RUIJIE CV15S Carburetor for Kohler 13-16HP Engines | Replacement for 12-853-57-S to 12-853-139-S

Overview

Introducing the RUIJIE CV15S carburetor kit, a brand-new replacement designed to renew Kohler engines in the 13 to 16 horsepower range. Built to replace worn or defective components, this carburetor helps your mower regain steady idle and responsive throttle with a fresh fuel-air mix. While performance can vary by condition and maintenance, the kit is engineered to support smoother operation and dependable starting in typical mowing tasks.

Quality you can feel

Crafted from durable materials and finished with anodic oxidation, the CV15S unit is designed to resist heat and corrosion while maintaining a clean, professional appearance. The construction emphasizes tight tolerances and reliable fuel delivery, which can contribute to reduced oil leakage and more stable engine behavior during long mowing sessions.

Compatibility and replacement

This kit is formulated for Kohler engines that use CV12.5, CV13S, CV13T, CV14, and CV15S configurations. It replaces Kohler part numbers 12-853-57-S, 12-853-01-S, 12-853-82-S, and 12-853-139-S. In addition to the carburetor, the kit includes air, pre, and oil filters to support clean fuel flow and filtration during operation.

What’s included

• 1x Carburetor
• 1x Air Filter
• 1x Pre Filter
• 1x Oil Filter
• 1x Switch
• 2x Gaskets

Installation and care tips

Before installation, verify the part dimensions and compare them with your existing component to ensure a match. Clean the oil channels and air filters, and use clean fuel to help prevent blockages. The included filters work together to support clean air intake and stable fuel delivery for ongoing use.

Performance potential and use cases

With a new carburetor, users may notice crisper throttle response and a steadier idle, especially after irrigation or heavy cutting sessions. The anodized finish and quality materials are chosen for durability under typical outdoor conditions, while the integrated switch and gaskets provide a complete, ready-to-install package. It’s important to view these improvements as possibilities that depend on maintenance, fuel quality, and operating conditions.

Warranty and support

We back the CV15S kit with a 12-month warranty. If you encounter any issues, our team is ready to assist via email to help resolve questions or concerns and to ensure a satisfactory experience with your replacement carburetor kit.