Gear Pump Replacement Parts Gear Pump Spare Parts For P51/31 Series Pump Aftermarket Pump Parts
Product Introduction
Our gear pump spare parts fit Parker P51/31 series gear pumps perfectly, serving as direct replacement components. The full range covers gear sets, seal kits, bearing plates, drive shafts and housing accessories etc. Made of high-strength wear-resistant alloy, they feature stable pressure resistance, low noise and long service life. Precision machining ensures seamless assembly without modification. Ideal for construction machinery, agricultural equipment and hydraulic systems. Strict dimensional inspection guarantees interchangeability with original pump parts, effectively lowering your equipment maintenance cost and downtime.
Product Summary
We supply full-series gear pump replacement spare parts for all mainstream hydraulic gear pumps. Our product range includes gear assemblies, seal kits, bearing plates, drive shafts, pump housings and wear plates. All parts are crafted from wear-resistant alloy via precision CNC machining, boasting strong pressure resistance, low friction and long service life. Strict dimensional testing ensures complete interchangeability with original parts. Widely applied in construction, agriculture and industrial hydraulic systems, our accessories cut maintenance costs and reduce equipment downtime effectively.
Product Parameters
| DRW.NO. |
DESCRIPTION |
RUNHE NO. |
GENERAL NO. |
| 1 |
SHAFT BRG. SNAP RING |
HB-3 |
391-2686-065 |
| 2a |
INPUT SHAFT BRG. |
HB-3 |
391-0381-077 |
| 2b |
SEAL RETAINER & SPACER IN PLACE OF SHAFT BRG. |
KNB-3 |
391-3383-087 |
| 3 |
SEAL RETAINER FOR MOTORS ONLY |
KNB-3 |
391-3383-020 |
| 4a |
PUMP LIP SEAL |
KB-3 |
391-2883-103 |
| 4b |
MOTOR LIP SEAL |
KB-3 |
391-2883-115 |
| 4c |
SEAL FOR CONTINENTAL SHAFT |
RB-3 |
391-2883-133 |
| 5a |
4 BOLT B MOUNT PUMP S.E.C. WITHOUT BUSHING TYPE 42 (4* or 101,6 mm pilot) |
RB-3 |
323-5033-201 |
| 5b |
4 BOLT B MOUNT PUMP S.E.C. WITH BUSHING TYPE 42 (4* or 101,6 mm pilot) |
NB-3 |
323-5133-201 |
| 5c |
2/4 BOLT B MOUNT PUMP S.E.C.WITHOUT BUSHING TYPE 46 (4" or 101,6 mm pilot) |
NB-3 |
323-5053-201 |
| 5d |
2/4 BOLT B MOUNT PUMP S.E.C. WITH BUSHING TYPE 46 (4* or 101,6 mm pilot) |
HB-3-M |
323-5153-201 |
| 5e |
4 BOLT C MOUNT PUMP S.E.C. WITHOUT BUSHING TYPE 78 (5" or 127 mm pilot) |
HB-3-M |
323-5033-202 |
| 5f |
4 BOLT C MOUNT PUMP S.E.C.WITH BUSHING TYPE 78 (5* or 127 mm pilot) |
KNB-3-M |
323-5133-202 |
| 5g |
2 BOLT B MOUNT PUMP S.E.C.WITHOUT BUSHING TYPE 97 (4" or 101,6 mm pilot) |
KNB-3-M |
323-5023-201 |
| 5h |
2 BOLT B MOUNT PUMP S.E.C. WITH BUSHING TYPE 97 (4* or 101,6 mm pilot) |
KB-3-M |
323-5123-201 |
| 51 |
2 BOLT C MOUNT PUMP S.E.C. WITHOUT BUSHING TYPE 98 (5*or 127 mm pilot) |
KB-3-M |
323-5023-202 |
| 5 |
DESCRIPTION |
RB-3-M |
323-5123-202 |
| 5k |
SHAFT BRG. SNAP RING |
RB-3-M |
323-5033-401 |
| 5L |
INPUT SHAFT BRG. |
NB-3-M |
323-5133-401 |
| 5m |
SEAL RETAINER & SPACER IN PLACE OF SHAFT BRG. |
NB-3-M |
323-5053-401 |
| 5n |
SEAL RETAINER FOR MOTORS ONLY |
RUNHE NO. |
323-5153-401 |
| 50 |
PUMP LIP SEAL |
HB-3 |
323-5033-402 |
| 5p |
MOTOR LIP SEAL |
HB-3 |
323-5133-402 |
| 5q |
SEAL FOR CONTINENTAL SHAFT |
KNB-3 |
323-5023-401 |
| 5r |
4 BOLT B MOUNT PUMP S.E.C. WITHOUT BUSHING TYPE 42 (4* or 101,6 mm pilot) |
KNB-3 |
323-5123-401 |
| 5s |
4 BOLT B MOUNT PUMP S.E.C. WITH BUSHING TYPE 42 (4* or 101,6 mm pilot) |
KB-3 |
323-5023-402 |
| 5t |
2/4 BOLT B MOUNT PUMP S.E.C.WITHOUT BUSHING TYPE 46 (4" or 101,6 mm pilot) |
KB-3 |
323-5123-402 |
FAQ
1,Are gear pump parts fully interchangeable?
Yes. Our gear pump spare parts are 100% compatible and interchangeable with Parker original.
2,What spare parts can you provide?
Gear sets, seal kits, shafts, pump housings, complete repair kits for all series gear pumps.
3,How about your after-sales service?
Provide free replacements for defective parts caused by product quality issues.
4,How soon can it be shipped?
In stock; ships in approximately 3–5 business days.
5,Can I order samples for testing first?
Sample orders are supported.
Our Company
Hebei Runhe Hydraulic Machinery Co., Ltd. is a leading manufacturer specializing in hydraulic system solutions. We are also one of the most recognized suppliers of large OEM equipment manufacturers in Hydraulic Gear Pump Sapre Parts. With more than 12 years of industry experience.
Our products include hydraulic cylinder, hydraulic pump, hydraulic motor, widely used in automation equipment, agricultural machinery, lifting machinery, engineering vehicles, printing machinery, intelligent storage system, port ships and many other industries.In addition to the standard series of hydraulic cylinders, we can also provide customized production services according to customer drawings. Our non-standard customization capabilities meet the special needs of customers, such as special port forms, special materials, special installation, special performance, stacked hydraulic valves, etc.
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