Standard Piston Ring Set 8-94390799-0 8943907990 For ISUZU FRR33 6HH1 Engine
| Part Name: | Piston Ring Set / Standard Piston Ring Set / Ring Set | Part No: | 8-94390799-0, 8943907990 |
| Vehicle Application: | ISUZU FRR33 Series (also FR Model) | Engine Application: | ISUZU 6HH1 (6-Cylinder) Diesel Engine |
| Piston Ring Size: | Standard (OEM Factory Size) | Ring Type: | Compression Rings (Top + Secondary) + Oil Control Ring |
| Top Ring Material: | High-Strength Steel With Chrome / Nitride Coating | Second Ring Material: | High-Strength Steel / Cast Iron |
| Oil Ring Material: | Steel Rail With Spring Expander | Ring Profiles: | Barrel Face / Taper Face / Beveled (as Per OE Design) |
| Fitment: | OEM Standard, Direct Replacement | Condition: | Brand New |
| H/S Code: | 840999100 | ||
| High Light: | Standard Piston Ring Set for ISUZU FRR33,ISUZU 6HH1 Engine Piston Rings,Piston Ring Set 8-94390799-0 |
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Function: Standard piston ring set provides optimal cylinder sealing, controlling compression, oil consumption, and heat transfer in ISUZU 6HH1 diesel engines for restored engine performance.
The Standard Piston Ring Set (OEM Numbers: 8-94390799-0 / 8943907990) is a premium-quality, direct replacement engine component designed specifically for ISUZU FRR33 series medium-duty trucks equipped with 6HH1 diesel engines. This comprehensive ring set includes all compression rings and oil control rings required for a complete piston overhaul, restoring proper cylinder sealing, compression pressure, oil consumption control, and heat transfer from the piston to the cylinder wall.
| Part Number | 8-94390799-0, 8943907990 | Product Name | Piston Ring Set / Standard Piston Ring Set / Ring Set |
|---|---|---|---|
| Car Model | ISUZU FRR33 Series (also FR model) | Engine Model | ISUZU 6HH1 (6-Cylinder) Diesel Engine |
| Condition | 100% Brand New | Size | Standard |
| Weight | Standard | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | Package | Neutral Packing Or Make It As Requested |
| Warranty | 6 Months | Price & Stock | Please Contact Us To Get More Information |
| Material | High-strength aluminum alloy & precision bearings | Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement | Quality Standard | OEM equivalent / ISO quality control |
- OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function.
- Precision Ground Profiles: Barrel-face or taper-face top ring designs ensure optimal conformability and sealing at all operating conditions.
- Advanced Surface Treatment: Chrome plating or nitriding provides exceptional wear resistance and extended service life.
- Efficient Oil Control: Advanced oil control ring design minimizes oil consumption while maintaining proper cylinder lubrication.
- Optimized Ring Gap: Precision gaps engineered for proper thermal expansion at operating temperatures.
- Restores Engine Compression: Eliminates blow-by and power loss caused by worn rings.
- Reduces Oil Consumption: Proper sealing reduces oil burning and exhaust smoke.
- Improves Fuel Economy: Restored compression leads to better combustion efficiency and fuel savings.
- Standard Size: Designed for OEM cylinder bore dimensions; ideal for engines with minimal bore wear.
- Comprehensive Kit: All rings for one piston included - order one set per piston.
This standard piston ring set is specifically designed for ISUZU medium-duty trucks and industrial equipment. Common applications include:
- ISUZU FRR33 (Medium-Duty Trucks)
- ISUZU 6HH1 Engine Specifications:
- 6-Cylinder, Inline Diesel
- Displacement: 8.2L (8228cc)
- Bore: 110 mm × Stroke: 120 mm
- Valvetrain: OHV
- Application: Medium-duty trucks, buses, and industrial use
- Industrial Applications: Forklifts, generators, compressors, agricultural equipment, and various construction machinery utilizing 6HH1 engines
- Also compatible with various ISUZU models using the 6HH1 engine
Professional engine builder installation is essential:
- Measure cylinder bores - Check cylinder bore diameter and taper/wear. If worn beyond service limits, rebore and use oversized rings.
- Hone cylinders - If bores are within tolerance, hone to the correct cross-hatch pattern for ring seating.
- Clean ring grooves - Thoroughly clean all piston ring grooves of carbon and debris.
- Inspect pistons - Check for damage, scoring, or ring groove wear; replace pistons if necessary.
- Check ring end gap - Place each ring in its cylinder bore near the bottom and measure end gap with feeler gauges.
- Adjust ring gap - File ring ends to achieve manufacturer-specified end gap if necessary (check service manual).
- Check ring side clearance - Install each ring on the piston and check side clearance in the groove.
- Install rings on piston - Install rings in the correct order and orientation (top, second, oil ring) using a ring expander tool.
- Check ring orientation - Ensure ring gaps are staggered at 120° or per manufacturer specification.
- Apply clean engine oil - Lubricate rings and cylinder bore with clean engine oil before installation.
- Install piston into cylinder - Use a ring compressor tool; carefully insert piston into the cylinder.
- Check connecting rod orientation - Ensure rod is correctly oriented per engine assembly procedure.
- Complete assembly - Assemble remaining components per engine manual.
- Break-in procedure - Follow proper engine break-in procedure to seat rings (avoid prolonged idle, vary RPM, etc.).
- Material Verification: Confirms ring material composition meets ISUZU strength and wear resistance specifications.
- Dimensional Inspection: Ring diameter, thickness, and width verified within OEM tolerances.
- End Gap Verification: Each ring's end gap checked to ensure it meets factory specifications.
- Surface Hardness Testing: Top ring surface hardness verified for proper wear resistance.
- Surface Finish Inspection: Ring face profiles checked for proper geometry and surface finish.
- Visual Inspection: 100% checked for cracks, burrs, or coating defects.
- Packaged Safely: Protected with anti-rust oil and securely packaged to prevent damage during transit.
- Neutral export packing or customized packaging available
- Carton or wooden case for safe transportation
- Fast delivery for stock items
- Shipping by Express Air or Sea
For pricing, availability, or bulk purchase of the Standard Piston Ring Set 8-94390799-0 8943907990 For ISUZU FRR33 6HH1 Engine, please contact our sales team for a competitive quote and expert technical support.
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