Timken SL260135 Automatic Transmission Extension Housing Seal - Rear
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Timken

Timken SL260135 Automatic Transmission Extension Housing Seal - Rear

Brand Timken SL260135
Fits Ford · 4 vehicles

Precision sealing design. Helps prevent lubricant escape and keep contaminants out.

Reinforced outer case. Helps resist installation damage and adds durability.

Contamination exclusion system. Helps block debris that can lead to leakage.

Cross-references National 710948 and SKF 24230A for the same application. See all 2.

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Timken SL260135 Automatic Transmission Extension Housing Seal

Timken SL260135 is an automatic transmission extension housing seal built for slip yoke style applications. It helps retain transmission lubricant while keeping dirt and debris out of the extension housing area on select Ford Super Duty trucks and vans.

Key Features

  • Precision sealing design helps control lubricant escape and contamination entry
  • Reinforced outer case helps resist installation damage and improve durability
  • Ribbed rubber 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

Detailed Description

This Timken transmission extension housing seal is engineered for slip yoke style extension housings and is a direct-fit service part for 2011 Ford F-250 Super Duty, 2011 Ford F-350 Super Duty, and 2016-2017 Ford E-350 Super Duty applications. The SL260135 part number is also referenced by National 710948 and SKF 24230A for the same application. Timken SL260135 is built to support sealing performance where the transmission output area needs reliable lubricant retention and contamination control.

Compatible With 2011 Ford F-250 Super Duty, slip yoke style extension housing; 2011 Ford F-350 Super Duty, slip yoke style extension housing; 2016-2017 Ford E-350 Super Duty, for slip yoke style.

What It Helps Address

  • Transmission fluid seepage at the extension housing
  • Contamination entering the seal area
  • Seal wear from heat build-up around the lip
  • Leakage caused by minor surface imperfections at the spindle
  • Damage during seal installation

Installation Notes and Tips

Verify slip yoke style extension housing fitment before installation. Inspect the sealing surface for wear, scoring, or debris, and clean the housing area thoroughly before pressing the seal into place. Proper alignment during installation helps prevent lip damage and supports a secure seal on Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford E-350 Super Duty applications.

Quality Assurance

Timken oil and grease seals use precision sealing designs, reinforced construction, and contamination-exclusion features to support dependable service in transmission sealing applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
National — 710948SKF — 24230A