90301-29006 Coolant Pipe O-Ring for Toyota Land Cruiser 80 100 1FZ-FE

◆ This coolant pipe O-ring is a direct replacement for the original Toyota unit, designed to seal the water bypass pipe and water outlet connections in the engine cooling system.

◆ The OEM reference number is 90301-29006. Toyota‘s catalog designates this component as “RING, O (FOR WATER BY-PASS PIPE)” or simply “Ring O” .

◆ The O-ring is engineered to OEM standard dimensions for direct fitment into the coolant pipe groove without modification. It is a rubber sealing ring that prevents coolant leaks at the pipe connections.

◆ It is primarily designed for the Toyota Land Cruiser 80 Series (FZJ80) and 100 Series (FZJ100/FZJ105) equipped with the 1FZ-FE 4.5L inline-six engine, covering model years from approximately 1992 through 2007 .

◆ This product is a coolant pipe O-ring manufactured to meet original quality standards for sealing performance, fit, and durability.

◆ Part Number: 90301-29006 / 9030129006

◆ Component Type: Coolant Pipe O-Ring / Water Bypass Pipe Seal

◆ Vehicle Make: Toyota / Lexus

◆ Engine Compatibility: 1FZ-FE (4.5L L6)

◆ Primary Models: Land Cruiser 80 (FZJ80), Land Cruiser 100 (FZJ100/FZJ105)

◆ Placement: Water bypass pipe / water outlet connections

◆ Material: Rubber O-ring

◆ Catalog Designation: RING, O (FOR WATER BY-PASS PIPE)

◆ Note: Some cooling system overhauls require multiple O-rings (up to 3 per vehicle)

◆ OEM Standard Fit: Manufactured to match the original specifications for a direct, hassle-free replacement.

◆ Reliable Coolant Sealing: Prevents coolant leaks at the water bypass pipe and outlet connections, maintaining proper system pressure.

◆ Durable Construction: Built with rubber materials resistant to coolant exposure, heat, and pressure.

◆ Cost-Effective Maintenance: An inexpensive solution for cooling system overhaul or leak repair.

◆ Toyota Land Cruiser 80 (FZJ80, 1FZ-FE): 1992–1997

◆ Toyota Land Cruiser 100 (FZJ100/FZJ105, 1FZ-FE): 1998–2007

◆ Lexus LX450 (1FZ-FE): 1996–1997 (related application)

◆ Note: Verify against your vehicle’s original part number and engine configuration before ordering. Some cooling system jobs require multiple O-rings .

Q1: Is this a genuine Toyota part?

A: The 90301-29006 reference is the original equipment part number. Both genuine Toyota and aftermarket equivalents are available that match the original fit and function .

Q2: How do I confirm if it fits my vehicle?

A: Check your vehicle’s existing O-ring or reference the OEM number 90301-29006. Confirm your vehicle is a Land Cruiser 80 or 100 series with the 1FZ-FE 4.5L engine. This O-ring is used at the water bypass pipe connections .

Q3: How many O-rings do I need?

A: Depending on the specific cooling system configuration and what is being serviced, up to 3 O-rings may be required for a complete overhaul of the water outlet and bypass pipe connections . Inspect all connection points before ordering.