Northstar 157121X Parts Diagrams

There are (191) parts used by this model.

Found on Diagram: Parts Explosions – Rev X.3
A157121

2 5 Gpm 3100 Psi Comet Pump

$374.99

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777915

Nipple Qc 3 8 3 8 Fnpt Pw

$5.88

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800429

Garden Hose Adapter

$16.38

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796161

1/4 Hose Barb X 1/8 Npt

$3.44

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777834

Clamp 1 4 Hose

$0.81

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777165

Hose 1/4 Inch Braided Chemical Pw

$1.38

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801964

Easy Start Valve 8 0 Gpm

$21.54

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777347

Tee Forged 6Mp 6Fp 6Fp (Pw)

$13.75

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82143

Key Shaft 1/4 X 1-3/4

$0.75

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777165

Hose 1/4 Inch Braided Chemical Pw

$1.38

Options Add to Cart
221222

Strainer Chemical Pw

$4.00

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Found on Diagram: Pump Exploded View – Comet DWD
CO3202001800

Brass Plug G1 8

$15.50

Options Add to Cart
CO3609033800

Screw

$5.06

Options Add to Cart
CO3609027100

Screw

$5.06

Options Add to Cart
CO3202001800

Brass Plug G1 8

$15.50

Options Add to Cart
CO1210081500

O-Ring

$2.63

Options Add to Cart
CO2409030800

Check Valve

$7.38

Options Add to Cart
CO1802019700

Spring

$12.38

Options Add to Cart
CO3410031800

Injector Body Kit

$50.46

Options Add to Cart
CO1210004000

O-Ring Axd

$1.38

Options Add to Cart
CO1210004900

O-Ring Oil Plug Wobble Pump

$1.25

Options Add to Cart
CO1802018000

Spring For Chemical Injector

$7.31

Options Add to Cart
CO3003002400

Ball For Chemical Injector

$10.50

Options Add to Cart
CO2803042400

Hose Fitting

$15.94

Options Add to Cart
CO1215066700

Regulating Valve Kit

No Longer Available

Options Add to Cart
CO1817011100

Valve Knob

$9.38

Options Add to Cart
CO3009024600

Suction Discharge Valve Set

$15.13

Options Add to Cart
CO1210046500

O-Ring

$2.75

Options Add to Cart
CO3604006300

Suction Discharge Valve

$4.13

Options Add to Cart
CO1802025700

Suction Discharge Valve Spring

$2.13

Options Add to Cart
CO1205009400

Suction Discharge Valve Cage

$2.13

Options Add to Cart
CO3009024500

Suction Discharge Valve Seat

$17.00

Options Add to Cart
CO1210041500

O-Ring 781211

$4.56

Options Add to Cart
CO3604006300

Suction Discharge Valve

$4.13

Options Add to Cart
CO1802025700

Suction Discharge Valve Spring

$2.13

Options Add to Cart
CO1205009200

Suction Discharge Valve Cage

$2.13

Options Add to Cart
CO1210082400

O-Ring

$2.13

Options Add to Cart
CO0009095000

O-Ring

$2.13

Options Add to Cart
CO1241023100

Sealing Ring

$15.13

Options Add to Cart
CO1241024000

Sealing Ring

$5.19

Options Add to Cart
CO0009094400

Packing Retainer

$23.69

Options Add to Cart
CO1210033300

O-Ring Zwd 1 78mm X 23 53mm

$1.81

Options Add to Cart
CO0019018500

Sealing Ring

$24.13

Options Add to Cart
CO0438014900

Bearing

$49.88

Options Add to Cart
CO3019001200

Outer Seeger

$4.44

Options Add to Cart
CO0009032700

Axial Ring

$4.19

Options Add to Cart
CO1210035700

O-Ring

$5.94

Options Add to Cart
CO0402055300

Side Cover

$7.38

Options Add to Cart
CO3020004600

Inner Seeger

$21.31

Options Add to Cart
CO3011004400

Pin

$13.25

Options Add to Cart
CO0205010500

Connection Rod

$21.13

Options Add to Cart
CO2404021800

Cover Plate

$6.63

Options Add to Cart
CO1210082500

O-Ring

$2.13

Options Add to Cart
CO0402055200

Crankcase Cover

$48.96

Options Add to Cart
CO3625006200

Screw M6 X 20

No Longer Available

Options Add to Cart
CO1210004400

O-Ring

$1.06

Options Add to Cart
CO3200000400

Plug 1/4 788702

$32.84

Options Add to Cart
CO1210005600

O-Ring

$4.06

Options Add to Cart
CO3202043400

Cap

$13.44

Options Add to Cart
CO0402053700

Cap

$14.25

Options Add to Cart
CO2800053700

Suction Fitting Kit

$31.04

Options Add to Cart
4027

Filter Washer 50 Mesh (Pw)

