(Majority made in the United States) Since 1932, FRAM is probably the largest oil filter maker in the United States. Consult the oil filter box and casing to confirm. Fleetguard has manufacturing facilities in Mexico and Australia, so you can expect some Fleetguard oil filters to be made there, too. Fleetguard oil filters are made in Cookeville, TN and Neillsville, WI. (Majority made in the United States) Fleetguard, aka Cummins Filtration, is the filtration division of Cummins Engines.

The rest are private label, made by Champion laboratories.” Fleetguard According to a BITOG forum member, “Donaldson 3” and 3 1/2” diameter cans are built in Mexico.

(Some oil filters made in the United States) Donaldson Filtration is headquartered in Bloomington, MN. Champ Labs is part of the First Brands Group. But, as of this writing, their automotive oil filters are still US made. It’s worth noting Champ Labs has a manufacturing facility in Shanghai, China, with evidence some oil filters are made there. Champion Labs has manufacturing facilities in Illinois and South Carolina. (Majority made in the United States) Carquest, HQ’d in Raleigh, NC, partners with Champion Laboratories to make its automotive oil filters. Purolater, owned by Mann + Hummel, has its main manufacturing facility in Fayetteville, NC. (Majority made in the United States) Bosch USA, HQ’d in Farmington Hills, MI, partners with Purolater to make its oil filters. Since Baldwin acquired Hastings Premium Filters, most, if not all, Baldwin oil filters are made in the United States. (Majority made in the United States) Baldwin Filters, headquartered in Kearney, Neb, is part of the Parker Hannifin Corporation Filtration Group. Amsoil partners with Champion Laboratories to produce its private label oil filters. (Made in the United States) Amsoil, HQ’d in Superior, WS, is known for its 100% American made lubricants. Champ Labs has manufacturing facilities in Illinois and South Carolina. (Made in the United States) ACDelco, HQ’d in Grand Blanc, MI and parts manufacturer for GM, partners with Champion Laboratories to make its private label of oil filters. If there’s a major oil filter maker still making filters in the U S of A that I’ve missed and you’d like to see added to the list, leave a comment below! ACDelco The Best Thermos Made In USA You Can’t Miss! (2021)

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