SKF 18531 Transfer Case Input Shaft Seal
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SKF

SKF 18531 Transfer Case Input Shaft Seal

Brand SKF 18531
Width 0.433
Outside Diameter 2.840
Sealing Surface Type Nitrile
Shaft Diameter 1.890
Fits Cadillac, Chevrolet, and GMC · 89 vehicles

Nitrile sealing surface. Built for dependable fluid control in transfer case service.

Application-specific dimensions. Sized to match the listed shaft and housing measurements.

SKF seal engineering. Backed by a long history of drivetrain sealing development.

Cross-references 19133155 and CHR 18531 for the same application. See all 2.

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Transfer Case Input Shaft Seal

SKF 18531 is a transfer case input shaft seal built for applications that need reliable fluid retention and contamination control. It is specified for a range of Chevrolet, GMC, and Cadillac trucks and SUVs with listed transfer case configurations.

Key Features

  • Nitrile sealing surface for dependable sealing performance.
  • Engineered to the listed shaft diameter and outside diameter for application-specific fitment.
  • Made to keep lubricants in and contaminants out of the transfer case.
  • Designed and manufactured to SKF quality standards.
  • Fits Chevrolet Silverado 1500, GMC Sierra 1500, and related transfer case applications.

Detailed Description

SKF 18531 is a transfer case input shaft seal for service work on compatible Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, Suburban, and Cadillac Escalade applications. The seal uses a nitrile sealing surface and is built to the stated dimensions of 1.890 shaft diameter, 2.840 outside diameter, and 0.433 width for proper sealing at the transfer case input shaft. This part cross-references Monroe Shocks & Struts (e.g., 19133155, CHR 18531) for the same application.

SKF has a long history in seal engineering, and this part reflects that focus with materials selected for the operating environment of the transfer case. Use SKF 18531 when replacing a worn or leaking seal on listed Chevrolet Silverado 1500, GMC Sierra 2500 HD, or Cadillac Escalade transfer case applications.

What It Helps Fix

  • Transfer case fluid seepage at the input shaft.
  • Contamination entering the transfer case housing.
  • Leaks caused by a hardened or worn sealing lip.
  • Service issues related to damaged sealing surfaces.

Installation Notes and Tips

Confirm the transfer case model and notes in the fitment list before ordering. Match the seal dimensions and sealing surface type to the original part during service. Inspect the shaft and housing for wear, scoring, or contamination before installation to help the new seal seat correctly.

Quality Assurance

SKF manufactures seals to specific designs using premium materials and quality-controlled processes. The brand’s seal development history includes the first integrated shaft seal, and SKF products are built to support long service life in demanding driveline environments.

