OEM-Level Compatible Seal Group with Durable Composite Structure and Dual Anti-Leakage Protection for CAT C15 3406 Excavator Engines

For 142-5867 1425867 Seal Groups CAT C15 3406 Excavator engine parts

Specification

Description

The 142-5867 Seal Group is a crankshaft seal component designed for heavy-duty excavator engines, specifically engineered for models like C15 and 3406, with compatibility for other equipment on the same platform. It features an OEM-grade sealing structure with hydrodynamic grooves on the seal lip, with dimensions of 186.43mm OD × 153.92mm ID × 19.05mm width. Constructed from a reinforced metal casing, oil-resistant rubber, and high-performance sealing materials, it precisely controls lubricant sealing during crankshaft rotation while blocking external dust and muddy water from entering the lubrication system. Suitable for construction machinery applications such as excavators, heavy-duty trucks, and generator sets powered by these engines, it is a core component ensuring stable operation of the engine lubrication system.

Advantage

• OEM-Level Compatibility: Manufactured to strict OEM dimensional and tolerance standards, requiring no additional processing for installation and enabling direct replacement of original parts, eliminating leakage or installation damage caused by fit errors.
• Durable Composite Structure: The metal casing enhances deformation resistance, while the seal lip uses high and low temperature-resistant materials to withstand continuous high temperatures in the engine compartment and frictional impacts from high-speed crankshaft rotation.
• Dual Anti-Leakage Protection: The seal lip with hydrodynamic oil return grooves redirects lubricating oil back to the oil pan during crankshaft rotation while creating a reverse barrier, significantly reducing leakage risks under high-speed and high-load conditions.
• Harsh Environment Resistance: The oil-resistant, aging-resistant, and corrosion-resistant sealing material withstands erosion from diesel, engine oil, coolant, and dust/muddy water at construction sites, extending the seal’s service life.
• Professional Installation Support: Includes original installation instructions and dedicated installation markings, clarifying installation direction and precautions to reduce seal failure caused by installation errors.

Performance

• Stable Sealing Performance: The seal lip maintains consistent contact pressure across a wide temperature range of -40℃ to 120℃, effectively preventing lubricant leakage and blocking external contaminants.
• High-Speed Rotation Adaptability: The hydrodynamic groove design forms a dynamic oil film during high-speed crankshaft rotation, reducing lip wear and frictional resistance, supporting long-term operation at the engine’s rated speed.
• Anti-Aging and Wear Resistance: High-performance sealing materials resist oil corrosion and long-term high-temperature aging, maintaining sealing performance under continuous operating conditions and reducing replacement frequency.
• Precision Dimensional Accuracy: Strictly controlled inner and outer diameter tolerances ensure a perfect fit with the crankshaft and mounting seat, avoiding premature failure caused by excessive or insufficient clearance.
• Strong Load Adaptability: Meets the engine’s operational requirements under heavy-duty and high-load conditions, maintaining reliable sealing performance even in scenarios involving long-term construction work and frequent start-stop cycles.

FAQ

Q1: When will my goods be shipped?
A: Your goods will be dispatched within 24 hours after payment confirmation.

Q2: What is the lead time?
A: We maintain sufficient stock for immediate fulfillment.

Q3: What shipping methods do you offer?
A: We ship via sea, air, or express (DHL, FedEx, TNT, UPS, EMS).

Q4: What is the delivery time?
A: Stock items take 2 to 5 days; pre-order items take 7 to 15 days. Contact us for specifics.

Q5: How can I track my shipment?
A: We will provide you with the tracking number as soon as your order is shipped.

PACKING & DELIVERY