FAG SR4136 Engine Crankshaft Repair Sleeve - Rear

Engine Crankshaft Repair Sleeve for Toyota Rear Applications

The FAG SR4136 repair sleeve is a precision crankshaft sealing surface solution for damaged rear shaft areas. It is made from heat-treated stainless steel and helps restore sealing performance without removing the shaft or machining the surface.

For Toyota Tacoma, Toyota Hilux, Toyota 4Runner, and Toyota T100 rear applications, this repair sleeve offers a practical way to address wear at the crankshaft seal contact area. The FAG SR4136 is built for accurate fitment and long-term surface protection.

Key Features

• Precision repair sleeve for crankshaft sealing surfaces
• Heat-treated stainless steel construction
• Helps extend shaft service life by protecting worn areas
• No shaft removal or machining required for installation
• Designed for rear crankshaft repair applications
• Part number: SR4136

Detailed Product Overview

The FAG SR4136 crankshaft repair sleeve is used to restore a damaged sealing surface where the rear crankshaft seal rides. Its stainless steel construction and controlled dimensions support a secure repair on shafts measuring 3.5 in. (88.9 mm) diameter, with a flange diameter of 3.844 in. (97.638 mm), an installation depth of 1.347 in. (34.214 mm), and a width on shaft of 0.625 in. (15.875 mm). Overall width is 0.813 in. (20.65 mm). This makes the SR4136 a direct-fit repair option for rear seal wear on Toyota Tacoma, Toyota Hilux, Toyota 4Runner, and Toyota T100 applications listed below.

This part cross-references OSC 99346 for the same application.

What It Helps Fix

• Rear crankshaft seal leakage caused by a worn shaft surface
• Grooves or scoring at the seal contact area
• Premature seal wear from shaft damage
• Need for a repair without shaft removal
• Need for a repair without machining the crankshaft

Installation Notes and Tips

Install the sleeve on the damaged sealing surface at the rear crankshaft area and verify the shaft diameter before installation. The sleeve is sized for a 3.5 in. shaft diameter and a controlled installation depth, so accurate alignment is important for proper seal contact. Confirm vehicle application by year, make, model, and rear position before service. Part number SR4136 is listed for the following applications:

• Fits 1995-2015 Toyota Tacoma, Rear
• Fits 2004-2013 Toyota Hilux, Rear
• Fits 2010 Toyota 4Runner, Rear
• Fits 1996-2000 Toyota 4Runner, Rear
• Fits 1994-1998 Toyota T100, Rear

Quality Assurance

FAG is known for precision-engineered drivetrain and sealing components, and this repair sleeve is manufactured as a heat-treated stainless steel service part for consistent repair performance. The SR4136 is built to restore the sealing surface rather than replace the crankshaft, making it a practical service solution for rear seal repair on Toyota applications.