Pump Plungers
AssemblyTwo to four precision-machined reciprocating plungers oscillating at engine speed (500–8000 rpm), drawing fuel and pressurizing it on the backstroke. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Pump Plungers parts and their functions
4 top-level parts · 4 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Plunger Bore | 1× | High-precision cylindrical bore (5–7 mm diameter) containing plunger rod |
| 2 | Plunger Rod | 1× | Hardened steel rod with clearance ≤0.005 mm, minimizing internal leakage |
| 3 | Inlet Check Valve | 1× | Check valve at plunger inlet, opening to draw fuel, closing on pressurization |
| 4 | Plunger Outlet Valve | 1× | Check valve at plunger outlet, allowing discharge to outlet stage at high pressure |
3D model
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Build & assembly graph
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Bill of materials for Pump Plungers
4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Plunger Bore | fuel-injection-pump-plunger-barrel | 1× | 1 | · | part |
| 2 | Plunger Rod | fuel-injection-pump-plunger-rod | 1× | 1 | · | part |
| 3 | Inlet Check Valve | fuel-injection-pump-inlet-valve | 1× | 1 | · | part |
| 4 | Plunger Outlet Valve | fuel-injection-pump-outlet-valve | 1× | 1 | · | part |
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Where the pump plungers is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $5–$2k. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| kbl.co.in ↗ | Pune, IN | Pumps & fluid systems | 200 units | 6–10 wks |
| leo.com.cn ↗ | Taizhou, CN | Pumps | 200 units | 6–10 wks |
| shaktipumps.com ↗ | Pithampur, IN | Pumps | 200 units | 6–10 wks |
| cnppumps.com ↗ | Hangzhou, CN | Pumps | 200 units | 6–10 wks |
| rotopumps.com ↗ | Noida, IN | Pumps | 200 units | 6–10 wks |