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BYD Qin PLUS DM-i Resonator Assembly | Intake Resonator Chamber OEM Spec
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BYD Qin PLUS DM-i Resonator Assembly | Intake Resonator Chamber OEM Spec

Brand Name: BYD
Model Number: BYD Qin PLUS dmi
MOQ: 1
Price: Negotiable
Payment Terms: L/C
Detail Information
Enginetype:
1.5L Turbocharged Inline-4
Electricrange:
120 Km (NEDC)
Transmission:
6-speed Dual Clutch Transmission (DCT)
Batterycapacity:
18.3 KWh
Infotainmentsystem:
12.8-inch Touchscreen With DiLink OS
Combinedpoweroutput:
321 KW
Vehicletype:
Plug-in Hybrid Sedan
Electricmotor:
Permanent Magnet Synchronous Motor
Dimensions:
Length 4780 Mm, Width 1837 Mm, Height 1495 Mm
Safetyfeatures:
6 Airbags, ABS, EBD, ESC, TCS
Productname:
BYD Qin PLUS DMI
Seatingcapacity:
5 Persons
Acceleration:
0-100 Km/h In 4.7 Seconds
Drivetype:
Front-Wheel Drive
Fuelconsumption:
4.5 L/100km (combined)
Product Description

This product is specifically designed for the BYD472QA 1.5L Xiaoyun plug-in hybrid专用engine in the BYD Qin PLUS DM-i. It is a core acoustic component of the intake system installed between the air cleaner and the throttle body—the resonator assembly. Acting as the "sound tuner" of the intake system, the resonator eliminates intake pulsation noise in specific frequency bands through its precisely engineered internal cavity structure, while stabilizing intake airflow for smooth entry into the combustion chamber. It neither affects engine power output nor requires additional energy consumption, effectively minimizing annoying "whooshing" intake noise to the lowest possible level, making it a critical invisible component for enhancing driving quietness.

The Xiaoyun engine in the BYD Qin PLUS DM-i features Atkinson cycle operation with an ultra-high compression ratio of 15.5:1 and a maximum thermal efficiency exceeding 43%, placing higher demands on intake system airflow stability and acoustic performance. This product is developed and manufactured strictly according to BYD OEM technical standards, using high-strength engineering plastic injection molding with integrated internal baffle plates. The precisely calculated cavity volume effectively reduces intake noise in the 400-600Hz frequency band by 3-5 decibels, while providing pressure stabilization and buffering functions to maintain idle stability. The product passes rigorous high-low temperature cycle tests and durability tests, with OE numbers precisely matching the original vehicle for direct replacement of aged, damaged, or deformed original resonator assemblies, restoring the acoustic performance and airflow stability of the engine intake system.