- Oni Tools Crankshaft Rear Seal Wear Ring Extractor Tool direct OEM replacement to 303-771, ZTSE4518, 6884 or ST-131 used for Ford 2003-2010 F-250, F350, F-450, F-550, Excursion 2004-2007 F-650, F-750 2004-2010 E150, E-250, E-350, E-450, Low Cab Forward 4. 5L, 6.0L, 6.4L and Navistar International VT365-MaxxForce7.
- Our tool will cover multiple diesel engines such as 6.4L F-250 350/450/550 Super Duty, 2008, 2009, 2010, F-Super Duty 250-550 Ford Vehicles and 4.5L Low Cab Forward 2006, 2007, 2008, 2009 engines.
- Applications include 6.0L Diesel F-250/350/450/550 Super Duty 2004, 2005, 2006, E-Series 2004, 2005, 2006, 2007, 2008, 2009, 2010, F-650/750 Super Duty 2004, 2005, 2006, 2007, F-Super Duty 250-550 Ford Vehicles and 6.0 Diesel Excursion 2004 & 2005.
- This tool was designed to replace crankshaft rear seals and wear rings without damage and will not remove the Flywheel Adapter Plate. Note that OEM seals will not have a wear ring but if an aftermarket service part has previously been installed you will most likely find one.
- Oni Tools ensures quality automotive products and stands behind top of the line manufacturing. We guarantee our products to last and offer support for our mechanics along the way.
Durable and Well Made
So far good, use the Crankshaft Rear Seal Wear Ring Extractor Tool with no issues. I don't now the material that they use to build this tool but it is very durable.
I've used this 303-771 alternative for the Ford 6.4L, and it works perfectly. extremely suggestible
In terms of both quality and cost, this 303-771 Alternative is the ideal fit for my requirements.
This replacement Crankshaft Rear Seal Wear Ring Puller Tool is the most cost-effective choice. Excellent value, just what I needed, and totally compatible with the Ford 4.5L engine.
Excellent replacement for my 303-771. They were well-packaged, very fairly priced, and the tool was handed quickly.