Waterway Pump Seal 319-3090B
$33.77
Pump Seal, 5/8″ Shaft, Waterway Supreme
| Manufacturer part number | 319-3090B |
| UPC (GTIN) | 806105561947 |
| Returns | 30-day returns – see our returns policy |
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Waterway Supreme Pump Seal 319-3090B
Product Overview
We supply the Waterway Supreme Pump Seal 319-3090B, a precision-engineered sealing component designed for 5/8″ pump shafts. This professional-grade seal combines premium materials for optimal performance and longevity.
Key Features
- 5/8″ shaft compatibility
- Silicon carbide seal faces
- Viton bellows construction
- 316 Stainless Steel casing
- Professional-grade design
- Supreme series specification
- Chemical-resistant materials
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 319-3090B |
| Shaft Size | 5/8″ |
| Seal Face Material | Silicon Carbide |
| Bellows Material | Viton |
| Casing Material | 316 Stainless Steel |
| Type | Standard |
| Series | Supreme |
Exploded parts diagram: This part is shown on the Waterway HiFlo & HiFlo II Series Pump Replacement Parts exploded parts diagram.
🔧 Waterway HiFlo & HiFlo II Series Pump Replacement Parts – exploded parts diagram
The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Impeller, Waterway E-Series/Hi-Flo II, 0.5 Horsepower |
| – | Impeller, Waterway E-Series/Hi-Flo II, 0.75 Horsepower |
| – | Impeller, Waterway E-Series/Hi-Flo II, 1.0 Horsepower (Red) |
| – | Impeller, Waterway E-Series/Hi-Flo II, 1.5 HP (Yellow) |
| – | Impeller, Waterway E-Series/Hi-Flo II, 2.0 Horsepower(White) |
| – | Faceplate, Waterway Hi-Flo II, 2"mbt |
| – | Shaft Seal, WW Supreme/Hi-Flo II, Viton ◀ this part |
| – | Drain Plug, Waterway EX2/Hi-Flo II |
| – | Tool, Klorkinator, Lid/Cover Removal Tool |
| 23b | 34-270-W003K23B |
| 23a | 34-270-W003K23A |
| 22b | 34-270-W003K22B |
| 22a | 34-270-W003K22A |
| 21 | 34-270-W003K21 |
| 20 | 34-270-W003K20 |
| 19 | Water Slinger, Waterway Hi-Flo/Mustang/Executive |
| 18 | 34-270-W003K18 |
| 17 | 34-270-W003K17 |
| 16 | 34-270-W003K16 |
| 15 | Wear Ring, Waterway HiFlo |
| 14 | O-Ring, 5-3/4" ID, 1/8" Cross Section, Generic,O-108 |
| 13 | 34-270-W003K13 |
| 12 | Screw, WW E-Series/Hi-Flo/Viper/Workman/EX2, 8-32 x 5/8" |
| 11 | Split Nut, 2", Pump Union blk |
| 10 | 34-270-W003K10 |
| 9 | 34-270-W003K9 |
| 8 | Gasket, Waterway, 2" Union, Flat |
| 7b | 34-270-W003K7B |
| 7a | 35-270-2080 |
| 6 | Basket, Pump, OEM Waterway 6" Trap |
| 5 | O-Ring, Buna-N, 5-7/8" ID, 1/4" Cross Section, Generic |
| 4b | Trap Lid, Waterway Hi-Flo/Mustang/Workhorse/Workman |
| 4a | Trap Lid, Waterway, Easy Lock |
| 3 | Trap Lid, Waterway Hi-Flo |
| 2 | Clamp Ring, Waterway HiFlo, Trap Lid |
| 1b | 34-270-W003K1B |
| 1a | 34-270-W003K1A |
Engineering Excellence
The pump seal demonstrates quality through:
- Advanced materials selection
- Precision manufacturing
- Superior seal faces
- Chemical resistance
- Temperature stability
- Professional design
- Enhanced durability
Performance Benefits
This seal delivers:
- Reliable shaft sealing
- Extended service life
- Chemical compatibility
- Temperature resistance
- Consistent performance
- Professional reliability
- Enhanced protection
Design Features
Engineered for:
- Perfect shaft fit
- Optimal sealing
- Long service life
- Chemical resistance
- Temperature stability
- Easy installation
- Reliable operation
Material Benefits
- Silicon Carbide: Superior wear resistance
- Viton Bellows: Chemical compatibility
- 316SS Casing: Corrosion resistance
- Premium materials throughout
- Enhanced durability
- Professional grade
- Extended longevity
Heritage & Quality
Since 1973, Waterway has maintained leadership in spa component manufacturing. This Supreme pump seal represents their commitment to quality through advanced materials and precise engineering.
🔧 Exploded diagram and parts
This part belongs to the Waterway HiFlo & HiFlo II Series Pump Replacement Parts assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Impellers
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Waterway E-Series Impeller 310-8000 | 310-8000 | 13 in stock | $21.74 | Add to cart |
 |
Waterway E-Series Impeller 310-8010 | 310-8010 | 10 in stock | $42.02 | Add to cart |
 |
Waterway E-Series Impeller 310-8020 | 310-8020 | 38 in stock | $32.73 | Add to cart |
 |
Waterway E-Series Impeller 310-8030 | 310-8030 | 14 in stock | $47.24 | Add to cart |
 |
Faceplate, Waterway Hi-Flo II, 2"mbt | 311-2170 | 4 in stock | $46.42 | Add to cart |
 |
Waterway EX2 Drain Plug 715-4020 | 715-4020 | 36 in stock | $3.62 | Add to cart |
Complete tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Tool, Klorkinator, Lid/Cover Removal Tool | KW-212 | 7 in stock | $106.95 | Add to cart |
Wet Ends
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 21 |  |
Side Discharge Spa Wet End 3/4Hp Impeller | 310-1120SD | 310-1120SD | 2 in stock | $104.85 | Add to cart |
Show the other 4 wet ends we stock
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 21 |  |
Waterway Hi-Flo Wet End 310-1160SD | 310-1160SD | 10 in stock | $121.63 | Add to cart |
| 21 |  |
Waterway Hi-Flo Wet End 310-1141SD | 310-1141SD | 2 in stock | $121.63 | Add to cart |
| 21 |  |
Waterway Hi-Flo Wet End 310-1140SD | 310-1140SD | 24 in stock | $96.89 | Add to cart |
| 21 |  |
Waterway Hi-Flo Wet End 310-1130SD | 310-1130SD | 11 in stock | $105.19 | Add to cart |
Applications
Ideal for:
- Supreme series pumps
- Professional installations
- Regular maintenance
- System servicing
- Preventative replacement
- Performance optimization
- Seal restoration
Alternate Part Numbers
- 1-05-0109A
| Brand | Waterway |
|---|