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X15 ISX15 QSX15 Lower Engine Gasket Set Complete Bottom Seal Kit Description
Product Overview
X15 Lower Engine Gasket Set is a professional OEM-grade bottom-end sealing solution specially engineered for X15, ISX15 and QSX15 heavy-duty diesel engines. This complete lower seal package covers all essential gaskets, oil seals and rubber sealing components required for bottom-end engine overhaul and in-frame repair. It effectively eliminates common lower engine faults including crankshaft oil leakage, oil pan seepage, gear housing leakage, coolant seal failure and lower compartment air leaks. Manufactured with high-strength oil-resistant rubber, reinforced composite paper and pressure-tolerant sealing materials, this lower gasket kit delivers exceptional durability under extreme high-load, high-temperature and long-haul working conditions, perfectly matching heavy-duty truck and industrial engine original performance standards.
Compatible Engine & Equipment Applications
This lower gasket set is precisely calibrated for X15 / ISX15 / QSX15 15L heavy-duty turbo diesel engines (CM2250, CM2350 control modules), widely applied in mainstream heavy-duty commercial and industrial equipment:
Heavy-Duty Semi Trucks: Kenworth T680, Peterbilt 579, Freightliner Cascadia, Vo lvo VNL, International LT series highway trucks
Construction Machinery: Large loaders, mining equipment, heavy excavators and industrial pumping units
Power Generation Units: QSX15 stationary industrial generator sets and mobile heavy-duty power equipment
Marine & Off-Road Machinery: Commercial marine auxiliary engines and large off-road engineering machinery
Official OEM Part Numbers
Item Description
OEM Part Number
Complete Lower Gasket Set
2881766 / 4955591
Alternative Lower Repair Kit
4955590
Gear Housing Gasket
3685510
Kit Components List
This X15 lower gasket kit includes 100% complete bottom-end sealing parts for full lower engine overhaul, no missing parts or additional accessories needed:
Crankshaft front & rear heavy-duty oil seals
Full oil pan sealing gasket and rubber cushion set
Gear housing gasket and auxiliary sealing gaskets
Oil cooler gasket and lower cooling system seals
Lower timing housing gaskets and sealing rings
Auxiliary lower engine paper gaskets and O-ring kits
All bottom-end rubber seals and wear-resistant sealing components
Key Features & Advantages
Exact OEM Matching: Manufactured strictly in accordance with cum-mins OEM dimensional standards, supporting direct bolt-on installation without cutting or modification, fully compatible with original X15 series engines.
Heavy-Duty Sealing Performance: Adopts upgraded oil-proof and high-temperature resistant materials, specially designed for 15L large-displacement heavy-load engines, effectively resisting high pressure and preventing oil leakage under long-distance transportation and heavy working loads.
High Cost Performance: Effectively repairs lower engine oil leakage faults, avoids secondary maintenance, reduces equipment downtime and long-term operating costs, and extends engine service life.
Important Compatibility Notes
This lower gasket set is exclusively suitable for cum-mins X15, ISX15 and QSX15 15L heavy-duty diesel engines (CM2250/CM2350). It cannot be interchanged with other engine series such as ISF2.8, ISF3.8, ISDE6, 6BT and 6CT due to different engine displacement, bottom structure and sealing specifications. Please confirm your exact engine model, control module and OEM part number before ordering to avoid installation mismatch and mechanical failure.
Warranty & Service
X15 lower gasket sets. Every product undergoes strict factory inspection for material quality, dimensional accuracy and compression resistance, providing long-lasting and stable bottom-end sealing protection for heavy-duty trucks, mining machinery and industrial power equipment.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Ecer Certification：
Verified Supplier
Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu... Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu...
