Water Pump

Model # 3420P Official Simer lawn sprinkler pump

Here are the diagrams and repair parts for Official Simer 3420P lawn sprinkler pump, as well as links to manuals and error code tables, if available.

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Browse Parts for
3420P Lawn Sprinkler Pump
Pump Seal Kit FPP5000

#NI01

All parts diagram

Pump seal kit

Part #FPP5000

The manufacturer no longer makes this part, and there's no substitute part

Pump Overhaul Kit, 2-hp FPP5008

#NI04

All parts diagram

Pump overhaul kit, 2-hp

Part #FPP5008

The manufacturer no longer makes this part, and there's no substitute part

Pump Impeller Kit FPP5002

#NI03

All parts diagram

Pump impeller kit

Part #FPP5002

The manufacturer no longer makes this part, and there's no substitute part

Clampw/nut C19-54SS
#11

Lawn sprinkler pump diagram

Clampw/nut

Part #C19-54SS

The manufacturer no longer makes this part, and there's no substitute part

Pump Body Front Half (3410p) (1 Hp) (3415p) (1-1/2 Hp) C176-53P
#12

Lawn sprinkler pump diagram

Pump body front half (3410p) (1 hp) (3415p) (1-1/2 hp)

Part #C176-53P

The manufacturer no longer makes this part, and there's no substitute part

Pump Body Front Half (3420p) (2 Hp) C176-62P
#12A

Lawn sprinkler pump diagram

Pump body front half (3420p) (2 hp)

Part #C176-62P

The manufacturer no longer makes this part, and there's no substitute part

Seal Plate Complete (3410p) (1 Hp) (3415p) (1-1/2 Hp) L176-47P1
#4

Lawn sprinkler pump diagram

Seal plate complete (3410p) (1 hp) (3415p) (1-1/2 hp)

Part #L176-47P1

The manufacturer no longer makes this part, and there's no substitute part

Motor J218-596PKG
#1

Lawn sprinkler pump diagram

Motor

Part #J218-596PKG

The manufacturer no longer makes this part, and there's no substitute part

Motor (3420p) (2 Hp) J218-883APKG
#1B

Lawn sprinkler pump diagram

Motor (3420p) (2 hp)

Part #J218-883APKG

The manufacturer no longer makes this part, and there's no substitute part

Base C4-42P
#14

Lawn sprinkler pump diagram

Base

Part #C4-42P

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Choosing the correct spray tip for a pressure washer

Choosing the correct spray tip for a pressure washer

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…

Solving pressure washer problems

Solving pressure washer problems

Learn how to solve simple pressure washer problems.…