Cab/Sleeper Mount Kit fits Peterbilt 357, 365, 378, 379, 385, 389 🔧
SKU: KT75-61257
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Cab/Sleeper Mount Kit fits Peterbilt 357, 365, 378, 379, 385, 389 🔧
Product Name:
Cab/Sleeper Mount Kit – Fits Peterbilt 357, 365, 378, 379, 385, 389
Overview:
The Cab/Sleeper Mount Kit is a complete replacement set designed for Peterbilt models to secure the cab and sleeper sections to the truck frame. These mounts play a vital role in absorbing road shock, isolating vibration, and maintaining proper alignment between the chassis and body. Over time, original rubber mounts wear out, leading to excessive cab movement, rattling, or misalignment. This kit restores structural stability, ride comfort, and safety for both driver and vehicle.
Vehicle Compatibility:
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Peterbilt Models:
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357,365,378,379,385,389
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357,365,378,379,385,389
- Fits various cab configurations, including Day Cab, Sleeper Cab, and Extended Hood versions.
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Note: Verify fitment with your model year and cab style for best results.
Kit Contents (Typical):
Contents may vary slightly depending on supplier or application.
- ✅ Cab Mount Bushings – High-durability rubber or polyurethane isolators
- ✅ Sleeper Mount Bushings – Designed to absorb torsional and vertical forces
- ✅ Metal Sleeves/Inserts – Ensure proper alignment and hardware fit
- ✅ Mounting Hardware – Includes bolts, washers, and nuts (Grade 8 or equivalent)
- ✅ Installation Guide or Torque Specs
Key Features:
🔧 OEM-Quality Fit:
- Manufactured to original specifications for direct-fit installation
- Ensures cab and sleeper alignment is restored without modification
🧱 Durable Materials:
- Made from high-strength rubber or polyurethane to handle heavy-duty loads
- Resistant to oil, road salt, temperature changes, and UV degradation
🚚 Enhanced Ride Comfort:
- Absorbs road shock and vibration
- Reduces interior cab noise and rattling
🛡️ Protects Structural Components:
- Prevents damage to frame brackets, cab mounts, and body panels
- Helps avoid stress fractures from metal-on-metal contact
Benefits:
- ✔️ Restores proper cab and sleeper mounting height
- ✔️ Reduces fatigue and vibration for drivers
- ✔️ Improves safety by maintaining secure body/frame connection
- ✔️ Cost-effective solution compared to full body/frame repairs
Installation Notes:
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Skill Level: Intermediate to Advanced (professional installation recommended)
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Tools Required: Wrenches, jacks/supports, torque wrench
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Installation Time: ~2–4 hours depending on experience and access
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Tip: Replace all mounts at once for balanced support and optimal performance
Ideal For:
- Fleet maintenance replacing worn or collapsed cab bushings
- Owner-operators looking to improve ride quality and reduce cab noise
- Restoration projects bringing older Peterbilt models back to factory condition
- Trucks experiencing sagging cabs, loose mounts, or harsh road feel
Summary:
The Cab/Sleeper Mount Kit for Peterbilt 357, 365, 378, 379, 385, and 389 models is a must-have for restoring comfort, safety, and structural integrity. Built to handle the demanding conditions of long-haul and vocational trucking, this kit ensures your cab and sleeper remain properly supported and isolated from road shock. Whether for preventative maintenance or repair, this kit helps keep your Peterbilt riding smooth and secure.
Let me know if you'd like a version focused on polyurethane vs. rubber bushings or if you're sourcing this for fleet or retail.
| Peterbilt | 357, 365, 378, 379, 389 |