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MAHLE 4055MDR 4.055" Duramax Piston Ring Set 1/16" 2.0mm 3.0mm 8-Cylinder

Manufacturer

Picture for manufacturer MAHLE

Part Number

4055MDR
6 reviews
Sale Price

$403.02

2 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The MAHLE 4055MDR is a premium diesel piston ring set engineered specifically for GM 6.6L Duramax engines with a 4.055-inch bore diameter. This complete 8-cylinder ring set features steel construction designed to withstand the demanding conditions of diesel performance applications.

Key Features:

  • 4.055-inch bore diameter for oversized or performance builds
  • Ring configuration: 1/16" (top compression), 2.0mm (second compression), 3.0mm (oil ring)
  • Complete 8-cylinder set for GM Duramax applications
  • Steel construction for maximum durability and heat resistance
  • Drop-in design for straightforward installation
  • Compatible with Duramax LB7, LLY, LBZ, LMM, LML, and L5P engines

MAHLE Motorsport ring sets are precision-engineered to deliver superior sealing, reduced blow-by, and optimal cylinder wall contact. These rings are ideal for engine rebuilds, performance upgrades, and high-horsepower diesel applications where reliability and precision are critical.

Products specifications

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Piston Ring Thickness

1/16, 2.0mm, 3.0mm

Pretty simple

So far great, no problems. Received order on 04/21/2015

Great experience last time

Easy to order and check out, very quick! Little bit of a hang up with shipping but over all a good experience. Definitely shopping here again!

Super easy and quick

So far I am happy with Autoplicity's order status updates. I like when shipments are in process and with the updates I know progress is happening. When an order doesn't seem to be moving along a customer wonders what the hold up is. Well so far I don't have to wonder which makes me more patient in waiting for my order. Thank you, I will explore Autoplicity's website for more cool stuff for my car.

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