DD15 Crankcase Ventilation Oil Separator | OE A4700100462/4700100462 A4700102870/4700102870 A4700180080/4700180080 | Fits Cascadia Western Star Benz | Leak-Proof

This Unbranded Crankcase Ventilation Oil Separator is specially engineered and manufactured for Detroit DD15 heavy-duty diesel engines, serving as a perfect OEM replacement for your failed factory breather assembly.Full Fitment & Compatibility: - Engine: Detroit Diesel DD15 14.8L Engine (2008-2020 All Versions) - Vehicle: Freightliner Cascadia (2008-2020) with Detroit DD15 Engine - Vehicle: Western Star 4700SB, 4900EX, 5700XE (2008-2020) with Detroit DD15 Engine - Vehicle: Mercedes-Benz Actros Heavy-Duty Trucks with Detroit DD15 Engine Replaces All OEM Part Numbers: A4700100462, 4700100462, A4700102870, 4700102870, A4700180080, 4700180080Our DD15 crankcase oil separator adopts an upgraded leak-proof design and premium materials, effectively solving the common defects of original factory parts. It efficiently separates oil mist from crankcase ventilation gas, recovers engine oil, reduces oil consumption, and keeps the engine intake system clean. The reinforced diaphragm and high-strength aluminum housing prevent cracking and oil leakage even under long-term high-temperature and high-pressure working conditions, ensuring normal crankcase pressure and protecting your engine and turbocharger from premature damage.Full Package Included: 1 x Crankcase Ventilation Oil Separator (Main Assembly) 1 x OEM-Matched Sealing Gasket 1 x Installation Instruction ManualAll of our heavy-duty DD15 engine replacement parts are 100% tested before leaving the factory, including air tightness test, pressure resistance test, and high temperature cycle test, to ensure each product meets or exceeds OEM standards. We are committed to providing high-quality replacement parts for truck owners, fleet operators, and professional repair shops, with a 12-month hassle-free warranty for all products.

• ✅【Perfect OEM Fit for Detroit DD15 Engine】This Unbranded crankcase ventilation oil separator is 1:1 designed for 2008-2020 Detroit DD15 14.8L diesel engines, fully compatible with OEM part numbers A4700100462, 4700100462, A4700102870, 4700102870, A4700180080, 4700180080. Directly fits Freightliner Cascadia, Western Star 4700/4900/5700XE, Mercedes-Benz Actros heavy-duty trucks, no modification required.
• ✅【Leak-Proof Upgrade & Long-Lasting Durability】Upgraded DD15 crankcase oil separator features precision-machined aluminum housing and high-density reinforced diaphragm, solving the common failure of original parts: housing cracking, oil leakage, abnormal crankcase pressure. 100% pressure and air tightness tested before delivery, maintains stable performance under heavy-duty long-haul working conditions.
• ✅【OEM Standard Premium Quality】Manufactured under strict ISO 9001 quality management system, this DD15 crankcase breather assembly uses high-temperature corrosion-resistant materials, meets or exceeds OEM specifications. Effectively separates oil from crankcase gas, reduces engine oil consumption, prevents turbo damage, extends your DD15 engine service life.
• ✅【Easy Installation & Complete Accessories】This DD15 oil separator comes with a full set of OEM-matched sealing gasket and all required installation accessories, no extra parts need to be purchased. Direct bolt-on replacement, can be completed quickly by professional mechanics, greatly reducing your truck downtime and maintenance costs.
• ✅【12-Month Worry-Free Warranty】We provide a 12-month hassle-free warranty for this Detroit DD15 crankcase ventilation separator. If there is any quality problem, fitment issue or functional failure during use, we offer free replacement or refund. Our 24/7 professional technical team supports truck owners, fleet operators, and repair shops.