$0.81

Options Add to Cart
CO3609003200

Screw (M6 X 20) 788703

$2.56

Options Add to Cart
CO0001101400

Eccentric Shaft

$145.13

Options Add to Cart
CO0438001500

Ball Bearing

$123.21

Options Add to Cart
CO3020001200

Inner Seeger Snap Ring

$11.69

Options Add to Cart
CO0019007500

Oil Seal Lwd 35 X 62 X 7mm

$29.50

Options Add to Cart
CO3016001200

Flange Comet Pump

$75.16

Options Add to Cart
CO5025009800

Complete Valve Kit
INCLUDES: 22, 23, 24, 25, 26, 27, 28, 29, 30 ,31, 32, 33

$115.00

Options Add to Cart
CO5019076600

Water Seal Kit
INCLUDES: 34, 35, 37

$130.50

Options Add to Cart
CO5019076800

Oil Seal Kit
Includes 23, 28, 32, 33, 37, 38, 43, 50, 53, 68

$134.38

Options Add to Cart
CO3202001800

Brass Plug G1 8

$15.50

Options Add to Cart
CO3609033800

Screw

$5.06

Options Add to Cart
CO3609027100

Screw

$5.06

Options Add to Cart
CO3202001800

Brass Plug G1 8

$15.50

Options Add to Cart
CO1210081500

O-Ring

$2.63

Options Add to Cart
CO2409030800

Check Valve

$7.38

Options Add to Cart
CO1802019700

Spring

$12.38

Options Add to Cart
CO3410031800

Injector Body Kit

$50.46

Options Add to Cart
CO1210004000

O-Ring Axd

$1.38

Options Add to Cart
CO1210004900

O-Ring Oil Plug Wobble Pump

$1.25

Options Add to Cart
CO1802018000

Spring For Chemical Injector

$7.31

Options Add to Cart
CO3003002400

Ball For Chemical Injector

$10.50

Options Add to Cart
CO2803042400

Hose Fitting

$15.94

Options Add to Cart
CO1215066700

Regulating Valve Kit

No Longer Available

Options Add to Cart
CO1817011100

Valve Knob

$9.38

Options Add to Cart
CO3009024600

Suction Discharge Valve Set

$15.13

Options Add to Cart
CO1210046500

O-Ring

$2.75

Options Add to Cart
CO3604006300

Suction Discharge Valve

$4.13

Options Add to Cart
CO1802025700

Suction Discharge Valve Spring

$2.13

Options Add to Cart
CO1205009400

Suction Discharge Valve Cage

$2.13

Options Add to Cart
CO3009024500

Suction Discharge Valve Seat

$17.00

Options Add to Cart
CO1210041500

O-Ring 781211

$4.56

Options Add to Cart
CO3604006300

Suction Discharge Valve

$4.13

Options Add to Cart
CO1802025700

Suction Discharge Valve Spring

$2.13

Options Add to Cart
CO1205009200

Suction Discharge Valve Cage

$2.13

Options Add to Cart
CO1210082400

O-Ring

$2.13

Options Add to Cart
CO0009095000

O-Ring

$2.13

Options Add to Cart
CO1241023100

Sealing Ring

$15.13

Options Add to Cart
CO1241024000

Sealing Ring

$5.19

Options Add to Cart
CO0009094400

Packing Retainer

$23.69

Options Add to Cart
CO1210033300

O-Ring Zwd 1 78mm X 23 53mm

$1.81

Options Add to Cart
CO0019018500

Sealing Ring

$24.13

Options Add to Cart
CO0438014900

Bearing

$49.88

Options Add to Cart
CO3019001200

Outer Seeger

$4.44

Options Add to Cart
CO0009032700

Axial Ring

$4.19

Options Add to Cart
CO1210035700

O-Ring

$5.94

Options Add to Cart
CO0402055300

Side Cover

$7.38

Options Add to Cart
CO3020004600

Inner Seeger

$21.31

Options Add to Cart
CO3011004400

Pin

$13.25

Options Add to Cart
CO0205010500

Connection Rod

$21.13

Options Add to Cart
CO2404021800

Cover Plate

$6.63

Options Add to Cart
CO1210082500

O-Ring

$2.13

Options Add to Cart
CO0402055200

Crankcase Cover

$48.96

Options Add to Cart
CO3625006200

Screw M6 X 20

No Longer Available

Options Add to Cart
CO1210004400

O-Ring

$1.06

Options Add to Cart
CO3200000400

Plug 1/4 788702

$32.84

Options Add to Cart
CO1210005600

O-Ring

$4.06

Options Add to Cart
CO3202043400

Cap

$13.44

Options Add to Cart
CO0402053700

Cap

$14.25

Options Add to Cart
CO2800053700

Suction Fitting Kit

$31.04

Options Add to Cart
4027

Filter Washer 50 Mesh (Pw)

