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Piston Ring Manufacturers

Piston Ring Manufacturers

Piston Ring Manufacturers

(OP)
I'm trying to compile a list of high-volume piston ring manufacturers for automotive (diesel/gasoline) and medium/heavy duty diesel applications.  Off the top of my head, I can come up with:
 - Riken: Automotive, MD, HD
 - Federal Mogul: Automotive, MD, HD
 - Mahle: Automotive, MD, HD
 - Dana: Automotive
 - Hastings: Automotive
 
Any others?

RE: Piston Ring Manufacturers

Try Total Seal in Pheonix, AZ. They make gapless as well as conventional style rings.--------PHIL

RE: Piston Ring Manufacturers

     wiesco is quite large

RE: Piston Ring Manufacturers

What about Deves

Regards

eng-tips, by professional engineers for professional engineers
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.

RE: Piston Ring Manufacturers

There were Sealed Power and Perfect Circle, but I think they were abosrbed into one of those you already listed.

RE: Piston Ring Manufacturers

(OP)
Yeah, I think Dana got Perfect Circle.  I'm not sure about Sealed Power.

RE: Piston Ring Manufacturers

Two additional high quality ring manufacturers come to mind: Goetze is a leading edge manufacturer (Goetze is German and a subsidiary of FM).

Nippon Piston Ring (NPR) is another quality ring producer.

Some of the previous posts mention companies that actually get their rings from the biggies like Hastings.

By the way, in my opinion, Mahle is a/the, leading edge producer of very high quality ring designs.

Will

RE: Piston Ring Manufacturers

(OP)
Yeah, I was lumping AE/Goetze under FMO.  I don't think I'd ever heard of NPR before - thanks!  

Running list:
 - Riken: Automotive, MD, HD
 - Nippon Piston Ring:  Automotive, MD, HD(?)
 - Federal Mogul (AE/Goetze): Automotive, MD, HD
 - Mahle: Automotive, MD, HD
 - Dana: Automotive
 - Hastings: Automotive
 - Total Seal: (small qty automotive, I believe)
 - Weisco: ? (can't find website)
 - Deves: Automotive replacement rings
 

RE: Piston Ring Manufacturers

Many years ago, NPR made big bore kits, including cylinders, cast pistons and rings foe air cooled VWs. They seemed good quality.

I was expecting that there must be at least one Japanese supplier.

Total seal make rings at least for the high performance replacement market. I think they also do a gapless ring

Regards

eng-tips, by professional engineers for professional engineers
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.

RE: Piston Ring Manufacturers

(OP)
Riken is a Japanese supplier too, isn't it?

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