Product Introduction
This comprehensive collection features OEM-equivalent replacement parts for the DE-CP Premium 250 pump, spanning two core assemblies: the power end (shafts, bearings, housings, seals, and fasteners) and the fluid end (impellers, casings, wear plates, gaskets, and stuffing box components). Covering high-wear consumables (packing, O-rings, gaskets) and structural core components (shafts, impellers, bearing housings), each part is designed for direct, modification-free installation across all DE-CP Premium 250 pump frame sizes, ensuring flawless compatibility with original pump housings and rotating assemblies.
Functional Description
- Rotational Power Transfer: Precision-ground shafts and shaft-bearing assemblies deliver stable torque transmission, supporting the pump’s rated hydraulic output and reducing rotational vibration for smooth, efficient operation
- Fluid Flow & Pressure Generation: Size-matched impellers (8.00”–14.00” diameter) create targeted flow and pressure for each Premium 250 pump frame, optimizing hydraulic efficiency and reducing energy consumption
- Leakage Prevention & Contamination Control: Graphite/teflon packing, mechanical seals, O-rings, and labyrinth seals block fluid leaks at the stuffing box and bearing housings, while exclusion seals keep process fluids and debris out of critical bearing components
- Wear Resistance & Component Protection: Ceramic/stainless steel shaft sleeves and casing wear plates shield critical components from abrasion, extending service life and reducing replacement frequency
- Assembly & Alignment Support: Precision fasteners, lock nuts, and adjusting hardware ensure proper bearing preload, housing alignment, and secure component mounting for long-term reliability
Structural Features
- Precision Machining: Shafts, impellers, and bearing housings feature micron-level dimensional accuracy, ensuring tight radial clearances (0.002”–0.005” typical tolerance) and perfect shaft alignment
- High-Performance Materials: Impellers use durable cast iron for hydraulic stability; shaft sleeves offer ceramic or stainless steel abrasion resistance; bearings utilize high-grade steel for heavy radial/axial load capacity; seals employ oil-resistant, temperature-stable elastomers and graphite/teflon composites
- Modular Kit Design: Pre-assembled seal kits, gasket kits, and bearing lock nut kits simplify installation, cutting repair labor time by up to 50% compared to individual loose parts
- Standardized Mounting: All parts follow OEM bolt patterns, flange dimensions, and shaft interfaces, compatible with all DE-CP Premium 250 pump frame sizes and configurations
Applicable Operating Conditions
These DE-CP Premium 250 pump parts are engineered for reliable performance across a broad range of industrial fluid handling scenarios, with these key operating parameters:
- Pump Frame Compatibility: 3×2, 4×3, 5×4, 6×5, 8×6 DE-CP Premium 250 pumps
- Fluid Types: Clean water, process water, mild industrial liquids, and non-abrasive chemical solutions
- Temperature Range: -20°F to 250°F (-29°C to 121°C) for standard sealing and bearing components
- Application Settings: Water treatment plants, industrial process facilities, manufacturing operations, municipal pumping stations, and commercial fluid transfer systems
Preventive Maintenance Recommendations
