JDLLONG Gasket Set for Kohler CH18 CH20 CH620 CV18 CV20 – 24 755 107-S Replacement Kit, Complete Engine Seal Set

JDLLONG Gaskets Set 24 755 107-S is a replacement gasket kit made to fit Kohler small engine models CH18, CH20, CH620, CV18, CV20 and related engines for reliable sealing and parts compatibility.

This gasket kit is sold new by JDLLONG and lists interchange numbers 24 755 107-S and 24 755 03-S, indicating compatibility with a range of Kohler overhead valve engines. The set is intended as a direct replacement for worn or damaged gaskets in compact engines used on mowers, pressure washers, and other outdoor power equipment. It’s supplied without installation instructions, so a mechanic or experienced DIYer is recommended for fitting.

Which Kohler engines will this gasket set replace?

This kit is compatible with common small Kohler overhead valve engines. It covers several related families and is intended to match the original part fit and function for those models.

• Fits Kohler CH18 and CH20 models used on residential equipment.
• Compatible with CH620 series and CV18, CV20 overhead valve engines.
• Also matches CV620 and CV640 where the interchange numbers apply.
• Interchange numbers: 24 755 107-S and 24 755 03-S to confirm compatibility.

What parts are included and what do they do?

The set contains multiple gaskets sized to seal the engine’s common mating surfaces—preventing leaks and ensuring correct compression and oil paths. Exact pieces vary by kit but focus on head, base, and smaller sealing components.

• Head gasket(s) for combustion chamber sealing and compression integrity.
• Base and crankcase gaskets to prevent oil and air leaks.
• Smaller O-rings or seals for covers and accessory ports.
• Each piece is shaped to match OEM mating surfaces for straightforward replacement.

How should I prepare and install this gasket set?

The product is supplied without step-by-step instructions, so plan to have the service manual or professional help available. Proper surface cleaning and correct torque sequences are essential to achieve a leak-free installation.

• Inspect mating surfaces and remove all old gasket residue before fitting new parts.
• Use factory torque specifications and tightening patterns for cylinder head and covers.
• Replace damaged fasteners or studs and inspect seals during reassembly.
• If unsure, hire a qualified small-engine technician to avoid damage or leaks.

Why choose a JDLLONG replacement gasket over a single-part fix?

Buying a full gasket set ensures all related seals are renewed at once, reducing the chance of subsequent leaks and repeat disassembly. JDLLONG supplies the kit as a quality aftermarket option matched to the OEM interchange numbers.

• Complete sealing solution prevents mixing-old-and-new gasket issues.
• Meets professional specification for durable performance under typical loads.
• Sold new — ideal for rebuilds or maintenance intervals.
• Check part photos and numbers to confirm fit before purchase.

Who is this for: This JDLLONG gasket set is aimed at owners and technicians servicing Kohler CH and CV series small engines used in lawn and garden equipment, generators, and other compact machines. It’s appropriate for anyone rebuilding an engine or replacing failing gaskets who needs a full kit that corresponds to the OEM interchange numbers; however, because no installation instructions are included, buyers should be comfortable with mechanical work or plan to use a professional installer.