Sinotruk Engine Connecting Rod Bearing OEM Main Bearing Set Vg1246030011/12
Ensure optimal crankshaft support, oil film stability, and long-term engine durability in your SINOTRUK commercial vehicle with this high-precision main bearing set, engineered as a direct-fit OEM replacement for:
Designed for use in SINOTRUK’s heavy-duty diesel engines, including the MC05, MC07, MC11, MC13, and D10 series, this main bearing set provides critical support for the crankshaft at each main journal. Manufactured to strict Chinese OE specifications, these tri-metal bearings deliver superior load capacity, fatigue resistance, and compatibility with high-pressure lubrication systems found in modern Euro III, IV, and V engines.
Ideal for engine overhauls, rebuilds, or replacing worn bearings due to low oil, debris, or extended service, this set ensures smooth operation, reduced friction, and protection against journal damage.
Key attributes
| Item | Specifications |
|---|---|
| Product Name | Main Bearing Set – Replacement for VG1246030011 / VG1246030012 |
| OEM Part Numbers | VG1246030011 (Upper Bearing), VG1246030012 (Lower Bearing) |
| Alternative Numbers | VG 1246030011, VG1246030011/12, VG1246030011P, MainBrg-SINO11 |
| Cross-references: CTR-SINO11, SINO-MB11, BrgVG1246030011 | |
| Bearing Type | Tri-Metal Main Bearing (Steel Back + Copper-Lead-Tin Alloy + Babbitt Overlay) |
| Application | Crankshaft Main Journals – Full Engine Set (Typically 7 or 9 Pieces) |
| Engine Compatibility | SINOTRUK MC05, MC07, MC11, MC13, D10 Series Diesel Engines |
| Inner Diameter (ID) | Standard: 107.00 mm (Crankshaft Journal Fit – Confirm with engine model) |
| Available Sizes | Standard, +0.25mm, +0.50mm, +0.75mm (Select based on crankshaft grinding) |
| Material Structure | Steel Back + High-Copper Alloy Layer + Tin-Aluminum or Babbitt Overlay (5–25μm) |
| Anti-Seize Coating | Graphite or Molybdenum Disulfide (Dry Film) – Prevents Dry Start Wear |
| Lubrication Grooves | Upper Half: Oil Groove & Hole; Lower Half: No Groove (Full-Circle Support) |
Company Profile
Haifeng Auto Parts: Engineering Confidence into Every Drive.
For years, Haifeng Auto Parts has been the trusted name behind the high-performance components that keep vehicles running safely and smoothly. We understand that in the automotive world, quality isn't just a feature—it's the foundation of trust. That’s why we’ve built our entire operation around one promise: delivering uncompromising quality.
How We Deliver:
Precision Manufacturing: Our advanced, automated production lines craft each part with exceptional accuracy, ensuring a perfect fit and reliable performance every time.
Extreme Testing: We push our products to the limit. From intense temperature and wear tests to critical seal integrity checks, we ensure every component is ready for the toughest real-world conditions.
Proven Performance: Top auto manufacturers rely on our parts for their most critical systems—including braking, suspension, and transmission. Their trust is our testament to quality.
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