Mahle OE GM 6.6L Duramax R w/ PCR - .020 DSL Piston With Rings Set (Set of 4)

Mahle OE GM 6.6L Duramax R w/ PCR - .020 DSL Piston With Rings Set (Set of 4)

Marsoni

M251S

$945.76

Get it in 3 business days with 1 day shipping. Friday, May 29

Mahle OE GM 6.6L Duramax R w/ PCR - .020 DSL Piston With Rings Set (Set of 4)MAHLE Original pistons are OE quality and have the same great OE features such as compensated ring grooves to assure proper ring loading and oil control, as well as expansion controlled designs for small fitting clearances to reduce engine noise, wear, emissions, and improve oil control. MAHLE offers pistons ready for installation with mounted piston rings, with pin and clips included for the convenience of the engine builder. This Part Fits: Year

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This works really well! I used it several times and really saw a difference. Unfortunately I had a root canal done and the following day I decided to whiten and I thought I was going to die! I didn’t know my front tooth was going to be that sensitive from the tooth canal. That was my fault and only telling this story as a warning! Do not use this after dental work unless your dentist says ok! Otherwise it works amazingly!

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Reviewed in the United States on May 2, 2026

Verified Purchase

Zero

New York, US

★★★★★ 4

Easy to use

Size: 4 Count (Pack of 1)

Continued use is needed for best results

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Reviewed in the United States on May 14, 2026

Verified Purchase

Nicole

Draper, US

★★★★★ 5

No sensitivity issues and works!

Size: 4 Count (Pack of 2)

I have what I would consider sensitive teeth and this doesn’t bother them one bit. I have used nightly for about 5 nights and can see a difference in color but again, no pain or sensitivity problems! I would recommend to anyone who asks what product to get for whitening teeth.

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Reviewed in the United States on February 25, 2026