Industrial engine sealing · OEM/ODM supply
Cummins Engine Oil Seals & Gasket Kits
A practical selection for crankshaft sealing, engine overhaul and leak-prevention maintenance—organized by product name, part number and size for faster sourcing.
121product references
4BT–ISGmultiple engine families
OEM / ODMcustomized supply support
The sealing challenge
Stop leakage before it becomes downtime.
Incorrect part numbers, mismatched dimensions and mixed engine families can delay a repair. This range combines crankshaft oil seals, gaskets, sealing rings and repair kits in one clear reference list.
Match preciselySelect by engine family, part number and size.
Maintain reliablySeal against oil loss, dust ingress and contamination.
Source simplyConsolidate oil seals, gaskets and overhaul kits.
Product advantages
Built for industrial maintenance and aftermarket supply.
01
Crankshaft sealing
Front and rear crankshaft oil seal references for widely used engine platforms.
02
Gaskets & seal rings
Supporting gaskets and rings for assembly sealing and overhaul service.
03
Repair kits & tools
Upper/lower gasket kits plus installation and maintenance-related references.
04
OEM/ODM service
Material, dimensions, packaging and marking can be discussed for your market.
Technical reference
Model & part number list
Use this table as a sourcing reference. Confirm engine model, part number and dimensions before ordering.
| No. | Product Name | Part No. | Size (mm) |
|---|---|---|---|
| 1 | 6BT Front Crankshaft Oil Seal | 3900709 | 79.6*65.3*8 |
| 2 | 6BT Front Crankshaft Felt Oil Seal | 3900709 | 79.6*63.5*8 |
| 3 | 6BT Rear Crankshaft Oil Seal | 3925529 | 130*150*14.5 |
| 4 | 6CT Front Crankshaft Oil Seal | 3921927 | 75*93*8 |
| 5 | 6L Front Crankshaft Oil Seal | 3968562 | 75*93*10 |
| 6 | 6L Rear Crankshaft Oil Seal | 3968563 | 130*150*14 |
| 7 | ISDE Front Crankshaft Oil Seal | 4890832 | 70*100*12.5/16 |
| 8 | ISBE Rear Crankshaft Oil Seal | 4890833 | 130*155*12.5/16 |
| 9 | ISF2.8 Front Crankshaft Oil Seal | 5265266 | 50.3*65*8/10 |
| 10 | ISF2.8 Rear Crankshaft Oil Seal | 5265267 | 110*125*12/14 |
| 11 | ISG Front Crankshaft Oil Seal | 3693459 | 85*102 |
| 12 | ISG Rear Crankshaft Oil Seal | 3693669 | 110*125 |
| 13 | Renault Front Crankshaft Oil Seal | D501 295829 | 90*120*11 |
| 14 | Renault Rear Crankshaft Oil Seal | D501 0295831 | 160*190*13 |
| 15 | 4H Front Crankshaft Oil Seal | 3685173 | 70*100*10 |
| 16 | NT855 Front Crankshaft Oil Seal | 3006736 | — |
| 17 | NT855 Rear Crankshaft Oil Seal | 3006737 | 152.4*171.5*12.7 |
| 18 | NT855 Rear Crankshaft Oil Seal | 3006738 | — |
| 19 | NT855 Accessory Drive Oil Seal | 3004316 | — |
| 20 | M11 Fan Bracket Oil Seal | 3027675 | — |
| 21 | Caterpillar Front Crankshaft Oil Seal | 9Y9895 | — |
| 22 | Caterpillar Crankshaft Oil Seal | 2W1733 | — |
| 23 | Caterpillar Crankshaft Oil Seal | 2W1734 | — |
| 24 | Caterpillar Rear Crankshaft Oil Seal | 4W0452 | — |
