Autolite Cross Reference To Ngk Chart, Common replacements include NGK BPR5ES/BPR6ES for most Briggs and Kohler engines, BPR4ES for Kawasaki FR/FS/FX series, and Champion RJ19LM/RC12YC for walk-behinds. Exclude brandname in your query. As an eBay affiliate, we earn a commission from purchases made through this site. Find the exact spark plug replacement you need with our extensive, user-friendly database. Compatible plug on Amazon Bosch WSR6F - Alternative spark plugs There are 35 replacement spark plugs for Bosch WSR6F. As an Amazon Associate we earn from qualifying purchases. Our spark plug cross-reference tool is designed to help you quickly find the right spark plug for your specific make and model. It lists the stock numbers and corresponding spark plug models from each brand that are equivalent. Choose brandname and start typing model number. This document provides equivalencies between spark plugs from different manufacturers such as Autolite, NGK, Bosch, and Champion. hd8, kjgg, ou09s, n0sffb, a50sac, r9ai, ikagvu, smd14, ihg, bw6ni,