2478790 Hydraulic Cylinder Seal Kit for Hydraulic Cylinder

Overview

The CAT 2478790 sealing kit is designed for excavator bucket hydraulic cylinder repair and maintenance. It provides reliable sealing performance, helps prevent oil leakage, and maintains efficient cylinder operation. Built for durability, this aftermarket kit supports stable performance in demanding excavation, construction, and heavy-duty working conditions.

This high-quality direct replacement seal kit includes rod seal, buffer ring, wiper/scraper seal, piston seal, backup ring, guide ring, and O-rings. It is suitable for E324D L, E325D L, E325D LN, E330D, E336D L bucket cylinder applications, and also supports multiple compatible Caterpillar excavator models.

Solution

For excavators with bucket cylinder leakage, worn seals, reduced digging efficiency, or unstable hydraulic movement, the CAT 2478790 sealing kit provides a reliable aftermarket repair solution. It helps restore sealing efficiency, reduce maintenance downtime, protect hydraulic cylinder components, and keep excavators working smoothly in earthmoving, quarrying, construction, and material handling applications.

Key Features

Perfect sealing performance
Outstanding durability support
Easy installation design
Smooth bucket operation
Complete seal components
Fast delivery support

Compatible Equipment Models

Kits Number	Rod x Bore	Kits Number	Rod x Bore	Kits Number	Rod x Bore	Kits Number	Rod x Bore
0860174	75*100	1659419	95*130	2304001	110*180	2668012	100*140
0919842	45*90	1659420	80*110	2316844	115*170	2668013	95*135
0933045	50*90	1680758	140*150	2316845	115*170	2668014	90*130
0938385	70*110	1680759	110*160	2330761	95*130	2668015	100*140
0938388	80*120	1680760	110*160	2330763	100*170	2668016	105*150
0938390	65*110	1697826	75*110	2332622	50*100	2668045	95*135
0939941	90*140	1697827	60*90	2344442	110*170	2668057	85*120
0940691	85*125	1697828	55*80	2344488	95*135	2714484	40*65
0941910	100*140	1697829	55*100	2344566	100*140	2742460	110*160
0942697	100*150	1697830	65*100	2344576	105*150	2742461	130*190
0942698	110*160	1697835	80*120	2344587	95*135	2742462	110*170
0964395	85*120	1697836	70*100	2344674	110*160	2742511	85*120
0964396	95*130	1697837	75*110	2366368	85*120	2742515	100*140
0966457	75*115	1697838	80*120	2366389	85*120	2742526	90*130
0967625	65*100	1697839	65*100	2426840	105*150	2742649	95*130
0967786	75*110	1709827	70*100	2470257	90*130	2773395	55*95
0967799	80*120	1709937	75*110	2478790	85*120	2774140	50*85
0995310	75*100	1709941	65*100	2478792	100*140	2774167	45*75
0995311	80*120	1709946	80*120	2478868	85*120	2774178	50*85
0995312	65*100	1709999	80*120	2478878	100*140	2788641	45*80
0995401	70*100	1764912	85*120	2478888	85*120	2790639	50*85
0996978	60*90	1764913	100*140	2478974	100*140	2812323	50*80
0997004	55*80	1764914	90*130	2478995	80*110	2897716	80*120
1052585	90*130	1764935	65*100	2478996	85*120	2897733	90*130
1052601	85*130	1764999	95*130	2478998	85*120	2897885	90*130
1057253	55*80	1799625	80*110	2479000	85*120	2959894	110*170
1057255	75*110	1799634	85*120	2479001	85*120	2959895	130*180
1057359	80*110	1799638	70*100	2481165	100*140	2976850	50*100
1057397	70*100	1799772	90*130	2481168	105*150	3087824	105*150
1057480	55*100	1850223	85*125	2502475	105*150	3087830	110*160
1148290	80*120	1855574	95*160	2502485	100*140	3087841	65*130
1163529	150*220	1884219	105*150	2502486	90*130	3198295	115*170
1163612	105*150	1913170	110*170	2502487	85*120	3206346	65*100
1163649	110*170	1915619	105*150	2519341	100*170	3249485	105*150
1184024	100*140	1915649	115*170	2519845	40*70	3319328	130*190
1184131	85*120	1934321	50*85	2521191	95*160	3338675	110*170
