

Valve Spring Bottom Retainer
Нижняя Тарелка Пружины Клапана
Retenedor Inferior Resorte Válvula
This OEM valve spring bottom retainer (part 612630050019) is a precision-engineered valve train component designed specifically for Shacman heavy-duty commercial truck diesel engines. The 612630050019 retainer provides secure seating and support for the valve spring at the cylinder head interface, ensuring proper valve operation and timing.
Manufactured from high-strength hardened steel with precision-machined seating surfaces, exact dimensional specifications, and durable surface treatment, this 612630050019 retainer withstands extreme valve spring pressures, high-frequency cyclic loading, elevated engine temperatures, and continuous dynamic stress during demanding heavy-duty operations.
Replacing a worn, cracked, or damaged retainer with this genuine 612630050019 component restores proper valve spring support and valve train reliability. The OEM number guarantees exact dimensional specifications and factory-engineered material properties for Shacman engine platforms.
| Parameter | Specification |
|---|---|
| OEM Part Number | 612630050019 |
| Product Name | Valve Spring Bottom Retainer |
| Brand | Shacman |
| Position | Cylinder Head, Valve Spring Base Seating Location |
| Material | High-Strength Hardened Steel |
| Manufacturing Process | Precision Machining, Heat Treatment, Surface Finishing |
| Surface Protection | Durable Wear-Resistant Surface Treatment |
| Function | Valve Spring Base Support and Secure Seating at Cylinder Head Interface |
The 612630050019 valve spring bottom retainer serves as a critical valve train component that provides a secure, stable seating platform for the valve spring at the cylinder head interface on Shacman diesel engines.
This 612630050019 retainer locates and supports the base of the valve spring, ensuring proper spring alignment and preventing lateral movement during high-speed valve operation.
The precision-machined seating surface of the 612630050019 provides uniform support for the valve spring, distributing spring forces evenly to prevent stress concentrations and premature spring failure.
This 612630050019 component withstands the continuous hammering and cyclic loading of the valve spring, maintaining its dimensional integrity and surface finish throughout millions of engine cycles.
The hardened steel construction provides excellent wear resistance at the spring contact surface, preventing material deformation that could affect valve spring installed height and tension.
The 612630050019 retainer is engineered to meet the specific dimensional and material requirements of Shacman engine valve train systems, ensuring compatibility with related valve components.
By providing reliable valve spring support, this retainer contributes to proper valve timing, consistent engine performance, and extended valve train component service life in demanding operations.
The 612630050019 retainer is manufactured from high-strength hardened steel with carefully controlled heat treatment, providing exceptional wear resistance and dimensional stability.
The precision-machined seating surface of the 612630050019 ensures uniform valve spring support and proper load distribution throughout the retainer service life.
The durable wear-resistant surface treatment of the 612630050019 provides excellent protection against friction and impact damage from the valve spring during high-speed operation.
The retainer undergoes rigorous quality verification, including dimensional inspection, surface hardness testing, and material certification to guarantee its performance in demanding applications.
The material selection for the 612630050019 prioritizes both high surface hardness for wear resistance and sufficient core toughness to withstand impact loading.
The 612630050019 retainer’s design has been validated through extensive engine testing to ensure reliable valve spring support throughout the engine service life.
Replacement of the 612630050019 retainer involves removing the valve spring, extracting the old retainer from the cylinder head, cleaning the seating area, and installing the new retainer before reassembly.
After installation of the 612630050019 retainer, verify that it is properly seated in the cylinder head recess and that the valve spring sits correctly before completing valve train assembly.
Regular inspection of the 612630050019 retainer for wear, pitting, cracking, or surface degradation is recommended during valve train service and engine overhaul procedures.
When installing the 612630050019 retainer, it is essential to ensure the seating surface is clean and free from debris that could cause misalignment of the valve spring.
It is also recommended to replace the valve spring and related retainers as a set when servicing the 612630050019 to ensure consistent valve train performance.
During inspection, pay special attention to the spring contact surface of the 612630050019 for signs of wear, indentation, or deformation indicating the need for replacement.
Each 612630050019 valve spring bottom retainer undergoes comprehensive dimensional inspection, surface hardness verification, and material quality testing to ensure OEM specifications.
We provide full quality documentation for every 612630050019 retainer, including material certifications and inspection reports for engine service documentation and repair shop quality requirements.
The retainer is tested for dimensional accuracy and surface hardness to ensure proper valve spring support and resistance to wear in demanding engine applications.
Our quality control process includes surface finish verification and dimensional tolerance inspection on the 612630050019 to ensure consistent quality and performance.
We maintain full traceability of all materials used in the 612630050019 retainer, from raw steel certification to finished precision component, ensuring complete accountability throughout manufacturing.
Visible cracking, chipping, or fracture of the 612630050019 retainer indicates material fatigue or impact damage and requires immediate replacement to prevent valve train failure.
Excessive wear, pitting, or surface indentation at the spring contact area of the 612630050019 also warrants replacement to restore proper valve spring support.
If the retainer exhibits deformation, loss of dimensional accuracy, or inability to properly seat the valve spring, the 612630050019 should be replaced.
Following any valve spring failure, valve train damage, or engine overheating event, the 612630050019 should be inspected and replaced if any damage or degradation is detected.
If the retainer shows signs of corrosion, surface degradation, or material loss that could compromise its function, it should be replaced during valve train service.
Engine overhaul procedures should include detailed inspection of all 612630050019 retainers with replacement recommended to ensure consistent valve train performance.
Aftermarket retainers with incorrect specifications or inferior materials can lead to valve train failure and engine damage. We supply only authentic components like the 612630050019 built to exact OEM specifications.
The part number 612630050019 is clearly marked for verification. Our international logistics network ensures secure protective packaging and prompt dispatch to any global destination with complete export documentation.
All orders for 612630050019 include comprehensive quality documentation, ensuring compliance with local import regulations and engine service record requirements in your country.
We offer competitive pricing and reliable shipping options for the 612630050019 retainer, making it convenient for our global customers to maintain their Shacman engines with proper OEM valve train components.
Our dedicated customer service team is ready to assist with any technical or logistical questions regarding the 612630050019 retainer, from engine repair consultations to bulk fleet order processing.
Complete 612630050019 valve spring bottom retainer. Ready for professional installation with precision-machined seating surface and hardened steel construction for reliable valve spring support.
Expert guidance on engine valve train repair and proper installation of the 612630050019 retainer is available. We help ensure proper valve spring support for your Shacman engine.
Full quality documentation for 612630050019 is available upon request, including material certifications and dimensional inspection reports for your permanent maintenance records.
For current stock availability of the genuine 612630050019 valve spring bottom retainer, please use the contact buttons above.