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Weldona, Colorado 970-368-4455

DieselOrings is a small, family owned and operated business located in the sparsely populated plains of Northeastern Colorado.
UPS is delivering orders in a reasonable time compared to what we see with USPS.
Please understand that these delays are out of our control.
  3/26/2020 - UPS has suspended Guaranteed Delivery for Next Day Air, 2nd Day Air, 3 Day Select and Ground.
UPS has denied all claims for missed delivery dates. (LINK)


UVC Oil Rail Plug O-rings

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#8-006 Oil Rail Drain Plug o-rings 94-03 7.3L

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Availability: In stock

Head Oil Rail Drain Plug O-rings

Head Oil Rail Drain Plug O-rings

head oil rail

There are 4 oil rail drain plugs - 2 on each head.

When removing injectors for servicing or replacement, the oil rails should be drained prior to removing the injector. This will prevent the oil rail contents from draining into the cylinder and causing hydrolock and possible damage to the engine.

The cylinder will still require evacuation of any coolant and/or oil before cranking the engine after servicing the injectors.

The Allen hex headed plugs should be removed but using a socketed Allen wrench on a short extension. Insert the Allen wrench into the head and give the extension a few taps with a hammer to assure that the wrench is fully seated in the plug and to help break the plug threads loose from the head.

Model Year 94-03 7.3L diesel

Color: Black

Drain Plug O-rings:
Durometer Shore: Shore A: 90 Viton

Specification: SAE J200



Order quantity of 1 for each package of 4 o-rings.

Orders Over $99 with *Free Shipping on US orders ships via US Postal Mail including Hawaii, Alaska and PR. Weight restrictions apply to Hawaii, Alaska and PR
*Free Shipping on large and/or heavy orders ships via UPS and only applies to orders to addresses within the Continental US (excluding Alaska).
UPS shipments outside the Continental US will incur additional charges.