Guangzhou Yingxin Machinery Parts Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 50000 Piece / Years |
| Delivery Time | 5-8 working days |
| Packaging Details | Neutral Export Carton |
| Cross Reference | 1889491, CA1889491, 173-1203, 196-8428 |
| Product Name | Pilot Hydraulic Gear Pump |
| Type | External Fixed Displacement Gear Pump |
| Material | Housing: Aluminum Alloy; Gears: High-Precision Steel; Seals: NBR/PTFE Composite |
| Application | CAT Excavator Hydraulic Pilot System |
| Compatible Equipment | CAT 318C, 319C, 320C, 320D, 321C, 323D, 324D, 325C, 328D, 329D |
| Compatible Engines | CAT 3066, 3126B, C6.4, C7 |
| Shaft | Splined, 13 Teeth |
| Mounting | Standard 4-Bolt SAE Flange |
| Rotation | Clockwise (CW) |
| Pressure Rating | Continuous: 21 MPa; Peak: 25 MPa |
| Displacement | 18-22 cc/rev |
| Working Fluid | ISO VG46 / VG68 Hydraulic Oil |
| Operating Temp | -20°C to +80°C |
| Port Type | Suction & Delivery: BSP Thread |
| OEM Compliance | 1:1 Direct Replacement, meets CAT factory standards |
| Net Weight | 6.0 kg |
| Gross Weight | 7.5 kg |
| Package Size | 20 × 15 × 15 cm |
| HS Code | 8413603190 |
| Warranty | 12 months |
| Certification | CE |
| Place of Origin | CHINA |
| Model Number | 188-9491 |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 50000 Piece / Years |
| Delivery Time | 5-8 working days | Packaging Details | Neutral Export Carton |
| Cross Reference | 1889491, CA1889491, 173-1203, 196-8428 | Product Name | Pilot Hydraulic Gear Pump |
| Type | External Fixed Displacement Gear Pump | Material | Housing: Aluminum Alloy; Gears: High-Precision Steel; Seals: NBR/PTFE Composite |
| Application | CAT Excavator Hydraulic Pilot System | Compatible Equipment | CAT 318C, 319C, 320C, 320D, 321C, 323D, 324D, 325C, 328D, 329D |
| Compatible Engines | CAT 3066, 3126B, C6.4, C7 | Shaft | Splined, 13 Teeth |
| Mounting | Standard 4-Bolt SAE Flange | Rotation | Clockwise (CW) |
| Pressure Rating | Continuous: 21 MPa; Peak: 25 MPa | Displacement | 18-22 cc/rev |
| Working Fluid | ISO VG46 / VG68 Hydraulic Oil | Operating Temp | -20°C to +80°C |
| Port Type | Suction & Delivery: BSP Thread | OEM Compliance | 1:1 Direct Replacement, meets CAT factory standards |
| Net Weight | 6.0 kg | Gross Weight | 7.5 kg |
| Package Size | 20 × 15 × 15 cm | HS Code | 8413603190 |
| Warranty | 12 months | Certification | CE |
| Place of Origin | CHINA | Model Number | 188-9491 |
The 188-9491 hydraulic gear pump is a direct replacement pilot/auxiliary pump for excavators. It delivers stable oil pressure to support smooth hydraulic system operation. Made of high-strength aluminum alloy housing and precision steel gears, it ensures low leakage and long service life. Compatible with CAT 320C, 320D, 318C, 325C models, this aftermarket pump meets OEM specifications for reliable performance under harsh construction conditions.
| Attribute | Specification |
|---|---|
| Part Number | 188-9491 |
| Cross Reference | 1889491, CA1889491, 173-1203, 196-8428 |
| Product Name | Pilot Hydraulic Gear Pump |
| Type | External Fixed Displacement Gear Pump |
| Material | Housing: Aluminum Alloy; Gears: High-Precision Steel; Seals: NBR/PTFE Composite |
| Application | CAT Excavator Hydraulic Pilot System |
| Compatible Equipment | CAT 318C, 319C, 320C, 320D, 321C, 323D, 324D, 325C, 328D, 329D |
| Compatible Engines | CAT 3066, 3126B, C6.4, C7 |
| Cross Part Number | Notes |
|---|---|
| 188-9491 | OEM Standard Part Number |
| 1889491 | Simplified Part Number (Aftermarket Listing) |
| CA1889491 | Standard Reference Number |
| 173-1203 | Direct Fit Pilot Pump for CAT 320C/321C |
| 194-6684 | Auxiliary Pump for CAT 320D/323D |
| 196-8424/196-8428 | Similar Pilot Pump for CAT 320 Series |
| 240-2998 | Equivalent Pilot Pump for CAT 320D |
| 188-9491-AFT | Aftermarket Replacement Version |
If you can find the number you need, please contact our sales manager to check and confirm it!
lSSUES YOU MAY BE CONCERNED ABOUT
HERE IS THE ANSWER!
Q1:How long is the warranted time?
A:For natural broken, 3 months. Guarantee genuine parts.
Q2: What's payment you can accept?
A:T/T, WECHAT,PAYPAL.
Q3: What's package? Can you give me the package according my requirement?
A:Yes, Original packing or Neutral packing with wooden box or carton.
Q4: How about the lead time?
A:(1) ln stock: 1-7 days.Always in 72 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory.We will let you know when we quote.
Q5: What's the shipping way you can offer?
A:(1) Big order: By sea or by air.(It can reduce the costs).
(2) Small order: DHL,TNT,UPS,FEDEX,EMS,ARAMEX.
Q6: What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
Q7: Do you accept small order?
A:Yes, small order can accept.
Q8: What's brand you can offer in your company?
A:(1)OEM,100% GENUINE PARTS, COPY(Made in China).
(2)GENUINE PARTS.
Thank you for attention!
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2015
Total Annual:
500000-1000000
Employee Number:
2~6
Ecer Certification：
Verified Supplier
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