HomeTransmission > Gaskets and Sealing SystemsTimken SL260135 Automatic Transmission Extension Housing Seal - Rear
Part #: SL260135

Timken SL260135 Automatic Transmission Extension Housing Seal - Rear

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⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, E-350 Super Duty and F-250 Super Duty
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Reliable Automatic Transmission Extension Housing Seal for Ford Super Duty

The Timken SL260135 automatic transmission extension housing seal is designed specifically for Ford Super Duty trucks, including the E-350, F-250, and F-350 models. This seal ensures a secure fit and helps maintain transmission integrity by preventing fluid leaks in demanding driving conditions.

Key Features of Timken SL260135 Transmission Seal

  • Compatible with Ford E-350 Super Duty, F-250 Super Duty, and F-350 Super Duty models
  • Precision-engineered to fit automatic transmission extension housings
  • Durable construction to resist wear and fluid leakage
  • OEM-quality replacement part number SL260135
  • Designed to maintain proper sealing under high temperature and pressure

Detailed Description of the Timken SL260135 Seal

This automatic transmission extension housing seal from Timken is manufactured to meet the exact specifications required for Ford Super Duty trucks. The SL260135 part number corresponds to a seal that fits the transmission extension housing, a critical component that prevents transmission fluid from leaking out where the housing connects to the transmission case. Proper sealing is essential to maintain transmission performance and prevent contamination. Timken’s engineering ensures the seal withstands the rigors of heavy-duty use, including exposure to heat, pressure, and transmission fluid chemicals.

Common Applications and Issues Addressed

  • Prevents transmission fluid leaks at the extension housing
  • Eliminates slipping or shifting issues caused by low fluid levels
  • Protects transmission components from dirt and debris ingress
  • Helps maintain proper hydraulic pressure within the transmission
  • Reduces risk of premature transmission wear due to fluid loss

Installation Notes and Tips

  • Ensure the transmission extension housing surface is clean and free of debris before installation
  • Use appropriate tools to avoid damaging the seal during installation
  • Verify the seal orientation matches OEM specifications for proper fit
  • Inspect the transmission housing for wear or damage prior to installing the new seal
  • Consult the vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty Information

Timken manufactures the SL260135 transmission extension housing seal to meet stringent quality standards. Each seal undergoes rigorous testing to ensure durability and performance under typical operating conditions for Ford Super Duty trucks. While specific warranty details may vary, Timken products generally come with a limited warranty against manufacturing defects, providing confidence in the reliability of this replacement part.

This part fits 4 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2017FordE-350 Super DutyAutomaticN/AFor Slip Yoke Style
2016FordE-350 Super DutyAutomaticN/AFor Slip Yoke Style
2011FordF-250 Super DutyAutomaticN/ASlip Yoke Style Extension Housing
2011FordF-350 Super DutyAutomaticN/ASlip Yoke Style Extension Housing

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.