b'AR PUMP KIT CHARTAR Pump Kit ChartPUMP SERIES &ALKOTA PUMPCHECKOIL SEALS & PISTON SIZE PART #S &WATER SEALS VALVES SHAFT VERSIONS PISTON KIT PISTON GUIDE SUPPORT RINGS HOT KITSHAFT VERSIONXJV-15MM #2798 #1864 #2797 #2796 #1980180 (ea.) #1980190 (ea.) N/AXJW-15MM #2800 #1864 #2797 #2796 #1980180 (ea.) #1980190 (ea.) N/AXT-15MM N09-00002 (N) #1866 #1864 #1872-N (shaft) #2628 #1260151 (ea.) #1520120 (ea.) #2029-Viton #2725-Hot/DryXT-18MM N09-00004 (N) #1874 #1864 #1872-N (shaft) #2629 #1260450 (ea.) #1320340 (ea.) #2030-Viton #2726-Hot/DryXTA-15MM N09-00041 (N) #1866 #1864 #1860-E (shaft)#2628 #1260151 (ea.) #1520120 (ea.) #2029-Viton#1872-N (shaft)XTA-18MM N09-00008 (N) #1874 #1864 #1860-E (shaft)#2629 #1260450 (ea.) #1320340 (ea.) #2030-Viton#1872-N (shaft)N09-00016 (E) XTV-15MM N09-00017 (N)#1866 #1864 #1860-D,E (shaft)#2628 #1260151 (ea.) #1520120 (ea.) #2029-Viton N09-00018 (E)#1872-N (shaft) #2725-Hot/DryN09-00036 (D)XM-15MM N09-00028 (N) #2741 #1864 #2786-N (shaft) #2544 #1780090 (ea.)Front#2740 #2776#1780100 (ea.)RearXM-18MM #2747 #1864 #2786-N (shaft) #2545 #1780110 (ea.)Front#2745 #2777#1780120 (ea.)RearXMA-15MM #2741 #1864 #2786-N (shaft) #2544 #1780090 (ea.)Front#2740 #2776#1780100 (ea.)RearXMA-18MM #2747 #1864 #2786-N (shaft)#2545 #1780110 (ea.)Front#2745 #2777#2787-E (shaft) #1780120 (ea.)RearXMV-15MM N09-00066 (D) #2741 #1864 #2786-N (shaft)#2544 #1780090 (ea.)Front#2740 #2776#2787-D,E (shaft) #1780100 (ea.)RearXRC-18MM #1857 #1828 #1855-N (shaft) #2546 #1380090 (ea.) #1829 #2819XRC-20MM #1887 #1828 #1855-N (shaft) #2547 #1380150 (ea.) #1815 #2820XRCA-18MM #1857 #1828 #1855-N (shaft)#2546 #1380090 (ea.) #1829 #2819#1856-E (shaft)XRCA-20MM #1887 #1828 #1855-N (shaft)#2547 #1380150 (ea.) #1815 #2820#1856-E (shaft)XRCV-18MM #1857 #1828 #1856-D,E (shaft) #2546 #1380090 (ea.) #1829 #2819XW-20MM #2782 #2780 #2781 #2542 #2784 N/A #2778XW-22MM #2783 #2780 #2781 #2543 #2785 N/A #2779 10XWA-20MM #2782 #2780 #2781 #2542 #2784 N/A #2778XWAM-20MM N09-00027#2278 #2780 #2781 #2288 #2279 N/A N/AN09-00035XWA-22MM #2783 #2780 #2781 #2543 #2785 N/A #2779XWL-28MM N09-00049 #1853 #2780 #2781 #1849 #2507 #820640 (ea.) #2036RK-18MM N09-00053 #1857 #2864 #1855-N (shaft) #2546 #1380090 (ea.) #1829 #2819RK-20MM N09-00043 (N) #1887 #2864 #1855-N (shaft) #2547 #1380150 (ea.) #1815 #2820N09-00048 (E)#1855-N (shaft) RKA-18MM N09-00059 (N)#1857 #2864 #1856-E (shaft) #2546 #1380090 (ea.) #1829 #2819N09-00071 (N)RKA-20MM #1887 #2864 #1855-N (shaft) #2547 #1380150 (ea.) #1815 #2820RKV-18MM N09-00050 #1857 #1828 #1856 #2546 #1380090 (ea.) #1829 #2819 SECTION 10#1941350 (ea.) SXW-18MM N09-00037 #2874#2871 #2873 #2872 #1940950 (ea.) & #1941190 (ea.) N/AMM = Piston Size *All AR Kits are 4 digits long. It takes one kit per pump. All other part #s more than 4 digits long are listed as (ea.).63'