| BO SCH | 0242356515 / MR3DII360 |
|---|---|
| DENSO | GL3-3 / GL35 |
| BERU | 18GZ5-77-5 |
| Packaging Details | Original packaging |
| Delivery Time | 15days |
| Cooling Type | Water-to-air Shell & Tube Heat Exchanger |
|---|---|
| Tube Material | Red Copper / Brass |
| Shell & Flange Material | Cast Aluminum + Carbon Steel Connecting Flange |
| Assembly Scope | Complete Unit With Air Inlet/outlet Flanges, Mounting Brackets And Sealing Flanges, No Extra Component Assembly Required |
| Mounting Position | Side Integrated Installation On Engine Block |
| Boost Pressure | 0.6–0.8 Bar (adjustable) |
|---|---|
| Maximum Rotating Speed | 120,000 Rpm |
| Intake Air Flow | 0.25–0.5 Kg/s |
| Compression Ratio | 2.2–2.5:1 |
| Turbine Inlet | φ80 Mm (flange Connection) |
| Structure | MLS Multi-layer Steel Gasket With Integrated Sealing Beads |
|---|---|
| Free Thickness | 1.6 Mm (tolerance ±0.05 Mm) |
| Inner Flow Profile | Matches Cylinder Head Exhaust Port Exactly |
| Fixing Bolt Holes | OEM Standard Layout & Aperture |
| Outer Shape | One-piece Integrated Flange Gasket |
| Total Wall Thickness | ≥4.2 Mm (Inner Rubber Layer: 2.2 Mm + Fiber Reinforcement Layer + Outer Rubber Layer: 2.0 Mm) |
|---|---|
| End Connectors | Integrated Straight Barrel With Outer Convex Sealing Grooves |
| Allowable Axial Expansion & Contraction | ±8 Mm |
| Radial Compensation Capacity | ±5 Mm |
| Packaging Details | Original packaging |
| Structural Features | Flat Top, Large Valve Head And Slender Stem. The Valve Head Diameter Is Larger Than That Of The Exhaust Valve For The Same Engine Model. Made Of High-temperature Resistant Alloy Valve Steel. |
|---|---|
| Surface Treatment | Precision Ground Valve Stem, Chamfered Edge On Valve Head. Original Parts Are Treated With Nitriding Or Chrome Plating, Presenting Silvery Grey Or Light Golden Surface. |
| Overall Dimensions | Total Length Approx. 200–220 Mm, Valve Head Diameter Approx. 50–55 Mm, Stem Diameter Approx. 10 Mm, Compatible With Valve Guides Of 620 Series Engines. |
| Packaging Details | Original packaging |
| Delivery Time | 15days |
| Type | Flywheel Ring Gear |
|---|---|
| Applicable Models | MWM TBG620 V12/V16/V20 And TBD620 Series Gas & Diesel Engines |
| Material | Grade 45 Steel (S45C) With High-frequency Quenched Teeth, Hardness: 45–55 HRC |
| Tooth Specification | 136 Teeth (standard For 620 Series) |
| Installation Method | Shrink Fit. Heat The Gear For Expansion And Fit It Onto The Flywheel, Which Will Be Tightly Secured After Cooling. |
| Part Number | 12420021 (OEM Original Part, Standard Thickness) |
|---|---|
| Type | Thrust Washer (2 Semi-circular Pieces Per Set) |
| Applicable Models | MWM TBG620 V12/V16/V20 And TBD620 Series Gas & Diesel Engines |
| Material | Steel Backing With Babbitt Alloy Coating (same As Main Bearings), Featuring Excellent Wear Resistance And Impact Resistance |
| Function | Restrict Crankshaft Axial Play, Bear Axial Thrust And Keep The Crankshaft In Stable Position |
| Fitting Clearance | 0.18–0.25 Mm |
|---|---|
| Installation | Place The Oil Groove Side Towards The Crankshaft And Align Locating Tabs To Prevent Displacement |
| Common Defects | Alloy Layer Peeling, Bearing Seizure And Excessive Wear. Inspect Roundness And Surface Condition Of Main Journal During Replacement |
| Lubrication | Use Original MWM SAE 40 Special Oil For Gas Engines. Normal Operating Oil Pressure: 4–6 Bar |
| Packaging Details | Original packaging |
| Part Numbe | 12420024 (OEM Original Part, Standard Size) |
|---|---|
| Type | Connecting Rod Bearing (one Set Of Upper And Lower Shells) |
| Applicable Models | MWM TBG620 V12/V16/V20, TBD620 Series Engines |
| Material | Bimetallic Structure With Steel Backing And Babbitt Alloy Coating, Wear-resistant And Impact-resistant For Heavy-duty Service |
| Specification | Fits Connecting Rod Big End Journal φ170 Mm, Standard Thickness Related Part: 12420022 (Main Bearing) |