Belt Weatherstrip - China

We are a manufacturer specializing in the design, development, and production of automotive sealing strips.

Belt Weatherstrips (also called belt-line moldings, door belt seals, or window belt weatherstrips) are rubber or plastic seal strips mounted along the belt-line of a car door, just below the window glass.

They form a crucial part of the vehicle’s sealing system, preventing water, dust, air, and noise from entering the cabin, stabilizing the window glass during its movement, and maintaining a clean, finished appearance for both interior and exterior.

Typically, each car door uses two belt weatherstrips:

Inner belt weatherstrip — along the inside beltline, providing sealing against water, dust and air ingress.

Outer belt molding / weatherstrip — along the exterior beltline, offering weatherproofing and often a decorative or trim finish (chrome bead, stainless-steel insert, or colored molding) depending on design requirements.

Our Belt Weatherstrip Product Range & Services

We supply a comprehensive range of inner-belt & outer-belt weatherstrips, suitable for:

• Passenger cars, SUVs, trucks — various brands and models

• OEM supply or aftermarket replacement

• Custom orders: non-standard profiles, rubber grades, metal inserts, color / finish customization Our Belt Weatherstrips Advantages

01 Effective Seal Against Water, Dust & Air

A well-designed beltline weatherstrip prevents rainwater, road dust, and external air from entering the interior, helping maintain cabin comfort and protecting interior components from moisture and debris.

02 Noise Reduction & Smooth Window Operation

With proper sealing and a flocked or soft-rubber surface, belt weatherstrips reduce wind noise when windows are open or closed, and ensure smooth up/down movement of the window glass without scratching or snagging.

03 Fit, Finish & Aesthetic Appeal

Outer belt moldings often incorporate styling elements — chrome or stainless-steel beads, color-matched rubber/plastic, or a flush design — enhancing exterior look while serving functional sealing purpose.

04 OEM / Aftermarket Replacement & Customization

Ready-made belt weatherstrip kits for older / classic vehicles (inner & outer belts per door)

Universal or semi-universal strips for retrofit or custom applications

Company Contact:

• Posted By: Qinghe County Xinan Auto Spare Parts Co., Ltd

• Phone: 150 3097 5986

• Address: No. 5, Lushan Middle Road, Qinghe County, Xingtai , Hebei , China

• Email:

• Business Description: We are a professional OEM manufacturer with over 30 years of experience in China's auto parts industry.
  
  As a trusted supplier for cross-border e-commerce platforms and well-known brands in North America, Southeast Asia, and the domestic Chinese market, we focus on producing high-quality, durable products.
  
  Our core expertise lies in rubber and plastic components, including EPDM, PVC, TPV, TPE, and others.
  
  We have more than 3000 sku, specialize in automotive applications such as:
  
  Rubber sealing strips
  
  weatherstrip molding for car window
  
  Rubber hoses and tubes
  
  Chassis rubber parts and other custom components