- Scheduled Inspection Intervals: Inspect packing, seals, and fasteners every 1,000 operating hours; check bearing noise, shaft sleeve wear, and impeller condition every 2,500 hours
- Recommended Replacement Cycles: Replace packing, O-rings, and gaskets every 4,000 hours; swap bearings and shaft sleeves every 8,000 hours; replace eroded impellers or wear plates when efficiency drops by 5% or more
- Lubrication Protocols: Regrease bearings every 1,000 hours with high-temperature industrial grease (NLGI #2 grade); maintain proper oil levels for oil-lubricated bearings to prevent overheating and premature failure
- Troubleshooting Best Practices: Diagnose fluid leaks by inspecting packing/seals and shaft sleeve condition; resolve vibration issues by checking bearing wear and shaft alignment; address low flow/pressure by inspecting impeller erosion and wear plate clearance
- Inventory Management: Stock high-wear consumables (packing, seals, gaskets) and critical rotating parts (shaft sleeves, impellers) on-site to minimize emergency repair delays and downtime
We supply the following spare parts:
| Item No. | Part No. | Description |
| 1 | G0006001 | Pedestal |
| 2 | G0006002 | Shaft |
| 2A | G0006055 | Shaft and Bearing Assembly (Incl. 2, 3, 5, 8, 24, 28, 35, 40, & 41) |
| 3 | G0006003 | Outboard Bearing Housing |
| 4 | G0006004 | Packing Gland |
| 5 | G0006005 | Inboard Bearing |
| 6 | G0006006 | Slinger Ring, Water (Optional) |
| 7 | G0006007 | Inboard Bearing Cover |
| 8 | G0006008 | Outboard Bearing |
| 9 | G0006009 | Outboard Bearing Cover |
| 10 | G0006010 | Graphite Packing |
| – | G0006011 | King Packing |
| – | G0006012 | Teflon Packing |
| – | G0006013 | Mechanical Seal |
| 11 | G0006014 | Gland Bolt Assembly |
| 12 | G0006015 | Shaft Sleeve, Ceramic |
| – | G0006311 | Shaft Sleeve, Stainless Steel |
| 13 | G0006016 | Stuffing Box F/Packing |
| – | G0006017 | Stuffing Box F/Mech Seal |
| 14 | G0006184 | Impeller, 3x2x13.00 |
| – | G0006183 | Impeller, 3x2x12.50 |
| – | G0006182 | Impeller, 3x2x12.00 |
| – | G0006181 | Impeller, 3x2x11.50 |
| – | G0006180 | Impeller, 3x2x11.00 |
| – | G0006179 | Impeller, 3x2x10.50 |
| – | G0006178 | Impeller, 3x2x10.00 |
| – | G0006177 | Impeller, 3x2x9.50 |
| – | G0006176 | Impeller, 3x2x9.00 |
| – | G0006175 | Impeller, 3x2x8.50 |
| – | G0006018 | Impeller, 3x2x8.00 |
| – | G0006194 | Impeller, 4x3x13.00 |
| – | G0006193 | Impeller, 4x3x12.50 |
| – | G0006192 | Impeller, 4x3x12.00 |
| – | G0006191 | Impeller, 4x3x11.50 |
| Item No. | Part No. | Description |
| – | G0006190 | Impeller, 4x3x11.00 |
| – | G0006189 | Impeller, 4x3x10.50 |
| – | G0006188 | Impeller, 4x3x10.00 |
| – | G0006187 | Impeller, 4x3x9.50 |
| – | G0006186 | Impeller, 4x3x9.00 |
| – | G0006185 | Impeller, 4x3x8.50 |
| – | G0006019 | Impeller, 4x3x8.00 |
| – | G0006204 | Impeller, 5x4x14.00 |
| – | G0006203 | Impeller, 5x4x13.50 |
| – | G0006202 | Impeller, 5x4x13.00 |
| – | G0006201 | Impeller, 5x4x12.50 |
| – | G0006200 | Impeller, 5x4x12.00 |
| – | G0006199 | Impeller, 5x4x11.50 |
| – | G0006198 | Impeller, 5x4x11.00 |
| – | G0006197 | Impeller, 5x4x10.50 |
| – | G0006196 | Impeller, 5x4x10.00 |
| – | G0006195 | Impeller, 5x4x9.50 |
| – | G0006020 | Impeller, 5x4x9.00 |
| – | G0006168 | Impeller, 6x5x11.00 and 8x6x11.00 |
