Timken SL260091 Engine Crankshaft Seal - Rear

Rear Crankshaft Seal for Mazda Applications

Timken SL260091 is a rear engine crankshaft seal built for Mazda vehicles that need reliable oil control at the crankshaft. It is a direct-fit sealing component for the rear position on select Mazda 3, CX-3, CX-5, and MX-5 Miata applications.

Compatible With 2012-2017 Mazda 3, rear; 2016-2017 Mazda CX-3, rear; 2016-2017 Mazda MX-5 Miata, rear; and 2013-2016 Mazda CX-5, rear. The Timken SL260091 part number is used for rear crankshaft seal replacement where lubricant retention and contamination control are critical.

Key Features

• Precision sealing design helps retain engine oil and block outside contaminants.
• Reinforced outer case resists installation damage and adds durability.
• Ribbed rubber inner diameter helps seal minor spindle imperfections and supports positive seating.
• Internal contamination exclusion system helps keep debris away from the seal lip.
• Vent holes promote lubricant flow around the lip to reduce heat buildup.

Detailed Description

Timken SL260091 is engineered as a rear crankshaft seal for Mazda engines that require dependable sealing at the rear main area. Its construction focuses on maintaining a stable seal surface, reducing leakage risk, and limiting contaminant entry that can shorten seal life. For shoppers searching for a rear crankshaft seal for 2012-2017 Mazda 3, 2013-2016 Mazda CX-5, 2016-2017 Mazda CX-3, or 2016-2017 Mazda MX-5 Miata, this part number provides a focused OE-style replacement option.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Addresses

• Rear engine oil seepage at the crankshaft seal area.
• Contamination entering the seal lip and accelerating wear.
• Heat-related seal deterioration from poor lubricant circulation.
• Leakage caused by minor spindle surface imperfections.
• Damage during installation from a weak outer case.

Installation Notes and Tips

Inspect the crankshaft sealing surface before installation and clean the housing thoroughly. Confirm rear-position fitment for your Mazda 3, CX-3, CX-5, or MX-5 Miata before replacing the old seal. Proper alignment during installation helps the seal seat evenly and maintain consistent contact at the lip.

Quality Assurance

Timken oil and grease seals are built with precision sealing features, reinforced construction, and contamination control details intended to support long-term sealing performance in engine applications.