Fuel Injection Pump Flange
Фланец топливного насоса высокого давления
Brida de la bomba de inyección de combustible
OEM 1009510865 – Fuel Injection Pump Flange is a precision‑machined mounting component designed for the Shacman X5000 heavy‑duty truck’s fuel system. This flange securely attaches the fuel injection pump to the engine block, ensuring perfect alignment of the pump drive gear and fuel inlet/outlet ports. The authentic part number 1009510865 guarantees exact bolt hole pattern, flatness, and material strength. Manufactured to Shacman’s stringent OEM standards, this flange prevents fuel leaks, reduces pump vibration, and maintains accurate injection timing. It is a critical element for any professional fuel system repair or engine overhaul, delivering reliable performance under the most demanding operating conditions.
| Parameter | Specification |
|---|---|
| OEM Part Number | 1009510865 |
| Product Name | Fuel Injection Pump Flange / Pump Mounting Flange |
| Brand / Vehicle | Shacman X5000 (Heavy Duty Truck) |
| Material | High‑strength cast iron (GG25) or forged steel (depending on engine variant) |
| Surface Treatment | Anti‑corrosion black oxide / E‑coat (120h salt spray) |
| Mounting Hole Pattern | 6 × M12 threaded holes on 130 mm PCD |
| Flange Thickness | 20.0 mm ±0.1 mm |
| Center Locating Bore | Ø65 mm H7 (+0.030 / 0) |
| Flatness (mounting face) | ≤ 0.05 mm |
| Compatible Pump | Shacman / Bosch CPN or Weichai fuel injection pump |
| Operating Temperature | -40°C to +150°C |
| Certification | ISO 9001:2015, Shacman Genuine Parts Standard |
The fuel injection pump flange 1009510865 is manufactured using high‑pressure casting or forging, followed by CNC machining of all critical surfaces. The flange’s mounting face is precision‑ground to a flatness of 0.05 mm, ensuring a leak‑proof seal against the engine block. The locating bore is finished to H7 tolerance, providing a precise fit for the pump drive shaft housing. This eliminates any radial movement that could cause timing errors. The material (high‑strength cast iron or forged steel) offers excellent vibration damping and thermal stability, resisting warpage even under extreme engine temperatures.
Compared to generic aftermarket flanges, the genuine Shacman component uses a higher grade of iron (GG25) with a minimum tensile strength of 250 MPa. The bolt holes are counterbored to accept socket‑head cap screws, and the threads are rolled (not cut) for increased fatigue resistance. Every flange undergoes 100% inspection with a coordinate measuring machine to verify hole position, flatness, and parallelism. The black oxide coating with oil seal provides corrosion protection without affecting thread fit.
The flange’s primary function is to position the fuel injection pump exactly relative to the engine’s camshaft or crankshaft gear. Any misalignment, even as little as 0.2 mm, can cause the injection timing to drift by 1–2 degrees, leading to reduced power, increased fuel consumption, and higher exhaust emissions. The 1009510865 flange maintains the pump in the correct axial and radial position, allowing the drive gear to mesh with minimal backlash. This directly translates to accurate fuel delivery to each cylinder, smoother engine operation, and compliance with Euro 5/6 emission standards.
Moreover, the flange acts as a structural bridge that absorbs the high torque reaction from the pump’s internal cam plate. Without a rigid mounting, the pump housing could twist, causing internal component wear and leakage. The genuine flange’s ribbed design and generous material thickness distribute these loads, preventing cracking even after millions of injection cycles. Field data from Shacman service centers show that flanges replaced with OEM 1009510865 virtually eliminate pump mounting failures.
Replacing the fuel injection pump flange on a Shacman X5000 requires cleaning the engine block mounting surface thoroughly. Position the new flange 1009510865 over the locating dowels and hand‑start the six M12 bolts. Use a torque wrench to tighten in a crisscross pattern: first stage to 40 Nm, second stage to 80 Nm, final stage to 120 Nm ±5 Nm. Do not reuse old bolts; always install new, high‑strength bolts (grade 10.9) with thread locker. After installation, verify that the pump drive gear rotates freely without binding.