| – | G0006167 | Impeller, 6x5x10.50 and 8x6x10.50 |
| – | G0006166 | Impeller, 6x5x10.00 and 8x6x10.00 |
| – | G0006165 | Impeller, 6x5x9.50 and 8x6x9.50 |
| – | G0006164 | Impeller, 6x5x9.00 and 8x6x9.00 |
| – | G0006163 | Impeller, 6x5x8.50 and 8x6x8.50 |
| – | G0006021 | Impeller, 6x5x8.00 and 8x6x8.00 |
| – | G0006214 | Impeller, 6x5x14.00 |
| – | G0006213 | Impeller, 6x5x13.50 |
| – | G0006212 | Impeller, 6x5x13.00 |
| – | G0006211 | Impeller, 6x5x12.50 |
| – | G0006210 | Impeller, 6x5x12.00 |
| – | G0006209 | Impeller, 6x5x11.50 |
| – | G0006224 | Impeller, 8x6x14.00 |
| – | G0006223 | Impeller, 8x6x13.50 |
| – | G0006222 | Impeller, 8x6x13.00 |
| Item No. | Part No. | Description |
| – | G0006221 | Impeller, 8x6x12.50 |
| – | G0006220 | Impeller, 8x6x12.00 |
| – | G0006219 | Impeller, 8x6x11.50 |
| – | G0006218 | Impeller, 8x6x11.00 |
| – | G0006217 | Impeller, 8x6x10.50 |
| – | G0006216 | Impeller, 8x6x10.00 |
| 15 | G0006025 | Housing Assembly, 3x2x13 |
| – | G0006026 | Housing Assembly, 4x3x13 |
| – | G0006027 | Housing Assembly, 5x4x14 |
| – | G0006028 | Housing Assembly, 6x5x11 |
| – | G0006029 | Housing Assembly, 6x5x14 |
| – | G0006030 | Housing Assembly, 8x6x11 |
| – | G0006031 | Housing Assembly, 8x6x14 |
| 16 | G0006032 | Housing Stud With Nut |
| 16A | G0006309 | Housing Stud |
| 16B | G0006310 | Housing Nut |
| 17A | G0006033 | Fluid End Gasket Kit (Incl. 17, 18, & 19) |
| 17 | G0006034 | Housing Gasket |
| 18 | G0006035 | Impeller Seal, O-Ring |
| 19 | G0006036 | Shaft Sleeve Seal, O-Ring |
| 20A | G0006037 | Oil Seal Kit (Incl. 20, 21, & 22) |
| 20 | G0006038 | Inboard Bearing Oil Seal (Optional) |
| 21 | G0006039 | Inboard Exclusion Seal (Optional) |
| 22 | G0006040 | Outboard Bearing Oil Seal (Optional) |
| 23A | G0006041 | Power End Gasket Kit (Incl. 23, 24, & 25) |
| 23 | G0006042 | Inboard Bearing Cover Gasket |
| 24 | G0006043 | Outboard Bearing Housing Seal, O-Ring |
| 25 | G0006044 | Outboard Bearing Cover Seal, O-Ring |
| 26 | G0006045 | Bearing Lock Nut Kit (Incl.26A & 26B) |
| 26A | G0006280 | Bearing Lockwasher |
| 26B | G0006281 | Bearing Lock Nut |
| 27 | G0006279 | Outboard Bearing Cover Bolt |
| 28 | G0006106 | Bearing Housing Bolt |
| 29 | G0006282 | Inboard Bearing Cover Bolt |
| Item No. | Part No. | Description |
| 30 | G0006284 | Bearing Cover Plug |
| 30A | G0006315 | Grease Fitting, Zerk, 1/16” NPT |
| 31 | G0006106 | Stuffing Box Bolt |
| 32 | G0006278 | Oil Plug |
| 33 | G0006315 | Grease Fitting, Zerk |
| 34** | G0006278 | Plug, Grease Lubed Pump, 1/4” NPT |
| 34A* | G0006160 | Breather Plug |
| 35 | G0006283 | Coupling Key |
| 36 | G0006047 | Casing Wear Plate, 4x3x13 |
| – | G0006048 | Casing Wear Plate, 5x4x14 |
| – | G0006049 | Casing Wear Plate, 6x5x11 |
| – | G0006050 | Casing Wear Plate, 6x5x14 |
| – | G0006051 | Casing Wear Plate, 8x6x11 |
| – | G0006052 | Casing Wear Plate, 8x6x14 |
| 37 | G0006158 | Outboard Labyrinth Seal (Standard) |
| 38 | G0006159 | Inboard Labyrinth Seal (Standard) |
| 39** | G0006277 | Rubber Plug |
| 39A* | G0006314 | Oil Dip Stick, Push In |
| 39B* | G0006156 | Oil Dip Stick, Threaded |
| 40 | G0006282 | Outboard Bearing Housing Adjusting Bolt |
| 41 | G0006316 | Outboard Bearing Housing Adjusting Nut |
Field Fault Repair Cases
Case 1: Premium 250 Pump Stuffing Box Leakage