This part fits 89 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2015ChevroletSilverado 1500MP1222 Transfer Case:
2015ChevroletSuburbanMP1222 Transfer Case:
2015ChevroletTahoeMP1222 Transfer Case:
2015GMCSierra 1500MP1222 Transfer Case:
2015GMCYukonMP1222 Transfer Case:
2015GMCYukon XLMP1222 Transfer Case:
2014ChevroletSilverado 1500MP1222 Transfer Case:
2014ChevroletSuburban 1500MP1222 Transfer Case:
2014ChevroletTahoeMP1222 Transfer Case:
2014GMCSierra 1500MP1222 Transfer Case:
2014GMCYukonMP1222 Transfer Case:
2014GMCYukon XL 1500MP1222 Transfer Case:
2013CadillacEscaladeBorg Warner 3023 & 3024 Transfer Case:
2013ChevroletSilverado 1500MP1222 Transfer Case:
2013ChevroletSuburban 1500MP1222 Transfer Case:
2013ChevroletTahoeMP1222 Transfer Case:
2013GMCSierra 1500MP1222 Transfer Case:
2013GMCYukonMP1222 Transfer Case:
2013GMCYukon XL 1500MP1222 Transfer Case:
2012CadillacEscaladeBorg Warner 3023 & 3024 Transfer Case:
2012ChevroletSilverado 1500MP1222 Transfer Case:
2012ChevroletSuburban 1500MP1222 Transfer Case:
2012ChevroletTahoeMP1222 Transfer Case:
2012GMCSierra 1500MP1222 Transfer Case:
2012GMCYukonMP1222 Transfer Case:
2012GMCYukon XL 1500MP1222 Transfer Case:
2011CadillacEscaladeBorg Warner 3023 & 3024 Transfer Case:
2011ChevroletSilverado 1500MP1222 Transfer Case:
2011ChevroletSilverado 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2011ChevroletSilverado 3500 HDDouble Lip; MP1226 Transfer Case:
2011ChevroletSuburban 1500MP1222 Transfer Case:
2011ChevroletSuburban 2500Double Lip; MP1225 & MP1226 Transfer Cases:
2011ChevroletTahoeMP1222 Transfer Case:
2011GMCSierra 1500MP1222 Transfer Case:
2011GMCSierra 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2011GMCSierra 3500 HDDouble Lip; MP1226 Transfer Case:
2011GMCYukonMP1222 Transfer Case:
2011GMCYukon XL 1500MP1222 Transfer Case:
2011GMCYukon XL 2500Double Lip; MP1225 & MP1226 Transfer Cases:
2010CadillacEscaladeBorg Warner 3023 & 3024 Transfer Case:
2010ChevroletSilverado 1500MP1222 Transfer Case:
2010ChevroletSilverado 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2010ChevroletSilverado 3500 HDDouble Lip; MP1226 Transfer Case:
2010ChevroletSuburban 1500MP1222 Transfer Case:
2010ChevroletSuburban 2500Double Lip; MP1225 & MP1226 Transfer Cases:
2010ChevroletTahoeMP1222 Transfer Case:
2010GMCSierra 1500MP1222 Transfer Case:
2010GMCSierra 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2010GMCSierra 3500 HDDouble Lip; MP1226 Transfer Case:
2010GMCYukonMP1222 Transfer Case:
2010GMCYukon XL 1500MP1222 Transfer Case:
2010GMCYukon XL 2500Double Lip; MP1225 & MP1226 Transfer Cases:
2009CadillacEscaladeBorg Warner 3023 & 3024 Transfer Case:
2009ChevroletSilverado 1500MP1222 Transfer Case:
2009ChevroletSilverado 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2009ChevroletSilverado 3500 HDDouble Lip; MP1226 Transfer Case:
2009ChevroletSuburban 1500MP1222 Transfer Case:
2009ChevroletSuburban 2500Double Lip; MP1225 & MP1226 Transfer Cases:
2009ChevroletTahoeMP1222 Transfer Case:
2009GMCSierra 1500MP1222 Transfer Case:
2009GMCSierra 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2009GMCSierra 3500 HDDouble Lip; MP1226 Transfer Case:
2009GMCYukonMP1222 Transfer Case:
2009GMCYukon XL 1500MP1222 Transfer Case:
2009GMCYukon XL 2500Double Lip; MP1225 & MP1226 Transfer Cases:
2008ChevroletSilverado 1500MP1222 Transfer Case:
2008ChevroletSilverado 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2008ChevroletSilverado 3500 HDDouble Lip; MP1226 Transfer Case:
2008ChevroletSuburban 1500MP1222 Transfer Case:
2008ChevroletTahoeMP1222 Transfer Case:
2008GMCSierra 1500MP1222 Transfer Case:
2008GMCSierra 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2008GMCSierra 3500 HDDouble Lip; MP1226 Transfer Case:
2008GMCYukonMP1222 Transfer Case:
2008GMCYukon XL 1500MP1222 Transfer Case:
2007ChevroletSilverado 1500MP1222 Transfer Case:
2007ChevroletSilverado 1500 ClassicMP1222 Transfer Case:
2007ChevroletSilverado 1500 HD ClassicMP1222 Transfer Case:
2007ChevroletSilverado 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2007ChevroletSilverado 3500 HDDouble Lip; MP1226 Transfer Case:
2007ChevroletSuburban 1500MP1222 Transfer Case:
2007ChevroletTahoeMP1222 Transfer Case:
2007GMCSierra 1500MP1222 Transfer Case:
2007GMCSierra 1500 ClassicMP1222 Transfer Case:
2007GMCSierra 1500 HD ClassicMP1222 Transfer Case:
2007GMCSierra 2500 HDDouble Lip; MP1225 & MP1226 Transfer Cases:
2007GMCSierra 3500 HDDouble Lip; MP1226 Transfer Case:
2007GMCYukonMP1222 Transfer Case:
2007GMCYukon XL 1500MP1222 Transfer Case:
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
19133155CHR 18531