Kohler 12 153 01-S Lower Oil Fill Tube O-Ring – Replacement Lawn & Garden Equipment Engine Oil Fill Tube Sealing Component

Part Number: 12 153 01-S
Category: Kohler Lawn & Garden Equipment Engine Replacement Parts
Type: Replacement Engine Lower Oil Fill Tube O-Ring

The Kohler 12 153 01-S Lower Oil Fill Tube O-Ring is a genuine OEM replacement sealing component designed for compatible Kohler gasoline-powered engines. This O-ring installs at the lower connection of the engine oil fill tube, helping create a secure seal between the tube and engine assembly to prevent oil leakage. Designed for select Kohler Command and Courage Series engines, including CV and SV engine configurations, the Kohler 12 153 01-S provides a replacement for worn, cracked, flattened, or damaged oil fill tube seals. It helps maintain proper engine oil containment and supports dependable operation during routine lawn mower, lawn tractor, and outdoor power equipment maintenance.

Product Specifications

• Part Number: 12 153 01-S

• Brand: Kohler

• Product Type: Engine Oil Fill Tube O-Ring

• Component Type: Engine Oil Fill Tube Sealing Component

• Part Classification: Genuine OEM Replacement Part

• Seal Design: O-Ring

• Mounting Location: Lower Oil Fill Tube Connection

• Function: Seals the Lower Oil Fill Tube Connection to Help Prevent Oil Leakage

• Compatible Engine Series: Select Kohler Command & Courage Series

• Selected Engine Models: CV14, CV15, CV16, CV18, CV20, SV715 & SV830

• Previous Part Number: 12 153 01

• Additional Replacement References: KH-12-153-01-S, KH-12-153-01 & 1215301

• Related Upper Oil Fill Tube O-Ring: Kohler 12 153 02-S

• Application: Engine Oil Fill Tube Sealing & Maintenance

• Quantity: 1 O-Ring

• Condition: New

Features & Benefits

• Genuine Kohler 12 153 01-S replacement lower oil fill tube O-ring

• Designed for compatible Kohler Command and Courage engines

• Helps seal the connection between the oil fill tube and engine

• Reduces the risk of oil leakage around the lower oil fill tube

• Provides a replacement for worn, cracked, or deteriorated seals

• OEM design supports proper fit in compatible engine assemblies

• Suitable for routine oil fill tube maintenance and engine repairs

• Replaces earlier Kohler part number 12 153 01

Applications

• Select Kohler Command CV14 and CV15 engines

• Compatible Kohler Command CV16 engines

• Select Kohler CV18 and CV20 engines

• Compatible Kohler Courage SV715 engines

• Select Kohler Courage SV830 engines

• Riding lawn mower engine maintenance

• Lawn tractor oil fill tube repairs

• Engine oil leakage repairs and sealing maintenance

• Equipment specifying Kohler 12 153 01-S O-rings

Important Information

• Verify Kohler part number 12 153 01-S before ordering.

• This listing includes one replacement lower oil fill tube O-ring, not a complete oil fill tube or dipstick assembly.

• Replaces earlier Kohler part number 12 153 01.

• Do not confuse this component with Kohler 12 153 02-S, which is the upper oil fill tube O-ring.

• Confirm compatibility using your engine model, specification number, and illustrated parts diagram.

• Not every Kohler Command or Courage engine uses the same oil fill tube seal.

• Inspect the oil fill tube and mounting surfaces for damage before installation.

• Clean the sealing surfaces and ensure the replacement O-ring is correctly seated.

• Check for oil leaks and verify the engine oil level after installation.

• Follow the engine manufacturer's maintenance and installation instructions.