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SINOTRUK SITRAK C7 HOWO TX HOWO MAX Engine Rear Rubber Support Mounting WG9925590380 WG9925590360
Engine Rear Rubber Support / Mounting WG9925590360
It is installed at the rear mounting brackets that connect the sides of the engine flywheel housing to the chassis frame rails. Constructed from high-density, pure natural rubber vulcanized onto a metal framework, it is designed to support the immense vertical load of the rear engine and front transmission sections while isolating the frame from high-frequency engine vibrations.
Premium Engine Rear Rubber Bearing WG9925590380
This component is typically used as part of a suspension limiting or combined assembly. It is specifically designed to suppress and dampen the violent lateral or longitudinal twisting and oscillation of the engine-caused by fluctuations in torque output during heavy-duty truck acceleration, steep climbs under heavy throttle, or sudden braking-thereby protecting the primary load-bearing engine mounts from being torn apart by shear forces.
When to Replace
1. Severe Cab Resonance: The steering wheel, center console, or even the sleeper berth vibrates violently-causing rearview mirrors to blur-when the vehicle is idling or operating at specific engine speeds.
2. Impact/Jolting During Gear Shifting or Take-off: A metallic clunking sound is heard from the chassis frame when starting off, accelerating hard on an incline, or releasing the clutch. This is typically caused by worn limit stops or the separation of the mount's rubber from its metal base, allowing the engine to shift suddenly and strike the frame directly.
3. Visible Damage:
• Sagging or Deformation: The rubber mount appears flattened or deformed, causing the engine to sit lower than normal.
• Cracking or Delamination: Deep cracks appear on the rubber surface, or the rubber has separated or delaminated from the internal steel framework.
• Oil Contamination/Corrosion: Prolonged exposure to engine oil or diesel fuel has caused the rubber to soften, swell, and become sticky or mushy to the touch.
HOWO / SITRAK Engine Rear Mount System Replacement BOM Detail
| No. | Part Number / Spec | Part Name (EN) | Qty / Vehicle | Part Category | Replacement & Inspection Suggestion |
|---|---|---|---|---|---|
| 1 | WG9925590360 | Engine Rear Rubber Support | 2 pcs | Core Load-Bearing Part | Must Replace (1 pc each for LH/RH flywheel housing, bears vertical weight) |
| 2 | WG9925590380 | Engine Rear Rubber Bearing | 2 pcs | Anti-Torsion Limiter | Recommended (Pairs with 360, cushions anti-torsion during start/braking) |
| 3 | Q151B18120 (Ref) | High-Strength Hexagon Bolt | 4 pcs | Critical Fastener | Recommended (Old bolts suffer from continuous shear stress & metal fatigue) |
| 4 | Q40318 / Q40118 | Plain Washer / Spring Washer | 8 pcs | Standard Anti-Loosening | Must Replace (High-frequency engine vibration requires new washers to lock) |
| 5 | Q341B18 (Ref) | Hexagon Lock Nut | 4 pcs | Safety Fastener | Must Replace (One-time use anti-loosening design, do NOT reuse) |
| 6 | WG9925590301 (Ref) | Rear Engine Support Bracket (LH) | As Required | Structural Connector | Replace only if the old bracket is cracked, deformed, or damaged |
| 7 | WG9925590302 (Ref) | Rear Engine Support Bracket (RH) | As Required | Structural Connector | Replace only if the old bracket is cracked, deformed, or damaged |
DETAILS
| DESCRIPTION | Engine Rear Rubber Support Mounting | PART NUMBER | WG9925590380 WG9925590360 |
| WEIGHT | 3 kg | VOLUME | 165 mm × 140 mm × 110 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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