2019 NAPA Reference Guide

A-12 Safety filter used with outer primary air filter. One end cap is closed. The other end cap has bolt studs with sealing gasket attached. Height Top or Major O.D. Bottom or Minor O.D. Top or Major I.D. Bottom or Minor I.D. Part Number 5.281 3.812 6.718 CLOSED 2.375 6233 10.110 3.812 6.688 CLOSED 2.625 2379 12.100 4.812 7.312 CLOSED 3.625 2048 13.100 6.300 9.060 CLOSED 4.625 2335 15.022 4.578 7.000 CLOSED 3.420 2643 16.100 6.300 9.060 CLOSED 4.625 2046 A-13 Safety filter used with outer primary air filter. One end cap is closed. The other end cap has a flange with bolt holes and sealing gasket attached. Height Top or Major O.D. Bottom or Minor O.D. Top or Major I.D. Bottom or Minor I.D. Part Number 5.343 6.718 3.937 CLOSED 2.375 6251 8.874 10.187 7.625 CLOSED 6.000 2634 10.124 6.718 3.750 CLOSED 2.625 6359 12.000 8.665 11.375 CLOSED 7 6424 12.092 7.312 4.750 CLOSED 3.656 6511 13.100 6.308 9.058 CLOSED 4.639 2336 13.546 7.650 10.200 CLOSED 5.992 2981 13.562 10.187 7.625 CLOSED 6.000 2340 14.250 12.780 15.630 CLOSED 10.290 9080 15.062 8.665 11.375 CLOSED 7.000 2681 15.312 8.646 12.000 CLOSED 7.000 2745 16.171 6.281 9.060 CLOSED 4.625 6629 18.150 9.800 12.100 CLOSED 8.187 6724 18.250 12.780 15.630 CLOSED 10.290 9579 A-14 Safety filter used with outer primary air filter. One end cap is open and has a special flange sealing gasket. The other end cap has a bolt hole. Media can be pleated cellulose or batt-fiber. Height Top or Major O.D. Bottom or Minor O.D. Top or Major I.D. Bottom or Minor I.D. Part Number 9.000 6.410 7.455 0.656 5.280 2762 9.650 7.290 8.480 0.660 6.200 2887 10.150 3.355 4.180 0.625 2.920 2478 11.000 3.310 4.340 0.625 2.570 6912 11.07 2.96 3.65 0.66 2.4 2632 11.984 4.609 5.700 0.656 3.500 6486 13.000 4.609 5.593 0.660 3.500 2924 13.070 4.579 5.704 0.708 3.468 2543 14.813 4.595 5.610 0.665 3.550 2399 15.000 6.410 7.460 0.675 5.265 2137 15.687 4.609 5.687 0.625 3.500 6643 16 4.578 5.625 0.671 3.453 2920 16.000 6.410 7.454 0.675 5.280 2209 17.667 7.287 8.218 0.660 6.182 2423 18.620 7.047 7.404 0.500 5.829 2527 19.154 7.264 8.425 0.679 6.240 6758 20.000 6.410 7.455 0.656 5.280 2657 20.410 4.550 5.750 0.650 3.440 6909 21.800 7.250 8.375 0.625 6.250 9917 A-15 Safety filter used with outer primary air filter. One end cap is open and has a flange mounted sealing gasket. The other end cap has a bolt hole. Media can be pleated cellulose or batt-fiber. Most have metal outer bodies, some have no metal outer bodies. Height Top or Major O.D. Bottom or Minor O.D. Top or Major I.D. Bottom or Minor I.D. Part Number 6.060 2.000 3.120 0.660 1.51 6437 7.750 3.360 4.200 0.720 2.940 9911 8.062 2.937 2.937 0.500 2.468 6283 9.125 3.343 4.171 0.625 2.843 6307 9.875 2.543 3.100 0.660 2.104 2769 10.000 2.750 3.600 0.660 2.400 6376 10.250 3.343 4.171 0.656 2.847 6346 10.302 2.125 2.390 0.375 1.894 2539 11.025 3.343 3.750 0.625 2.984 6371 A-12 — A-15 AIR FILTER DESIGN ILLUSTRATIONS 894 T E C H N I C A L D A T A