Waterway Executive 48-Frame 2-Speed 2-1/2" Intake Spa Pump 4-1/2HP 3421821-13 Parts & Diagram

Replacement parts and exploded parts diagram for the Waterway Executive 48-Frame 2-Speed 2-1/2" Intake Spa Pump 4-1/2HP (model 3421821-13). 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.

  • #2 – 805-0112 – Drain Plug Oring
  • #5 – 805-0261 – Executive WET END Volute Oring
  • #7 – 310-4230 – .75HP 48FR Executive Impeller Assy
  • #7 – 310-4220B – Bagged 1HP Executive Impeller
  • #7 – 310-4210 – 2HP Executive Impeller
  • #7 – 310-4210B – Bagged 2HP Executive Impeller
  • #7 – 310-4200 – 3HP Executive Impeller
  • #8 – 319-3100B – SMF Series Bag Viton Shaft Seal W/ Oring
  • #9 – 315-1240 – Exec 48FR WET END Volute W/ Insert
  • #10 – 313-1400 – Hi-Flo Slinger

Please confirm your model number matches your existing equipment before ordering.

GTIN:
SKU: DIAGRAM-3421821-13
Brand: Waterway
Price range $4.77 - $47.40
Tax and shipping are calculated at checkout.

Available Parts & Components

  • Waterway First Choice 3/8In Black Quarter Slot - FCH416021 - 715-1201

    Waterway First Choice 3/8In Black Quarter Slot - FCH416021 - 715-1201

    SKU: 715-1201
    View product
    $8.28
  • Waterway 3/8

    Waterway 3/8" Drain Plug Bag - 715-1201B

    SKU: 715-1201B
    View product
    $15.10
  • Aladdin Shaft O-Ring Universal Stem/ Drain/ - O-39-9

    Aladdin Shaft O-Ring Universal Stem/ Drain/ - O-39-9

    SKU: O-39-9
    View product
    $4.77
  • Polaris O-Ring F/Shaft 5Pk - P40

    Polaris O-Ring F/Shaft 5Pk - P40

    SKU: P40
    View product
    $17.37
  • Waterway Machine Screw #8-32x5/8

    Waterway Machine Screw #8-32x5/8" - 819-1110

    SKU: 819-1110
    View product
    $16.65
  • Waterway

    Waterway "Executive" Faceplate 56Fr - 311-1210

    SKU: 311-1210
    View product
    $38.82
  • Waterway

    Waterway "Executive" Volute Faceplate - 311-1220

    SKU: 311-1220
    View product
    $38.82
  • Aladdin Cover O-Ring 2

    Aladdin Cover O-Ring 2" Multiport Valve - O-479-9

    SKU: O-479-9
    View product
    $15.57
  • Pentair Water Pool and Spa Inc Top Valve O-Ring 2

    Pentair Water Pool and Spa Inc Top Valve O-Ring 2" Hi Flow Tm/ Sm Mpv - 271151Z

    SKU: 271151Z
    View product
    $22.11
  • Waterway Wear Ring, Executive 4 & 5Hp - 319-1370

    Waterway Wear Ring, Executive 4 & 5Hp - 319-1370

    SKU: 319-1370
    View product
    $19.20
  • Waterway Wear Ring, Executive - 319-1380

    Waterway Wear Ring, Executive - 319-1380

    SKU: 319-1380
    View product
    $19.20
  • Waterway 1HP Executive Impeller - 310-4220

    Waterway 1HP Executive Impeller - 310-4220

    SKU: 310-4220
    View product
    $38.78
  • Waterway 3HP Executive Impeller Bagged - 310-4200B

    Waterway 3HP Executive Impeller Bagged - 310-4200B

    SKU: 310-4200B
    View product
    $43.80
  • Aladdin Skimlite Prodaprtor - 1000

    Aladdin Skimlite Prodaprtor - 1000

    SKU: 1000
    View product
    $47.40
  • U.S. Seal Pump Shaft Seal Replacement - PS1000

    U.S. Seal Pump Shaft Seal Replacement - PS1000

    SKU: PS1000
    View product
    $14.00
  • Polaris Seal, SS Cup & Spring - P55

    Polaris Seal, SS Cup & Spring - P55

    SKU: P55
    View product
    $30.00
  • Pentair Pump Shaft Seal Replacement - 071734S

    Pentair Pump Shaft Seal Replacement - 071734S

    SKU: 071734S
    View product
    $34.00
Subtotal $0.00
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Section title

Replacement parts and exploded parts diagram for the Waterway Executive 48-Frame 2-Speed 2-1/2" Intake Spa Pump 4-1/2HP (model 3421821-13). 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.

  • #2 – 805-0112 – Drain Plug Oring
  • #5 – 805-0261 – Executive WET END Volute Oring
  • #7 – 310-4230 – .75HP 48FR Executive Impeller Assy
  • #7 – 310-4220B – Bagged 1HP Executive Impeller
  • #7 – 310-4210 – 2HP Executive Impeller
  • #7 – 310-4210B – Bagged 2HP Executive Impeller
  • #7 – 310-4200 – 3HP Executive Impeller
  • #8 – 319-3100B – SMF Series Bag Viton Shaft Seal W/ Oring
  • #9 – 315-1240 – Exec 48FR WET END Volute W/ Insert
  • #10 – 313-1400 – Hi-Flo Slinger

Please confirm your model number matches your existing equipment before ordering.

Key Features

  • Exploded parts diagram for the Waterway Executive 48-Frame 2-Speed 2-1/2" Intake Spa Pump 4-1/2HP (model 3421821-13)
  • 17 replacement parts available to order online
  • Diagram number shown next to every part for easy matching
  • Genuine Waterway parts plus compatible alternates
  • Add multiple parts to your cart at once