- The Oni Tools Front Crankshaft Seal & Wear Ring Installation Tool is a direct replacement for Rotunda parts 303-1259, ZTSE4691, 6889 and ST-142.
- Designed to fit oil seals 3C3Z-6700-BA / 3C3Z6700BA / 1835376C1 found in 2008-2010 F250, F350, F450, F550, 6.4 Liter Ford Powerstroke engines, and VT365-MaxxForce7 Navistar International.
- Heavy duty specialty tool made to eliminate lip flare on the wear sleeve and remove the crankshaft front seal for Ford 6.4L Powerstroke Diesel Engines.
- This specialty tool is essential when replacing the front crankshaft seal and is also sold in a master kit to cover multiple engines.
- Oni Tools ensures quality automotive products and top of the line manufacturing. We guarantee our products to last and offer support for our mechanics along the way.
I was very impressed with this 303-1259 Alternative. It fits with the 3C3Z-6700-BA oil seal. Excellent addition to my toolkit.
Excellent 303-1259 Alternative. One of the lower-priced Front Crankshaft Seal Wear Ring Tools that I looked at.
The Front Crankshaft Seal Wear Ring Installer Tool works perfectly. It fits the oil seals for the F550 6.4L engine.
Better Quality than other brands
The Front Crankshaft Seal Wear Ring Installer Tool is brilliant, better in quality, and more affordable than other OEM replacement manufacturers.
Fantastic work was done by this Front Crankshaft Seal Wear Ring Installer Tool! Excellent 303-1259 replacement tool.