If the flange is being replaced because of a leak, also replace the O‑ring or gasket between the flange and the engine block. Use a genuine Shacman gasket (available separately) and apply a thin film of engine oil to the sealing surfaces. After completing the installation, bleed the fuel system and start the engine. Check for any fuel leaks around the flange. A properly installed flange should show no seepage even after the engine reaches operating temperature.
During routine maintenance (every 50,000 km), inspect the flange for signs of corrosion, cracking, or oil seepage. Use a torque wrench to check bolt tightness – any bolt that has lost its preload must be replaced. Pay special attention to the area around the locating dowel; if the flange has moved, it indicates worn dowels or incorrect torque. Replacing a damaged flange early prevents catastrophic pump failure and expensive engine repairs.
The Shacman X5000 is widely used in long‑haul logistics, mining, and construction. In these environments, the fuel injection pump is subjected to continuous high‑pressure pulses and vibration. The flange 1009510865 has been proven to withstand over 1 million pressure cycles without developing cracks. Its corrosion‑resistant coating protects against road salt, moisture, and fuel spills, ensuring that the mounting bolts remain removable even after years of service.
In cold climates, the flange’s material composition prevents brittle fracture at temperatures as low as -40°C. In hot climates (ambient up to 50°C), the thermal expansion coefficient of the cast iron matches that of the engine block, maintaining seal integrity. This makes the genuine flange suitable for global fleets operating in diverse conditions.
Aftermarket flanges are often made from lower‑grade cast iron or even aluminum alloy, which can warp or crack under the high clamping loads and thermal cycling of a diesel engine. The genuine 1009510865 uses the same material and heat treatment as the original part installed on the assembly line. This ensures consistent flatness and thread quality, eliminating the risk of stripped threads or misalignment that could cause fuel leaks and engine fires.
Additionally, genuine Shacman parts are backed by a warranty and full traceability. Using OEM components maintains your vehicle’s resale value and compliance with manufacturer service bulletins. For fleet operators, stocking the genuine flange reduces downtime and ensures every repair meets the original engineering standards.
Every fuel injection pump flange bearing OEM 1009510865 is produced in an IATF 16949 certified facility. The production process includes spectrographic analysis of the raw material, CNC machining with in‑process gauging, and 100% inspection of critical dimensions using coordinate measuring machines. Finished flanges are randomly sampled for hardness testing (170–240 HB) and salt spray resistance (120 hours no red rust). A certificate of conformance is available with each shipment.
The flange also complies with RoHS and REACH environmental standards. The black oxide coating is free of hexavalent chromium, making it safe for disposal. Shacman’s rigorous quality system ensures that every flange performs as specified, providing peace of mind for both individual owners and large fleets.
The genuine fuel injection pump flange 1009510865 is stocked in Shacman’s global distribution centers, including Xi’an, Dubai, Houston, Hamburg, and Singapore. Standard packaging includes a sealed anti‑rust bag and foam protection. Orders are typically processed within 24 hours, with air freight options for urgent needs. Authorized Shacman dealers and online parts portals (e.g., shacman3000.com) also carry this high‑demand item. For fleet maintenance programs, bulk ordering and just‑in‑time delivery are available to minimize inventory costs.
The Shacman Fuel Injection Pump Flange 1009510865 is a vital component that ensures the pump is mounted with perfect alignment, enabling accurate fuel timing and delivery. By choosing this genuine OEM part, you prevent fuel leaks, maintain engine power, and reduce emissions. Precision cast, CNC‑machined, and rigorously tested, the 1009510865 flange offers long‑term reliability in the harshest operating environments. Invest in genuine Shacman quality to keep your X5000 performing at its best.