$0.81

Options Add to Cart
CO3609003200

Screw (M6 X 20) 788703

$2.56

Options Add to Cart
CO0001101400

Eccentric Shaft

$145.13

Options Add to Cart
CO0438001500

Ball Bearing

$123.21

Options Add to Cart
CO3020001200

Inner Seeger Snap Ring

$11.69

Options Add to Cart
CO0019007500

Oil Seal Lwd 35 X 62 X 7mm

$29.50

Options Add to Cart
CO3016001200

Flange Comet Pump

$75.16

Options Add to Cart
CO5025009800

Complete Valve Kit
INCLUDES: 22, 23, 24, 25, 26, 27, 28, 29, 30 ,31, 32, 33

$115.00

Options Add to Cart
CO5019076600

Water Seal Kit
INCLUDES: 34, 35, 37

$130.50

Options Add to Cart
CO5019076800

Oil Seal Kit
Includes 23, 28, 32, 33, 37, 38, 43, 50, 53, 68

$134.38

Options Add to Cart
CO3202001800

Brass Plug G1 8

$15.50

Options Add to Cart
CO3609033800

Screw

$5.06

Options Add to Cart
CO3609027100

Screw

$5.06

Options Add to Cart
CO3202001800

Brass Plug G1 8

$15.50

Options Add to Cart
CO1210081500

O-Ring

$2.63

Options Add to Cart
CO2409030800

Check Valve

$7.38

Options Add to Cart
CO1802019700

Spring

$12.38

Options Add to Cart
CO3410031800

Injector Body Kit

$50.46

Options Add to Cart
CO1210004000

O-Ring Axd

$1.38

Options Add to Cart
CO1210004900

O-Ring Oil Plug Wobble Pump

$1.25

Options Add to Cart
CO1802018000

Spring For Chemical Injector

$7.31

Options Add to Cart
CO3003002400

Ball For Chemical Injector

$10.50

Options Add to Cart
CO2803042400

Hose Fitting

$15.94

Options Add to Cart
CO1215066700

Regulating Valve Kit

No Longer Available

Options Add to Cart
CO1817011100

Valve Knob

$9.38

Options Add to Cart
CO3009024600

Suction Discharge Valve Set

$15.13

Options Add to Cart
CO1210046500

O-Ring

$2.75

Options Add to Cart
CO3604006300

Suction Discharge Valve

$4.13

Options Add to Cart
CO1802025700

Suction Discharge Valve Spring

$2.13

Options Add to Cart
CO1205009400

Suction Discharge Valve Cage

$2.13

Options Add to Cart
CO3009024500

Suction Discharge Valve Seat

$17.00

Options Add to Cart
CO1210041500

O-Ring 781211

$4.56

Options Add to Cart
CO3604006300

Suction Discharge Valve

$4.13

Options Add to Cart
CO1802025700

Suction Discharge Valve Spring

$2.13

Options Add to Cart
