Timken 223400 Steering Gear Sector Shaft Seal - Rear Outer

Timken 223400 Steering Gear Sector Shaft Seal

Timken 223400 is a steering gear sector shaft seal built for controlled lubricant retention and contamination exclusion in steering systems. It uses a reinforced outer case, a ribbed rubber inner diameter, and vent holes to support stable sealing performance in demanding service.

Key Features

• N-Polyacrylate seal material for durable sealing performance
• Reinforced outer case helps resist installation damage
• Ribbed inner diameter seals minor spindle imperfections and supports positive seating
• Internal contamination exclusion system helps block debris that can lead to leakage
• Vent holes promote lubricant flow around the seal lip to reduce heat build-up
• Dimensions: 1.741 in. outside diameter, 1.339 in. shaft diameter, 1.732 in. housing bore, 0.315 in. width

Detailed Description

This Timken steering gear sector shaft seal is engineered for vehicles that need dependable sealing at the steering gear. The precision sealing design helps keep lubricant in place while limiting the entry of dirt and other contaminants. Timken 223400 measures 1.741 inches outside diameter, 1.339 inches shaft diameter, 1.732 inches housing bore, and 0.315 inches wide, making it a direct-fit service part for the listed applications. This part cross-references BBB Industries 13423 for the same application. It fits 1983-1991 Toyota Pickup, 1985-1987 Toyota 4Runner, 1989 Toyota 4Runner, 1986-1994 Nissan D21, and 1995 Nissan Pickup, rear outer on dual rear wheel vehicles.

Common Problems It Can Address

• Steering gear lubricant seepage at the sector shaft
• Contamination entering the steering gear housing
• Seal wear caused by heat and debris exposure
• Poor sealing around minor shaft or spindle imperfections
• Leak-related steering gear maintenance on Toyota Pickup, Toyota 4Runner, and Nissan D21 applications

Installation Notes and Tips

• Verify shaft diameter, housing bore, and seal width before installation.
• Inspect the sector shaft and housing for scoring, corrosion, or burrs that can affect sealing.
• Clean the sealing surface thoroughly so the ribbed inner diameter can seat correctly.
• Use care during installation to avoid damaging the reinforced outer case.
• Confirm the vehicle application and position: Fits 1983-1991 Toyota Pickup, N/A; Fits 1985-1987 Toyota 4Runner, N/A; Fits 1989 Toyota 4Runner, N/A; Fits 1986-1994 Nissan D21, Rear Outer; Fits 1995 Nissan Pickup, Rear Outer, dual rear wheel vehicles.

Quality Assurance

Timken steering seals are built with precision sealing features and contamination control details to support consistent service life in steering gear applications. The design focuses on lubricant retention, debris exclusion, and heat management at the seal lip.