Home / Lawn & Garden / Parts / Lawn Sprayer Pump Barrel 1868642 Lawn Sprayer Pump Barrel 1868642Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 1868642 Brand: R.E. CHAPIN MFG Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$9.55Lady Time Description This pump barrel (part number 3-7016) is for lawn sprayers. Pump barrel 3-7016 is the chamber in which the plunger rod moves up and down. Wear work gloves to protect your hands when installing this part.