84257137 Engine Coolant Overflow Recovery Reservoir Radiator Expansion Tank with Cap, Hose & Sensor, Fit for 17-21 V8 6.6L Chevy Silverado GMC Sierra 2500HD 3500HD 4500HD 5500HD 6500HD

·Compatible With:Chevy2017 - 2019 Silverado 2500 HD V8 6.6L2017 - 2019 Silverado 3500 HD V8 6.6L2019 - 2021 Silverado 4500 HD V8 6.6L2019 - 2021 Silverado 5500 HD V8 6.6L2019 - 2021 Silverado 6500 HD V8 6.6LGMC2017 - 2019 Sierra 2500 HD V8 6.6L2017 - 2019 Sierra 3500 HD V8 6.6L·Replaces OE#:84257137, 603-009, 603009, 84148294, 84174037, 84138913, 84214124·Parameters：Material: PlasticPressurized: YesCap Included: YesCap Type: Screw OnLevel Sensor Included: Yes·Warranty:36-MonthAt ATRACYPART, we take pride in the quality of our products and in your satisfaction. If you have any problems, do not hesitate to contact us.

• 【REPLACEMENT】If your vehicle experiences coolant leakage, getting low coolant messages on the dashboard, this might indicate a malfunction in the coolant reservoir. This coolant reservoir is functionally and structurally identical to the original factory coolant reservoir. It is manufactured according to the original design and is intended to replace the damaged coolant reservoir in your vehicle.
• 【PREMIUM QUALITY】Long life-span matters, that's why our coolant reservoir tank is made of high-strength plastic and is produced by an integrated die-casting process. It has excellent sealing performance and heat and pressure resistance, which can better prevent coolant leakage and is suitable for the working environment of high-temperature and high-pressure engines. It helps to repair and improve the performance of the equipment, thereby extending the service life of the equipment.
• 【COMPATIBILITY】 Chevy Silverado V8 6.6L 17-19 2500HD 3500HD , 19-21 4500HD 5500HD 6500HD, 17-19 GMC Sierra 2500HD 3500HD V8 6.6L. This coolant reservoir equipped with a level sensor, can accurately transmit the level information, solve the problem of faulty level display, ensuring the cooling system is always in the best working condition, improve engine efficiency.
• 【REPLACE OE#】84257137, 603-009, 603009, 84148294, 84174037, 84138913, 84214124. This product has been meticulously designed and rigorously tested, providing reliable assistance for your engine cooling system. Its precise dimensions and stable connection method ensure a simple and quick installation process, allowing you to easily replace old or damaged coolant reservoir tank.
• 【36-MONTH WARRANTY】 Your satisfaction is our top priority, which is why we offer a 36-month warranty on our engine coolant reservoir tank. In the unlikely event of any defects or malfunctions, simply reach out to our customer service team, and we'll be more than happy to provide you with a hassle-FREE REPLACEMENT or REFUND.