CO1205009200

Suction Discharge Valve Cage

$2.13

Options Add to Cart
CO1210082400

O-Ring

$2.13

Options Add to Cart
CO0009095000

O-Ring

$2.13

Options Add to Cart
CO1241023100

Sealing Ring

$15.13

Options Add to Cart
CO1241024000

Sealing Ring

$5.19

Options Add to Cart
CO0009094400

Packing Retainer

$23.69

Options Add to Cart
CO1210033300

O-Ring Zwd 1 78mm X 23 53mm

$1.81

Options Add to Cart
CO0019018500

Sealing Ring

$24.13

Options Add to Cart
CO0438014900

Bearing

$49.88

Options Add to Cart
CO3019001200

Outer Seeger

$4.44

Options Add to Cart
CO0009032700

Axial Ring

$4.19

Options Add to Cart
CO1210035700

O-Ring

$5.94

Options Add to Cart
CO0402055300

Side Cover

$7.38

Options Add to Cart
CO3020004600

Inner Seeger

$21.31

Options Add to Cart
CO3011004400

Pin

$13.25

Options Add to Cart
CO0205010500

Connection Rod

$21.13

Options Add to Cart
CO2404021800

Cover Plate

$6.63

Options Add to Cart
CO1210082500

O-Ring

$2.13

Options Add to Cart
CO0402055200

Crankcase Cover

$48.96

Options Add to Cart
CO3625006200

Screw M6 X 20

No Longer Available

Options Add to Cart
CO1210004400

O-Ring

$1.06

Options Add to Cart
CO3200000400

Plug 1/4 788702

$32.84

Options Add to Cart
CO1210005600

O-Ring

$4.06

Options Add to Cart
CO3202043400

Cap

$13.44

Options Add to Cart
CO0402053700

Cap

$14.25

Options Add to Cart
CO2800053700

Suction Fitting Kit

$31.04

Options Add to Cart
4027

Filter Washer 50 Mesh (Pw)

$0.81

Options Add to Cart
CO3609003200

Screw (M6 X 20) 788703

$2.56

Options Add to Cart
CO0001101400

Eccentric Shaft

$145.13

Options Add to Cart
CO0438001500

Ball Bearing

$123.21

Options Add to Cart
CO3020001200

Inner Seeger Snap Ring

$11.69

Options Add to Cart
CO0019007500

Oil Seal Lwd 35 X 62 X 7mm

$29.50

Options Add to Cart
CO3016001200

Flange Comet Pump

$75.16

Options Add to Cart
CO5025009800

Complete Valve Kit
INCLUDES: 22, 23, 24, 25, 26, 27, 28, 29, 30 ,31, 32, 33

$115.00

Options Add to Cart
CO5019076600

Water Seal Kit
INCLUDES: 34, 35, 37

$130.50

Options Add to Cart
CO5019076800

Oil Seal Kit
Includes 23, 28, 32, 33, 37, 38, 43, 50, 53, 68

$134.38

Options Add to Cart