Oil Filler Cap
Крышка Маслозаливной Горловины
Tapa de Llenado de Aceite
This OEM oil filler cap (part 1004020402) is a precision-engineered engine oil fill port closure component designed specifically for Shacman heavy-duty commercial truck diesel engines. The 1004020402 oil filler cap provides secure sealing of the oil fill opening, preventing oil leakage and contaminant ingress under all operating conditions.
Manufactured from high-quality materials with precision molding, exact dimensional tolerances, and integrated sealing elements, this 1004020402 oil filler cap withstands extreme engine temperatures, high crankcase pressures, continuous vibration stress, and prolonged operation during demanding heavy-duty commercial vehicle applications.
Replacing a cracked, leaking, or missing oil filler cap with this genuine 1004020402 component restores proper oil fill port sealing and prevents oil contamination. The OEM number guarantees exact dimensional specifications and factory-engineered quality for Shacman engine platforms.
| Parameter | Specification |
|---|---|
| OEM Part Number | 1004020402 |
| Product Name | Oil Filler Cap |
| Brand | Shacman |
| Position | Engine Cylinder Head Cover – Oil Fill Port Closure |
| Material | High-Quality Heat-Resistant Plastic with Integrated Sealing Gasket |
| Manufacturing Process | Precision Injection Molding, Gasket Assembly, Thread Forming, Quality Inspection |
| Surface Protection | Heat-Resistant Material with Oil and Chemical Resistant Properties |
| Function | Secure Closure of Oil Fill Port with Leak-Free Sealing and Easy Access for Maintenance |
The 1004020402 oil filler cap serves as a vital engine access component engineered to securely seal the oil fill port while allowing convenient access for oil maintenance within Shacman heavy-duty diesel power units.
This 1004020402 oil filler cap threads into the oil fill port on the cylinder head cover, creating a reliable seal that prevents oil splash leakage and crankcase vapor escape during engine operation.
The precision-molded threads of the 1004020402 ensure smooth engagement with the fill port neck, providing secure retention while allowing easy removal by hand for routine oil level checks and oil changes.
This 1004020402 component features an integrated sealing gasket that compresses against the fill port rim, providing a positive seal that prevents oil mist leakage while maintaining proper crankcase pressure management.
The high-quality heat-resistant plastic construction resists degradation from hot engine oil exposure and maintains its mechanical properties and sealing integrity throughout extended service intervals.
The 1004020402 oil filler cap is engineered to meet the specific thread size, seal configuration, and material requirements of Shacman engine oil fill systems, assuring seamless compatibility.
By providing dependable oil fill port sealing, this filler cap contributes directly to proper engine oil containment, contamination prevention, and maintained lubrication system integrity in demanding operational environments.
The 1004020402 oil filler cap is manufactured from premium high-quality heat-resistant plastic with precision injection molding, delivering exceptional dimensional accuracy and consistent thread engagement for reliable sealing.
The precisely controlled thread profile of the 1004020402 ensures smooth engagement with the fill port neck, providing secure retention while allowing easy removal for routine oil maintenance without cross-threading.
The carefully designed sealing gasket of the 1004020402 provides positive compression against the fill port sealing surface, maintaining oil-tight integrity while accommodating minor surface irregularities and thermal expansion.
Each oil filler cap undergoes rigorous quality verification, including dimensional inspection, thread gage testing, and seal integrity evaluation to guarantee its performance in demanding oil containment applications.
The material selection for the 1004020402 prioritizes both heat resistance for the elevated engine compartment environment and chemical compatibility with engine oil for long-term sealing durability.
The 1004020402 oil filler cap’s design has been validated through extensive engine testing to ensure reliable sealing and ease of use throughout the complete engine service interval.
Replacement of the 1004020402 oil filler cap requires unscrewing the old cap from the oil fill port, inspecting the fill port sealing surface and threads, and installing the new cap with proper hand tightening.
After installation of the 1004020402 oil filler cap, verify that the cap is properly tightened by hand until the gasket is fully compressed, and check for oil vapor leaks around the cap during engine operation.
