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Diesel Piston Rings

Diesel piston rings seal combustion pressure, control oil, and transfer heat from the piston to the cylinder wall. When rings wear, you see blow-by, oil consumption, and lost power, which is why fresh rings are at the heart of any honest rebuild. JAK'S Diesel stocks compression and oil-control rings for heavy-duty and Class 8 engines, including PAI Industries aftermarket sets.

Match rings to your bore size and finish, and order them as part of a complete kit. Not sure which set fits your block? Send us your engine and part numbers and we'll cross-reference it.

384
Parts Available
Showing 24 of 384 Diesel Piston Rings
CAM BEARING SET
CAM BEARING SET
JAK'S JAKS-PISR-90017
Available · Confirm Lead Time
$63.99
O-RING KIT
O-RING KIT
JAK'S JAKS-PISR-90015
Available · Confirm Lead Time
$113.69
O-RING KIT
O-RING KIT
JAK'S JAKS-PISR-90011
Available · Confirm Lead Time
$2.93
O-RING KIT
O-RING KIT
JAK'S JAKS-PISR-90006
Available · Confirm Lead Time
$4.61
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Choosing the Right Diesel Piston Rings

Heavy-duty diesel components must be matched to the exact engine and application. Before ordering from this collection, verify the part number, engine model, engine serial number, and any casting or calibration number shown on the original component.

Fitment information to have ready

  • OEM, dealer, casting, or interchange part number
  • Engine manufacturer, model, and engine serial number (ESN)
  • Truck year and model when the component is chassis-specific
  • Core details for remanufactured or exchange components

Need a fitment check?

Use the OEM cross-reference tool or text a clear photo of the part tag to (720) 445-6249. A JAK'S Diesel specialist can confirm the match before the part ships.

Can't Find the Right Part?

Text us the part number or a photo of the tag — we'll cross-reference it and quote you the right one.

Text a Part-Tag Photo(720) 445-6249