SKP SK121408 Engine Coolant Bypass Pipe

Engine Coolant Bypass Pipe Overview

The SKP engine coolant bypass pipe is a direct-fit replacement for select Toyota cooling system applications. It is built for vehicles that use a plastic bypass pipe design and is identified by part number SK121408.

Compatible With Toyota Tacoma and Toyota 4Runner applications, this coolant pipe supports proper coolant routing through the engine cooling circuit. It is a practical replacement for a worn, cracked, or leaking bypass pipe on the listed fitments.

Key Features

• Engine coolant bypass pipe for cooling system service
• Plastic construction for the listed applications
• Direct replacement part number SK121408
• Cross-references Toyota 16268-75091 and 16268-75130 for the same application
• Compatible With Toyota Tacoma and Toyota 4Runner fitments

Detailed Description

SK121408 is an engine coolant bypass pipe made for select Toyota cooling system layouts. This part is listed for 2005-2017 Toyota Tacoma applications and 2010 Toyota 4Runner applications, with plastic construction noted in the fitment data. When the original bypass pipe becomes brittle, cracked, or begins to leak, replacing it helps restore the coolant path used by the engine cooling system. The SK121408 part number is useful when matching the correct replacement during cooling system repair.

Common Issues This Part May Solve

• Coolant leaks from a cracked bypass pipe
• Loss of coolant from aging plastic cooling components
• Cooling system service after pipe deterioration
• Incorrect replacement selection during Toyota cooling repairs

Installation Notes and Tips

Verify the vehicle year, model, and cooling system configuration before ordering. Confirm the original pipe shape and connection points against the removed part to ensure proper match. Because this is a cooling system component, inspect nearby hoses, seals, and clamps during service so related wear is addressed at the same time.

Quality Assurance

SKP replacement parts are cataloged for direct-fit application matching. Part number SK121408 is cross-referenced to Toyota 16268-75091 and 16268-75130 for the same application, helping confirm the correct coolant bypass pipe during parts lookup.