6WF1 Valve Lock 5-12565004-0 for Doosan DE12 Engine Parts Excavator Forklift

Product Details

Product Overview

This high-quality valve lock, identified by the OEM part number 5-12565004-0, is a critical component designed for the valve train assembly of the Doosan DE12 diesel engine. The valve lock, also known as a valve keeper or collet, is responsible for securing the valve spring retainer to the valve stem, ensuring proper valve timing and sealing under extreme operating conditions.

Specifically engineered for the 6WF1 engine platform, this component is commonly utilized in heavy-duty industrial applications. It is a precision-machined part manufactured to meet original equipment specifications, ensuring a secure fit and reliable performance. This part is suitable for use in a variety of equipment, including excavators, forklifts, loaders, bulldozers, trucks, and buses that utilize the Doosan DE12 engine family.

Key Features & Benefits

• OEM Specification: Manufactured to match the original 5-12565004-0 dimensions and material composition, ensuring direct interchangeability and a perfect fit for your Doosan DE12 engine.
• Durable Construction: Constructed from hardened alloy steel to withstand the high cyclic stresses and temperatures found within the valve train, reducing the risk of component failure.
• Precision Engineering: The locking mechanism is precisely machined to provide a secure grip on the valve stem, preventing valve spring dislodgement during high-RPM operation.
• Enhanced Engine Reliability: A secure valve lock is essential for maintaining proper valve clearance and compression. This part helps prevent valve float and potential piston-to-valve contact, safeguarding your engine investment.
• Comprehensive Application: While designed for the DE12, this component is a standard service part for many heavy machinery engines, making it a versatile addition to your maintenance inventory.
• Rigorous Testing: Each batch undergoes outgoing inspection and machinery test reports to verify hardness and dimensional accuracy, ensuring consistent quality.

Technical Specifications

OEM Cross-Reference

This valve lock is a direct replacement for the following original equipment manufacturer (OEM) numbers:

• Doosan / Daewoo: 5-12565004-0
• Related Engine Platform: Isuzu 6WF1 (Note: The Doosan DE12 engine is based on the Isuzu 6WF1 platform. While the part number may differ, the function and fitment are often shared across these platforms. Please verify your specific engine serial number.)

Note: Always cross-reference your existing part with the number above to ensure exact compatibility.

Compatibility

This part is commonly used for the following engine and equipment types. Fitment is based on the engine model and standard OEM applications; please verify your specific engine configuration:

• Engine Models: Doosan DE12, Isuzu 6WF1
• Equipment Applications:
  • Excavators
  • Forklifts
  • Wheel Loaders
  • Bulldozers
  • Heavy Trucks
  • Buses

Global Supply & Distribution

We offer reliable worldwide shipping to support international B2B buyers. Our logistics network ensures fast and secure delivery to major industrial hubs and ports across the globe.

• North America: Fast shipping to the USA, Canada, and Mexico (Los Angeles, Houston, Chicago, Toronto).
• Europe: Efficient delivery to the UK, Germany, France, Netherlands, and Eastern Europe (Rotterdam, Hamburg, Antwerp).
• Asia-Pacific: Quick dispatch to Australia, Japan, South Korea, Singapore, and Southeast Asia.
• Middle East & Africa: Service to UAE, Saudi Arabia, South Africa, and Kenya (Dubai, Jebel Ali).
• South America: Coverage for Brazil, Chile, and Argentina (Santos, Buenos Aires).

We have extensive export experience and ensure compliance with international trade regulations for hassle-free customs clearance.

Quality Assurance

We prioritize quality to ensure your engine runs reliably.

• Manufacturing Standards: Parts are produced in ISO-certified facilities with strict quality control measures.
• Warranty: All parts come with a 6-month warranty against manufacturing defects.
• Testing: Every shipment is subject to outgoing video inspection. Machinery test reports are available upon request to verify performance characteristics.
• Packaging: Parts are securely packed in plastic bags, boxes, and cartons to prevent damage during transit.

FAQ

Q: How do I verify that this 5-12565004-0 valve lock fits my 6WF1 engine?
A: The primary verification is to check the part number stamped on your existing valve lock. If it matches 5-12565004-0, it is a direct fit. You can also verify by checking your engine model (DE12) and the valve stem diameter. If you are unsure, please contact us with your engine serial number for cross-reference.

Q: What are the signs of a worn or failed valve lock?
A: A worn valve lock can cause a loss of valve spring tension, leading to a ticking noise from the valve cover, rough idling, or a loss of engine compression. In severe cases, a failed valve lock can cause the valve to drop into the cylinder, resulting in catastrophic engine damage. If you are performing a top-end overhaul, it is standard practice to replace all valve locks.

Q: Is installation of the valve lock a simple process?
A: Installation requires a valve spring compressor tool. The lock is placed around the valve stem, and the spring retainer is compressed over it. This is a precise operation. We recommend consulting your engine’s service manual for the correct torque specifications and installation procedure. If you lack experience with engine valve train assembly, professional installation is advised.