1998-2003 Powerstroke 7.3L Belt Tensioner (AP63421) Timing Covers & Brackets 040) is a factory replacement

040) is a factory replacement for your 2003-2007 Ford 6

9LSU sensor that can be free-air calibrated or used with the factory resistor calibration

Replacement exhaust valve springs to allow for 60psi of back pressure with Exhaust Brakes

BD's transmission pans increase oil capacity

specifically used only for LML

1998-2003 Powerstroke 7.3L Belt Tensioner (AP63421) Timing Covers & Brackets 040) is a factory replacementReplace your worn or faulty belt tensioner on your 99 03 7. 3L Ford Powerstroke with this replacement from Alliant. Alliant products are built to meet or exceed factory specifications. OEM Part Number: F8UZ6B209CA BT50