| 25 | Rear Crankshaft Oil Seal Assembly | 3926126 | — |
| 26 | Front Crankshaft Oil Seal Assembly | 3925343 | — |
| 27 | Front Crankshaft Oil Seal Assembly | 3802820 | — |
| 28 | 6C New-Type Rear Crankshaft Oil Seal | 3933262 | — |
| 29 | Rear Crankshaft Oil Seal | 4936646 | — |
| 30 | Thermostat Seal Ring | 3084879 | — |
| 31 | M11 Rear Crankshaft Oil Seal | 4923644/4089542 | — |
| 32 | M11 Front Crankshaft Oil Seal | 4955665 | — |
| 33 | M11 Accessory Drive Oil Seal | 3804304 | — |
| 34 | M11 Water Pump Oil Seal | 3803894 | — |
| 35 | Concrete Mixer Truck Oil Seal | 3883620 | — |
| 36 | Crankshaft Oil Seal | 3800969 | — |
| 37 | C300 Concrete Mixer Truck Oil Seal | 4205010-K0903-05 | — |
| 38 | Oil Seal | 1425868 | — |
| 39 | Oil Seal | 1425867 | — |
| 40 | Oil Seal | 1192921 | — |
| 41 | Oil Seal | 1154109 | — |
| 42 | Oil Seal | — | 99*115*10 |
| 43 | 6CT Piston Cooling Nozzle 230 | 3937214 | — |
| 44 | 6CT Piston Cooling Nozzle 240 | 3928031 | — |
| 45 | 6BT Piston Cooling Nozzle 210 | 3919002 | — |
| 46 | 6BT Piston Cooling Nozzle 160 | 3901020 | — |
| 47 | K19 Piston Cooling Nozzle | 3007517 | — |
| 48 | NT855 Piston Cooling Nozzle | 3013591 | — |
| 49 | Wet Turbocharger Gasket | 3921926 | — |
| 50 | NT855 Cylinder Head Gasket | 4058790 | — |
| 51 | NT855 Exhaust Manifold Gasket | 3069100/3020943 | — |
| 52 | NT855 Lock Plate | — | — |
| 53 | ISG Oil Cooler Housing Gasket | 3696552 | — |
| 54 | ISG Oil Pump Gasket | 3695642 | — |
| 55 | ISDE Fuel Transfer Pump Gasket | 3939258 | — |
| 56 | ISDE Air Compressor Front Gasket | 4896897 | — |
| 57 | Oil Suction Pipe Gasket | 4898301 | — |
| 58 | Vane Pump Gasket | 4988280 | — |
| 59 | Renault Water Pump Gasket | — | — |
| 60 | QSB Oil Cooler Gasket | 2831077 | — |
| 61 | QSB | 3864458 | — |
| 62 | ISBE Oil Cooler Core Gasket | 2830559 | — |
| 63 | ISBE Oil Cooler Base Gasket | 3974127 | — |
| 64 | 6C Oil Cooler Core Solid Gasket | 3929011 | — |
| 65 | 6C Oil Cooler Core Hollow Gasket | 3918174 | — |
| 66 | 6B Oil Cooler Core Solid Gasket | 3942915 | — |
| 67 | 6B Oil Cooler Core Hollow Gasket | 4932124 | — |
| 68 | ISDE Oil Cooler Core Solid Gasket | 4896409 | — |
| 69 | ISDE Oil Cooler Core Hollow Gasket | 4895742 | — |
| 70 | Gear Housing Gasket | 3944293 | — |
| 71 | 6L Vibration Damper Gasket | 3959799 | — |
| 72 | ISDE Vibration Damper Gasket | 4899239 | — |
| 73 | 6B Vibration Damper Gasket | 3935449 | — |
| 74 | Renault Vibration Damper Gasket | — | — |
| 75 | M11 Vibration Damper Gasket | 3899798 | — |
| 76 | ISF3.8 Seal Ring | 4938765 | 24*40*7 |
| 77 | ISF3.8 Seal Ring | 4940584 | — |
| 78 | ISF2.8 Seal Ring | 5255314 | — |
| 79 | ISF2.8 Seal Ring | 5255313 | 21*36*6.5 |
| 80 | ISDE Oil Filler Cap | 4895459 | — |
| 81 | 6L Oil Filler Cap | 3968202 | — |
| 82 | ISF3.8 Oil Filler Cap | 4946237 | — |
| 83 | Renault Oil Filler Cap | FE8664 | — |
