Durco Mark III Replacement Wet-End Supply & Availability Review
Use the installed pump Group, size, requested component, material and quantity to determine the appropriate stock, production or engineering-review route. Availability is confirmed against the exact configuration—not assumed from the pump family alone.
What do you need supplied?
This separates a matched wet-end request from a single stocked MRO component or a complete replacement-pump project.
Convert configuration data into a meaningful supply route.
The review turns the available configuration data into a practical supply status: regular stock program, stock check, production review or engineering configuration review.
| Component | Typical Supply Route | What Must Be Verified | Status Meaning |
|---|---|---|---|
| Reverse-Vane Impeller | Regular stock / production review | Group, size, exact reference, trim, material | Selected configurations may qualify for emergency shipment after confirmation. |
| Rear Cover Plate | Stock check | Group, configuration, material, mating geometry | Confirm exact cover/seal-area configuration before release. |
| Shaft | Selected MRO stock | Group, exact shaft reference, interfaces, material | Recurring configurations may be stocked; exact reference controls release. |
| Hook Sleeve | Selected MRO stock | Group/frame context, material, reference | Selected CD4M / 316SS sleeves are part of the regular stock program. |
| Casing | Stock / production review | Size, nozzle configuration, metallurgy, cover interface | Supply route depends heavily on configuration and material. |
| Matched Wet End | Engineering configuration review | Full installed-pump identity and wet-end scope | Review assembly-level compatibility before quotation. |
Need the complete pump instead?
A complete Mark III replacement requires hydraulic, dimensional, driver, seal and documentation review beyond the wet-end supply scope.
Understand the available supply route before the quotation is released.
For confirmed stocked configurations, emergency shipment can be arranged in as little as 48 hours after part identity, material and quantity are verified.
Common impellers, covers, shafts and selected CD4M / 316SS sleeves are maintained for recurring demand.
Typical complete replacement-pump production lead time: 6–8 weeks, subject to pump configuration, metallurgy, testing and documentation requirements.
Send the configuration evidence that controls availability.
A clear part identity and delivery requirement lets the supply review move quickly without assuming that every Mark III component is universal.
When an OEM lead time becomes a maintenance risk.
For projects where the quoted OEM lead time is 16–26 weeks, a verified replacement route may offer a shorter procurement path for shutdown-critical applications. Technical fit and supply status are still confirmed before commercial release.
Availability follows configuration verification
The status indicates the likely supply route; current quantity is confirmed against the exact pump configuration, material and requested quantity.
Use the regular stock program where applicable
Selected recurring MRO components can be reviewed for 48-hour emergency shipment.
Use engineering review for assembly-level scope
Matched wet ends and complete pumps require broader technical evidence than a single component.
Move back to identification or fitment when needed.
Find a Part by POS
Identify the component and exact reference context first.
Open POS finder →Verify a Reverse-Vane Impeller
Check Group, size, POS 103, trim and reference.
Review impeller fitment →Compare 3196 & Mark III
Review platform architecture and replacement scope.
Compare architectures →