Bob 320 321 323 Main Hydraulic Pump 6688448 PVD-0B-9P-5G-5041A OEM For Mini Excavator Parts
Price:
Negotiated price
MOQ:
1PCS
Delivery Time:
1~5 days
Brand:
Bob
Product Description
Bob 320/321/323 Main Hydraulic Pump
6688448 / PVD-0B-9P-5G-5041A | OEM New | Mini Excavator Parts
1. Basic Info
- Part Name: Main Hydraulic Piston Pump
- OEM Numbers: 6688448, PVD-0B-9P-5G-5041A (Nachi)
- Fits Models: Bob 320, 321, 323 (1.5–2 ton mini excavator)
- Condition: OEM New / Original Quality
- Warranty: 12 months
- MOQ: 1 unit; in stock, ships 1–3 days
- 2. Key Features
- Genuine Nachi OEM pump, direct replacement for Bob 320/321/323
- PVD-0B series compact piston pump, high efficiency & reliability
- Integrated charge pump and relief valve; load-sensing compatible
- High-strength cast iron housing and premium seals for long service life
- Exact fit, no modifiion needed; matches original performance
3. Technical Specifiions
- Model: PVD-0B-9P-5G-5041A
- OEM No.: 6688448
- Type: Axial piston pump, variable displacement
- Rated Pressure: 21 MPa (210 bar)
- Max Pressure: 25 MPa (250 bar)
- Rated Flow: ~18 L/min
- Rotation: Clockwise (CW)
- Weight: ~21 kg
- Mounting: Direct bolt-on, same as original
4. Compatibility
- Bob: 320, 321, 323 (all serial numbers)
- Cross Reference: 6688448, PVD-0B-9P-5G-5041A
5. Supplier Advantages (Belparts)
- 10+ years in mini excavator hydraulic parts; Nachi & Bob OEM specialist
- OEM new & genuine aftermarket options; full Bob 320/321/323 parts range
- Exported to 150+ countries; CE-certified, strict QC testing
- Guangzhou warehouse stock; fast air/sea/express shipping
- Professional technical support for installation & troubleshooting
6. FAQ
Q1: Is this genuine Bob?
A: OEM New (Nachi original), matches Bob OEM specs and performance.
Q2: Does it come with a warranty?
A: Yes, 12-month warranty against manufacturing defects.
Q3: Ready to ship?
A: In stock; ships within 1–3 working days.
| # | Part No. | Description | Qty |
|---|---|---|---|
| 1 | 6688448 | PUMP PISTON; W/Ref. 2-52 | 1 |
| 2 | 6688089 | KIT CYLINDER BARREL; W/Ref. 3-5, 22, 44-50 | 1 |
| 3 | 6688090 | PISTON; W/Ref. 44-45 | 1 |
| 4 | 7012656 | HOLDER, SHOE | 1 |
| 5 | 7012654 | BARREL, CYLINDER | 1 |
| 6 | 7010811 | O-RING | 1 |
| 7 | ---- | PLUG; NLA | 1 |
| 8 | 7012649 | FRAME | 1 |
| 9 | ---- | BODY; NLA | 1 |
| 10 | ---- | CUP; NLA | 1 |
| 11 | ---- | STOPPER; NLA | 1 |
| 12 | ---- | STOPPER; NLA | 1 |
| 13 | ---- | ROD; NLA | 1 |
| 14 | ---- | PLATE, SWASH; NLA | 1 |
| 15 | ---- | BALL; NLA | 2 |
| 16 | ---- | RING, SNAP; NLA | 1 |
| 17 | ---- | BEARING, BALL; NLA | 1 |
| 18 | ---- | SHAFT; NLA | 1 |
| 19 | 7012650 | SEAL, OIL | 1 |
| 20 | ---- | RING, SNAP; NLA | 1 |
| 21 | ---- | BEARING, NEEDLE; NLA | 1 |
| 22 | 7012657 | HOLDER, BARREL | 1 |
| 23 | ---- | PLUG; NLA | 1 |
| 24 | 7010811 | O-RING | 1 |
| 25 | ---- | GUIDE, SPRING; NLA | 1 |
| 26 | ---- | SPRING; NLA | 1 |
| 27 | ---- | GUIDE, SPRING; NLA | 1 |
| 28 | ---- | PIN; NLA | 1 |
| 29 | 7012651 | O-RING | 1 |
| 30 | ---- | PIN; NLA | 1 |
| 31 | ---- | BODY; NLA | 1 |
| 32 | ---- | BOLT; NLA | 1 |
| 33 | 7012652 | SEAL, WASHER | 1 |
| 34 | ---- | PLUG; NLA | 5 |
| 35 | ---- | SCREW; NLA | 1 |
| 36 | ---- | NUT; Pos.15 - NLA | 1 |
| 37 | 6688537 | O-RING | 1 |
| 38 | ---- | COLLAR; NLA | 1 |
| 39 | ---- | COUPLER; NLA | 1 |
| 40 | 6693120 | GEAR PUMP; NLA - Order 7012653 - Was 6693120 | 1 |
| 40 | 7012653 | PUMP GEAR | 1 |
| 41 | ---- | PIN; NLA | 1 |
| 42 | ---- | SCREW; NLA | 2 |
| 43 | ---- | WASHER; NLA | 2 |
| 44 | 7012645 | SHOE | 10 |
| 45 | 7012648 | PISTON | 10 |
| 46 | 7012655 | PLATE, VALVE | 1 |
| 47 | 7012659 | RING, SNAP | 1 |
| 48 | 7012647 | RETAINER | 2 |
| 49 | 7012658 | SPRING C | 1 |
| 50 | 7012646 | NEEDLE | 3 |
| 51 | 6688538 | O-RING; NLA - .41" OD - Was 6688538 | 1 |
| 52 | 6688539 | O-RING | 1 |
| 53 | 6688091 | KIT SEAL; W/Ref. 6, 8, 19, 24, 29, 33, 37, 51-52 | 1 |
| 54 | 6688919 | KIT SEAL; Use W/Ref. 40 | 1 |
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
BELPARTS MACHINERY LIMITED
Location
429-432,No.268 Zhongshan Avenue East,Huangpu District,Guangzhou
Contact Person
Ron