Designed for BUICK, CADILLAC, CHEVROLET, GMC, HUMMER, OLDSMOBILE, OPEL, PONTIAC, SATURN, this OE-certified seal ring & set (Part No. 12661724) ensures leak-proof operation in engines, transmissions, and hydraulic systems. Perfect for automotive, heavy-duty trucks, agricultural machinery, and industrial equipment applications.
Multi-Material Durability: Nitrile rubber + steel core withstands -40°C to 120°C and 45MPa pressure
Precision Fit: 0.01mm tolerance for GM-series engines and hydraulic pumps
Extended Lifespan: 3x longer than standard seals under heavy-duty conditions
Hydraulic oil leakage near boom cylinder
10% efficiency loss in lifting operations
Diagnosed failed main seal (Part 438-5385)
Replaced with OE 12661724 seal set
Pressure-tested system at 40MPa for 2 hours
Result: Zero leakage, 100% operational recovery
As a global leader in engineering machinery parts, heavy truck components, agricultural equipment parts, and auto parts, we provide:
100% OEM-standard manufacturing
48-hour global emergency delivery
18-month quality warranty
| # | Product Title | Part Number | Brand |
|---|---|---|---|
| 1 | Fuel Injector for Cummins QSK23 | 4902827 | Cummins |
| 2 | Fuel Pump Assembly for Cummins QSX15 | 4077088,4001993 | Cummins |
| 3 | Upper Overhaul Kit for QSK60 (4 sets per truck) | 4376323,4089200 | Cummins |
| 4 | Pressure Sensor | 3408589,6560617102 | Cummins |
| 5 | Pressure Sensor for N14 | 4359572,4902720 | Cummins |
| 6 | Wiring Harness | 3639664 | Cummins |
| 7 | ECU Wiring Harness for QSK60 | 3637074,4086487 | Cummins |
| 8 | Pressure Sensor for ISM11 | 3408591,3080416 | Cummins |
| 9 | Relay Switch for QST30 | 3633715 | Cummins |
| 10 | Pressure Switch for K38 | 4924925 | Cummins |
| 11 | Sensor for QSK60 | 2894868,3408562 | Cummins |
| 12 | Electronic Control Module for QST30 | 4954430 | Cummins |
| 13 | Wiring Harness Repair Kit | 569370900,5693709 | Cummins |
| 14 | Wiring Harness Repair Kit | 569371000,5693710 | Cummins |
| 15 | Transfer Pump Kit | 569371100,5693711 | Cummins |
| 16 | Engine Piston Repair Kit | 569372400,5693724 | Cummins |
| 17 | Overhaul Kit | 569373700,5693737 | Cummins |
| 18 | Overhaul Kit | 569373800,5693738 | Cummins |
| 19 | Cylinder Block Repair Kit | 569373900,5693739 | Cummins |
| 20 | Cylinder Block Repair Kit | 569374000,5693740 | Cummins |
| 21 | Engine Piston Repair Kit | 569375700,5693757 | Cummins |
| 22 | Actuator Valve Kit | 569375800,5693758 | Cummins |
| 23 | Lubricating Oil Pump | 567985400,5679854 | Cummins |
| 24 | Service Repair Kit | 569378200,5693782 | Cummins |
| 25 | Flywheel Housing Repair Kit | 569378400,5693784 | Cummins |
| 26 | Flywheel Housing Repair Kit | 569378500,5693785 | Cummins |
| 27 | Intake Valve Repair Kit | 569378600,5693786 | Cummins |
| 28 | Exhaust Valve Repair Kit | 569378700,5693787 | Cummins |
| 29 | Exhaust Recirculation Cooler Kit | 569378900,5693789 | Cummins |
| 30 | Flywheel Housing Repair Kit | 569379300,5693793 | Cummins |
| 31 | Engine Piston Repair Kit | 569380200,5693802 | Cummins |
| 32 | Overhaul Kit | 569381100,5693811 | Cummins |
| 33 | Overhaul Kit | 569381200,5693812 | Cummins |
| 34 | Overhaul Kit | 569381400,5693814 | Cummins |
| 35 | Overhaul Kit | 569381500,5693815 | Cummins |
| 36 | Overhaul Kit | 569381600,5693816 | Cummins |
| 37 | Overhaul Kit | 569383100,5693831 | Cummins |
| 38 | Overhaul Kit | 569383200,5693832 | Cummins |
| 39 | Overhaul Kit | 569383300,5693833 | Cummins |
| 40 | Water Pump Repair Kit | 569385100RX,5693851RX | Cummins |
| 41 | Water Pump Repair Kit | 569386000,5693860 | Cummins |
| 42 | Water Pump Repair Kit | 569386000RX,5693860RX | Cummins |
| 43 | Exhaust Recirculation Cooler Kit | 569391500,5693915 | Cummins |
