Cheap And Discounts 5 Pack 596521 Fuel Module Main Jet for Briggs & Stratton 596521 for Briggs Fuel Assembly Module Carburetor Repair Kit Wholesale. Buy Directly From Merchant Shop1103879290 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.