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Wellman Automotive Glow Plugs are Now Sold Under the DieselRx® Brand Name.

Please visit the DieselRx® website at www.DieselRxProducts.com for all your Glow Plug needs. They are the same great products, made by the same great people you have trusted for years. Also, be sure to check out all our other products for diesel engines.

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2004 Powerstroke Update

In 2004, Ford/International Truck and Engine made a change to the Powerstroke engine. They are saying the change over was in 2004.25. The change affects the overall length of the glow plugs. The only way to determine the difference is to check the ENGINE serial number. This number can be found on the engine block near the head. The engines numbered 0000001-6155636 use the GP540 plug and engines 6155637 and up use the GP541. PLEASE check every 2004 Ford Powerstroke and International engine. Top of Page icon

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