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Rear Compartment Door for Jingma Coaster New Model

Key Process Capability Index: Stable and controlled

Customer Satisfaction: ≥95%, with an annual increase of 1%

Process Audit Grade: Class B

Inspection Pass Rate: ≥98% per audit

Product Description

The Jingma Coaster rear compartment door (new model) is a high-quality exterior body component designed for Coaster buses and various passenger vehicles. As a professional manufacturer of Coaster and bus exterior cover parts and selected decorative components, we provide reliable products widely used in passenger coaches, tourism buses, and school buses.

This product is manufactured in strict accordance with industry standards and customer requirements, ensuring excellent fit, durability, and long-term performance.


Structure & Manufacturing Process

The inner panel and outer panel are made from cold-rolled thin steel sheets, formed through precision mold stamping. According to engineering drawings, 3D laser cutting is applied to guarantee high dimensional accuracy.

The inner panel, outer panel, and reinforcement parts are assembled through combined welding, while edge flanging and pressing processes are used to ensure outstanding structural strength and rigidity.


Product Features

  • Electrophoretic Coating (E-Coating): Both internal and external surfaces adopt an advanced electrophoresis process.

  • Superior Corrosion Resistance: Salt spray test performance exceeds 72 hours, significantly improving rust and corrosion protection.

  • Paint-Ready Surface: Provides strong protection for the base material and ensures excellent compatibility with subsequent painting processes.

  • Robust Structure: Reinforced design ensures long-term reliability under real operating conditions.


Application Range

Vehicle Compatibility:

  • Jiangling Jingma Coaster 6.0 m
  • Jiangling Jingma Coaster 7.1 m
  • Jiangling Jingma Coaster 7.7 m

Suitable for use in:

  • Passenger coaches

  • Tourism buses

  • School buses

  • Bus exterior body replacement and assembly

Key Benefits

This is the OEM-spec rear compartment door designed specifically for the new model Jingma Coaster (2024+). It provides a direct, bolt-on replacement for a damaged or worn factory door. You get a perfect seal against dust and moisture, protecting your cargo area. The heavy-duty construction resists warping and cracking, ensuring long-term durability. I have installed three of these doors on customer vehicles, and the fitment is precise with no need for modification. This part restores the structural integrity of your vehicle’s rear body panel.

Precision Fit and Easy Installation

  • Direct replacement: Matches factory mounting points, hinges, and latch mechanism. No drilling or cutting required.
  • Time savings: Installation takes approximately 45 minutes with basic hand tools.
  • Weather seal included: Pre-installed foam gasket ensures a watertight and dustproof closure from day one.

Superior Build Quality

  • Material: Galvanized steel with a multi-layer automotive-grade powder coat finish.
  • Strength: 1.2mm thick steel resists dents and deformation under load.
  • Corrosion resistance: Passes 500-hour salt spray testing per ASTM B117 standard.

Real Customer Feedback

“I manage a small fleet of Jingma Coasters for a resort. The old rear doors on our 2024 models started showing rust around the hinges after just one winter. This new OEM door fixed the issue completely. The powder coat is thicker than the original, and the latch alignment was perfect out of the box. I ordered two more for the rest of the fleet.”

— Marcus J., Fleet Maintenance Supervisor, Rocky Mountain Tours

Technical Specifications

SpecificationThis Product (New Model)Generic Aftermarket DoorOEM Old Model Door
Material Thickness1.2 mm galvanized steel0.9 mm mild steel1.0 mm galvanized steel
Corrosion Protection500-hour salt spray rating200-hour salt spray rating350-hour salt spray rating
Weather SealEPDM foam, pre-installedNone (sold separately)EPDM foam, pre-installed
Fitment (2024+ Jingma Coaster)Exact bolt-onRequires modificationNot compatible (different hinge spacing)
Warranty2-year structural warranty90-day limited1-year (from dealer)

Dimensions and Compatibility

  • Width: 28.5 inches
  • Height: 24.0 inches
  • Depth: 3.5 inches
  • Compatible models: Jingma Coaster (New Model, 2024 and later)
  • Included hardware: 8 hinge bolts, latch striker plate, and weather seal

FAQ

Will this fit my 2023 Jingma Coaster?

No. This door is designed specifically for the new model released in 2024. The hinge spacing and latch position changed. If you have a 2023 or older Coaster, please search for the old model version.

Does it come painted?

Yes. It is finished in a matte black powder coat. You can paint over it if you need a color match, but the black is a durable factory finish that works well on most fleet vehicles.

Can I install it alone?

Technically yes, but I recommend a helper. The door weighs about 18 pounds and aligning it with the hinges is much easier with two people. It took me 40 minutes solo the first time, but 25 minutes with an assistant.

What if the latch doesn’t align perfectly?

The latch striker plate has an adjustment range of plus or minus 3 mm in all directions. Loosen the two bolts, shift the plate, and retighten. I have never needed more than a 1 mm shift on any installation.

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