Jacuzzi Multi-Series Pump Housing O-Ring | Part #6500-545
Product Overview
A versatile pump housing O-ring designed for multiple Jacuzzi pump series including Piranha, Theramax, and Theraflo models. This precision sealing component ensures reliable water containment across various pump configurations.
Key Features
- Multi-series compatibility
- Premium sealing compound
- Exact dimensional specs
- Chemical-resistant material
- Professional-grade durability
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 6500-545 |
| Inside Diameter | 6-1/4″ |
| Outside Diameter | 6-3/4″ |
| Series Compatibility | Piranha/Theramax/Theraflo |
| Material | Chemical-resistant elastomer |
| Type | Standard |
| Brand Match | Jacuzzi/Sundance |
| Application | Pump Housing |
Exploded parts diagrams: This part is shown as item #7 on the Bracketless 56 Frame 60Hz, J-LX, J-LXL, J-400, J-300; item #10 on the Fixed Bracket 48 Frame 60Hz, J-300, J-200 exploded parts diagrams.
🔧 Bracketless 56 Frame 60Hz, J-LX, J-LXL, J-400, J-300 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Impeller,Jacuzzi Bracketless 56fr/Fixed Bracket 48fr, 2.5hp |
| 12 | O-Ring, 1/2" ID, 3/32" Cross Section, Generic |
| 11 | Barb Adapter, Valterra 3/8" Barb x 1/4" Male Pipe Thread |
| 10 | Seal Plate, Bracketless 56 Frame |
| 9 | 34-105-W033K9 |
| 7 | O-Ring, Jacuzzi Bracketless 56fr/Fixed Bracket 48fr, Volute ◀ this part |
| 6 | Volute, Jacuzzi/Sundance J-LX/J-300 |
| 5 | Screw, Jacuzzi, 10-12 x 1" |
| 4 | 34-105-W033K4 |
| 3 | O-Ring, 2-9/16" ID, 3/32" Cross Section, Generic |
| 2 | Pump Union, 2" Female Buttress Thread x 2" Spigot, 45 degree |
| 1 | Pump Union, 2" Female Buttress Thread x 2" Slip |
🔧 Exploded diagram and parts
This part belongs to the Bracketless 56 Frame 60Hz, J-LX, J-LXL, J-400, J-300 assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | |
|---|---|---|---|---|
| 1 | ![]() |
Magic Plastics Union 0602-20 (2" Pump Union) | 0602-20 | 414 in stock |
| 2 | ![]() |
Waterway Union 400-4300 | 400-4300 | 78 in stock |
| 3 | ![]() |
O-Ring, 2-9/16" ID, 3/32" Cross Section, Generic | AS-208H | 51 in stock |
| 4 | ![]() |
Drain Plug, Carvin, with O-Ring, Quantity 2 | 31-1609-06R2 | 15 in stock |
| 4 | ![]() |
Drain Plug, Carvin, with O-Ring, Quantity 50 | 31160906R50 | 12 in stock |
| 6 | ![]() |
Sundance Jacuzzi Piranha Theramax Theraflo Pump Housing 6500-546 | 6500-546 | 12 in stock |
| 11 | ![]() |
Valterra Adapter RF850 | RF850 | 361 in stock |
Complete impellers
| Part | Our part number | Availability | |
|---|---|---|---|
![]() |
Sundance Jacuzzi Piranha Theramax Theraflo Impeller 6500-549 | 6500-549 | 19 in stock |
Parts that go with this
| Part | Our part number | Availability | |
|---|---|---|---|
![]() |
Tool, Pool Tool, O-Ring Pick | 134 | 18 in stock |
![]() |
Silicone Based Lubricant 1oz 00150 | 00150 | 343 in stock |
Applications
Specifically designed for:
- Piranha pump housings
- Theramax assemblies
- Theraflo configurations
- Critical seal points
- Professional installations
Performance Features
- Superior sealing capability
- Chemical resistance
- Temperature stability
- Compression memory
- Extended service life
Installation Guidelines
- Clean mating surfaces
- Inspect groove condition
- Use appropriate lubricant
- Ensure proper seating
- Verify complete compression
Design Benefits
- Universal compatibility
- Reliable sealing
- Easy maintenance
- Consistent performance
- Cross-platform usage
Compatibility Notes
Engineered for use across multiple Jacuzzi pump series. Ensures proper fit and function in Piranha, Theramax, and Theraflo models.
Maintenance Recommendations
Regular inspection for:
- Compression set
- Material integrity
- Surface condition
- Proper fit
- Overall wear
Care Instructions
- Store properly
- Avoid chemical exposure
- Protect from UV light
- Keep clean
- Replace if damaged
Alternate Part Numbers
- SD6500-545




