Periodic inspection of the 1004020402 oil filler cap for oil residue around the seal, gasket deterioration, or thread damage is recommended within routine engine maintenance and inspection schedules.
When installing the 1004020402 oil filler cap, ensure that the fill port threads and sealing surface are clean, and hand-tighten the cap firmly without using tools to prevent over-tightening and thread or seal damage.
It is critical to verify that the sealing gasket on the 1004020402 is properly seated and not twisted or damaged before installation, as a misaligned gasket will cause oil vapor leakage and potential oil loss.
During routine service, always inspect the 1004020402 oil filler cap gasket for signs of hardening, cracking, or compression set, and replace the entire cap if any sealing degradation is detected.
Each 1004020402 oil filler cap undergoes thorough dimensional inspection, thread verification, and seal integrity testing to guarantee strict compliance with OEM engineering specifications.
We provide complete quality documentation for every 1004020402 oil filler cap, including material certifications and inspection reports for engine service records and workshop quality assurance compliance.
The oil filler cap is tested for dimensional accuracy and sealing performance to ensure proper fitment and reliable oil containment in the most demanding engine operating environments.
Our quality management system includes thermal aging resistance testing and oil compatibility verification on the 1004020402 to guarantee consistent manufacturing quality and extended service durability.
We maintain complete traceability of all materials used in the 1004020402 oil filler cap, from raw material certification to finished component inspection, ensuring total accountability throughout the production process.
Visible oil residue, oil mist, or vapor staining around the 1004020402 oil filler cap indicates gasket failure, requiring immediate cap replacement to prevent oil loss and engine compartment contamination.
Cracks, thread damage, or deformation of the 1004020402 that prevents proper tightening or sealing necessitates prompt replacement during engine service operations.
If the oil filler cap exhibits gasket hardening, compression set, or loss of elasticity, the 1004020402 component should be replaced immediately to restore proper oil fill port sealing and prevent vapor escape.
Following any engine overheating event or oil contamination incident, the 1004020402 oil filler cap gasket should be inspected and the cap replaced if any signs of thermal damage or chemical degradation are detected.
If the cap shows signs of cross-threading damage or stripped threads, the 1004020402 requires replacement along with inspection of the fill port threads for damage that may require cylinder head cover repair or replacement.
Standard engine inspections should include a detailed evaluation of the 1004020402 oil filler cap for early indicators of seal deterioration, oil residue, or thread damage requiring corrective action.
Inferior aftermarket oil filler caps with incorrect specifications or substandard materials can lead to oil leaks and engine contamination. We exclusively supply authentic components like the 1004020402 manufactured to precise OEM engineering standards.
The part number 1004020402 is clearly identified on the packaging for unambiguous verification. Our extensive international logistics infrastructure ensures secure protective packaging and rapid dispatch to any worldwide destination with complete export documentation.
All procurements of 1004020402 include comprehensive quality certification, ensuring conformity with local import regulations and engine lubrication system service documentation requirements in your jurisdiction.
We provide highly competitive pricing structures and dependable shipping alternatives for the 1004020402 oil filler cap, facilitating convenient access for our international clientele to maintain their Shacman engines with authentic OEM sealing components.
Our dedicated client support team stands prepared to address any technical inquiries or logistical concerns regarding the 1004020402 oil filler cap, encompassing engine maintenance consultations to comprehensive bulk fleet procurement processing.
Complete 1004020402 oil filler cap. Ready for professional installation featuring precision-formed threads, integrated sealing gasket, and ergonomic grip design for dependable oil fill port sealing and easy maintenance access.
Expert technical guidance on engine oil fill system components and proper installation procedures for the 1004020402 oil filler cap is readily available. We assist in ensuring reliable oil containment for your Shacman engine application.
Complete quality documentation for 1004020402 is available upon request, encompassing material certifications and seal performance reports for your permanent maintenance and service records.
For current stock availability of the genuine 1004020402 oil filler cap, please use the contact buttons above.