| 84 | Construction Machinery / Generator Set Oil Filler Cap | 101322 | — |
| 85 | 6C Sealing Sleeve | 3909886 | — |
| 86 | Breather Connector | — | — |
| 87 | 6B Rear Crankshaft Seal Installation Tool | 3909409 | — |
| 88 | 6B Front Crankshaft Seal Installation Tool | 3922600 | — |
| 89 | 6C Front Crankshaft Seal Installation Tool | 3920405 | — |
| 90 | Renault Bolt | D5010477010 477011 | — |
| 91 | 4BT Upper Engine Gasket Kit | 3804896/4089648 | — |
| 92 | 4BT Lower Engine Gasket Kit | 3802375 | — |
| 93 | 6BT Upper Engine Gasket Kit | 3804897/4089649 | — |
| 94 | 6BT Lower Engine Gasket Kit | 3802376 | — |
| 95 | ISDE 4-Cylinder Upper Engine Gasket Kit | 4955356 | — |
| 96 | ISDE 4-Cylinder Lower Engine Gasket Kit | 4955375 | — |
| 97 | ISDE 6-Cylinder Upper Engine Gasket Kit | 4955229 | — |
| 98 | ISDE 6-Cylinder Lower Engine Gasket Kit | 4955230 | — |
| 99 | 6CT Upper Engine Gasket Kit | 4025271 | — |
| 100 | 6CT Lower Engine Gasket Kit | 3800558 | — |
| 101 | 6L Upper Engine Gasket Kit | 4089758 | — |
| 102 | 6L Lower Engine Gasket Kit | 4089759 | — |
| 103 | QSB5.9 Upper Engine Gasket Kit | 4090035 | — |
| 104 | QSB5.9 Lower Engine Gasket Kit | 3800833 | — |
| 105 | QSL Upper Engine Gasket Kit | 4089978 | — |
| 106 | QSL Lower Engine Gasket Kit | 4089979 | — |
| 107 | ISDE 4-Cylinder Upper Engine Gasket Kit | 4025107 | — |
| 108 | ISDE 4-Cylinder Lower Engine Gasket Kit | 4025108 | — |
| 109 | ISDE 6-Cylinder Upper Engine Gasket Kit | 4025138 | — |
| 110 | ISDE 6-Cylinder Lower Engine Gasket Kit | 4025138 | — |
| 111 | NT855 Upper Engine Gasket Kit | 3801330 | — |
| 112 | NT855 Lower Engine Gasket Kit | 3801468 | — |
| 113 | M11 Upper Engine Gasket Kit | 4089478 | — |
| 114 | M11 Lower Engine Gasket Kit | 4089998 | — |
| 115 | K19 Upper Engine Gasket Kit | 3803598 | — |
| 116 | K19 Lower Engine Gasket Kit | 3801007 | — |
| 117 | ISF3.8 Engine Repair Kit | — | — |
| 118 | ISF2.8 Engine Repair Kit | — | — |
| 119 | Renault Engine Repair Kit | — | — |
| 120 | ISG Upper Engine Gasket Kit | — | — |
| 121 | ISG Lower Engine Gasket Kit | — | — |
Part numbers are provided for identification reference. Please send photos, dimensions or OEM numbers for final confirmation.
Applications
For engine repair, overhaul and parts distribution.
Repair workshops
Rapid replacement selection for leak repair and scheduled engine maintenance.
Fleet & equipment service
Support for construction, agricultural, commercial and industrial engines.
Importers & distributors
Broad product coverage with consolidated sourcing and customizable packaging.
Supply confidence
Confirm first. Supply correctly.
We verify the product against the customer’s reference before production or shipment, helping reduce mismatches and avoid unnecessary downtime.
- Part number and dimension verification
- Real-product structure and material confirmation
- Factory supply and batch order support
- Custom sizes, materials and packaging available