro bushing delivers improved comfort and stability across Nissan and Infiniti performance platforms.

Key Specifications

• Part Number: NAB-S51B
• Component Type: Rear Bushing (Without Bracket)
• Fitting Position:
  • Lower Front Axle
  • Rear (Control Arm Position)
• Mounting Type: Hydraulic (Hydro Mount)

Key Features

• Hydraulic Design – Superior vibration damping vs standard rubber bushings
• Cost-Effective Repair – Replace only the bushing without full bracket assembly
• Improved Ride Comfort – Reduces noise, harshness, and road vibration
• Maintains Alignment – Supports stable suspension geometry under load

OEM Cross References

Compatible with multiple NISSAN OE numbers, including:
54500EG00A, 54501-4GE0A, 54500-JL02B, 54501-JU50A, 54500-JL01A, 54501-1BD2B, 54501-JL04B, 54500-JU41A, 54501-EG01A, 54500-EG01A, 54500-1NA1A, 54501-1MD0A, 54501-1NA2A, 54500-JK500, and many more

Aftermarket Cross References

• MOOG: RK621596, RK622552, RK621597, RK622084, RK622549
• GSP: 516550
• LYNXauto: C9782

Vehicle Compatibility

INFINITI:

• EX, FX
• G Series (Sedan, Coupe, Convertible)
• M Series (M35, M37, M / Q70)
• Q40, Q60, Q70L
• QX50

NISSAN:

• 370Z (Coupe & Roadster)
• Fairlady Z (Z34)
• Skyline (V36, V37)
• Skyline Crossover
• Fuga (Y50, Y51)
• Cima

Related Parts

• NAB-S51S – Front bushing, front lower control arm

When to Replace

• Excessive vibration or harsh ride
• Fluid leakage from hydro bushing
• Clunking noise from front suspension
• Reduced steering stability or control

Why Choose FEBEST

FEBEST hydro bushings are designed to replicate OEM comfort while offering flexibility in repair — allowing workshops to replace only what’s needed without unnecessary cost.