Custom CNC Machined 17-4PH Stainless Steel Automotive Fuel Pump Housing H900 0.01mm Bore
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Product Details:
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Custom CNC Machined 17-4PH Stainless Steel Automotive Fuel Pump Housing H900 0.01mm Bore
Description| Material: | 17-4PH Stainless Steel | Hardness: | HRC 40-45 |
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| Bore Tolerance: | +/-0.01mm | Bore Finish: | Ra0.4 |
| Heat Treatment: | H900 Condition | Pressure Test: | 100% Leak Tested |
| Highlight: | 17-4PH Fuel Pump Housing,H900 Heat Treated Machining,0.01mm Bore Automotive Parts |
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A pressure-tight fuel pump housing machined from 17-4PH stainless steel and hardened to the H900 condition. The bore, seal counterbore, and port threads are machined in a single setup to achieve 0.01mm tolerance and an Ra0.4 bore finish.
- Pressure-Tight Body: 100% leak tested at 1.5 times working pressure.
- H900 Hardened: HRC 40–45 for wear resistance at seal and plunger interfaces.
- Tight Bore Control: 0.01mm bore tolerance and Ra0.4 finish for stable flow and sealing.
- Customization: Port angle, thread type, connector boss, and mounting ear built per drawing.
| Material | 17-4PH stainless steel |
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| Process | CNC turning, milling, thread milling |
| Bore Tolerance | ±0.01mm |
| Bore Finish | Ra0.4 |
| Heat Treatment | H900, HRC 40–45 |
| Pressure Rating | Tested to customer specification |
| Port Standard | NPT, SAE, metric on request |
| Lead Time | 22–30 days for bulk orders |
Customization covers inlet and outlet port geometry, pressure sensor bosses, return line fittings, and surface passivation. Prototypes in 440C or 316L are available for bench validation before production release.
Each housing undergoes dimensional CMM verification, roughness measurement, and pressure decay leak testing. Material certificates and heat treatment records are archived per batch.
Request a quote: send your 2D drawings, 3D STEP files, or samples, and we will reply with a DFM review, quotation, and lead time within 24 hours.
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W1.The auto part exceeded my expectations. Solid build quality, works perfectly. Great value, highly ecommended! 2.Very happy with the item. Well packaged. Looks exactly as described, easy to install. Saved the shop. 3.Fast shipping and helpful customer service. Good quality auto part, worth the money. Will purchase again. 4.Installation went smoothly. The part performs as promised. Great replacement part. 5. Well packaged, exactly as pictured. Easy to install, no extra adjustments needed.
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S1.Parts came exactly as described. Good quality and fast delivery. 2.Easy to work with. They answered every question quickly and shipped on time. 3.Solid product, fair price. Second order already placed. 4.Everything arrived on schedule and the quality was good. 5.Reliable supplier. Good communication and good finish on the parts. 6.Custom parts fit perfectly. Very happy with the result.
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R1.The auto part exceeded my expectations. Solid build quality, works perfectly. Great value, highly ecommended! 2.Very happy with the item. Well packaged. Looks exactly as described, easy to install. Saved the shop. 3.Fast shipping and helpful customer service. Good quality auto part, worth the money. Will purchase again. 4.Installation went smoothly. The part performs as promised. Great replacement part. 5. Well packaged, exactly as pictured. Easy to install, no extra adjustments needed.
Contact Person: Mr. Jack Li
Tel: +86 755 2301 2752
