SAP100494 DIFFERENTIAL OIL SEAL (FRONT)

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Technical Specifications

Part Type Differential Oil Seal (Tandem Input / Rear Input)
Part Number SAP100494
Brand / Line SAP
Description Heavy-duty multi-lip Viton differential input oil seal for Rockwell / Meritor RD / RP tandem axles
Shaft Diameter 3.253 inch
Bore Diameter 4.249 – 4.260 inch
Width 0.570 – 0.635 inch
Material Viton (multi-lip design)
Application Front / rear input on Rockwell / Meritor RD / RP tandem drive axles

Cross References

Brand Part Number
SAP SAP100494
National / Timken / Federal-Mogul 100494
Automann 181.100494
Haldex / Midland RC2540K (related spacer reference)
Application Differential Input Oil Seal – Rockwell / Meritor RD / RP Tandem Axles

Vehicle Fitment

Make Model Model Years Notes
UNIVERSAL All Heavy-Duty Trucks (Freightliner, Kenworth, Peterbilt, International, Western Star, Mack, Volvo, Sterling) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Rockwell / Meritor RD / RP tandem drive axles – front / rear input seal
Trailers & Vocational Equipment 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Tandem axle differentials
Universal wheel-end / differential component used across all major heavy-duty truck and vocational equipment manufacturers equipped with Rockwell / Meritor RD / RP tandem axles. Direct replacement for National / Timken 100494
Notes Heavy-duty multi-lip Viton differential input oil seal (SAP100494 / National 100494). Prevents oil leakage at the tandem axle input yoke. Common on Rockwell / Meritor RD / RP series differentials in heavy-duty trucks and vocational vehicles.
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SAP100494 DIFFERENTIAL OIL SEAL (FRONT)

$24.77