- Material Advancements: Widespread shift from traditional cast iron towards sintered and forged alloy steels—balancing wear-resistance and cost.
- Precision Manufacturing: increased use of CNC machining (pump plates tolerance up to ±0.008mm); ISO/TS 16949, ISO 9001 and ANSI standards widely adopted.
- Custom Engineering: Demand for OEM & custom-specified pump plates rises in automotive, petrochemical and high-pressure fluid systems.
- Efficiency Focus: Lighter plate designs for energy savings; improved surface treatments enable robust corrosion resistance (Zn/Ni coating, nitriding, PVD surface tech).
- Digital Traceability: Integration of QR code tracking & batch serialization for stringent quality management.
| Parameter | Pump Plates | Oil Pump Gear | Oil Pump Gears |
|---|---|---|---|
| Material | Sintered Iron, Alloy Steel (AISI 4620, 20CrMnTi), Cast Iron | Alloy Steel, Hardened Steel, Sintered Metals | Sintered Iron, Stainless Steel, Aluminum Bronze |
| Thickness | 3 – 12 mm | 4 – 18 mm | Varies by diameter (up to 22mm) |
| Precision | ±0.008 mm | ±0.01 mm | ±0.009 mm |
| Surface Hardness | HRC 55–65 | HRC 52–62 | HRC 48–60 |
| Coating/Finish | Zinc/Nickel, PVD, Phosphate | Nitriding, Phosphate, Oil Dipped | Electroplate/Black Oxide Available |
| Quality Standard | ISO/TS 16949, ISO 9001 | ANSI, ISO | ISO, JIS |
| Service Life | 3000–15,000 hrs | 2500–12,000 hrs | 2000–10,000 hrs |
Product URL: https://www.jssintering.com/oem-nissan-sintered-oil-pump-rotor-and-ring.html
Core Applications: Nissan, Infinity and Renault oil pumps; widely adopted in OEM assembly and aftermarkets.
Industries Served: Automotive, Heavy Equipment, High-precision Fluid Transmission, Industrial Automation.
Certifications: Qualified to ISO/TS 16949, Automotive ISO 9001; batch tested to ANSI standards for global exports.
- Powder Mixing: Precisely blended iron and alloy powders ensure homogenous sintering.
- Compacting: Automated hydraulic presses compact powders to maximize green part strength.
- Sintering: Controlled furnace (1120–1280°C) fuses powder matrix, resulting in superior mechanical properties.
- CNC Machining: Robotic machining refines critical tolerance areas—flatness, parallelism, hole diameters.
- Heat Treatment: Custom heat/case-hardening boosts wear resistance; hardness meets or exceeds HRC 60.
- QC Testing: Each batch laser-measured for tolerances; X-ray porosity inspection, surface roughness & fatigue test (per ISO/TS 16949).
| Property | Specified Value | Test/Standard |
|---|---|---|
| Outer Diameter | ø 86.2 ±0.008 mm | OE Spec/Drawings |
| Thickness | 6.0 ±0.03 mm | Certified Calipers |
| Hardness | HRC 59–62 | ASTM E18 |
| Porosity | 11% | GB/T 2541 |
| Surface Roughness | Ra <0.30µm | ISO 4287 |
| Life Test (Cycles) | 3.6 million | Internal Bench—Nissan Spec |
- Automotive: Used in engine oil pumps of Nissan, GM, Toyota and heavy-duty truck platforms, supporting consistent oil delivery even at high RPMs or cold starts.
- Petrochemical: Essential for high-viscosity fluid transfer, including pump transfer stations and offshore drilling mud systems, where robust wear/corrosion resistance is critical.
- Metallurgical: Plays a vital role in hot oil and hydraulic fluid delivery for steel rolling, forging and continuous casting lines; heat resistance is especially valued.
- Water Treatment: Integrated in pump stations and filtration modules for industrial wastewater and potable water systems; low friction/energy saving operation.
- Aftermarket/Replacement: High reliability in global aftersales, fitting seamlessly with OEM and non-OEM pump models.
2019–2022 batch installation (fleet of 1800 units):
- Switched to OEM Nissan sintered pump plates in primary and aux oil pump systems.
- Result: Service interval extended from avg. 66,000 km to 120,000+ km. Measured oil pressure stability improved 23%. No rust/fretting upon end-of-life teardown.
- Return on investment: Maintenance cost per 100,000 km down 39% vs. previous cast iron plates.
| Supplier | Process | Main Material | Flatness (mm) | Service Life | Cost Index | Noted for... |
|---|---|---|---|---|---|---|
| JSSintering (OEM Nissan) | Sintered + CNC | Ferroalloy Blend | <0.012 | 13000 h | 1x | Batch traceability, custom design, longest life |
| PrecisionPump EU | Machined | Alloy Steel (20CrMnTi) | 0.019 | 9700 h | 1.2x | Fast delivery, moderate cost |
| Hangzhou Foundry | Cast Iron | Grey Cast Iron | 0.021 | 8100 h | 0.65x | Low cost, bulk order, lower precision |
| Shanghai Yida | Forged/CNC | Alloy Steel | 0.017 | 10200 h | 1.1x | High strength, fast batch cycle |
- Full support for OEM and customized pump plate designs—submit system drawing or technical specs for rapid prototyping (leadtime: 18–30 days from design approval).
- Batch traceability, serialization, and 100% inspection for each order.
- Coating options (phosphate, nickel, PVD, custom) for industry/region-specific needs.
- Reverse engineering service: optimize worn or obsolete parts to current standards, improve service life 30–60%.
- On-site or remote installation guidance available; global shipping, door-to-door.
Custom high-porosity sintered pump plates engineered to withstand 275°C and saline brine exposure.
Result: Service interval increased 3x, zero failure across 30+ installation points after 1.5 years.
- Standard delivery for custom pump plates: 18–30 working days from approval.
- Global shipping, customs clearance and door-to-door service available.
- Warranty: 3 years or 50,000 km (automotive), 1–3 years (industrial); covers manufacturing and performance defects.
- 24/7 multi-language engineering support (email/phone/video), technical installation resources, rapid spare delivery network.
- All products batch-tested and provided with detailed QA certificates meeting ISO/TS and ANSI standards.
- Client testimonials and project references available on request.
- "Current sintering technology for pump plates delivers far superior fatigue strength and microstructure uniformity versus historical castings." — Powder Metallurgy in Pump Components, Industrial Engineering Journal
- "ISO/TS 16949 and batch traceability are becoming the baseline for global oil pump gear systems." — Hydraulic Institute Standards Forum
- Additional Reading: "Sintered Gears and Plates, A Comparative Study" (Materials & Design, 2023)











