525 079 Needle and Seat Assembly for Onan Replaces 0142 0553 1420553

Product Overview

Key Features & Performance

• Precision-machined needle and seat for accurate fuel metering in Onan carburetors.
• Direct replacement for Onan 0142-0553 and Stens 525-079 part numbers.
• Helps resolve flooding, hard starting, and poor idle conditions.
• Manufactured to OEM specifications for reliable performance.
• Includes both needle and seat components for a complete repair.

Common Uses

• Rebuilding carburetors on Onan generators, engines, and industrial equipment.
• Replacing worn needle and seat assemblies in small engine fuel systems.
• Repairing fuel delivery issues in RV generators and standby power units.

Technical Specifications

• Part Number(s): 0142-0553, 525-079, 1420553
• Brand: Replaces Onan, Stens
• Component: Needle and Seat Assembly

Frequently Asked Questions

Q: Is this needle and seat assembly compatible with all Onan engines? A: It is compatible with Onan engines that use the part numbers 0142-0553 or 1420553. Check your engine's part number before purchasing.

Q: What symptoms indicate a faulty needle and seat? A: Common signs include fuel leaking from the carburetor, engine flooding, hard starting, or rough idle. Replacing the assembly often resolves these issues.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.