1. Product Basic Info
OE Number: YS4Z-6038-BA / YS4Z6038BA
Alias Name: Front Right Hydraulic Engine Mount / RH Passenger Motor Insulator / Front Engine Insulator Assembly
Platform: Ford Focus MK1 C170 Compact Platform
Mount Position: Engine bay front passenger right side main hydraulic powertrain support mount
2. Core Function
Bear 2.0L Zetec DOHC four-cylinder powertrain weight (Auto Trans exclusive)
Sealed hydraulic oil-filled EPDM core eliminates idle shake & cabin low-frequency booming noise
Absorb metal clunk impact during P/R/D gear shifting and sudden throttle input
Limit lateral engine offset under acceleration & rough road driving
3. Feature Highlights
Compact round hydraulic design fits narrow MK1 engine bay
Double-layer anti-leak seal prevents hydraulic oil seepage
Ribbed cast aluminum base improves structural rigidity & heat dissipation
Matte aluminum anti-corrosion finish resists road salt, mud and engine oil splash
4. Common Failure Symptoms
Severe steering wheel, dashboard & floor vibration at idle; vibration intensifies when AC compressor activates
Persistent low-frequency humming drone inside cabin during highway cruising and uphill acceleration
Hydraulic rubber oil leakage, deep radial cracks, rubber bulging or separation from aluminum base
Loud metal clunk impact noise shifting gears or rapidly stepping on/releasing gas pedal
Visible engine right side sagging & excessive lateral powertrain sway under hard acceleration/braking
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Working Room

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