Description
Overview:
This Genuine Hatz piston (OEM No. 00639602) is a precision replacement component for Hatz diesel engines used across construction and garden machinery. Built from robust, engine‐grade alloy, it is engineered to handle high temperatures and continuous load, helping to restore and maintain correct compression, power, and efficiency. The "90 +1.0" specification denotes a 90 mm class piston with a +1.0 mm oversize, suited to engines that have been re-bored to repair wear or scoring. It provides a dependable fit and performance in compactors, generators, pumps, mowers, and other light plant powered by Hatz engines. Chosen during routine overhauls or repairs, this piston supports smooth running, consistent combustion, and long service life when installed to Hatz specifications.
Key Features:
- Genuine Hatz part for assured compatibility and build quality (OEM 00639602)
- 90 mm class with +1.0 mm oversize to suit correctly re-bored cylinders
- Durable, heat‐resistant alloy construction for demanding site and landscaping use
- Accurate machining to help maintain proper compression and combustion efficiency
- Stable crown and skirt geometry for smooth operation and reduced vibration
- Designed to integrate with standard Hatz engine assemblies for reliable sealing when used with matching rings
- Supports straightforward fitting using normal workshop practices and service data
- Helps restore engine output, fuel efficiency, and starting performance after wear
Typical Applications:
Used in Hatz diesel engines found in plate compactors, generators, water pumps, light plant, mobile equipment, and professional garden machinery. Ideal during engine rebuilds following cylinder wear, scoring, or loss of compression, where a +1.0 mm oversize is specified after re-boring and honing to the correct tolerance.
Also known as:
Hatz diesel piston, 90 mm oversize piston +1.0 mm, oversize engine piston for Hatz, replacement piston 00639602, piston component for Hatz engines, 90/+1.0 piston, engine rebuild piston for Hatz diesels.
Product Specifications
| L&S Part No. | 00639602 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hatz |
| OEM No. | 00639602 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Hatz |
| Key Features | - Genuine Hatz part ensures compatibility (OEM 00639602) - 90 mm class piston with +1.0 mm oversize - Engine-grade alloy handles high temperatures - Accurate machining maintains compression efficiency - Suitable for compactors, generators, and pumps |
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