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- Home>
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- High-quality Water Pipe 6421 9226 749 for N20
- Product Details
- Company Details
Product Specification
|
|
|
|
| OE NO. |
6421 9226 749 |
Delivery Time |
5-7 work days |
| Quality |
High quality |
Payment Terms |
L/C,D/A,D/P,T/T,Western Union |
| Warranty |
12 Months |
Packaging Details |
Normal packing |
| Item Name |
Water Pipe |
Car Model |
for N20 |
| Size |
Standard size |
Place of Origin |
China |
| Model Number |
6421 9226 749 |
Brand Name |
BOIGEVIS |
The 6421 9226 749 water pipe is a professional high-grade cooling system replacement part specially tailored for BMW N20 turbocharged engines. As a vital connecting pipeline in the engine thermal management system, this precision-made water pipe undertakes the core responsibility of circulating coolant between the engine assembly, radiator and auxiliary cooling units. It ensures smooth, uninterrupted coolant flow under daily cruising, congested traffic and high-load acceleration conditions, effectively stabilizing engine operating temperature and avoiding overheating failures. This aftermarket pipe perfectly matches OEM specifications, thoroughly solving common aging problems of original N20 cooling pipes such as cracking, leakage and heat dissipation attenuation.
Manufactured with premium multi-layer reinforced EPDM rubber with upgraded anti-aging formula, this N20-specific water pipe features excellent adaptability to high-temperature and high-pressure engine compartment environments. It delivers strong resistance against extreme heat, coolant chemical corrosion, hydraulic impact and long-term oxidative aging. The built-in dense woven fiber reinforcement layer greatly enhances structural toughness and pressure resistance, effectively preventing pipe bulging, deformation, hardening and coolant seepage after long-term high-frequency operation. Compared with ordinary aftermarket pipes, it offers longer service life and more stable overall performance.
Every bending radian, interface size and mounting position is precisely molded in full compliance with original factory standards, achieving a seamless and gap-free fit for BMW N20 engine models. Adopting a plug-and-play installation design, it requires no cutting, drilling or secondary modification during replacement, greatly improving installation efficiency and saving labor costs for auto repair workshops. Each finished product undergoes strict factory quality inspections, including air tightness testing, high-pressure durability tests and extreme temperature cycle detection to ensure zero leakage and long-term stable operation.
A worn or degraded cooling water pipe will cause continuous coolant loss, unstable water temperature and reduced heat dissipation efficiency. If not replaced in time, it will lead to engine overheating, turbo system abnormal operation and internal component wear, resulting in costly maintenance issues. Timely installation of the 6421 9226 749 high-quality water pipe effectively eliminates cooling system hidden dangers and fully protects the N20 engine core.
Widely recognized in the global auto parts aftermarket, this N20 dedicated water pipe stands out with reliable quality and high cost performance. We maintain sufficient spot inventory to support retail orders and bulk wholesale purchases, making it an ideal stocking product for BMW professional repair shops and auto parts distributors focusing on N20 engine series models.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
-
Business Type:
Manufacturer
-
-
Total Annual:
10000000-50000000
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Employee Number:
150~200
-
Ecer Certification：
Verified Supplier
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