• Direct replacement to Cummins OEM Cam Timing Tool 3163807. The Cummins Service Bulletin 3666239 requires to use the updated timing wedges for ISX CM570, ISX CM870 and ISX CM871.
• Package includes one 4.50 degree wedge. This tool is also sold as a kit with a 3163021 wedge set that includes one 4 degree, two 6 degree and one 7 degree with a crankshaft locking pin comparable to 3163021.
• Works on all Cummins ISX and QSX 1999 ~2021 SOH or DOH engine. We offer 2892428 alternative 4.25 degree and 2892429 optional 4.75 degree wedges also sold as kits. (NOT INCLUDED)
• Used for setting the gear train timing on Cummins engines with single or double camshaft. This tool is CNC machined and zinc black electroplated for a strong durable finish. Made to last.
• Oni Tools ensures quality automotive products and stands behind top of the line manufacturing. We guarantee our products to last and offer support along the way.

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