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Small black plastic interlock switch with metal terminals and mounting tabs

Stens

Stens 430-702 Interlock Switch accessory

SKU CH-WDN2-PDJSX

Safety interlock switch prevents mower operation unless controls are correctly engaged

  • FeaturesInnovative
  • Ensures operator safety through interlock function
  • Direct replacement for AYP 153664 part number
  • Compatible with AYP 532176138 reference
  • Innovative design from Stens brand
  • New condition part first listed in 2020

Replacement Interlock Switch

The Stens 430-702 interlock switch replaces AYP part numbers 153664 and 532176138 on compatible mowers. It restores the safety circuit that prevents blade engagement when the operator leaves the seat. First listed by the manufacturer in 2020, it is supplied as a new component.

Who This Suits

This switch suits owners of mowers that specify the AYP 153664 or 532176138 interlock part. It is not for machines using a different interlock design or connector layout. Buyers who need a complete wiring harness or a different safety module should look at other parts.

Installation Notes

Installation typically involves unplugging the old switch and connecting the new unit in the same mounting position. The most common issue is a mismatched connector or wiring routing that prevents the plunger from actuating fully. Verify the part number against the mower manual before fitting.

Highlights

  • Ensures operator safety through interlock function
  • Direct replacement for AYP 153664 part number
  • Compatible with AYP 532176138 reference
  • Innovative design from Stens brand
  • New condition part first listed in 2020

Specifications

BrandStens
FeaturesInnovative

Questions about this item

Will the 430-702 switch fit my AYP mower that uses part 153664?

Yes, the 430-702 is a direct replacement for AYP 153664 and AYP 532176138 interlock switches.

Can I use this new 430-702 switch with the original wiring harness on my older AYP mower?

The switch matches the AYP 153664 specification, so it connects to the existing harness without modification.

How do I confirm the 430-702 interlock is working after I install it?

With the operator present and the blade engaged, the engine should run; leaving the seat or releasing the bail should stop the engine immediately.

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