218 OIL, CHEMICALS & SAFETY BRAKE FLUID BEL-RAY, DOT 4 & 5 BRAKE FLUIDS DOT 5 silicone Bel-Ray DOT 5 does not absorb water and has a boiling point of 260C°. Safe for plastics and painted surfaces. Exceeds DOT 5 and FMVSS 116 specifications. Not compatible with anti-lock brakes due to quicker foaming of DOT5. Note: Do not mix with DOT 3 & 4 brake fluids. 912098 DOT 5 silicone. (355cc) Super DOT 4 Bel-Ray DOT 4 exceeds quality demands for DOT 3 & 4 brake fluids, and those of SAE J1703, FMVSS 116. Super DOT 4 can be mixed with DOT 3 fluids. Note: Do not mix with DOT 5 brake fluids. 912105 Super DOT 4. (355cc) 912098 912105 904511 506230 909741 EUROL, DOT 3 BRAKE FLUID DOT 3 is not advised with ABS/ASR brakes due to the lower boiling point. Yellow colored. Wet/dry boiling >140°C/>230°C. Hygroscopic, miscible (mixable) with water. Glycol based. For hydraulic brake systems in all vehicles with drum and disc brake systems. Will not affect sealing cups, brake fluid lines or seal rings. Aggressive, will attack paints etc. Not compatible with mineral based LHM fluid (mostly green colored) or silicone based DOT 5 fluid (purple colored). Performance level: FMVSS 116 DOT 3, SAE J1703. 579170 1 liter 579170 EUROL, DOT 5.1 BRAKE FLUID Compatible with ABS/ASR brake systems. Yellow colored. Wet/dry boiling >180°C/>260°C. Hygroscopic, miscible (mixable) with water. Glycol based. Aggressive, will attack paints etc. Will not affect sealing cups, brake fluid lines or seal rings. DOT 5.1 can be mixed with other synthetic brake fluids, meeting FMVSS 116 DOT 3, DOT 4 and DOT 5.1 specifications, not compatible with LHM or DOT 5 silicone. Performance level: FMVSS 116 DOT 5.1, ISO 4925 class 5.1, SAE J1703. 579172 250cc 579171 1 liter 579172 904509 MCS, BRAKE FLUID Quality brake fluids for demanding riders. Compatible many aftermarket brake component manufacturers. DOT 5 silicone Up to 2005 Softail, Dyna, V-Rod, up to 2006 XL, up to 2004 FLT. Silicon based. Non agressive for painted surfaces, plastics. DOT 5 is non-hygroscopic and will therefore not absorb water. Not compatible with anti-lock brakes. Note: Do not mix with DOT 3 & 4 brake fluids. 904509 DOT 5 Silicone (1 liter bottle) DOT 4 06-22 Softail; 06-17 Dyna; 05-22 Touring; 07-22 XL; 08-12 XR1200; 15-20 XG750/A/500 Street/Rod; 06-17 V-Rod; 20-22 ELW LiveWire. Glycol based. Compatible with ABS brakes and ASR systems. 904511 DOT 4 (1 liter bottle) EUROL, BRAKE FLUID Recommended by many major automotive institutes, many aftermarket brake component manufacturers. DOT 5 silicone Up to 2005 Softail, Dyna, V-Rod, up to 2006 XL, up to 2004 FLT. Silicon based. Non agressive for paint. Not compatible with anti-lock brakes. Non-hygroscopic. Purple colored. Do not mix with other brake fluids. Repl. 99902-77 and 99901-77. 506230 250cc bottle 506229 1 liter bottle DOT 4 06-22 Softail; 06-17 Dyna; 05-22 Touring; 07-22 XL; 08-12 XR1200; 15-20 XG750/A/500 Street/Rod; 06-17 V-Rod; 20-22 ELW LiveWire. Hygroscopic, miscible (mixable) with water. Yellow colored. Glycol based. Compatible with anti-lock brakes. 909741 250cc bottle 909742 1 liter bottle Something about DOT 5 silicone. If you want to use DOT 5 may be easier to decide if it's right for you with some added knowledge about this type of brake fluid. DOT 5 silicone is non-aggressive for painted surfaces, plastics and has anti-corrosive characteristics, is non-hygroscopic and will therefore not absorb water. Great characteristics for vehicles that are not used much. However, when water accumulates in the brake system over time, and it is not absorbed by the brake fluid, in theory it could create pockets of water which could boil in extreme circumstances. This could result in vapor lock and total brake failure. Since DOT 5 silicone does not absorb water the accumulated water may not fully be removed from the brake system when the brake fluid is changed. DOT 5 silicone may never be mixed glycol based DOT 3, 4 or 5.1 brake fluids. It is also not compatible with ABS (Anti-lock Brake System) or ASR (Anti Slip Regulation) since it will foam easier. Note that H-D has used DOT 5 up to around 2006, about the time when ABS was introduced... Tech-tip 10
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