| 44 | Connecting Rod Bearing Kit | 569391600,5693916 | Cummins |
| 45 | Gear Housing Kit | 569392300,5693923 | Cummins |
| 46 | Gear Housing Kit | 569392400,5693924 | Cummins |
| 47 | Water Pump Repair Kit | 569395500,5693955 | Cummins |
| 48 | Cylinder Repair Kit | 569395700,5693957 | Cummins |
| 49 | V Ribbed Belt | 569019100,5690191 | Cummins |
| 50 | Air Intake Manifold Kit | 569402200,5694022 | Cummins |
| 51 | Injector Repair Kit | 569404000,5694040 | Cummins |
| 52 | Exhaust Manifold Kit | 569405300,5694053 | Cummins |
| 53 | Cylinder Head | 569455000,5694550 | Cummins |
| 54 | Cylinder Head | 569455000RX,5694550RX | Cummins |
| 55 | Nitrogen Oxide Sensor | 569848000,5698480 | Cummins |
| 56 | Governor Kit | 570873900,5708739 | Cummins |
| 57 | Mounting Spacer | 571979600,5719796 | Cummins |
| 58 | Aftercooler Kit | 630481200,6304812 | Cummins |
| 59 | Aftercooler Kit | 630481400,6304814 | Cummins |
| 60 | Wiring Harness Repair Kit | 630876200,6308762 | Cummins |
| 61 | Overhaul Kit | 631507300RX,6315073RX | Cummins |
| 62 | Flexible Hose | AK0400920SS,AK400920SS | Cummins |
| 63 | Liner Repair Kit | 569370600,5693706 | Cummins |
| 64 | Flexible Hose | AK0401500SS,AK401500SS | Cummins |
| 65 | Intake Valve Repair Kit | 569378100,5693781 | Cummins |
| 66 | Starter Kit | 569400700,5694007 | Cummins |
| 67 | Flexible Hose | AK0401000SS,AK401000SS | Cummins |
| 68 | Flexible Hose | AK0401600SS,AK401600SS | Cummins |
| 69 | Flexible Hose | AK0403800SS,AK403800SS | Cummins |
| 70 | Flexible Hose | AK0405000SS,AK405000SS | Cummins |
| 71 | Flexible Hose | AK0405200SS,AK405200SS | Cummins |
| 72 | Flexible Hose | AK0405400SS,AK405400SS | Cummins |
| 73 | O Ring Seal | 567190800,5671908 | Cummins |
| 74 | Mounting Support | 567190900,5671909 | Cummins |
| 75 | Vibration Isolator | 567191000,5671910 | Cummins |
| 76 | Check Valve | 567194100,5671941 | Cummins |
| 77 | Connection Gasket | 567194200,5671942 | Cummins |
| 78 | Connection Gasket | 567194300,5671943 | Cummins |
| 79 | Diaphragm | 567194400,5671944 | Cummins |
| 80 | Cable Connector | 567194500,5671945 | Cummins |
| 81 | Rectangular Ring Seal | 567194600,5671946 | Cummins |
| 82 | Banjo Connector Screw | 567195000,5671950 | Cummins |
| 83 | Nitrogen Oxide Sensor | 567337700,5673377 | Cummins |
| 84 | Hex Flange Head Cap Screw | 567966400,5679664 | Cummins |
| 85 | Studded Flange Cap Screw | 567966500,5679665 | Cummins |
| 86 | Nitrogen Oxide Sensor | 567970100,5679701 | Cummins |
| 87 | Cylinder Head | 565830200,5658302 | Cummins |
| 88 | Lubricating Oil Pump | 567996900,5679969 | Cummins |
| 89 | Lubricating Oil Pump | 568002300,5680023 | Cummins |
| 90 | Lubricating Oil Pump | 568003900,5680039 | Cummins |
| 91 | Valve Seat Insert | 568072400,5680724 | Cummins |
| 92 | Valve Seat Insert | 568072500,5680725 | Cummins |
| 93 | Valve Seat Insert | 568072600,5680726 | Cummins |
| 94 | Valve Seat Insert | 568072700,5680727 | Cummins |
| 95 | Valve Seat Insert | 568072800,5680728 | Cummins |
| 96 | Lubricating Oil Pump | 568115100,5681151 | Cummins |
| 97 | Compressor Air Inlet Tube | 568211300,5682113 | Cummins |
| 98 | Tube Brace | 568577900,5685779 | Cummins |
| 99 | Adapter Connection | 568790600,5687906 | Cummins |
| 100 | Air Inlet Tube | 568855800,5688558 | Cummins |
| 101 | Air Inlet Tube | 568855900,5688559 | Cummins |
| 102 | Dipstick | 568858800,5688588 | Cummins |
| 103 | Cylinder Head | 565830200RX,5658302RX | Cummins |
| 104 | Engine Piston Repair Kit | 569370000,5693700 | Cummins |
| 105 | Transfer Pump Kit | 569370400,5693704 | Cummins |
| 106 | ETR Harness | 566196500,5661965 | Cummins |
| 107 | Fuel Pump for QST30 Left | 2881834 | Cummins |
| 108 | Fuel Pump for QST30 Right | 3093636 | Cummins |
