FAW J6P Front Door Seal: Deconstructing 7 Critical Parts for a Flawless Cab Environment

Welcome to this in-depth analysis of the FAW J6P Front Door Seal system for the FAW Jiefang CA3250P66K2L1T1E 6×4 dump truck. This guide deconstructs the 7 critical component types that form this complete sealing and trim assembly, essential for driver comfort and cab protection.

The FAW J6P Front Door Seal is not a single part, but a multi-component system engineered to create a perfect environmental barrier. On a dump truck, this system is vital for preventing the intrusion of dust, water, and, most importantly, noise (NVH) into the cab. This analysis will deconstruct the inner and outer “beltline” seals, as well as the associated trim covers and hardware that complete this assembly.

Core 1: The ‘Outer Beltline’ Logic (The Squeegee)

This component is the exterior-facing part of the FAW J6P Front Door Seal system. It is the first line of defense against the elements, located at the “beltline” or “waist” of the door, where the glass retracts.

1. Component: ‘Left/Right front door outer window seal assembly’ (6103035-A01 / 6103040-A01) – Qty 1 each
This (Comp 2) is the outer “squeegee” or “weatherstrip.” It is an assembly, meaning it consists of a rigid metal or plastic core (which allows it to be clipped securely to the door shell) and a co-molded, soft rubber lip.

The Squeegee Logic is its primary function. The soft lip is lined with flocking (a felt-like material) and is pressed tightly against the glass. As the window is lowered, this lip scrapes water, mud, and abrasive dust off the glass. This is not just for visibility; it is critical for protecting the internal door components.

This single action prevents that abrasive slurry from being dragged down into the door, where it would otherwise contaminate and destroy the flocked guide channels (System 145) and the window regulator (System 146).

The Failure Mode Logic makes this a key maintenance part. The FAW J6P Front Door Seal is constantly exposed to UV radiation from the sun. This causes the rubber to harden, crack, and shrink. The flocking wears away, and a gap forms between the seal and the glass.

A failed outer seal will cause a “rattling” sound as the glass chatters against the hard plastic. More severely, it allows water to pour directly into the door, accelerating rust and leading to premature failure of the electric lock body (Comp 1) and the regulator. Inspecting this `FAW J6P Front Door Seal` is a primary step in diagnosing water leaks.

Core 2: The ‘Inner Beltline’ Logic (The Acoustic Seal)

This component is the interior counterpart to the outer seal, and it is just as critical to the FAW J6P Front Door Seal system. It mounts to the top edge of the main interior trim panel.

1. Component: ‘Left/Right front door inner window seal assembly’ (6102055-A01 / 6102060-A01) – Qty 1 each
This (Comp 3) is the inner beltline seal. Like the outer seal, it has a flocked, flexible lip that presses against the glass. Its functions, however, are different.

The Acoustic Logic is its primary purpose. The combination of this inner seal and the outer seal (Comp 2) creates a “dual-barrier” system. The air gap trapped between these two seals is a highly effective insulator against wind and road noise.

A worn-out inner FAW J6P Front Door Seal will cause a noticeable increase in “wind rush” sound at highway speeds, leading to increased driver fatigue. This part is essential for maintaining a quiet cab environment.

The Guidance & Aesthetic Logic is its secondary function. This seal’s flocked lip provides a smooth, low-friction surface that helps stabilize the top of the glass, preventing it from rattling against the hard plastic of the door trim panel.

It also serves a cosmetic purpose, covering the gap between the door trim and the glass, providing a clean, seamless, and finished look to the interior. The complete FAW J6P Front Door Seal system requires both the inner and outer components to be in good condition to function correctly.

Core 3: The ‘Associated Trim & Hardware’ Logic

This group represents the various trim pieces and hardware that are part of this specific assembly diagram (151). They are not part of the FAW J6P Front Door Seal itself, but they are serviced at the same time.

1. Component: ‘Block cover – door inner trim panel’ (6102033-B27 / 6102034-B27) – Qty 1 each
2. Component: ‘Left/Right front door inner handle cover’ (6102043-B27 / 6102044-B27) – Qty 1 each
These (Comp 5 and 6) are small, cosmetic “covers” or “bezels” that snap into place on the main door trim panel.

The Serviceability Logic is their purpose. They are designed to hide the structural mounting screws for the inner handle (System 143) and armrest (System 149). These covers are high-touch items, and their finish can wear off. They are also designed to be “sacrificial”; they are often brittle and the clips can break during removal for service, requiring replacement.

3. Component: ‘Front door glass regulator handle assembly (manual only)’ (6104045-A01) – Qty 1
This (Comp 4) is a “ghost part” in this context. The diagram lists this manual handle, but also lists the electric lock (Comp 1). This indicates System 151 covers *all* door-mounted trim, for both electric and manual models. This handle is for the manual regulator (System 147) and is mutually exclusive with the electric regulator (System 146).

4. Component: ‘Cross recessed flat round head combination screw’ (Q2360616F6) – Qty 2
This (Comp 7) is a specialized fastener. The “combination” design means it has a pre-installed lock washer to prevent it from loosening due to vibration, which is critical for preventing rattles.

Core 4: The ‘Associated Actuator’ Logic (The Lock Body)

This component is not part of the FAW J6P Front Door Seal, but it is listed in this system because its function is intrinsically linked to the door’s overall environmental integrity.

1. Component: ‘Left/Right front door electric lock body assembly’ (6105025AA01 / 6105030AA01) – Qty 1 each
This (Comp 1) is the core electro-mechanical lock body (also seen in System 143). It is mounted inside the “wet” area of the door.

The Sealing Logic is one of co-dependence. The FAW J6P Front Door Seal system (specifically the outer beltline seal, Comp 2) is the lock body’s first line of defense. By stopping the majority of water and dust at the glass, it reduces the amount of contamination that reaches this electrical component.

The waterproof membrane (System 145/149) provides the second layer of protection. A failure in the FAW J6P Front Door Seal (Comp 2) will drastically shorten the life of this expensive electric lock assembly by subjecting it to a constant stream of water and abrasive dirt, leading to rust and electrical failure.

FAW J6P Front Door Seal: Complete 7-Part Breakdown

The following table provides the complete, detailed breakdown of all 7 component types in the FAW J6P Front Door Seal and trim system (System 151) for the FAW Jiefang CA3250P66K2L1T1E 6×4 dump truck.

Core Specifications

The specifications for the FAW J6P Front Door Seal system are defined by its function as the primary environmental and acoustic barrier for the door glass.