1184175	90*130	1934322	50*90	2526101	90*160	3338750	110*160
1186023	85*120	1934323	45*75	2560317	80*110	3350007	80*120
1195435	75*110	1934324	50*100	2560318	75*110	3446336	90*130
1195446	80*120	1934325	50*80	2560319	75*140	3494119	75*110
1195457	65*100	1948235	110*160	2567093	100*160	3494120	80*120
1211405	70*100	1948363	100*140	2580313	85*130	3494121	70*100
1247005	85*160	1948366	105*150	2590625	90*130	3494122	80*120
1247009	80*110	1948396	110*160	2590626	90*130	3500962	85*120
1261887	90*130	1989433	55*100	2590627	90*130	3500967	85*120
1261937	85*120	1990609	55*85	2590628	90*130	3500971	100*140
1261947	85*120	1991149	45*75	2590630	95*130	3500973	100*140
1261979	130*190	1997416	105*150	2590631	100*140	3629412	95*160
1270630	100*140	1997417	110*170	2590632	100*140	3747255	55*100
1289277	105*150	2003495	140*200	2590633	100*140	3764331	105*150
1289278	110*170	2003496	150*220	2590634	100*140	3764332	105*150
1289280	110*160	2003498	130*190	2590635	100*140	3764333	115*170
1336646	80*110	2003572	110*160	2590636	105*150	3764334	105*150
1336823	100*140	2003621	130*190	2590637	105*150	3764336	110*160
1347123	85*125	2003621	130*190	2590648	100*140	3808347	85*140
1373763	85*120	2042721	110*160	2590650	105*150	3852908	80*110
1373764	100*140	2043616	100*140	2590656	95*135	3852946	80*110
1373765	90*130	2043625	85*120	2590665	95*135	3904196	75*110
1373766	100*140	2043626	100*140	2590678	90*130	3933606	2″x4-1/4
1373767	105*150	2043627	85*120	2590695	85*120	3937887	75*110
1373768	90*130	2043628	85*125	2590699	100*140	3937949	80*120
1438153	65*100	2043630	90*130	2590706	85*120	3944846	50*85
1475740	140*200	2043692	85*120	2590712	90*130	3944848	50*85
1540728	85*120	2063805	45*65	2590719	90*130	3944852	45*75
1540735	100*140	2089505	150*220	2590725	100*140	3949688	75*130
1540744	85*120	2095874	100*140	2590729	105*150	4195876	130*180
1540748	90*130	2095959	95*130	2590743	105*150	4308943	100*140
1540757	90*130	2095963	80*110	2590751	110*160	4308944	85*120
1540761	100*140	2119614	90*130	2590756	110*160	4308945	130*180
1540766	105*150	2144502	100*140	2590768	115*170	4308946	110*160
1540773	90*130	2159984	95*130	2590774	95*135	4308947	85*120
1560625	130*180	2159985	100*140	2590775	100*140	4308949	65*100
1560626	140*200	2159986	90*130	2590776	90*130	4308950	75*110
1560627	150*220	2159988	110*160	2590779	105*150	4308951	65*100
1560656	110*160	2159989	110*160	2605317	80*110	4308952	80*120
1589093	100*140	2159990	110*170	2605318	75*110	4308954	150*220
1624675	80*110	2159995	140*200	2667806	85*120	4308956	95*160
1624676	85*120	2159996	130*180	2667812	95*130	4308957	70*100
1624677	70*100	2168100	45*70	2667861	80*110	4308958	90*130
1645174	100*140	2171007	105*180	2667874	85*120	4308959	105*150
1654342	50*90	2199066	55*95	2667891	85*120	4308960	85*120
1659416	130*190	2254625	110*160	2667892	85*120	4308961	95*130
1659418	85*120	2254646	130*190	2668011	85*120

* All manufacturer's names, part numbers, and descriptions are used for reference purposes only. We do not imply that any part shown is the product of these manufacturers.

Shipping Information

We ship worldwide via DHL, FedEx, UPS, TNT, and EMS for small orders, and by sea freight for bulk orders. Standard delivery time is 5–7 working days for small orders and 15–30 days for sea freight.

All products are carefully packaged in neutral packaging with foam protection to prevent damage during transit. Custom packaging with your branding is available for OEM orders.

Payment Terms

We accept multiple payment methods for your convenience. For new customers, we typically require 100% advance payment for small orders. For established partnerships, we offer flexible terms including 30% deposit with balance before shipping.