Pentair Sta-Rite Max-E-Pro & IntelliPro Pump Seal Plate | C103-194PZ
The Pentair C103-194PZ Seal Plate is a genuine OEM replacement component designed for compatible Sta-Rite Max-E-Pro and IntelliPro swimming pool pumps. This replacement seal plate fits between the pump motor and wet-end housing, supporting the mechanical shaft seal and helping maintain proper alignment of the pump's internal components.
Manufactured to Pentair's original equipment specifications, the C103-194PZ provides a replacement for cracked, damaged, or deteriorated original seal plates. Its durable molded construction is designed for the operating conditions of compatible residential and commercial swimming pool pump systems.
Product Features
- Genuine Pentair OEM: Original manufacturer replacement seal plate.
- Max-E-Pro Compatibility: Designed for compatible Sta-Rite Max-E-Pro 5P6R swimming pool pumps.
- IntelliPro Compatibility: Fits specified Sta-Rite IntelliPro variable-speed pump configurations.
- Mechanical Shaft Seal Support: Provides the mounting surface for the compatible pump shaft seal.
- Wet-End Assembly Component: Helps maintain proper positioning between the motor and pump housing.
- Direct Replacement: Replaces Pentair part number C103-194P.
- Durable Construction: Molded material designed for swimming pool pump applications.
- Individual Replacement Part: Allows replacement of the seal plate without purchasing a complete pump assembly.
Product Specifications
- Manufacturer: Pentair
- Brand: Pentair / Sta-Rite
- Manufacturer Part Number: C103-194PZ
- Previous Part Number: C103-194P
- Distributor Part Number: STA-101-1265
- Product Type: Swimming Pool Pump Seal Plate
- Compatible Pump Series: Sta-Rite Max-E-Pro and IntelliPro
- Primary Application: Pump Wet-End and Mechanical Shaft Seal Assembly
- Parts Diagram Reference: Item #11 on applicable IntelliPro diagrams
- Approximate Product Weight: 2.5 lb
- Distributor Shipping Dimensions: 10.25" x 10" x 2.75"
- UPC: 788379733339
- Package Quantity: 1 Seal Plate
Compatible Pentair and Sta-Rite Pool Pumps
- Sta-Rite Max-E-Pro 5P6R Pool Pumps
- Sta-Rite IntelliPro Variable-Speed Pumps
- Sta-Rite IntelliPro VS Pumps
- Compatible IntelliPro 2 VST Pump Configurations
- Compatible IntelliPro VSF Pump Configurations
- Select MG II and DG II Pump Configurations
- Other Pentair Pump Assemblies Specifically Requiring C103-194P or C103-194PZ
Compatibility Notice: Pentair manufactures several different seal plate configurations. Verify the pump model, manufacturing date, and original seal plate part number before ordering. Not every Max-E-Pro or IntelliPro pump uses the same seal plate.
What Does a Pool Pump Seal Plate Do?
The seal plate is an essential part of the swimming pool pump's wet-end assembly. Located between the motor and pump housing, it provides structural support for the mechanical shaft seal and helps maintain proper alignment of the rotating pump components.
The mechanical shaft seal passes through the seal plate and helps prevent pool water from leaking along the motor shaft.
A damaged seal plate may compromise the mechanical seal installation, resulting in water leakage or improper pump operation.
When to Replace Your Pump Seal Plate
Replacement may be necessary when the existing seal plate becomes cracked, warped, or physically damaged.
- Visible cracks in the seal plate housing
- Water leaks traced to damaged seal plate surfaces
- Damage around the mechanical shaft seal mounting area
- Warped or distorted seal plate
- Broken mounting points or damaged fastener locations
- Physical damage discovered during motor or pump rebuilding
- Deteriorated sealing surfaces that prevent proper assembly
Troubleshooting: Water leaking between the motor and pump housing may also be caused by a failed mechanical shaft seal or seal plate O-ring. Inspect these components before determining which replacement parts are needed.
Related Pentair Max-E-Pro & IntelliPro Pump Parts
Complete your pump repair with these related genuine Pentair replacement components available from Aqua Pool Supply.
- Pentair 17351-0101S – Mechanical Pump Shaft Seal – Genuine replacement shaft seal used in compatible Pentair and Sta-Rite pump assemblies. Verify the exact pump model before ordering.
- Pool Pump Mechanical Seals & Seal Kits – Browse additional mechanical shaft seals, seal kits, and pump repair components.
Pentair IntelliPro Pump Parts Diagrams
Use Aqua Pool Supply's illustrated parts diagrams to identify the correct replacement components for your pump.
- Pentair IntelliPro VS Pump Parts Diagram – Before 2019 – Find compatible seal plates, mechanical shaft seals, impellers, diffusers, O-rings, and other pump components.
- Pentair IntelliPro VSF / 2 VST / VS Pump Parts Diagram – After 2018 – Identify replacement parts for compatible newer-generation IntelliPro pumps.
- Pentair Sta-Rite Max-E-Pro Pump Parts Diagram – Browse replacement components for compatible Max-E-Pro swimming pool pumps.
Installation Instructions
- Disconnect electrical power to the swimming pool pump and prevent automatic restart.
- Close applicable isolation valves and completely relieve system pressure.
- Drain the pump and disassemble the wet end according to Pentair's service instructions.
- Remove the existing seal plate and inspect it for cracks, warping, or other damage.
- Inspect the mechanical shaft seal, seal plate O-ring, impeller, and connecting hardware.
- Verify that Pentair C103-194PZ matches the original seal plate configuration.
- Install the appropriate mechanical shaft seal according to the manufacturer's procedure.
- Position the replacement seal plate correctly and secure it using the specified hardware.
- Reassemble the pump wet end, ensuring all seals and O-rings are properly installed.
- Prime the pump and restore operation according to the manufacturer's instructions.
- Inspect the pump for leaks, unusual noises, or abnormal operation.
Installation and Maintenance Recommendations
When replacing a pool pump seal plate, inspect the mechanical shaft seal and associated O-rings. A worn or damaged shaft seal can allow water to leak along the motor shaft even when the seal plate itself is in good condition.
Use only compatible replacement components and follow Pentair's installation instructions. Avoid damaging the mechanical seal faces during assembly.
Inspect the impeller, diffuser, and wet-end housing for additional damage before completing the repair.
Package Contents
Includes: One (1) Genuine Pentair C103-194PZ Replacement Pump Seal Plate.
Important: This listing includes the seal plate only. The mechanical shaft seal, seal plate O-ring, impeller, diffuser, motor, and other components are sold separately unless specifically included in the manufacturer's packaging.
Compatibility: Designed for compatible Sta-Rite Max-E-Pro 5P6R, IntelliPro, and specified MG II/DG II pump configurations. Verify the original seal plate part number before purchasing.
Safety: Never service a swimming pool pump while energized or pressurized. Disconnect power, relieve system pressure, and follow Pentair's installation and maintenance instructions.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.



