Pentair Sta-Rite D Series Commercial Pump 3 HP DMH3-171 Parts & Diagram
Replacement parts and exploded parts diagram for the Pentair Sta-Rite D Series Commercial Pump 3 HP (model DMH3-171). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.
Parts marked Alternate are compatible replacements from other manufacturers.
Other Parts on This Diagram
These parts are not listed for online purchase. Contact us with the diagram number and part number to order.
- #1 – C218-177 – 3HP 230V 182JM ODP Keyed Motor
- #1 – C218-180 – 5HP 230V 182JM ODP Keyed Motor
- #1 – C218-182 – 5HP 230/460V 3PH 182JM ODP Keyed Motor
- #2 – U9-265 – CC/C Shaft Oring
- #2A – C23-58 – D & Cc/C-series 3HP Shaft Sleeve
- #3 – U65-42A – 1.5" LG CC/C Square KEY
- #7 – C20-46 – D-Series Adapter Gasket
- #8 – U43-12ZP – 8/SET 3/8" CC/C Lockwasher
- #11 – C20-101 – 29/32"IDx1" CC/C Seal Gasket
- #12 – C5-248 – D-Series HH 3HP Pump Impeller (Change effective 6/97. )
- #13 – J23-5 – D-Series 3HP Pump Wear Ring
- #13 – J23-5 – USE STA-101-2890 Wear Ring
- #13 – C23-14 – 5HP D-Series MH Wear Ring
- #14 – C20-100 – 27/32"x1" CC/C Gasket
- #15 – C43-45SS – 13/32"x1" CC/C Impeller Washer
- #16 – C43-46 – 600-100 CC/C Stat-O-Seal Washer
- #17 – U30-72SS – 3/8"-16x.75" CC/C SS HEX Head Cap Screw
- #18 – C101-126 – 3HP Sta-Rite D-Ser MH Volute Diffuser W/ Wear Ring
- #18 – C101-126B – D Series 5HP MH Volute Diffuser W/ Wear Ring
- #18 – C101-132 – 5HP Sta-Rite D-Ser Volute Diffuser W/ Wear Ring
- #19 – C21-2 – D-Series Diffuser Oring
- #20 – C76-12 – PMP BDY 2" NPT
- #20 – C76-12B – PMP BDY 1.5" NPT
- #21 – U78-941ZPV – .25"NPT HEX Head Pipe Plug
- #22 – U30-60ZP – 5/16 -18x.75 HEX Capscrew
- NOT SHOWN – U212-68T – .25" MPT D Series Draincock
Please confirm your model number matches your existing equipment before ordering.
GTIN:
SKU: DIAGRAM-DMH3-171
Brand: Pentair
Price range
$645.65 - $867.69
Tax and shipping are calculated at checkout.

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Key Features
- Exploded parts diagram for the Pentair Sta-Rite D Series Commercial Pump 3 HP (model DMH3-171)
- 2 replacement parts available to order online
- Diagram number shown next to every part for easy matching
- Genuine Pentair replacement parts
- Add multiple parts to your cart at once