Precise fit for quick replacement Designed specifically for crankcase 530071991 to ensure a precise, secure fit on HUS and HUS142 models. Replaces a worn or damaged crankcase without the need for custom modification. Durable construction for long service life Manufactured from robust materials that resist wear from regular use. Built to withstand vibration and engine stresses so you get consistent performance over time. Restores and improves engine performance Upgrading to this crankcase helps restore proper engine alignment and sealing, improving combustion efficiency and reducing unwanted vibration. The result is smoother operation and more reliable power delivery. Easy installation saves time and cost Engineered for straightforward installation so most users can replace the crankcase quickly without professional help. Minimizes downtime and repair expenses. Key attributes Function: replacement crankcase for engine restoration and repair Compatibility: fits crankcase 530071991 and is tailored for HUS and HUS142 models Material: durable, wear-resistant construction for long-term use Performance: improves engine efficiency, smoothness, and reliability Installation: user-friendly design for fast, hassle-free replacement Practical use scenarios 1. Routine maintenance: Replace a worn crankcase during scheduled servicing to maintain factory-level performance and reduce the risk of sudden failure in the field. 2. Post-damage repair: Swap in this crankcase after impact or housing damage to restore proper engine alignment and sealing without needing an entire engine assembly. 3. Preparation for heavy work: Install before a demanding cutting or landscaping job to ensure the HUS or HUS142 unit runs smoothly and consistently under load. Why choose this crankcase Exact compatibility with part number 530071991 eliminates fitment guesswork. Robust materials and design reduce repeat repairs and downtime. Simple installation lets you get back to work faster while keeping repair costs lower. What to check before purchase Verify your equipment uses crankcase 530071991 and is a HUS or HUS142 model to ensure correct fit and function.