A 4×3×13 DE-CP Premium 250 pump developed severe process fluid leakage at the stuffing box, caused by worn graphite packing (G0006010) and a scored ceramic shaft sleeve (G0006015). The leak led to fluid loss and increased bearing contamination risk. Replacing the graphite packing, installing a new ceramic shaft sleeve, and retorquing the packing gland eliminated leaks and restored proper sealing, with the pump returning to full operation in 2 hours.
Case 2: Outboard Bearing Overheating & Vibration
A 6×5×11 Premium 250 pump exhibited excessive vibration and high outboard bearing temperatures, traced to a failed outboard bearing (G0006008) and damaged labyrinth seal (G0006158). The worn bearing caused shaft misalignment and accelerated wear. Installing a new bearing, replacing the labyrinth seal, and adjusting bearing preload with the adjusting nut resolved overheating and vibration issues.
Case 3: Reduced Pump Flow from Eroded Impeller
A 5×4×14 Premium 250 pump showed a 15% drop in flow rate and pressure, caused by abrasive erosion on the 5×4×14.00 impeller (G0006204). The damaged impeller reduced hydraulic efficiency and disrupted process flow. Installing a new OEM-spec impeller and matching casing wear plate restored full flow and pressure performance, with no further efficiency loss.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Will these parts fit all DE-CP Premium 250 pump sizes? | Yes, this parts list covers all standard frame sizes (3×2, 4×3, 5×4, 6×5, 8×6) and impeller diameters for the DE-CP Premium 250 pump, with size-specific components clearly labeled for exact matching. |
| What’s the difference between ceramic and stainless steel shaft sleeves? | Ceramic shaft sleeves (G0006015) offer superior abrasion resistance for abrasive fluids, while stainless steel sleeves (G0006311) work best for corrosive, non-abrasive process liquids — both fit the same Premium 250 pump shaft dimensions. |
| Are the seal kits compatible with both oil and grease lubricated pumps? | Yes, the oil seal kits and labyrinth seals included are designed to work with both oil-lubricated and grease-lubricated DE-CP Premium 250 pump configurations, with optional exclusion seals for extra contamination protection. |
Procurement Guidance & Closing Call to Action
For facilities relying on the DE-CP Premium 250 pump for critical fluid handling operations, these OEM-equivalent replacement parts are the definitive procurement choice to protect equipment reliability, minimize costly downtime, and maintain consistent hydraulic performance. Backed by strict quality testing and compliance with global industrial pump standards, each component eliminates the risks of subpar aftermarket parts, extends pump service life, and reduces long-term maintenance expenses.
Use this catalog as your trusted single-source reference for accurate part selection, whether building preventive maintenance inventory, replacing worn components, or completing a full pump overhaul. By choosing these precision-engineered Premium 250 pump parts, you secure durable, performance-matched components that align with OEM specifications, safeguard your pump investment, and keep your fluid handling processes running smoothly. Secure the exact DE-CP Premium 250 pump parts your system needs to maintain uninterrupted operation and uphold strict operational efficiency standards.
