HFP-383 Fuel Pump Replacement for Ski-Doo MX Z 900 TNT ACE/MX Z X 1200 TNT/600 HO/MX Z X-RS 600 HO/MXZ 1200 TNT EFI Replaces 513033654, 513033694 Drop-in replacement, 100% Direct OEM fit - no modification necessary, all parts match OEM specifications. Compatible with modern ethanol-infused pump gasoline. This pump is designed and constructed for problem free operation in excess of 100, 000 miles or 30, 000 hours. Specifically designed for quiet operation. Replaces Ski-Doo 513033654, 513033694, 513033643, 513033507, 513033579, 513033738, 513033650