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Piston Ring Set 1-12121137-1 For Isuzu CXZ CYZ 6SD1T Engine 1121211371
Standard piston ring set provides sealing between piston and cylinder wall, controlling compression, oil consumption, and heat transfer. Ensures efficient combustion and low blow-by for Isuzu 6SD1T diesel engines.
Product Overview
The Piston Ring Set (OEM Numbers: 1-12121137-1 / 1121211371) is a premium-quality, direct replacement engine component designed for Isuzu CXZ and CYZ series heavy-duty trucks equipped with the 6SD1T diesel engine.
Part Number
1-12121137-1, 1121211371
Product Name
Piston Ring Set / Standard Piston Ring Set
Car Model
ISUZU CXZ, CYZ
Engine Model
ISUZU 6SD1T (Heavy-duty Diesel)
Condition
100% Brand New
Size
Standard
Material
High-strength aluminum alloy & precision bearings
Cooling Type
Engine coolant circulation
Installation
Direct OEM replacement
Quality Standard
OEM equivalent / ISO quality control
Warranty
6 Months
Main Market
Middle East, Asia, Africa, South America, North America & Europe
Features & Advantages
OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and long service life
Standard Size: Direct replacement for factory bores
High-Strength Materials: Steel or ductile iron rings resist wear and fatigue under high cylinder pressures
Advanced Coatings: Top ring often chrome or PVD coated for reduced friction and scuff resistance
Precision End Gaps: Pre-gapped to OE specification (may require fine-tuning for rebuilt engines)
Oil Ring Assembly: Three-piece design provides excellent oil control and conformability
Restores Engine Performance: Eliminates blue smoke, high oil consumption, and low compression
Cost-Effective: Affordable alternative to genuine rings
Vehicle & Engine Compatibility
This piston ring set is specifically designed for Isuzu CXZ and CYZ trucks with 6SD1T engine.
Isuzu Truck Models:
ISUZU CXZ (CXZ51, CXZ81, heavy-duty 6×4 or 8×4 configurations)
ISUZU CYZ (CYZ51, CYZ52, heavy-duty trucks)
May also fit other Isuzu heavy models with 6SD1T engine - verify
Engine Specification - ISUZU 6SD1T:
6-Cylinder, Inline Diesel, Turbocharged
Displacement: 9.8L? (Heavy-duty engine)
Application: CXZ, CYZ series
Installation Notes
Installation steps (overview):
Clean piston ring grooves thoroughly using a groove cleaning tool
Check ring end gap by inserting each ring into the cylinder bore (squarely) and measuring with feeler gauge. File if necessary to OE spec (typically 0.35-0.55mm for 6SD1T - refer to manual)
Install rings onto piston starting with oil ring (expander then rails), then second compression ring, then top ring. Note orientation (markings facing up)
Stagger ring gaps around the piston (e.g., 120° apart)
Lubricate rings and piston with engine oil
Compress rings with a ring compressor and install piston into cylinder
Continue engine assembly
Quality Control
Material Verification: Ring material composition and hardness tested
Dimensional Inspection: Ring diameter, width, radial thickness, and end gap verified
Tension Test: Radial tension measured within specification
Coating Adhesion: Chrome/PVD coating tested for bond strength
Visual Inspection: 100% checked for defects
Packaged Safely: Rings organized in a plastic tray or paper wrap, boxed with foam
Packaging and Delivery
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
Inquiry
For pricing, availability, or bulk purchase of the Piston Ring Set 1-12121137-1 For Isuzu CXZ CYZ 6SD1T Engine 1121211371, please contact our sales team for a competitive quote and expert technical support.
Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv... Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv...