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Product Details
Product Overview
This high-quality Piston Ring Set is specifically engineered for the Mitsubishi Fuso 4D33 and 4D33T diesel engines, commonly found in Canter trucks, Rosa buses, and other industrial applications. Manufactured to meet or exceed OEM specifications, this ring set ensures optimal compression, oil control, and engine longevity. We supply to workshops, distributors, and fleet operators across North America, Europe, Asia-Pacific, the Middle East, and Africa, offering reliable global shipping from our strategic warehouses.
Key Features & Benefits
Superior Material: Manufactured from high-grade ductile iron with advanced wear-resistant coatings for extended service life.
Precision Engineering: CNC-machined to exact tolerances (108mm bore) for a perfect seal and reduced friction.
Optimized Oil Control: Multi-piece oil ring design minimizes oil consumption and blow-by.
Durability: Tested for high thermal and mechanical stress, suitable for both naturally aspirated and turbocharged (4D33T) variants.
Cost-Effective: Direct replacement for OEM parts, offering significant savings without compromising quality.
Technical Specifications
Specification
Detail
Part Number
ME996378 / ME999871
Engine Model
4D33 / 4D33T
Bore Diameter
108mm (Standard)
Ring Dimensions
3.0mm x 2.0mm x 4.0mm (1st/2nd/Oil Ring)
Material
Ductile Iron with Chromium Coating
Ring Count
3 Piston Rings per Set
Packing
Set of 4 (for 4-cylinder engine)
OEM Cross-Reference
This piston ring set is a direct replacement for the following OEM and reference numbers:
Forklifts, generators, and agricultural machinery using 4D33/4D33T engines
Global Supply & Distribution
Worldwide Shipping: We ship via air, sea, or express courier (DHL, FedEx, UPS) to all major ports and industrial hubs.
Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Japan, Thailand, Australia), Middle East (UAE, Saudi Arabia), Africa (Nigeria, South Africa).
Fast Delivery: Stock available for immediate dispatch from our regional warehouses in Shanghai, Dubai, and Rotterdam.
Trade Compliance: We provide full export documentation and support for customs clearance.
Quality Assurance
Standards: Manufactured under ISO 9001:2015 quality management systems.
Testing: Each batch undergoes dimensional inspection, hardness testing, and oil ring tension verification.
Warranty: 12-month warranty against manufacturing defects from the date of purchase.
FAQ
Q1: Will this piston ring set fit my Mitsubishi 4D33T turbo engine? A: Yes. This set is compatible with both the naturally aspirated 4D33 and the turbocharged 4D33T engines. The ring dimensions (3.0×2.0x4.0mm) are identical for both variants. Always confirm your engine block bore is within the 108mm standard specification before installation.
Q2: What is the recommended installation procedure? A: We recommend cleaning the piston grooves thoroughly, using a piston ring expander tool to avoid breakage, and staggering the ring gaps (typically 120 degrees apart) to prevent blow-by. Lubricate the rings with clean engine oil during assembly. A professional mechanic should perform the installation.
Q3: What is the typical lifespan of these rings after installation? A: Under normal operating conditions and with proper break-in, these rings can last 300,000 to 500,000 km (or 6,000-10,000 hours) depending on maintenance, oil quality, and engine load. Regular oil changes every 500 hours are critical for maximizing ring life.
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