Yes, we contacted Chapin and they said the Chapin Pump Assembly Part 301630-1 is the exact pump you need for your model sprayer.
The Chapin Pump Assembly Part #301630-1 fits many other sprayers including some Stanley models. Please provide the model of the sprayer for compability. Thank you!
Yes, per the manufacturer, the Chapin Pump Assembly Part #6-4634 is compatible with the Chapin Pro Series 2 Gallon Sprayer (26021XP).
We are not familiar with your sprayer model and compatibility. We recommend that you consult with the manufacturer of your sprayer for additional information since Chapin parts are designed for use only with Chapin sprayers.
The Chapin Pump Assembly Part #6-4634 previously known as Chapin Pump Assembly Part #301630-1 is the replacement pump and will fit Chapin Premier 2 Gallon Sprayer (#21220XP).
Yes, the Chapin Pump Assembly Part #6-4634 will work in the Chapin Industrial Poly Heavy Duty Sprayer 3 Gal. (22090XP)
Yes, per the manufacturer, the Chapin Pump Assembly Part #6-4634 is compatible with the Chapin Pump Sprayer #22049XP.
No, the Chapin Pump Assembly Part #6-4634 is not the correct pump assembly for the Chapin 3 Gallon Sprayer (Model #31430).
The correct replacement pump for the Lawn & Garden TriPoxy Steel Plus Sprayer (#31430) is the Chapin 6-4619 Replacement Pump Part (#6-4619).