The Eaton Fuller Lock Washer, part number X3-600 or X3600, is a genuine Eaton hardware fastener used across a wide range of Fuller transmission series and Mack engine applications. Compatible Fuller applications include the 6613, 9513, 11509, 11609, 12510, 12513, 12515, 14909, and 15210 series, as well as universal Fuller use. This washer also cross-references to Mack, Navistar, Cummins, Caterpillar, Dana, and Renault part numbers, making it a widely used hardware item across multiple heavy-duty platforms. Cross-references include PAI FWA-0050, Mack 8235-WA16, Mack 2719-90416, and Navistar 38R, among others. A genuine Eaton part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Genuine Eaton Fuller lock washer, part number X3-600 or X3600
Fits Fuller 6613, 9513, 11509, 11609, 12510, 12513, 12515, 14909, and 15210 transmission series
Also listed for Mack universal and Mack TRQ-7220 20-speed transmission applications
Cross-references to PAI FWA-0050, Mack 8235-WA16, Navistar 38R, Cummins S-604, and Caterpillar 3B4506
Sold individually; also available in 10-piece packs through select suppliers
Compatible with Mack E6, E7, E-Tech, ASET, and E9 engine platforms
